Carrier AQUASNAP 30RB060-390 Controls, Start-Up, Operation, Service And Troubleshooting Instructions
Carrier AQUASNAP 30RB060-390 Controls, Start-Up, Operation, Service And Troubleshooting Instructions

Carrier AQUASNAP 30RB060-390 Controls, Start-Up, Operation, Service And Troubleshooting Instructions

Air-cooled liquid chillers
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Table of Contents

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Controls, Start-Up, Operation, Service
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . .2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Conventions Used in This Manual . . . . . . . . . . . . . . . . . . .3
Basic Control Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-43
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Main Base Board (MBB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Scroll Protection Module (SPM). . . . . . . . . . . . . . . . . . . . . .7
Fan Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Reverse Rotation Board . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
PROTECTION
Enable-Off-Remote Contact Switch . . . . . . . . . . . . . . . . .13
Emergency On/Off Switch . . . . . . . . . . . . . . . . . . . . . . . . . .13
Energy Management Module (EMM) . . . . . . . . . . . . . . . .14
Heat Reclaim (EMM HR) . . . . . . . . . . . . . . . . . . . . . . . . . .15
Local Equipment Network . . . . . . . . . . . . . . . . . . . . . . . . . .16
Board Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Control Module Communication . . . . . . . . . . . . . . . . . . . .16
®
Configuration Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Dual Chiller Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Capacity Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Head Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
• LOW AMBIENT TEMPERATURE HEAD PRESSURE
Cooler Pump Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Machine Control Methods . . . . . . . . . . . . . . . . . . . . . . . . . .32
• CCN CONTROL
Cooling Set Point Selection . . . . . . . . . . . . . . . . . . . . . . . .33

• SET POINT 2

Temperature Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Demand Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53300028-01
and Troubleshooting
CONTENTS
Page
(CCN) Interface . . . . . . . . . .16
Printed in U.S.A.
Form 30RB-3T
Air-Cooled Liquid Chillers
• CCN LOADSHED CONTROLLED
Remote Alarm and Alert Relays . . . . . . . . . . . . . . . . . . . . 41
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43,44
System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44,45
Actual Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Operating Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
• TEMPERATURES
• MINIMUM FLUID LOOP VOLUME
• FLOW RATE REQUIREMENTS
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-49
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Dual Chiller Sequence of Operation . . . . . . . . . . . . . . . . 45
Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Optional Heat Reclaim Module . . . . . . . . . . . . . . . . . . . . . 49
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49-57
Electronic Expansion Valve (EXV) . . . . . . . . . . . . . . . . . . 49
• EXV TROUBLESHOOTING PROCEDURE
Cooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
• FