Carrier Weathermaster 48P030-100 Controls, Start-Up, Operation, Service, And Troubleshooting

Single package large rooftop units with comfortlink version 9.x controls

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Controls, Start-Up, Operation,

Service and Troubleshooting

CONTENTS

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Conventions Used in This Manual . . . . . . . . . . . . . . . 4

BASIC CONTROL USAGE . . . . . . . . . . . . . . . . . . . . . . 5

ComfortLink Controls . . . . . . . . . . . . . . . . . . . . . . . . . 5

Scrolling Marquee . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Accessory Navigator™ Display . . . . . . . . . . . . . . . . . 5

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

CCN Tables and Display . . . . . . . . . . . . . . . . . . . . . . . 7

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Accessory Installation . . . . . . . . . . . . . . . . . . . . . . . . 7

Crankcase Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Evaporator Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Gas Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

CONTROLS QUICK START . . . . . . . . . . . . . . . . . . . . 35

VAV Units Using RAT or SPT . . . . . . . . . . . . . . . . . . 35

Multi-Stage CV Units with Mechanical Thermostat . . 35

Multi-Stage CV Units with Space Sensor . . . . . . . . 35

Economizer Options . . . . . . . . . . . . . . . . . . . . . . . . . 36

Indoor Air Quality Options . . . . . . . . . . . . . . . . . . . . 36

Exhaust Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Set Clock on VFD (If Installed) . . . . . . . . . . . . . . . . . 37

Programming Operating Schedules . . . . . . . . . . . . 37

SERVICE TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Service Test Mode Logic . . . . . . . . . . . . . . . . . . . . . 38

Independent Outputs . . . . . . . . . . . . . . . . . . . . . . . . 38

Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Actuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Humidi-MiZer System . . . . . . . . . . . . . . . . . . . . . . . . 40

Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

THIRD-PARTY CONTROL . . . . . . . . . . . . . . . . . . . . . 42

Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Alarm Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Remote Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

VFD Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Supply Air Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Demand Limit Control . . . . . . . . . . . . . . . . . . . . . . . . 42

Economizer/Outdoor Air Damper Control . . . . . . . 42

CONTROLS OPERATION . . . . . . . . . . . . . . . . . . . . . 44

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53480461-01

Page

Printed in U.S.A.

Form No. 48-50P-13T Rev.A

Single Package Large Rooftop Units with

ComfortLink Version 9.X Controls

Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Unit Configuration Submenu . . . . . . . . . . . . . . . . . .46

Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Heating Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Static Pressure Control . . . . . . . . . . . . . . . . . . . . . . .72

Fan Status Monitoring . . . . . . . . . . . . . . . . . . . . . . . .74

Dirty Filter Switch . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Economizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Building Pressure Control . . . . . . . . . . . . . . . . . . . .83

Smoke Control Modes . . . . . . . . . . . . . . . . . . . . . . . .87

Indoor Air Quality Control . . . . . . . . . . . . . . . . . . . . .87

Humidification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

Dehumidification and Reheat . . . . . . . . . . . . . . . . . .92

Humidi-MiZer Option . . . . . . . . . . . . . . . . . . . . . . . . .94

Temperature Compensated Start . . . . . . . . . . . . . . .96

Carrier Comfort Network

Alert Limit Configuration . . . . . . . . . . . . . . . . . . . . . .98

Sensor Trim Configuration . . . . . . . . . . . . . . . . . . . .99

Discrete Switch Logic Configuration . . . . . . . . . . .100

Display Configuration . . . . . . . . . . . . . . . . . . . . . . .101

VFD Configurations . . . . . . . . . . . . . . . . . . . . . . . . .101

Remote Control Switch Input . . . . . . . . . . . . . . . . .103

Hot Gas Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . .104

Space Temperature Offset . . . . . . . . . . . . . . . . . . .104

TIME CLOCK CONFIGURATION . . . . . . . . . . . . . . .104

Hour and Minute (HH.MM) . . . . . . . . . . . . . . . . . . . .105

Month of Year (MNTH) . . . . . . . . . . . . . . . . . . . . . . .105

Day of Month (DOM) . . . . . . . . . . . . . . . . . . . . . . . .105

Day of Week (DAY) . . . . . . . . . . . . . . . . . . . . . . . . .105

Year (YEAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105

Local Time Schedule (SCH.L) . . . . . . . . . . . . . . . . .105

Local Holiday Schedules (HOL.L) . . . . . . . . . . . . .105

Daylight Savings Time (DAY.S) . . . . . . . . . . . . . . .105

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . .106

Complete Unit Stoppage . . . . . . . . . . . . . . . . . . . . .106

Single Circuit Stoppage . . . . . . . . . . . . . . . . . . . . .106

Service Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . .106

Restart Procedure . . . . . . . . . . . . . . . . . . . . . . . . . .106

Humidi-MiZer Troubleshooting . . . . . . . . . . . . . . .106

Thermistor Troubleshooting . . . . . . . . . . . . . . . . . .106

Transducer Troubleshooting . . . . . . . . . . . . . . . . .115

Forcing Inputs and Outputs . . . . . . . . . . . . . . . . . .115

Run Status Menu . . . . . . . . . . . . . . . . . . . . . . . . . . .115

Alarms and Alerts . . . . . . . . . . . . . . . . . . . . . . . . . .122

MAJOR SYSTEM COMPONENTS . . . . . . . . . . . . . .133

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133

Pg 1

Weathermaster

48/50P030-100

(CCN) . . . . . . . . . . . . . . .97

10-23

Replaces: 48-50P-12T

Table of Contents

Troubleshooting

Summary of Contents for Carrier Weathermaster 48P030-100

Page 1: Table Of Contents
Accessory Installation ......7 ® Carrier Comfort Network (CCN) ....97 Crankcase Heaters .
Page 2: Safety Considerations
Factory-Installed Components ....133 Accessory Control Components ....155 WARNING SERVICE ........157 ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD Service Access .
Page 3 WARNING WARNING ELECTRICAL SHOCK HAZARD DO NOT USE TORCH to remove any component. System contains oil and refrigerant under pressure. Before performing service or maintenance operation on unit, turn off and lock off main power switch to unit. Electrical To remove a component, wear protective gloves and goggles shock can cause personal injury and death.
Page 4: General
Access to the unit controls for configuration, set point se- lection, schedule creation, and service can be done through a unit- mounted scrolling marquee. Access can also be done through the Table 1 — P Series Product Line Carrier Comfort Network ® (CCN) using ComfortVIEW™ soft- UNIT...
Page 5: Basic Control Usage
Pressures, Set points, Inputs, Outputs, Configuration, Timeclock, BASIC CONTROL USAGE Operating Modes, and Alarms. ComfortLink Controls The ComfortLink controls are a comprehensive unit-management system. The control system is easy to access, configure, diagnose, MODE and troubleshoot. Run Status Service Test The controls are flexible, providing constant volume and variable Temperature air volume cooling control sequences, and heating control se-...
Page 6 Table 2 — Scrolling Marquee Menu Display Structure SERVICE TIME OPERATING TEMPERATURES PRESSURES SETPOINTS INPUTS OUTPUTS CONFIGURATION ALARMS STATUS TEST CLOCK MODES Auto View of Service Test Mode Air Pressures Occupied Heat General Inputs Fans Unit Configuration Time of Day System Currently Run Status...
Page 7: Ccn Tables And Display
The four keys are used to navigate through the display structure, GENERIC STATUS DISPLAY TABLE which is organized in a tiered mode structure. See Table 2 for the The GENERICS points table allows the servicer/installer the first two levels of the mode structure. If the buttons have not been ability to create a custom table in which up to 20 points from the used for a period, the display will default to the AUTO VIEW dis- 5 CCN categories (Status, Config/Service-Config, Set Point,...
Page 8: Crankcase Heaters
Use the following steps for the controls: Crankcase Heaters Set any control configurations that are required (field- Crankcase heaters are energized as long as there is power to the installed accessories, etc.). The unit is factory configured unit, except when the compressors are running. for all appropriate factory-installed options.
Page 9 Table 3 — Fan Performance — 48P030 and 50P2,P3,P6,P7030 Units without Discharge Plenum a,b,c,d AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 6,000 0.59 0.91 1.27 1.66 2.07 2.50 2.93 3.38 7,500 0.94 1.28 1.68 2.11 2.57 3.05 3.54 4.05 9,000 1.46 1.80...
Page 10 Table 4 — Fan Performance — 48P035 and 50P2,P3,P6,P7035 Units without Discharge Plenum a,b,c,d AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 7,000 0.84 1.19 1.58 2.01 2.46 2.93 3.40 3.90 8,000 1.14 1.50 1.92 2.37 2.85 3.35 3.87 4.39 10,000 1.98 2.36...
Page 11 Table 5 — Fan Performance — 48P040 and 50P2,P3,P6,P7040 Units without Discharge Plenum a,b,c,d AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 8,000 0.98 1.33 1.72 2.14 2.58 3.06 3.55 4.07 10,000 1.67 2.11 2.55 3.01 3.51 4.03 4.58 5.16 12,000 2.65 3.18...
Page 12 Table 6 — Fan Performance — 48P050 and 50P2,P3,P6,P7050 Units without Discharge Plenum a,b,c,d AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 9,000 1.34 1.73 2.15 2.60 3.08 3.58 4.11 4.66 10,000 1.74 2.17 2.62 3.09 3.59 4.12 4.68 5.26 12,000 2.76 3.29...
Page 13 Table 7 — Fan Performance — 48P055 and 50P2,P3055 Units without Discharge Plenum a,b,c,d AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 10,000 1.04 1.50 2.03 2.66 3.41 4.26 5.20 6.20 12,500 1.69 2.23 2.78 3.40 4.10 4.88 5.75 6.70 15,000 2.59 3.23...
Page 14 Table 8 — Fan Performance — 48P060 and 50P2,P3,P6,P7060 Units without Discharge Plenum a,b,c,d AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 12,000 1.54 2.03 2.57 3.20 3.93 4.74 5.63 6.58 15,000 2.65 3.27 3.88 4.53 5.24 6.04 6.91 7.85 18,000 4.22 5.00...
Page 15 Table 9 — Fan Performance — 48P070 and 50P2,P3,P6,P7070 Units without Discharge Plenum a,b,c,d AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 14,000 2.23 2.80 3.38 4.02 4.73 5.53 6.42 7.37 17,500 3.92 4.67 5.39 6.10 6.84 7.64 8.50 9.42 21,000 6.36 7.29...
Page 16 Table 10 — Fan Performance — 50P2,P3,P6,P7030 Units with Discharge Plenum and 50P4,P5,P8,P9030 Units a,b,c AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 6,000 0.95 1.35 1.82 2.35 2.92 3.52 4.14 4.78 7,500 1.51 1.93 2.41 2.94 3.51 4.13 4.78 5.46 9,000 2.28...
Page 17 Table 11 — Fan Performance — 50P2,P3,P6,P7035 Units with Discharge Plenum and 50P4,P5,P8,P9035 Units a,b,c AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 7,000 1.35 1.78 2.26 2.80 3.38 4.00 4.66 5.34 8,000 1.81 2.25 2.75 3.29 3.87 4.50 5.16 5.86 10,000 3.04...
Page 18 Table 12 — Fan Performance — 50P2,P3,P6,P7040 Units with Discharge Plenum and 50P4,P5,P8,P9040 Units a,b,c AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 8,000 1.62 2.10 2.62 3.18 3.76 4.36 4.97 5.60 10,000 2.66 3.19 3.76 4.36 4.99 5.64 6.31 7.00 12,000 4.09...
Page 19 Table 13 — Fan Performance — 50P2,P3,P6,P7050 Units with Discharge Plenum and 50P4,P5,P8,P9050 Units a,b,c AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 9,000 2.15 2.67 3.23 3.83 4.44 5.08 5.73 6.40 10,000 2.74 3.28 3.87 4.48 5.12 5.78 6.46 7.16 12,000 4.23...
Page 20 Table 14 — Fan Performance — 50P2,P3,P6,P7055 Units with Discharge Plenum and 50P4,P5,P8,P9055 Units a,b,c AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 10,000 1.21 1.71 2.29 2.97 3.76 4.63 5.56 6.51 12,500 2.01 2.63 3.26 3.95 4.71 5.58 6.52 7.54 15,000 3.13...
Page 21 Table 15 — Fan Performance — 50P2,P3,P6,P7060 Units with Discharge Plenum and 50P4,P5,P8,P9060 Units a,b,c AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 12,000 1.82 2.41 3.04 3.72 4.47 5.26 6.11 7.01 15,000 3.14 3.87 4.61 5.38 6.19 7.05 7.95 8.90 18,000 5.03...
Page 22 Table 16 — Fan Performance — 50P2,P3,P6,P7070 Units with Discharge Plenum and 50P4,P5,P8,P9070 Units a,b,c AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 14,000 2.64 3.32 4.02 4.76 5.55 6.39 7.27 8.20 17,500 4.67 5.54 6.39 7.25 8.14 9.06 10.03 11.03 21,000 7.61...
Page 23 Table 17 — Fan Performance — 48/50P075 Units with Forward-Curved Fan a,b,c,d,e AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 14,000 2.35 3.06 3.80 4.59 5.43 6.30 7.21 8.15 16,000 3.27 4.06 4.88 5.74 6.65 7.59 8.57 9.58 18,000 4.42 5.31 6.21 7.14...
Page 24 Table 18 — Fan Performance — 48/50P075 Units with Airfoil Fan a,b,c,d,e AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 (cfm) 15,000 3.02 3.91 4.83 5.80 6.81 7.87 8.97 10.10 16,000 3.52 4.45 5.41 6.42 7.47...
Page 25 Table 19 — Fan Performance — 48/50P090 Units with Forward-Curved Fan a,b,c,d,e AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 16,000 3.27 4.06 4.88 5.74 6.65 7.59 8.57 9.58 18,000 4.42 5.31 6.21 7.14 8.11 9.12 10.17 11.25 20,000 5.83 6.82 7.81 8.82...
Page 26 Table 20 — Fan Performance — 48/50P090 Units with Airfoil Fan a,b,c,d,e AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 (cfm) 17,000 4.07 5.05 6.06 7.10 8.18 9.31 10.47 11.68 18,000 4.68 5.71 6.76 7.84 8.96...
Page 27 Table 21 — Fan Performance — 48/50P100 Units with Forward-Curved Fan a,b,c,d,e AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 20,000 5.83 6.82 7.81 8.82 9.86 10.94 12.05 13.20 22,000 7.53 8.62 9.70 10.80 11.92 13.07 14.25 15.46 24,000 9.55 10.75 11.93 13.11...
Page 28 Table 22 — Fan Performance — 48/50P100 Units with Airfoil Fan a,b,c,d,e AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.30 0.60 0.90 1.20 1.50 1.80 2.10 2.40 (cfm) 20,000 6.08 7.22 8.36 9.52 10.71 11.94 1019 13.20 1054 14.51 22,000 7.75 9.00 10.24...
Page 29 Table 23 — Fan Performance — Standard Capacity Power Exhaust 48/50P030-050 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 (cfm) 6,000 0.95 1.47 2.01 2.60 3.24 3.92 4.64 5.39 6.17 6.98 8,000 1.69...
Page 30 Table 24 — Fan Performance — Optional Return/Exhaust Fan 48/50P030-050 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 (cfm) 6,000 0.86 1.09 1.30 1.50 1.69 1.88 2.05 2.23 2.40 2.57 8,000 1.80 2.13...
Page 31 Table 24 — Fan Performance — Optional Return/Exhaust Fan (cont) 48/50P075-100 Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 14,000 3.61 3.61 4.02 4.58 5.16 5.75 6.36 6.99 7.62 8.25 16,000 4.09 4.76 5.40 6.02 6.65 7.29 7.94 8.61 9.30 9.99 18,000...
Page 32 Table 25 — Fan Performance — Optional High-Capacity Power Exhaust (48/50P075-100) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (cfm) 14,000 3.79 4.28 4.86 5.48 6.11 16,000 5.37 5.86 6.47 7.12 7.80 18,000 7.37 7.84 8.45 9.14 9.86 20,000 9.81 10.26 10.87 11.57 12.32...
Page 33 Table 26 — Component Pressure Drops (in. wg) Size 030-050 Units AIRFLOW (cfm) COMPONENT 6,000 8,000 10,000 12,000 14,000 16,000 18,000 20,000 ECONOMIZER 0.06 0.09 0.12 0.16 0.20 0.25 0.30 0.35 FILTERS 30% Pleated (2 in.) 0.00 0.00 0.00 0.00 0.01 0.01 0.02...
Page 34 NOTE(S): a. Extensive motor and electrical testing on the Carrier units has ensured that the full horsepower range of the motor can be utilized with confidence. Using fan motors up to the horsepower ratings shown in the Motor Limitations table will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.
Page 35: Controls Quick Start
This applies to both TSTAT MULTI and SENSOR MULTI CONTROLS QUICK START modes. The following section will provide a quick user guide to setting up NOTE: Configure either RTIO and LIMT or RES.S. Do not use and configuring the P Series units with ComfortLink controls. See all three.
Page 36: Economizer Options
Economizer Options Exhaust Options  Under the Configuration ECON submenu, the following set The following exhaust options should be configured. points should be configured: EXHAUST TYPE EC.EN Economizer Enabled? High- Modulating UNIT EC2.E Econ Act.2 Installed? Capacity Return Power Power Exhaust EC.MN Economizer Min.Position...
Page 37: Set Clock On Vfd (If Installed)
  Configuration BP.CF=5 (Return/Exhaust — Fan Use UP or DOWN keys to highlight CLOCK VISIBILITY Tracking Control) and press SEL (SOFT KEY 2). This parameter is used to dis- play or hide the clock on the screen. Use UP or DOWN keys ...
Page 38: Service Test
NOTE: By default, the time schedule periods are programmed for FAN.F 24 hours of occupied operation. By turning the FAN FORCE on, the supply fan is turned on and To create a schedule, perform the following procedure: will operate as it normally would, controlling duct static pressure on VAV applications or just energizing the fan on CV applications.
Page 39 Table 30 — Service Test ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS TEST Service Test Mode ON/OFF MAN_CTRL STOP Local Machine Disable YES/NO UNITSTOP config S.STP Soft Stop Request YES/NO SOFTSTOP forcible FAN.F Supply Fan Request YES/NO SFANFORC forcible INDP TEST INDEPENDENT OUTPUTS HUM.R...
Page 40: Humidi-Mizer System
Table 30 — Service Test (cont) ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS COOL TEST COOLING E.POS Econo Damper Command Pos 0 to 100 ECONCOOL SP.SP Static Pressure Setpoint 0 to 5 "H2O SPSP_TST CL.ST Requested Cool Stage 0 to n CLST_TST Minimum Load Valve Relay ON/OFF...
Page 41: Cooling
    SERVICE TEST HMZR B.CAL (BYPASS • Service Test COOL C.EXV (HMV-1: Condenser EXV Position). On Humidi-MiZer equipped units, this item al- CALIBRATE) lows the user to exercise the valve that controls refrigerant On Humidi-MiZer configured units, this item allows the user to flow to the Circuit B condenser.
Page 42: Third-Party Control
0ºF to 20°F. For example, 4 mA = 0ºF reset, 12 mA = 10°F reset THIRD-PARTY CONTROL and 20 mA = 20ºF reset. Thermostat Demand Limit Control The method of control would be through the thermostat inputs: The term demand limit control refers to the restriction of the ma- = first stage cooling chine’s mechanical cooling capacity to control the amount of pow- Y1 and Y2...
Page 43 IQ.I.C = 1 (IAQ Discrete) Fan Configuration). There are three configurations for IQ.A.F and they follow the same logic as for the discrete input. This configu- If the user sets IQ.I.C to 1 (IAQ Discrete), and the switch logic ration allows the user to decide (if the supply fan is not already ...
Page 44: Controls Operation
 SYSTEM MODES (OPERATING MODES SYS.M) CONTROLS OPERATION System Mode Off Modes When the system mode is OFF, all outputs are to be shut down and The ComfortLink controls operate under a hierarchy of command no machine control is possible. The following list displays the text structure as defined by three essential elements: the System mode, assigned to the System Mode when in the OFF mode and the con- the HVAC mode, and the Control mode.
Page 45 Unit not in factory System Mode = test AND fire-smoke OFF? control mode is Fire- alarming? System Smoke Mode Control Inputs -> FIRE -> HVAC Mode = OFF Inputs -> FIRE -> Inputs -> FIRE -> FSD in alarm? (Disabled) PRES in alarm? EVAC in alarm? HVAC Mode = OFF...
Page 46: Unit Configuration Submenu
HVAC Mode — SOFTSTOP REQUEST (3) HVAC Mode — FIRE SHUT DOWN (19) The unit is off due to a soft stop request from the control. The unit has been stopped due to a fire shutdown input (FSD) from two or more of the fire control modes, purge, evacuation, or HVAC Mode —...
Page 47 Table 32 — Unit Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULTS UNIT UNIT CONFIGURATION C.TYP Machine Control Type 1 to 4 CTRLTYPE SIZE Unit Size (30-100) 30 to 100 UNITSIZE FN.MD Fan Mode (0=Auto, 1=Cont) 0 to 1 FAN_MODE RM.CF Remote Switch Config 0 to 3...
Page 48 Fan Fail Shuts Downs Unit (SFS.S) rooftop is installed at a particularly high altitude and enthalpy or cfm are being calculated, set this configuration to the current ele- When fan status monitoring is configured on, this configuration vation of the installed rooftop. will determine whether the unit should shut down on a supply fan status fail or simply alert the condition and continue to run.
Page 49: Cooling Control
to use multiple stages of cooling control and perform VAV Cooling Control style operation. The control will be able to call out a LOW The P Series ComfortLink controls offer two basic control ap- COOL or a HIGH COOL mode and maintain a low or high proaches to mechanical cooling: multi-stage cooling (CV) and cool supply air set point.
Page 50 EDT Reset Configuration (RS.CF) CSB A1 Feedback Alarm (CS.A1) This configuration applies to several machine control types (Con- This configuration is used to enable or disable the compressor A1   figuration UNIT C.TYP = 1,2,3, and 4). feedback alarm. This configuration must be enabled whenever A1.EN is enabled.
Page 51 Table 37 — Cooling Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT COOL COOLING CONFIGURATION A1.EN Enable Compressor A1 Enable/Disable CMPA1ENA Enable A2.EN Enable Compressor A2 Enable/Disable CMPA2ENA Enable A3.EN Enable Compressor A3 Enable/Disable CMPA3ENA Enable B1.EN Enable Compressor B1 Enable/Disable CMPB1ENA Enable...
Page 52 This configuration must be set to 1 (CIRCUIT A) for size 30 to Dig Scroll Reduce Delta (DS.RP) 60 units if an accessory low ambient operation Motormaster ® This configuration defines the maximum capacity the digital scroll control is installed on the unit. will be allowed to decrease per request by the SUMZ Cooling Al- ...
Page 53 Use CSBs for HPS detect? (CS.HP) VAV Occupied Cool Mode Evaluation Configuration On units with multiple compressors running on a circuit, the cur- There are VAV occupied cooling offsets under Setpoints. rent sensor boards (CSBs) are used to help detect a high pressure switch trip.
Page 54 Table 38 — Cool/Heat Set Point Offsets Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT D.LV.T COOL/HEAT SETPT. OFFSETS L.H.ON Dmd Level Lo Heat On –1 to 2 DMDLHON H.H.ON Dmd Level(+) Hi Heat On 0.5 to 20.0 DMDHHON L.H.OF Dmd Level(-) Lo Heat Off 0.5 to 2.0 DMDLHOFF...
Page 55 • An HVAC mode equal to LOW COOL will cause the unit Requested Cool Stage (REQ.S)  to select the Setpoints SA.LO set point to control to. An This variable represents the requested cool stage. Cooling relay HVAC mode equal to HIGH COOL will cause the unit to timeguards in place may prevent the requested cool stage from ...
Page 56 Table 40 — Run Status Cool Display ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS COOL COOLING INFORMATION C.CAP Current Running Capacity CAPTOTAL CUR.S Current Cool Stage COOL_STG REQ.S Requested Cool Stage CL_STAGE MAX.S Maximum Cool Stages CLMAXSTG DEM.L Active Demand Limit DEM_LIM forcible SUMZ...
Page 57 compensates for varying conditions, including changing flow rates • If SUM is negative: SMZ = 100*(SUM/Z.MIN) across the evaporator coil. Mixed Air Temperature Calculation (MAT) Previous implementations of SumZ made static assumptions The mixed-air temperature is calculated and is a function of the about the actual size of the next capacity jump up or down.
Page 58 DEMAND LIMIT CONTROL 4-20 mA Demand Limiting (DM.L.S = 2) If the unit has been configured for 4 to 20 mA demand limiting, Demand Limit Control may override the cooling algorithm and   then the Inputs 4-20 DML.M value is used to determine the clamp or shed cooling capacity during run time.
Page 59 Table 41 — Demand Limit Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT DMD.L DEMAND LIMIT CONFIG. DM.L.S Demand Limit Select 0 to 3 DMD_CTRL D.L.20 Demand Limit at 20 ma 0 to 100 DMT20MA SH.NM Loadshed Group Number 0 to 99 SHED_NUM SH.DL Loadshed Demand Delta...
Page 60 Size 030, 035 Controlling Output Contactor OFM(s) Circuit Logic e l l e l l Common CONDFAN1 MBB Rly 6 OFC1 OFM1 Comp A1 or B1 ON Common CONDFAN2 MBB Rly 5 OFC2 OFM2 Circuit A or B SCT or OAT # of Fans ON Fans ON CONTROL BOX...
Page 61 Size 050, 055, 060 Controlling Output Contactor OFM(s) Circuit Logic Controlled Controlled Comp A1, A2, B1 or B2 ON Common CONDFAN1 MBB Rly 6 OFC1 OFM1 Common CONDFAN2 MBB Rly 5 OFC2 OFM2,3 Circuit A or B SCT or OAT Common CONDFAN3 RCB Rly 1...
Page 62 CIRCUIT A COILS Size 090, 100 Controlling Output Contactor OFM(s) e l l e l l Comp A1, A2, or A3 ON, Common CONDFAN4 RCB Rly 2 OFC4 OFM4 or Comp B1, B2, or B3 ON CONDFAN3 RCB Rly 1 OFC3 OFM6 Circuit A SCT or OAT...
Page 63: Heating Control
leaving air setpoint and go to full heat in High heat requiring max- Heating Control imum heat airflow as described above. The P Series ComfortLink controls offer control for five different Also, for VAV applications, the HIR function provides the types of heating systems to satisfy general space heating require- switching of a control signal intended for use by the VAV ter- ments: 2-stage gas heat, 2-stage electric heat, multiple-stage gas...
Page 64 Occupied Heating Enable (OC.EN) SPT Multi-Stage (C.TYP = 4) This configuration only applies when the unit’s control type (Con- The unit is free to select a heating mode based on space tempera-   figuration UNIT C.TYP) is configured for 1 (VAV-RAT) or 2 ture (SPT).
Page 65 Table 44 — Mode Trip Helper Table Heating Set Point 68.0°F ITEM EXPANSION UNITS CCN POINT 67.5°F TRIP MODE TRIP HELPER L.H.ON UN.C.S Unoccup. Cool Mode Start UCCLSTRT L.H.OF L.H.OF/2 UN.C.E Unoccup. Cool Mode End UCCL_END 66.5°F OC.C.S Occupied Cool Mode Start OCCLSTRT OC.C.E Occupied Cool Mode End...
Page 66 HEAT SG.CF. See Table 46. NOTE: The PID values should be not be modified without ap- SCR ELECTRIC HEAT CONTROL (HT.CF = 5 AND HT.ST proval from Carrier. = 6, 7, OR 8)   Freeze Status Switch Logic (Inputs GEN.I...
Page 67 Table 46 — Staged Heat Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT SG.CF STAGED HEAT CONFIGS HT.ST Staged Heat Type 0 to 8 HTSTGTYP CAP.M Max Cap Change per Cycle 5 to 45 HTCAPMAX M.R.DB St.Ht DB min.dF/PID Rate 0 to 5 HT_MR_DB S.G.DB...
Page 68 NOTE: The PID values should not be modified without approval tion capacity is a function of the capacity desired, the available from Carrier. heat staging patterns configured with heat stage type (HT.ST), and the capacity range presented by each staging pattern.
Page 69 Table 49 — Staged Gas Heat Control Steps (HT.ST = 0) RELAY OUTPUT Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat 6 CAPACITY STAGE MBB-RLY8 MBB-RLY7 SCB-RLY1 SCB-RLY2 SCB-RLY3 SCB-RLY4 IGC1 MGV1 IGC2 MGV2 IGC3 MGV3 Table 50 — Staged Gas Heat Control Steps (HT.ST = 1) RELAY OUTPUT Heat 1 Heat 2...
Page 70 the control point (HT.C.P) + the cutoff point (LAT.L) the control Table 55 — SCR Electric Heat will run the capacity calculation routine immediately and drop a NUMBER stage of heat. Thereafter, every time the capacity calculation rou- HT.ST UNIT SIZE HEAT VOLTAGE tine runs, provided the control is still in the LAT cutoff mode...
Page 71 Installing a New Sensor SC30 to provide control of the modulating gas heat section. The Use a duct-mount temperature sensor (Carrier P/N 33ZCSENPAT TR1 receives an input from the IGC, initiates a start-up sequence, or equivalent 10,000 ohms at 25C NTC [negative temperature co- powers the SC30, sets the induced-draft motor speed, and pro- efficient] sensor).
Page 72: Static Pressure Control
minimum cfm, then the evaporator discharge temperature (EDT) The four most fundamental configurations for most applications   will be monitored. If the EDT falls below a particular trip point are Configuration SP.CF, which is the static pressure con-  ...
Page 73 Table 61 — Static Pressure Control Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT SUPPLY STATIC PRESS.CFG. SP.CF Static Pressure Config Enable/Disable STATICFG Disable SP.SV Staged Air Volume Control Enable/Disable STGAVCFG Disable SP.S Static Pressure Sensor Enable/Disable SPSENS Disable SP.LO Static Press.
Page 74: Fan Status Monitoring
20 mA range corresponds directly to the 0 to 3 in. wg of reset. located in the supply fan compartment. See Carrier accessory liter- Therefore, 2 mA reset is 2/16 * 3 in. wg = 0.375 in. wg of reset. If ature for more details.
Page 75: Dirty Filter Switch
Table 62 — Static Pressure Reset Related Points ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT Inputs   4-20 SP.M Static Pressure mA 4 to 20 SP_MA   4-20 SP.M.T Static Pressure mA Trim –2.0 to +2.0 SPMATRIM  ...
Page 76 Use current SAT and actuator position as samples for next Test for stuck/jammed actuator comparison after next actuator move. The control will test for a jammed actuator as follows: The control will test for a mechanically disconnected damper if all •...
Page 77 In this test, each actuator/damper assembly is commanded inde- If the torque increases and decreases properly, EC.ST="PASS," pendently while the fan and motor characteristics are monitored. otherwise EC.ST="FAIL". It is possible to manually start the self-test: If EC.ST is set to pass, any existing “damper not modulating” alert will be automatically cleared.
Page 78 T24 Test Maximum Position (ET.MX) Economizer Minimum Position (EC.MN) Maximum position above which tests for a mechanically discon- The configuration option EC.MN is the economizer minimum po- nected actuator will not be performed. For example, if the actuator sition. See the section on indoor air quality for further information moves entirely within the range ET.MX to 100, a determination of on how to reset the economizer further to gain energy savings and whether the actuator is mechanically disconnected will not be...
Page 79 Table 66 — Economizer Configuration Table ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT EC.EN Economizer Installed? Yes/No ECON_ENA EC2.E Econ.Act.2 Installed? Yes/No ECON_TWO EC.MN Economizer Min.Position 0 to 100 ECONOMIN EC.MX Economizer Max.Position 0 to 100 ECONOMAX E.TRM Economzr Trim For SumZ? Yes/No ECONTRIM E.SEL...
Page 80 Enthalpy Switch humidity sensor. A control expansion module (CEM) is required. Once the sensor and board are installed, enable Configura-   The state of the enthalpy switch can be viewed under Inputs   tion ECON ORH.S, the outdoor relative humidity sensor con- ...
Page 81 configuration (ORH.S) and return-air humidity sensor configura- used in the P Series control system has a configurable control an-       tion (Configuration UNIT SENS RRH.S) must be enabled. gle alarm low limit (Configuration ECON ACT.C C.A.L1 or C.A.L2).
Page 82 Unoccupied Economizer Free Cooling Time Configuration IAQ Demand Vent Minimum Flow Rate (O.C.MN) (FC.TM) This option replaces the IAQ Demand Ventilation Minimum Posi-    This option is a configurable time period, prior to the next occu- tion (Configuration DCV.C IAQ.M) when the outdoor pied period, that the control will allow unoccupied economizer...
Page 83: Building Pressure Control
Table 67 — Economizer Run Status Table ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS ECN.P Economizer Act.Curr.Pos. 0 to 100 ECONOPOS EC2.P Economzr 2 Act.Curr.Pos. 0 to 100 ECON2POS ECN.C Economizer Act.Cmd.Pos. 0 to 100 ECONOCMD forcible ACTV Economizer Active? YES/NO ECACTIVE DISA...
Page 84 Table 68 — Building Pressure Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT BUILDING PRESS. CONFIGS BP.CF Building Press. Config 0 to 6 BLDG_CFG BP.S Building Pressure Sensor Enable/Disable BPSENS Disable BP.R Bldg. Press. (+/-) Range 0.10 to 0.25 "H2O BP_RANGE 0.25 BP.SP...
Page 85 = P + I + D Control) NOTE: Do not change values of PID set point without approval Two exhaust fan relays will be turned on and off based on econo- from Carrier. mizer position to maintain building pressure control. The two trip  ...
Page 86 NOTE: Do not change values of PID set point without approval NOTE: These configurations are used only if Fan Tracking Learn- from Carrier. ing is enabled. When Fan Tracking Learning is enabled, the con- CONFIGURING THE BUILDING PRESSURE ACTUA- trol will adjust the delta cfm (FT.ST) between the supply and re-...
Page 87: Smoke Control Modes
NOTE: The serial numbers can be found inside the control doors Evacuation Mode of the unit as well as on the actuator itself. If an actuator is re- This mode attempts to lower the pressure of the space to prevent placed in the field, it is a good idea to remove the additional peel- infiltrating an adjacent space with its smoke.
Page 88 requires supplemental devices, including a 4 to 20 mA signal, a If OAQ exceeds the OAQ Lockout Value (OAQ.L), then the econ- 10,000 ohms potentiometer, or a discrete switch input, depend- omizer will remain at IAQ.M. This is used to limit the use of out- ing on the method selected.
Page 89 Table 69 — Indoor Air Quality Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT DCV.C DCV ECONOMIZER SETPOINTS EC.MN Economizer Min.Position 0 to 100 ECONOMIN IAQ.M IAQ Demand Vent Min.Pos. 0 to 100 IAQMINP O.C.MX Economizer Min.Flow 0 to 20000 OACFMMAX 2000 O.C.MN...
Page 90 IQ.R.L)   IAQ Purge OAT Lockout Temp (Configuration This is the reference that will be used with a non-Carrier IAQ sen-  IAQ.P IQ.L.O) sor that may have a different characteristic curve. It represents the Nighttime lockout temperature, below which the purge cycle will level at 4 mA.
Page 91: Humidification
This configuration is the PID Integral Gain. If a humidifier using a proportional steam valve is selected, the Humidifier Derivative Gain (HM.D) Carrier actuator (Carrier Part No. HF23BJ050) must be adapted This configuration is the PID Derivative Gain. to the humidifier manufacturer’s steam valve. Contact Belimo Aircontrols for information on actuator linkage adapter packages Table 70 —...
Page 92: Dehumidification And Reheat
OPERATION dehumidification sequence requires the installation of a space or return air humidity sensor or a discrete switch input. A CEM For operation, PID control will be utilized. The process will run at (option or accessory) is required to accommodate an RH (rela- ...
Page 93 Table 72 — Dehumidification Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT DEHU DEHUMIDIFICATION CONFIG. D.SEL Dehumidification Config 0 to 4 DHSELECT D.SEN Dehumidification Sensor 1 to 3 DHSENSOR D.EC.D Econ disable in DH mode? Yes/No DHECDISA D.V.CF Vent Reheat Setpt Select 0 to 1 DHVHTCFG D.V.RA...
Page 94: Humidi-Mizer Option
• Cooling — For all cooling control types: A High Cool third-party controller. Dehumidification and reheat control are al- HVAC mode will be requested internally to the control to lowed during Cooling and Vent modes in the occupied period. maintain diagnostics, although the end user will see a Dehu- SET UP THE SYSTEM midification mode at the display.
Page 95 the percentage of total reheat capacity adjustment that will be controls allow for the discharge air to be reheated to either the re- made per degree Fahrenheit of supply air temperature error. turn-air temperature minus a configurable offset or to a configu- rable Reheat set point (default 70°F).
Page 96: Temperature Compensated Start
HUMIDI-MIZER ADAPTIVE EVAPORATOR DEHUMIDIFICATION SYSTEM COIL Supply Air Temperature Control Evaporator Discharge Temperature Innovative algorithm to control supply air temperature In Subcool or Reheat Mode, compressor staging Airflow modulates flow bypass to meet desired supply air setpoint - and increased subcooling drives evaporator no overcooling or overheating of the space.
Page 97: Carrier Comfort Network (Ccn)
It is possible to configure the ComfortLink controls to participate the control is set up to broadcast its internal as an element of the Carrier Comfort Network (CCN) system di- time schedule (G.S.B) to the network and this is rectly from the local display. This section will deal with explaining the global schedule number it is broadcasting.
Page 98: Alert Limit Configuration
Table 75 — CCN Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT CCN CONFIGURATION CCNA CCN Address 1 to 239 CCNADD CCNB CCN Bus Number 0 to 239 CCNBUS BAUD CCN Baud Rate 1 to 5 CCNBAUDD BROD CCN BROADCST DEFINITIONS TM.DT CCN Time/Date Broadcast ON/OFF...
Page 99: Sensor Trim Configuration
Doing so may impair or above the configurable OARH High Alert Limit (O.RH.H), then negatively affect the Carrier product warranty. economizer operation will be disabled. The unit will continue to Air Temperature Leaving Supply Fan Sensor (SAT.T) run and the alert will automatically reset.
Page 100: Discrete Switch Logic Configuration
This is used when field-supplied switches or input devices are used instead of Carrier Fire Shutdown — Off (FSD.L) devices. The normally open or normally closed setting may be dif- The fire shutdown input is set for normally open when off.
Page 101: Display Configuration
VFD must be cycled in order for a change to this configuration to configuration should not be changed without first consulting a take effect. Carrier service engineering representative. VFD1 Nominal Motor Amps (N.AMP) This configuration defines the nominal motor current. This value...
Page 102 Table 79 — Display Configuration ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT TEST Test Display LEDs ON/OFF TEST METR Metric Display ON/OFF DISPUNIT LANG Language Selection 0-1(multi-text strings) LANGUAGE PAS.E Password Enable ENABLE/DISABLE PASS_EBL Enable PASS Service Password 0000-9999 PASSWORD 1111 Table 80 —...
Page 103: Remote Control Switch Input
The control allows for configuration of a normally open/closed Carrier service engineering representative. status of the remote input switch via RMI.L. If this variable is configured OPEN, then when the switch is open, the remote in- Remote Control Switch Input put switch perceives the logic state as OFF.
Page 104: Hot Gas Bypass
Hot Gas Bypass ITEM EXPANSION RANGE UNITS CCN POINT The ComfortLink control system supports the use of an optional SP.O.S Space Temp Offset Sensor Enable/Disable SPTOSENS minimum load hot gas bypass valve (MLV) that is directly con- SP.O.R Space Temp Offset Range 1 to 10 SPTO_RNG trolled by the ComfortLink control system.
Page 105: Hour And Minute (Hh.mm)
this variable is set to YES, then Saturday will be included in that Hour and Minute (HH.MM) period’s occupied time schedule. If this variable is set to NO, then The hour and minute of the time clock are displayed in 24-hour, the period’s occupied time schedule will not be used on Saturday.
Page 106: Troubleshooting
DAYLIGHT SAVINGS STOP (DS.SP) particular circuit has occurred, determine and correct the cause be- fore allowing the unit to run under its own control again. When This submenu configures the end date and time for daylight there is a problem, the unit should be diagnosed in Service Test savings.
Page 107 Table 86 — Cooling Service Analysis PROBLEM CAUSE REMEDY Power failure. Call power company. Fuse blown or circuit breaker tripped. Check CB1, CB2, and Replace fuse or reset circuit breaker. CB3. Disconnect off. Power disconnect. Compressor time guard to prevent short cycling. Check using ComfortLink scrolling marquee.
Page 108 Table 87 — Humidi-MiZer Service Analysis PROBLEM CAUSE REMEDY Check alarm history for general cooling mode operation problems. See Table 86. Circuit B compressors unavailable Check for Circuit B compressors locked out. General Cooling Mode problem See Table 86. Check that a relative humidity sensor is connected and that the appropriate sensor Humidi-MiZer relative humidity sensor not ...
Page 109 Table 87 — Humidi-MiZer Service Analysis (cont) PROBLEM CAUSE REMEDY Valve controlling gas bypass around the See “Modulating Valves Not Functioning Properly.” condenser is stuck in an open position or leaking Low Sensible Capacity in Normal Valve controlling refrigerant flow to the Cooling Mode condenser is stuck in a position less than 100% See “Modulating Valves Not Functioning Properly.”...
Page 110 24 VOLTS DEFECTIVE 1 FLASH - INDOOR FAN DELAY BETWEEN FLASHING LED is IGC BOARD MODIFIED (HEATING) R & C ON J2? 2 FLASHES - OPENING OF LIMIT SWITCH 1. BLOWN 5 AMP FUSE 3 FLASHES - FLAME SENSOR 2. DEFECTIVE 24V TRANS. INDICATES FLAME WITH 3.
Page 111 Table 90 — 10K Thermistor vs Resistance (T55, T56, T58, OAT, SAT, RAT, CCT, LAT Sensors) (°F) TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE (°F) (Ohms) (°F) (Ohms) (°F) (Ohms) (°F) (Ohms) 5,095 1,375 25,396 –25 196,453 4,984 1,350 24,715 –24 189,692...
Page 112 Table 91 — 10K Thermistor vs Resistance (T55, T56, T58, OAT, SAT, RAT, CCT, LAT Sensor) (°C) TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE (°C) (Ohms) (°C) (Ohms) (°C) (Ohms) (°C) (Ohms) –32 200,510 24,171 4,544 1,177 –31 188,340 23,013 4,370 1,140...
Page 113 Table 93 — 5K Thermistor vs. Resistance (RGTA) (°F) TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE (°F) (Ohms) (°F) (Ohms) (°F) (Ohms) (°F) (Ohms) –25 98,010 2,713 13,449 –24 94,707 2,655 13,084 –23 91,522 2,597 12,730 –22 88,449 2,542 12,387 –21 85,486...
Page 114 Table 94 — 5K Thermistor vs. Resistance (RGTA) (°C) TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE (°C) (Ohms) (°C) (Ohms) (°C) (Ohms) 7,855 1,158 –32 100,260 7,499 1,118 –31 94,165 7,161 1,079 –30 88,480 6,840 1,041 –29 83,170 6,536 1,006 –28 78,125 6,246 –27...
Page 115: Transducer Troubleshooting
  Run Status VIEW EC.C.P Transducer Troubleshooting Displays the current economizer control point value (a target value The electronic control uses 2 suction pressure transducers to mea- for air temperature leaving the evaporator coil location). sure the suction pressure of circuits A and B. The pressure/voltage characteristics of these transducers are in shown in Tables 95 and ...
Page 116 Table 95 — Pressure Transducer (psig) vs. Voltage (SSP-A, SSP-B) PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE VOLTAGE (PSIG) DROP (V) (PSIG) DROP (V) (PSIG) DROP (V) (PSIG) DROP (V) (PSIG) DROP (V) 0.466 1.303 2.129 2.956 3.783 0.476 1.312 2.139...
Page 117 Table 96 — Discharge Pressure Transducer (psig) vs. Voltage PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE VOLTAGE (PSIG) DROP (V) (PSIG) DROP (V) (PSIG) DROP (V) (PSIG) DROP (V) 14.5 0.500 0.993 1.490 1.987 0.509 1.000 1.496 1.993 0.515 1.006 1.502 1.999 0.521...
Page 118 Table 96 — Discharge Pressure Transducer (psig) vs. Voltage (cont) PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE VOLTAGE (PSIG) DROP (V) (PSIG) DROP (V) (PSIG) DROP (V) (PSIG) DROP (V) 2.483 2.992 3.501 4.010 2.489 2.998 3.507 4.016 2.495 3.004 3.513 4.022 2.502...
Page 119 Table 97 — Auto View of Run Status Display Table ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS VIEW AUTO VIEW OF RUN STATUS HVAC ascii string spelling out the hvac modes string Occupied? YES/NO OCCUPIED forcible Mixed Air Temperature Evaporator Discharge Tmp Leaving Air Temperature EC.C.P...
Page 120 Table 99 — Cooling Information Display Table ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS COOL COOLING INFORMATION C.CAP Current Running Capacity CAPTOTAL CUR.S Current Cool Stage COOL_STG REQ.S Requested Cool Stage CL_STAGE MAX.S Maximum Cool Stages CLMAXSTG DEM.L Active Demand Limit DEM_LIM forcible SUMZ...
Page 121 VFD INFORMATION DISPLAY TABLE COMPRESSOR RUN HOURS DISPLAY TABLE The VFD information display table provides information on the The Compressor Run Hours Display Table displays the number of supply fan VFD and exhaust fan VFD. See Table 100. run time hours for each compressor. See Table 103. MODE TRIP HELPER COMPRESSOR STARTS DISPLAY TABLE The Mode Trip Helper table provides information on the unit...
Page 122: Alarms And Alerts
Table 103 — Compressor Run Hours Display Table ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT COMPRESSOR RUN HOURS HR.A1 Compressor A1 Run Hours 0-999999 HOURS_A1 config HR.A2 Compressor A2 Run Hours 0-999999 HOURS_A2 config HR.A3 Compressor A3 Run Hours 0-999999 HOURS_A3 config HR.B1...
Page 123 Table 106 — Alert and Alarm Codes ALARM OR DESCRIPTION ACTION TAKEN BY CONTROL RESET METHOD ALERT NUMBER CktA, Oil Return Not Reliable With Only One Comp  T048 Circuit shut down Automatic Available CktB, Oil Return Not Reliable With Only One Comp  T049 Circuit shut down Automatic...
Page 124 Table 106 — Alert and Alarm Codes (cont) ALARM OR DESCRIPTION ACTION TAKEN BY CONTROL RESET METHOD ALERT NUMBER A200 Linkage Timeout Error - Comm Failure Resorts to local unit setpoints Automatic T210 Building Pressure Transducer Failure No building pressure control function Automatic T211 Static Pressure Transducer Failure...
Page 125 Table 106 — Alert and Alarm Codes (cont) ALARM OR DESCRIPTION ACTION TAKEN BY CONTROL RESET METHOD ALERT NUMBER A643 Ht Coil Act Ovrload, Setpt Pos Not Reached Alarm only Automatic A644 Heat Coil Actuator Hunting Excessively Alarm only Automatic A650 Bldg.Press.
Page 126 To check out alerts A051, A052, A053, A054, A055, A056: (see Fig. 17) is lowered 0.4°F (3 psig). The control will not allow the compressor operating envelope to be lowered below 153.0°F Place the unit in Service Test mode. All compressors (630 psig).
Page 127 T073 (Outside Air Temperature Thermistor Failure) is automatic. Reason for error is either a faulty sensor, wiring er- ror, or damaged input on the MBB control board.   Failure of this thermistor (Temperatures AIR.T OAT) will  disable any elements of the control which requires its use. Econo- T110 (Circuit A Loss of Charge) mizer control beyond the vent position and the calculation of T111 (Circuit B Loss of Charge)
Page 128 This alert/alarm also attempts to prevent the saturated condensing require a manual reset. This alarm may be disabled once the re-   temperature from reaching the high pressure switch trip point by verse rotation check has been verified by setting Configuration ...
Page 129 A171 (Staged Gas Control Board Comm Failure) or the unit is disabled until communication with the OD fan VFD(s) is re-established. Staged Heating is disabled until communication with the staged gas control board is re-established. Recovery is automatic. Rea- T183 (Compressor Lockout Low Ambient) son for failure may be incorrect wiring, power loss to the staged When the outdoor ambient temperature (OAT) is below the com- gas control board, or damage to the RS-485 drivers on the LEN...
Page 130   unoccupied [Configuration ALLM SP.L.U] for 10 minutes), T313 (Building Static Pressure Above Limit) then an alert will be broadcast. The alert will automatically reset. If the unit is configured to use modulating power exhaust, then a T301 (Space Temperature Above Limit) building static pressure limit can be configured using the BP HI ...
Page 131 T408 (Dirty Air Filter) T424 (Thermostat G Input Off On a Cooling Call) If no dirty filter switch is installed, the switch will read “clean fil- If G is off and there is a cooling request (Y1 or Y2), then it is pos- ter”...
Page 132 will shut down any process associated with this actuator. Recovery T626 Econ 2 (Return) Economizing When It Should Not is automatic. Reason for failure may be incorrect wiring, incorrect When the control detects a stuck or jammed actuator, it will com- serial number configuration, or damaged RS-485 drivers on the pare the stuck position to the command position to log additional LEN bus.
Page 133: Major System Components
See Table 114. The circuit breakers for the low voltage con- VFDs, IGVs, hydronic valves, and humidifier valves. The MBB trol transformers, interface connection for the Carrier Comfort also interfaces with the Carrier Comfort Network ®...
Page 134 Fig. 18 — Typical Power Schematic (Sizes 040-075 Shown)
Page 135 Fig. 19 — Typical Power Schematic (Sizes 040-060 with Greenspeed Shown)
Page 136 Fig. 20 — Typical Power Schematic (Sizes 070-075 with Greenspeed Shown)
Page 137 Fig. 21 — Main Base Board Input/Output Connections...
Page 138 RELATIVE HUMIDITY POWER SUPPLY 24VDC If the Humidity sensors (supplied or field provided) indicate swings in relative humidity, a local 24 vdc power supply should be field installed to level out the reading from the device. Fig. 22 — RXB, EXB, CEM, SCB Input/Output Connections...
Page 139 Fig. 23 — Typical Gas Heat Unit Control Wiring (48P030-100 Units Shown)
Page 140 Fig. 24 — Typical Electric Heat Wiring (50P030-100 Units Shown)
Page 141 Fig. 25 — Typical Power Wiring (115-V)
Page 142 Fig. 26 — Typical Gas Heat Section (Size 030-050 Units Shown)
Page 143 PL33-1 PL7-1 PL33-2 PL7-2 PL33-4 PL40-2 PL33-5 PL40-4 TRAN 4 TRAN 5 PRIMARY PRIMARY SECONDARY SECONDARY 24 VOLTS 24 VOLTS PL58-1 SC30 PL8-10 PL58-2 PL8-11 MODULATING GAS VALVE (HIGH HEAT ONLY) IDM2 IDM1 PL21-1 PL8-1/PL21-10 PL21-10 PL21-1/PL21-11 PL21-3 PL8-3 IGC2 IGC1 PL21-4 PL8-4...
Page 144 Fig. 28 — Component Arrangement (Size 030,035 Units)
Page 145 Fig. 29 — Component Arrangement (Size 040-075 Units)
Page 146 Fig. 30 — Component Arrangement (Size 090,100 Units)
Page 147 High Voltage — Communications RED LED - STATUS YELLOW LED - GREEN LED - LEN (LOCAL EQUIPMENT NETWORK) CCN (CARRIER COMFORT NETWORK) INSTANCE JUMPER (SET TO 1) CEPL130346-01 HK 50AA029 CE BO 430346 STATUS Fig. 31 — Main Base Board (MBB)
Page 148 Table 107 — Main Control Board (MBB) Inputs and Outputs CONNECTOR POINT NAME POINT DESCRIPTION TYPE OF I/O I/O POINT NAME PIN NO. INPUTS IGCFAN IGC IFO input Switch Input J6, 3-4 Fire Shutdown Switch, RA/SA Smoke Detector Switch Input J6, 5-6 Thermostat ‘G’...
Page 149 Fig. 32 — Economizer Control Board (EXB) and Rooftop Control Board (RXB) Table 108 — Rooftop Control Board (RXB) Inputs and Outputs CONNECTOR POINT NAME POINT DESCRIPTION TYPE OF I/O I/O POINT NAME PIN NO. INPUTS RMTIN Remote Occupancy Switch Switch Input J4, 1-2 ENTH...
Page 150 Table 109 — Economizer Control Board (EXB) Inputs and Outputs CONNECTOR POINT NAME POINT DESCRIPTION TYPE OF I/O I/O POINT NAME PIN NO. INPUTS Plenum Pressure Switch Switch Input J4, 1-2 Not Used — — J4, 3-4 SACFM Supply Air CFM 4-20 Transducer (4-20 mA) J5, 1-3 RACFM...
Page 151 CEBD430351 STATUS TEST 2 GREEN LED - ADDRESS RED LED - STATUS LEN (LOCAL EQUIPMENT NETWORK) DIP SWITCH (ALL ON) Fig. 34 — Controls Expansion Board (CEM) Table 111 — Control Expansion Module (CEM) Inputs and Outputs POINT NAME POINT DESCRIPTION TYPE OF I/O I/O POINT NAME CONNECTOR PIN NO.
Page 152 Communication CCN - Communication SHIELD Ground Ground Local Equipment Network Communication Carrier Comfort Network Communication TB202 - FIELD CONNECTIONS CEM (in Main Control Box) Not Used — Not Used — Space Humidity 4-20 mA (-) 4 to 20 mA signal...
Page 153 The display is easy to operate using 4 buttons and a group of 11 Table 115 — IGC Board Inputs and Outputs LEDs that indicate the following menu structures: CONNECTOR • Run Status POINT NAME POINT DESCRIPTION PIN NO. • Service Test INPUTS 24 Volt Power Supply...
Page 154 Terminal X1 LEN connection from ComfortLink Fig. 36 — VFD Wiring ECONOMIZER MOTOR(S) Table 118 — VFD Terminal Designations The economizer outside air and return air dampers are gear-driven TERMINAL FUNCTION dampers without linkages. A communicating economizer mo- U1 / L1 tor(s) controls their position.
Page 155: Accessory Control Components
Table 119 — Thermistors and Unit Operation Control Pressure Transducers SENSOR DESCRIPTION AND LOCATION PART NO. Thermistors Cooling Coil Thermistor input. Provided with factory-option hydronic heat. Located on face of the hydronic heating HH79NZ039 (4) coil. Consists of 4 thermistors wired into a 2x2 array. Limit Switch Thermistor.
Page 156 • Outdoor enthalpy switch Yellow LED • Outdoor air dry bulb The MBB has one yellow LED. The Carrier Comfort Network ® • Differential dry bulb (CCN) LED will blink during times of network communication. •...
Page 157: Service
NON CARRIER HVAC EQUIPMENT COMFORT CONTROLLER AIR DISTRIBUTION-DIGITAL AIR VOLUME CONTROL (DAV) LEGEND — Carrier Comfort Network® — ComfortLink Controls — Digital Air Volume HVAC — Heating, Ventilation, and Air Conditioning — Terminal Control Unit Fig. 38 — CCN System Architecture...
Page 158 COMPRESSORS RETURN AIR FILTERS Sizes 030,035 Access to these filters is through the door marked FILTER SEC- TION. Access to the compressors is below the unit control box. Sizes 040-060 UNIT CONTROL BOX Access to the compressors is through the doors on the condenser Access to this component is through the doors marked ELECTRI- end of the unit.
Page 159 Limit Switch No. 1 Flue Outlet Section 2 Gas Valve Flue Outlet Flue Outlet Section 3 Section 1 Gas Valve Gas Valve Fig. 46 — Burner Section Detail — 2-Stage and Staged Gas Units Limit Switch No. 2 Fig. 44 — Gas Section Detail, Sizes 055-100 (High Heat) Pressure Fitting...
Page 160: Adjustments
ECONOMIZER DAMPER MOTOR(S) On units so equipped, the economizer motor(s) is located in the CERAMIC mixing box section. Access to it is through the door labeled FIL- BAFFLE TER SECTION. CONDENSER FANS AND FAN MOTORS CLIP Remove the wire fan guard on top of the unit to gain access to the condenser fans and motors.
Page 161 SUPPLY FAN AND POWER EXHAUST MOTOR PLATE Adjust using a 15/16 in. wrench on the adjusting bolts. Loosen holddown bolts. (See Fig. 51.) Turn the adjusting bolts to move the motor mounting plate toward or away from the fan to loosen or tighten the belts. Make the same number of turns to each bolt.
Page 162: Cleaning
TRANSDUCER INPUT OUTPUT OUTPUT PART RANGE USAGE RANGE AT 0 IN. WG NUMBER (in. wg) Supply Duct/ HK05ZG019 0 to 5 4 to 20 mA 4 mA Air Foil Fan cfm Forward HK05ZG020 0 to 1 4 to 20 mA 4 mA Curved Fan cfm...
Page 163: Lubrication
Reinstall filters in hoods after cleaning. Never replace Amount of refrigerant charge is listed on unit nameplate. Refer to cleanable filters with throwaway filters. Carrier GTAC II; Module 5; Charging, Recovery, Recycling, and Reclamation section for charging methods and procedures. OUTDOOR-AIR INLET SCREENS Unit panels must be in place when unit is operating during Clean screens with steam or hot water and a mild detergent.
Page 164 30 Ton STD CAP CIRCUIT A Charging Chart a48-8518 All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 165 30 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 166 35 Ton STD CAP CIRCUIT A Charging Chart a48-8522 All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 167 40 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 168 40 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 169 50 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 170 50 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 171 55 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 172 55 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 173 60 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 174 60 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 175 70 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 176 70 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 177 75 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 178 75 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 179 90 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 180 90 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 181 100 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 182 100 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must Be Operating All Outdoor Fans Must Be Operating SST= 60 F SST= 45 F SST= 30 F Reduce Charge if Above Curve Add Charge if Below Curve Outdoor Air Temperature (deg F) Fig.
Page 183: Gas System Adjustment (48P Only)
To Use the Cooling Charging Chart To adjust regulator: Use the outdoor air temperature, saturated suction temperature and Set thermostat at setting for no call for heat. saturated condensing temperature (available on the ComfortLink Switch main gas valve to OFF position. display), and find the intersection point on the cooling charging Remove 1/8 in.
Page 184: Moisture/Liquid Indicator
Yellow — moisture above 130 ppm (wet) Change filter driers at the first sign of moisture in the system. See Carrier Charging Handbook for more information. IMPORTANT: Unit must be in operation at least 12 hours before moisture indicator can give an accurate reading. With unit running, indicating element must be in contact with liquid refrig- erant to give a true reading.
Page 185: Temperature Relief Devices
Control Circuit, 24-V This control circuit is protected against overcurrent by two 10 amp and four 3.2 amp circuit breakers. Breakers can be reset. If a breaker trips, determine cause of trouble before resetting. Gas Heat (48P Only) LIMIT SWITCHES The maximum supply-air temperature is controlled by a limit switch located in the gas section.
Page 186: Appendix A - Local Display Tables
APPENDIX A — LOCAL DISPLAY TABLES Table A — MODE — RUN STATUS ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS PAGE NO. VIEW AUTO VIEW OF RUN STATUS HVAC ascii string spelling out the hvac modes string OCC Occupied? YES/NO OCCUPIED forcible...
Page 187 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table A — MODE — RUN STATUS (cont) ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS PAGE NO. HMZRB.EXV Bypass EXV Position BYP_EXV HMZRRHV HumidiMiZer 3-way Valve HUM3WVAL HMZRC.CPT Cooling Control Point COOLCPNT HMZREDT Evaporator Discharge Tmp HMZRH.CPT...
Page 188 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table B — MODE — SERVICE TEST ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS PAGE NO. TEST Service Test Mode ON/OFF MAN_CTRL STOP Local Machine Disable YES/NO UNITSTOP config S.STP Soft Stop Request YES/NO SOFTSTOP forcible...
Page 189 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table B — MODE — SERVICE TEST (cont) ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS PAGE NO. C.EXV Condenser EXV Position 0 to 100 CEXVHTST B.EXV Bypass EXV Position 0 to 100 BEXVHTST HEAT TEST HEATING...
Page 190 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table F — MODE — INPUTS ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS GEN.I GENERAL INPUTS FLT.S Filter Status Input DRTY/CLN FLTS forcible G.FAN Fan Request From IGC ON/OFF IGCFAN REMT Remote Input State RMTIN forcible ENTH...
Page 191 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table G — MODE — INPUTS ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS FANS FANS S.FAN Supply Fan Relay ON/OFF SFAN S.VFD Supply Fan VFD Speed 0 to 100 SFAN_VFD E.VFD Exhaust Fan VFD Speed 0 to 100 EFAN_VFD P.E.1...
Page 192 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table H — MODE — CONFIGURATION ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT PAGE NO. UNIT UNIT CONFIGURATION C.TYP Machine Control Type 1 to 4 (multi-text strings) CTRLTYPE 35, 44, 49, 64 SIZE Unit Size (30 to 100) 30 to 100 UNITSIZE...
Page 193 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table H — MODE — CONFIGURATION (cont) ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT PAGE NO. OV.PG Gain Outdoor VFD Prop. 0 to 5 OV_PG OV.TI Outdoor VFD Integ. Time 0.5 to 200 OV_TI OV.AU Outdoor VFD Anti-Windup...
Page 194 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table H — MODE — CONFIGURATION (cont) ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT PAGE NO. ECON ECONOMIZER CONFIGURATION EC.EN Economizer Installed? Yes/No ECON_ENA 36, 78, 79 EC2.E Econ.Act.2 Installed? Yes/No ECON_TWO 36, 78, 79 EC.MN Economizer Min.Position 0 to 100...
Page 195 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table H — MODE — CONFIGURATION (cont) ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT PAGE NO. B.V.A VFD/ACTUATOR CONFIG B.V.ABP.FS VFD/Act. Fire Speed/Pos. 0 to 100 BLDGPFSO B.V.ABP.MN VFD/Act. Min.Speed/Pos. 0 to 50 BLDGPMIN B.V.ABP.MX VFD Maximum Speed...
Page 196 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table H — MODE — CONFIGURATION (cont) ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT PAGE NO. AQ.SPD.F.OF DAQ PPM Fan Off Setpoint 0 to 2000 DAQFNOFF 88-90 AQ.SPD.F.ON DAQ PPM Fan On Setpoint 0 to 2000 DAQFNON 88-90...
Page 197 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table H — MODE — CONFIGURATION (cont) ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT PAGE NO. OAT.L OAT lo alert limit –40 to 245 OATL –40 OAT.H OAT hi alert limit –40 to 245 OATH R.RH.L RARH low alert limit...
Page 198 APPENDIX A — LOCAL DISPLAY TABLES (CONT) Table I — MODE — TIMECLOCK ITEM EXPANSION RANGE UNITS CCN POINT DEFAULT PAGE NO. TIME TIME OF DAY HH.MM Hour and Minute 00:00 TIME DATE MONTH,DATE,DAY AND YEAR MNTH Month of Year multi-text strings DOM Day of Month...
Page 199: Appendix B - Ccn Tables
All P Series units with ComtfortLink controls have a port for inter- In the following tables, the structure of the tables that are used with the Service Tool as well as the names and data that are in- face with the Carrier Comfort Network ® (CCN) system. On TB3, cluded in each table are shown.
Page 200 APPENDIX B — CCN TABLES (CONT) Table L — STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS ECONOMZR Economizer Act.Curr.Pos. ECONOPOS Economizer 2 Act.Curr.Pos. ECON2POS Economizer Act.Cmd.Pos. ECONOCMD forcible Economizer Active? ECACTIVE Economizer Control Point ECONCPNT Outside Air Temperature forcible...
Page 201 APPENDIX B — CCN TABLES (CONT) Table L — STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS MODETRIP Unoccup. Cool Mode Start UCCLSTRT Unoccup. Cool Mode End UCCL_END Occupied Cool Mode Start OCCLSTRT Occupied Cool Mode End OCCL_END Ctl.Temp RAT,SPT or Zone CTRLTEMP...
Page 202 APPENDIX B — CCN TABLES (CONT) Table L — STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS UOUTPUTS (cont) ODF_VFD-A Actual Speed % 0 to 100 OVA_SPD ODF_VFD-B Actual Speed % 0 to 100 OVB_SPD COOLING Compressor A1 Relay On/Off...
Page 203 APPENDIX B — CCN TABLES (CONT) Table L — STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS VFD_DATA (cont) VFD2 DI1 State Open/Close VFD2_DI1 VFD2 DI2 State Open/Close VFD2_DI2 VFD2 DI3 State Open/Close VFD2_DI3 VFD2 DI4 State Open/Close VFD2_DI4 VFD2 DI5 State...
Page 204 APPENDIX B — CCN TABLES (CONT) Table O — SERVICE-CONFIG TABLES TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT ACTUATOR Econ Serial Number 1 0 to 9999 ECON_SN1 Econ Serial Number 2 0 to 6 ECON_SN2 Econ Serial Number 3 0 to 9999 ECON_SN3 Econ Serial Number 4...
Page 205 APPENDIX B — CCN TABLES (CONT) Table O — SERVICE-CONFIG TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT BP__ Building Press. Config 0 to 5 BLDG_CFG Building Pressure Sensor Enable/Disable BPSENS Disable Bldg. Press. (+/-) Range 0.10 to 0.25 "H2O BP_RANGE 0.25...
Page 206 APPENDIX B — CCN TABLES (CONT) Table O — SERVICE-CONFIG TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT DEHU Dehumidification Config 0 to 3 DHSELECT Dehumidification Sensor 1 to 3 DHSENSOR Econ disable in DH mode? Yes/No DHECONEN Vent Reheat Setpt Select 0 to 1 DHVHTCFG...
Page 207 APPENDIX B — CCN TABLES (CONT) Table O — SERVICE-CONFIG TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT EDTR EDT Reset Configuration 0 to 3 EDRSTCFG Reset Ratio 0 to 10 RTIO Reset Limit 0 to 20 LIMT EDT 4-20 ma Reset Input Enable/Disable EDTRSENS...
Page 208 APPENDIX B — CCN TABLES (CONT) Table O — SERVICE-CONFIG TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT IAQ_ (cont) DAQ PPM Fan On Setpoint 0 to 2000 DAQFNON Diff. AQ Responsiveness –5 to 5 IAQREACT OAQ Lockout Value 0 to 2000 OAQLOCK User determined OAQ...
Page 209 APPENDIX B — CCN TABLES (CONT) Table O — SERVICE-CONFIG TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT T24_CFG Economizer Installed? Yes/No ECON_ENA Econ.Act.2 Installed? Yes/No ECON_TWO SAT Settling Time secs SAT_SET MBB Sensor Heat Relocate Yes/No HTLATMON Log Title 24 Faults Yes/No T24LOGFL...
Page 210 APPENDIX B — CCN TABLES (CONT) Table O — SERVICE-CONFIG TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME DEFAULT VFD_CFG VFD1 Nominal Motor Volts volts VFD1NVLT VFD1 Nominal Motor Amps amps VFD1NAMP VFD1 Nominal Motor Freq VFD1NFRQ VFD1 Nominal Motor rpm VFD1Nrpm VFD1 Nominal Motor HPwr VFD1NPWR...
Page 211 APPENDIX B — CCN TABLES (CONT) Table P — MAINTENANCE DISPLAY TABLES TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS ALARMS01 Active Alarm ascii ALARM_01 –----------------------- ascii Active Alarm ascii ALARM_02 –----------------------- ascii Active Alarm ascii ALARM_03 –----------------------- ascii Active Alarm ascii ALARM_04...
Page 212 APPENDIX B — CCN TABLES (CONT) Table P — MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS COMPTRIP Comp. Security Password 0 to 10000 COMPPASS config Low Suction Trip Level 1 SSTLEV1 Low Suction Trip Level 2 SSTLEV2 Low Suction Trip Level 3 SSTLEV3...
Page 213 APPENDIX B — CCN TABLES (CONT) Table P — MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS EC_DIAG Economizer Active? Yes/No ECACTIVE Conditions which prevent economizer being active: Econ Act. Unavailable? Yes/No ECONUNAV Econ 2 Act. Unavailable? Yes/No ECN2UNAV Enth.Switch Read High?
Page 214 APPENDIX B — CCN TABLES (CONT) Table P — MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS GSOUTPUT ODF_VFD-A Actual Speed % 0 to 100 OVA_SPD ODF_VFD-B Actual Speed % 0 to 100 OVB_SPD Outdoor VFD A Ctrl Cmd% OV_A Outdoor VFD B Ctrl Cmd% OV_B...
Page 215 APPENDIX B — CCN TABLES (CONT) Table P — MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS MILLIAMP IAQ milliamps IAQ_MA OAQ milliamps OAQ_MA SP Reset milliamps SPRST_MA 4-20 ma Demand Signal DMDLMTMA forcible EDT Reset milliamps EDTRESMA OARH milliamps OARH_MA...
Page 216 APPENDIX B — CCN TABLES (CONT) Table P — MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS STAGEGAS Heating Mode………..: ascii text strings Requested Heat Stage HT_STAGE Heating Control Point HEATCPNT Staged Heat LAT Sum LAT_SGAS Staged Heat LAT 1 LAT1SGAS...
Page 217 APPENDIX B — CCN TABLES (CONT) Table P — MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS T24_DIAG Economizer Installed? Yes/No ECON_ENA config Econ.Act.2 Installed? Yes/No ECON_TWO config Return Air Temperature forcible Air Temp Lvg Supply Fan Outside Air Temperature forcible Occupied?
Page 218 APPENDIX B — CCN TABLES (CONT) Table P — MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS TESTFANS Fan Test Automatic? YES/NO FANAUTO Economizer Act.Cmd.Pos. ECONFANS Supply Fan Relay ON/OFF SFAN_TST Supply Fan Commanded % 0 to 100 SFVFDTST Power Exhaust Relay 1...
Page 219: Appendix C - Unit Staging Tables
APPENDIX C — UNIT STAGING TABLES Table R — Adaptive CV Staging Sequence Table U — VAV Digital Compressor Staging (Sizes 030,035) Sequence (Size 040) SEQUENCE SEQUENCE STAGE STAGE COMP Compressor Status COMP Compressor Status UNIT Capacity 48/50P 100% UNIT Capacity 48/50P 100% 23% to 47%...
Page 220 APPENDIX C — UNIT STAGING TABLES (CONT) Table Y — VAV and Adaptive CV Staging Sequence (Sizes 090-100) SEQUENCE STAGE COMP Compressor Status UNIT Capacity 48/50P 100% 100% NOTE(S): a. Minimum load valve. Table Z — VAV (with Digital Compressor) Staging Sequence (Sizes 090-100) SEQUENCE STAGE COMP...
Page 221: Appendix D - Vfd Information
APPENDIX D — VFD INFORMATION On units equipped with optional supply fan and/or exhaust fan Table AB outlines the VFD parameters required to initialize com- VFDs, the fan speed is controlled by a 3-phase VFD. The supply munication over the ComfortLink LEN. These parameters must be fan VFD is located in the supply fan section (030-050 size units) set correctly for any communications to occur.
Page 222 APPENDIX D — VFD INFORMATION (CONT) Table AB — VFD Communication Parameters PARAMETER INDEX PARAMETER GROUP PARAMETER TITLE HVAC DEFAULT CARRIER DEFAULT (ACS320, ACH550 / 580) Options COMM PROT SEL 9802 / 58.01 NOT SEL (0) LEN (6) / LEN (8) EFB PROTOCOL ID 5301 / 58.25...
Page 223 APPENDIX D — VFD INFORMATION (CONT) Table AE — VFD ComfortLink Control Variables CCN POINT CCN POINT PARAMETER GROUP PARAMETER TITLE PARAMETER INDEX SUPPLY FAN VFD EXHAUST FAN VFD Actual Signals FB STS WORD 1 VFD1STAT VFD2STAT Not Available SPEED (%) Not Available VFD1_SPD VFD2_SPD...
Page 224 A stationary arrow indicates that the The Start-Up Assistant will display the parameters that drive is stopped. For Carrier rooftop units, the correct rotation is need to be configured. Select the desired values and press counterclockwise.
Page 225 APPENDIX D — VFD INFORMATION (CONT) CHANGED PARAMETERS MODE The text “Restoring Parameters” will be displayed with a progress indicator. To stop the process, select ABORT The Changed Parameters mode is used to view and edit recently (SOFT KEY 1). changed parameters on the drive.
Page 226 • overriding the control panel display with the display of a Table AP lists the routine maintenance intervals recommended by fault code Carrier. • stopping the motor (if it was on) HEAT SINK • setting an appropriate bit in Fault Word parameter 0305 to 0307.
Page 227 To replace the internal enclosure fan for frame sizes R1 to R4, per- process, fan replacement is recommended once these symptoms form the following (see Fig. F): start appearing. Replacement fans are available from Carrier. Remove power from drive. To replace the main fan for frame sizes R1 through R4, perform Remove the front cover.
Page 228 UNDERLOAD UNDERLOAD CURVE. THERM FAIL Internal fault. The thermistor measuring the internal temperature of the drive is open or shorted. Contact Carrier. OPEX LINK Internal fault. A communication-related problem has been detected between the OMIO and OINT boards. Contact Carrier.
Page 229 APPENDIX D — VFD INFORMATION (CONT) VFD OPERATION START UP BY CHANGING PARAMETERS INDI- VIDUALLY The VFD keypad is shown in Fig. G-H. The functions of Initial start-up is performed at the factory. To start up the VFD by ACH550/ACS320 SOFT KEYS (1 and 2) or ACH580 ( changing individual parameters, perform the following procedure: ) change depending on what is displayed on the screen.
Page 230 APPENDIX D — VFD INFORMATION (CONT) Changed Parameters Mode The Changed Parameters mode is used to view and edit recently changed parameters on the drive. To view the changed parameters, perform the following procedure: Select MENU (press ). The Main menu will display. Use the UP or DOWN keys to highlight PARAMETERS on the display screen and press Select (press Use the UP or DOWN keys to highlight MODIFIED on the...
Page 231 APPENDIX D — VFD INFORMATION (CONT) DOWNLOAD ALL PARAMETERS FROM BACKUP Use the UP or DOWN keys to highlight I/O SETTINGS on the display screen and press SEL (press ). The I/O Set- To download all parameters from the control panel to the VFD, tings parameter list will be displayed.
Page 232 A784 Motor disconnect from motor. secured. If no issue was detected and drive output was actually connected to motor, contact Carrier. Check that the installed extension module (shown by parameter 15.02 Extension I/O configuration Installed extension module is not the...
Page 233 If diagnostics troubleshooting has determined that the drive is de- use a coin to rotate the battery holder on the back of the control fective during the warranty period, contact Carrier. panel. Replace the battery with type CR2032. Control Panel Cleaning Use a soft damp cloth to clean the control panel.
Page 234 DC circuit capacitors reforming for spare modules and spare capacitors fan replacement is recommended once these symptoms start ap- Inspections by User pearing. Replacement fans are available from Carrier. IP22 and IP42 air inlet and outlet meshes Tightness of terminals...
Page 235 APPENDIX D — VFD INFORMATION (CONT) AUXILIARY COOLING FAN REPLACEMENT IP21 and IP55 (UL Type 1 and UL Type 12) The VFD IP21 and IP55 / UL Type 1 and 12 enclosures have an additional internal fan to circulate air inside the enclosure. To replace the internal enclosure fan for frame sizes R6 to R8, per- form the following (see Fig.
Page 236 APPENDIX D — VFD INFORMATION (CONT) Fig. P — Remove Auxiliary Fan (Frame Sizes R6 up to R8) Fig. S — Remove Drive Cover (Frame Sizes R1, R2, R3, R4 and R5) Fig. Q — Remove Auxiliary Fan (Frame Sizes R6 up to R8) Fig.
Page 237 APPENDIX D — VFD INFORMATION (CONT) Fig. U — Remove Auxiliary Fan Fig. V — Remove Auxiliary Fan (Frame Sizes R3) (Frame Sizes R4 and R5)
Page 238 APPENDIX E — ACH580 BRANCH CIRCUIT PROTECTION This appendix outlines the applicable fuses that can be used for For information on approved electrical components, please reach branch circuit protection for ACH580 drives. The drive out to your local representative. ACH580 has been tested by ABB in accordance with UL Stan- VFD FUSE BOX dard 61800-5-1 on a circuit having available system fault cur- rent of 100 kA maximum using fusing protection.
Page 239 APPENDIX E — ACH580 BRANCH CIRCUIT PROTECTION (CONT) Table AM — VFD FUSE For SCCR Protection UL 248-15 Fast Acting Class T Fuses Class T modular fuse block, 600 vac/vdc ACH550 CROSS ACH580 P/N VOLTAGE(V) POWER(HP) CURRENT(AMPS) Bussmann CARRIER P/N Bussmann CARRIER P/N HK30WA002 HK30WB305 208-230 16.7...
Page 240 Fig. Y — 48P / 50P 30-100 Ton VFD Bypass Factory-Installed Option Table AN — VFD Bypass Fuse for SCCR Protection ACH550 BYPASS ACH580 BYPASS VOLTAGE POWER CURRENT FUSE BLOCK FUSE CROSS Carrier P/N (HP) (AMPS) 48ZZ402190 48ZZ000824 208-230 13.60 JM60030-3CR LPJ-25SP 48ZZ402191...
Page 241 APPENDIX E — ACH580 BRANCH CIRCUIT PROTECTION (CONT) Table AO — Alarm Codes ALARM ALARM NAME DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION CODE IN PANEL 2001 — Reserved 2002 — Reserved 2003 — Reserved The change in direction being attempted is not allowed. Do not attempt to change the direction of motor rotation, or Change 2004 DIR LOCK parameter 1003 DIRECTION to allow direction change (if reverse operation is safe).
Page 242: Appendix E - Mode Selection Process
APPENDIX F — MODE SELECTION PROCESS The following section is to be used in conjunction with Fig. 3 on page 45. To help determine why the unit controls are in a certain HVAC mode: (“Static Pres.Fail”) OFF mode, the programming logic is provided below. The software will proceed, step by step, until a mode is reached.
Page 243 APPENDIX F — MODE SELECTION PROCESS (CONT) — This is a normal cooling mode when a low cooling demand exists. HVAC mode: (“High Cool ”) — This is a normal cooling mode when a high cooling demand exists. HVAC mode: (“Low Heat ”) —...
Page 244: Appendix F - Upc Open Controller
APPENDIX G — UPC OPEN CONTROLLER The following section is used to configure the UPC Open control- As an example in Fig. Z, if the controller’s address is 25, point the ler. The UPC Open controller is mounted in a separate enclosure arrow on the Tens (10’s) switch to 2 and the arrow on the Ones below the main control box.
Page 245 EIA-485 and 2W. To wire the UPC Open controller to the BAS network: The example in Fig. AB shows the BAS Port DIP Switches set for 76.8k (Carrier default) and MS/TP. Pull the screw terminal connector from the controller’s BAS Port.
Page 246 The 48/50P units with factory-installed UPC Open controller jacket and UL temperature rating specifications list two acceptable (version 8 or later) are compatible with Carrier ZS communi- cating zone sensors. Refer to the ZS Sensor Application Guide, alternatives. The Halar...
Page 247 APPENDIX G — UPC OPEN CONTROLLER (CONT) Table AS — MS/TP Wiring Recommendations SPECIFICATION RECOMMMENDATION Cable Single twisted pair, low capacitance, CL2P, 22 AWG (7x30), TC foam FEP, plenum rated cable Conductor 22 or 24 AWG stranded copper (tin plated) Insulation Foamed FEP 0.015 in.
Page 248 For a more user friendly interface, the Carrier i-Vu ® Equipment Contact your local Carrier sales office to order an Equipment Touch and Equipment Touch app can be used to interface with the Touch or a USB Link cable for use with Equipment Touch App or Field Assistant.
Page 249 APPENDIX G — UPC OPEN CONTROLLER (CONT) NETWORK POINTS LIST CCN POINT READ/ DEFAULT BACNET BACNET OBJECT POINT DESCRIPTION UNITS RANGE NAME WRITE VALUE OBJECT ID NAME Air Temp Lvg Supply Fan °F AV:10 sat_1 0 = NORMAL Airside Linkage Alarm BV:7030 air_linkage_fail_1 1 = ALARM...
Page 250 APPENDIX G — UPC OPEN CONTROLLER (CONT) NETWORK POINTS LIST (CONT) CCN POINT READ/ DEFAULT BACNET BACNET OBJECT POINT DESCRIPTION UNITS RANGE NAME WRITE VALUE OBJECT ID NAME Maximum Damper Position 0 to 100 AV:3052 max_dmpr_pos_1 Maximum Reset inH2O AV:3054 max_reset_1 Minimum Damper Position 0 to 100...
Page 251 APPENDIX G — UPC OPEN CONTROLLER (CONT) NETWORK POINTS LIST (CONT) CCN POINT READ/ DEFAULT BACNET BACNET OBJECT POINT DESCRIPTION UNITS RANGE NAME WRITE VALUE OBJECT ID NAME User Defined Analog 12 no unit AV:2912 user_analog_12_1 User Defined Analog 13 no unit AV:2913 user_analog_13_1...
Page 252: Appendix G - Optional Motormaster
APPENDIX H — OPTIONAL MOTORMASTER ® V CONTROL which adjusts condenser fan motor speed in response to varying GENERAL liquid refrigerant pressure. A properly applied Motormaster V This appendix contains instructions for the start-up and service of control extends the operating range of air-conditioning systems the optional Motormaster V (MMV) control on 48/50P030-100 and permits operation at lower outdoor ambient temperatures.
Page 253 APPENDIX H — OPTIONAL MOTORMASTER ® V CONTROL (CONT) MOTORMASTER CONTROL Fig. AH — MMV Control Location — 48/50P050-060 Units MOTORMASTER A CONTROL MOTORMASTER B CONTROL Fig. AI — MMV Control Location — 48/50P070,075 Units...
Page 254 APPENDIX H — OPTIONAL MOTORMASTER ® V CONTROL (CONT) MOTORMASTER A CONTROL MOTORMASTER B CONTROL Fig. AJ — MMV Control Location — 48/50P090,100 Units ® Configure Motormaster V Control START-UP The Motormaster V control is configured for proportional integral The Motormaster V electronic control will be powered up as (PI) control mode.
Page 255 It is strongly recommended that the user NOT change any pro- Press MODE to store new setting. gramming without consulting Carrier service personnel. Unit Press MODE to store the new setting and also exit the damage may occur from improper programming.
Page 256 VFD. Table AX. Loss of CCN Communications The MMV control also provides real time monitoring of key in- Carrier Comfort Network (CCN) communications with external ® puts and outputs. The collective group is displayed through pa- control systems can be affected by high frequency electrical noise rameters P50 to P56 and all values are read only.
Page 257 MODE 2 MODE 4 Line Voltage: 01 = low line, 02 = high line Carrier Freq: 01 = 4 kHz, 02 = 6 kHz, 03 = 8 kHz Startup mode: flying restart Stop mode: coast to stop Standard Speed source: 01 = keypad, 04 = 4-20mA (NO PI), 05 = R22 or R410A, 06 = R134a...
Page 258 Consult factory. problem Restore factory defaults by toggling P48 to another mode. Then set P48 to desired mode to User data and Carrier defaults in the EPM Data Fault Manual restore all defaults for that mode. See Drive are corrupted.
Page 259: Appendix H - Optional Greenspeed
APPENDIX I — OPTIONAL GREENSPEED ® /LOW AMBIENT CONTROL   This appendix contains instructions for the start-up and service Unit size (Configuration UNIT SIZE) is used to determine of the optional Greenspeed/low ambient control on 48/50P020- if the second stage fans are configured to respond to a particular 060 units.
Page 260 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Fig. AL — Greenspeed/Low Ambient VFD Control Location — 48/50P030-050 Units...
Page 261 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Fig. AM — Greenspeed/Low Ambient VFD Control Location — 48/50P055-070 Units...
Page 262 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Fig. AN — Greenspeed/Low Ambient VFD Control Location — 48/50P075-100 Units...
Page 263 It is strongly recommended that the user NOT change any pro- acceptable head pressure. gramming without consulting Carrier service personnel. Unit For 48/50P090/100 size units, there are six outdoor fans that are damage may occur from improper programming.
Page 264 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BA — ACS320 VFD Greenspeed Parameters Tables, Part 1 ABB ACS320 VFD 50ZZ000346- 50ZZ000347- 50ZZ000357- 50ZZ000373- 50ZZ000374- 50ZZ000375- LOOKUP VARIABLE Parameter ID: DATA DATA DATA DATA DATA DATA 50ZZ000346 50ZZ000347 50ZZ000357 50ZZ000373 50ZZ000374 50ZZ000375...
Page 265 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BB — ACS320 VFD Greenspeed Parameters Tables, Part 2 ABB ACS320 VFD 50ZZ000615- 50ZZ000478- 50ZZ000479- 50ZZ000477- 50ZZ000482- 50ZZ000483- LOOKUP VARIABLE Parameter ID: DATA DATA DATA DATA DATA DATA 50ZZ000615 50ZZ000478 50ZZ000479 50ZZ000477 50ZZ000482 50ZZ000483...
Page 266 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BC — ACS320 VFD Greenspeed Parameters Tables, Part 3 ABB ACS320 VFD LOOKUP VARIABLE 50ZZ000602-DATA 50ZZ000603-DATA 50ZZ000604-DATA 50ZZ000437-DATA 50ZZ000439-DATA Parameter ID: 50ZZ000602 50ZZ000603 50ZZ000604 50ZZ000437 50ZZ000439 Motor Part Number HD52AR228 HD52AR465 HD52AR381 HD52AR465 HD52AR465...
Page 267 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BD — ACH550/ACH580 VFD Greenspeed Parameters Tables ABB ACS320 VFD 50ZZ000348-DATA 50ZZ000372-DATA 50ZZ000614-DATA 50ZZ000476-DATA 50ZZ000436-DATA 50ZZ000438-DATA LOOKUP VARIABLE Parameter ID 50ZZ000739-DATA 50ZZ000740-DATA 50ZZ000743-DATA 50ZZ000741-DATA 50ZZ000746-DATA 50ZZ000747-DATA 50ZZ000348 50ZZ000372 50ZZ000614 50ZZ000476 50ZZ000601 50ZZ000436 Motor Part Number HD52AR578...
Page 268 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BE — ACS320 VFD Low Ambient Parameters Tables, Part 1 ABB ACS320 VFD LOOKUP VARIABLE 48ZZ402427-DATA 48ZZ402428-DATA 50ZZ000494-DATA 50ZZ000373-DATA 50ZZ000374-DATA 50ZZ000591-DATA Parameter ID: 48ZZ402427 48ZZ402428 50ZZ000494 50zz000373 50zz000374 50ZZ000591 Motor Part Number HD52AK002 HD52AK002 HD52GE382...
Page 269 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BF — ACS320 VFD Low Ambient Parameters Tables, Part 2 ABB ACS320 VFD LOOKUP VARIABLE 50ZZ000593-DATA 50ZZ000594-DATA 50ZZ000595-DATA 50ZZ000597-DATA 50ZZ000598-DATA 50ZZ000599-DATA Parameter ID: 50ZZ000593 50ZZ000594 50ZZ000595 50ZZ000597 50ZZ000598 50ZZ000599 Motor Part Number HD52AK002 HD52AK002 HD52GE382...
Page 270 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BG — ACS320 VFD Low Ambient Parameters Tables, Part 3 ABB ACS320 VFD LOOKUP VARIABLE 48ZZ402430-DATA 48ZZ402431-DATA 50ZZ000600-DATA 50ZZ000606-DATA 48ZZ402434-DATA Parameter ID: 48ZZ402430 48ZZ402431 50ZZ000600 50ZZ000606 48ZZ402434 Motor Part Number HD52AK002 HD52AK002 HD52GE382 HD52AK002...
Page 271 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BH — ACH550/ACH580 VFD Low Ambient Parameters Tables ACH550 48ZZ402429- 50ZZ000372- 50ZZ000616- 50ZZ000592- 48ZZ402432- 50ZZ000605- 48ZZ402435- LOOKUP VARIABLE DATA DATA DATA DATA DATA DATA DATA Parameter 48ZZ402429 50ZZ000372 50ZZ000616 50ZZ000592 48ZZ402432 50ZZ000605 48ZZ402435 Motor Part Number...
Page 272 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) drive is stopped. For Carrier rooftop units, the correct rotation is VFD Operation counterclockwise. The VFD keypad is shown in Fig. AO. The function of SOFT The upper right corner shows the frequency setpoint that the drive KEYS 1 and 2 change depending on what is displayed on the will maintain.
Page 273 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) DRIVE PARAMETER BACKUP MODE 5. The text “Downloading Parameters (partial)” will be dis- played with a progress indicator. To stop the process, select The drive parameter back up mode is used to export the parame- ABORT (SOFT KEY 1).
Page 274 CONFIGURATION OVERRIDE HAZARD parameter 0404 stores the motor speed at the time of the fault. To DO NOT USE ABB OR CARRIER START-UP ASSISTANT clear the fault history (all of Group 04, Fault History parameters), ON THIS VFD APPLICATION! Use of start-up assistant will...
Page 275 UNDERLOAD CURVE. THERM FAIL Internal fault. The thermistor measuring the internal temperature of the drive is open or shorted. Contact Carrier. OPEX LINK Internal fault. A communication-related problem has been detected between the OMIO and OINT boards. Contact Carrier. OPEX PWR Internal fault.
Page 276 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) Table BJ — Alarm Codes ALARM ALARM NAME DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION CODE IN PANEL 2001 — Reserved 2002 — Reserved 2003 — Reserved The change in direction being attempted is not allowed. Do not attempt to change the direction of motor rotation, or Change 2004 DIR LOCK parameter 1003 DIRECTION to allow direction change (if reverse operation is safe).
Page 277 APPENDIX I — OPTIONAL GREENSPEED/LOW AMBIENT CONTROL (CONT) VFD Maintenance If installed in an appropriate environment, the VFD requires very little maintenance. Table BK lists the routine maintenance inter- vals recommended by Carrier. Table BK — Maintenance Intervals MAINTENANCE INTERVAL Every 6 to 12 months (depending ...
Page 278: Index
Building pressure configuration Gas system adjustment (48P only) Service test mode logic Building pressure control Greenspeed/low ambient control Set clock on VFD (if installed) Carrier Comfort Network ® (CCN) Head pressure control Single circuit stoppage CCN tables and display Heat mode diagnostic help...
Page 279 The pre-start-up checklist must be completed by installing contractor. For Carrier factory start-up, the pre-start-up checklist must be submitted to the Carrier start-up team prior to arranging start-up. Please refer to the unit submittal or air balance report for air- flow information.
Page 280 Factory-Installed Options (if equipped)  For units with manual damper, the outdoor air damper maximum position has been set.  For units with economizer, the outdoor air hood and hood screens have been installed and are clean.  For units with economizer, the outdoor air damper and return air dampers move freely without binding. ...
Page 281 INSTRUCTIONS Fill in the table to indicate the unit design information (from submittal), required control configuration, or set point if these parameters are to be configured as part of factory start-up. If left blank, the unit will be left at the default configuration and set points. Unit Operating Configuration ITEM REQUIRED CONFIGURATION OR SET POINT...
Page 282 Start-up Notes Please record any notes that the start-up technician must be aware of prior to performing equipment start-up, such as special access requirements (ladder, fall protection), any training or escort requirements, third-party control information, the presence of air terminal units or fire dampers, and any time of access restrictions (days, hours where site is not available). _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________...
Page 283 UNIT START-UP CHECKLIST (COOLING) To be completed by installing contractor or Carrier Factory Service. A copy of the checklist and log must be provided to the Carrier start-up team after start-up has been completed. NOTE: To avoid injury to personnel and damage to equipment or...
Page 284 CONTROLS SET POINT AND CONFIGURATION LOG (COOLING) MODEL NUMBER: Software Version SERIAL NUMBER: CESR131461-- DATE: CESR131465-- TECHNICIAN: CESR131465-- NAVI CESR130227-- CESR131226-- CESR131174-- MARQ CESR131171-- CESR131173-- CESR131172-- ITEM EXPANSION RANGE DEFAULT SETTING UNIT UNIT CONFIGURATION C.TYP Machine Control Type 1 to 4 (multi-text strings) SIZE Unit Size (30-100) 3 to 100...
Page 285 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING COOL (cont) COOLING CONFIGURATION DS.AP Dig Scroll Adjust Delta 0 to 100% DS.AD Dig Scroll Adjust Delay 15 to 60 sec DS.RP Dig Scroll Reduce Delta 0 to 100% DS.RD Dig Scroll Reduce Delay 15 to 60 sec...
Page 286 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING ECON ECONOMIZER CONFIGURATION EC.EN Economizer Installed? Yes/No EC2.E Econ.Act.2 Installed? Yes/No EC.MN Economizer Min.Position 0 to 100% EC.MX Economizer Max.Position 0 to 100% E.SEL Econ ChangeOver Select 0 to 3 (multi-text strings) DDB.C Diff Dry Bulb RAT Offset 0 to 3...
Page 287 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING BUILDING PRESS. CONFIGS BP.CF Building Press. Config 0 to 5 (multi-text strings) BP.S Building Pressure Sensor Enable/Disable Disable BP.R Bldg. Press. (+/-) Range 0.10 to 0.25 "H2O 0.25 BP.SP Building Pressure Setp.
Page 288 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING INDOOR AIR QUALITY CFG. DCV.C DCV ECONOMIZER SETPOINTS DCV.CEC.MN Economizer Min.Position 0 to 100% DCV.CIAQ.M IAQ Demand Vent Min.Pos. 0 to 100% DCV.CO.C.MX Economizer Min.Flow 0 to 20000 CFM 2000 DCV.CO.C.MN IAQ Demand Vent Min.Flow...
Page 289 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING CCN CONFIGURATION CCNA CCN Address 1 to 239 CCNB CCN Bus Number 0 to 239 BAUD CCN Baud Rate 1 to 5 (multi-text strings) BROD CCN BROADCST DEFINITIONS BRODTM.DT CCN Time/Date Broadcast ON/OFF...
Page 290 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING SW.LG SWITCH LOGIC: NO / NC FTS.L Filter Status Inpt-Clean Open/Close Open IGC.L IGC Feedback - Off Open/Close Open RMI.L RemSw Off-Unoc-Strt-NoOv Open/Close Open ENT.L Enthalpy Input - Low Open/Close Close SFS.L...
Page 291 START-UP LOG (COOLING) Electrical Incoming Voltage L1-L2________ L1-L3________ L2-L3________ Average Voltage ______________ (L1-L2 + L1-L3 + L2-L3) / 3 Voltage Tolerance ______________ (Average Voltage – Nameplate Voltage) / Nameplate Voltage Voltage Imbalance ______________ (Maximum Deviation Voltage / Average Voltage) x 100 The Maximum Deviation Voltage is the voltage that is furthest away from the Average Voltage.
Page 292 Start-up Notes Record any notes related to unit start-up, operation, configuration, or system status. _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ CL-14...
Page 293 The pre-start-up checklist must be completed by installing contractor. For Carrier factory start-up, the pre-start-up checklist must be submitted to the Carrier start-up team prior to arranging start-up. Please refer to the unit submittal or air balance report for air- flow information.
Page 294 Electric Heat (if equipped)  The electric heat elements have been visually inspected; no elements are touching each other.  For SCR electric heat (special order), the three LAT sensors have been installed in the supply ductwork and wired back to the unit.
Page 295 INSTRUCTIONS Fill in the table to indicate the unit design information (from submittal), required control configuration, or set point if these parameters are to be configured as part of factory start-up. If left blank, the unit will be left at the default configuration and set points. Unit Operating Configuration ITEM REQUIRED CONFIGURATION OR SET POINT...
Page 296 Start-up Notes Please record any notes that the start-up technician must be aware of prior to performing equipment start-up, such as special access requirements (ladder, fall protection), any training or escort requirements, third-party control information, the presence of air terminal units or fire dampers, and any time of access restrictions (days, hours where site is not available). _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________...
Page 297 UNIT START-UP CHECKLIST (HEATING) To be completed by installing contractor or Carrier Factory Service. A copy of the checklist and log must be provided to the Carrier start-up team after start-up has been completed. NOTE: To avoid injury to personnel and damage to equipment or...
Page 298 CONTROLS SET POINT AND CONFIGURATION LOG (HEATING) MODEL NUMBER: Software Version SERIAL NUMBER: CESR131461-- DATE: CESR131465-- TECHNICIAN: CESR131465-- NAVI CESR130227-- CESR131226-- CESR131174-- MARQ CESR131171-- CESR131173-- CESR131172-- ITEM EXPANSION RANGE DEFAULT SETTING UNIT UNIT CONFIGURATION C.TYP Machine Control Type 1 to 4 (multi-text strings) SIZE Unit Size (30-100) 3 to 100...
Page 299 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING COOL (cont) COOLING CONFIGURATION DS.AP Dig Scroll Adjust Delta 0 to 100% DS.AD Dig Scroll Adjust Delay 15 to 60 sec DS.RP Dig Scroll Reduce Delta 0 to 100% DS.RD Dig Scroll Reduce Delay 15 to 60 sec...
Page 300 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING ECON ECONOMIZER CONFIGURATION EC.EN Economizer Installed? Yes/No EC2.E Econ.Act.2 Installed? Yes/No EC.MN Economizer Min.Position 0 to 100% EC.MX Economizer Max.Position 0 to 100% E.SEL Econ ChangeOver Select 0 to 3 (multi-text strings) DDB.C Diff Dry Bulb RAT Offset 0 to 3...
Page 301 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING BUILDING PRESS. CONFIGS BP.CF Building Press. Config 0 to 5 (multi-text strings) BP.S Building Pressure Sensor Enable/Disable Disable BP.R Bldg. Press. (+/-) Range 0.10 to 0.25 "H2O 0.25 BP.SP Building Pressure Setp.
Page 302 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING INDOOR AIR QUALITY CFG. DCV.C DCV ECONOMIZER SETPOINTS DCV.CEC.MN Economizer Min.Position 0 to 100% DCV.CIAQ.M IAQ Demand Vent Min.Pos. 0 to 100% DCV.CO.C.MX Economizer Min.Flow 0 to 20000 CFM 2000 DCV.CO.C.MN IAQ Demand Vent Min.Flow...
Page 303 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING CCN CONFIGURATION CCNA CCN Address 1 to 239 CCNB CCN Bus Number 0 to 239 BAUD CCN Baud Rate 1 to 5 (multi-text strings) BROD CCN BROADCST DEFINITIONS BRODTM.DT CCN Time/Date Broadcast ON/OFF...
Page 304 CONTROLS SET POINT AND CONFIGURATION LOG (cont) ITEM EXPANSION RANGE DEFAULT SETTING SW.LG SWITCH LOGIC: NO / NC FTS.L Filter Status Inpt-Clean Open/Close Open IGC.L IGC Feedback - Off Open/Close Open RMI.L RemSw Off-Unoc-Strt-NoOv Open/Close Open ENT.L Enthalpy Input - Low Open/Close Close SFS.L...
Page 305 START-UP LOG (HEATING) Electrical Incoming Voltage L1-L2________ L1-L3________ L2-L3________ Average Voltage ______________ (L1-L2 + L1-L3 + L2-L3) / 3 Voltage Tolerance ______________ (Average Voltage – Nameplate Voltage) / Nameplate Voltage Voltage Imbalance ______________ (Maximum Deviation Voltage / Average Voltage) x 100 The Maximum Deviation Voltage is the voltage that is furthest away from the Average Voltage.
Page 306 _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ © 2023 Carrier Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53480461-01 Printed in U.S.A. Form No. 48-50P-13T Rev.A Pg CL-28...

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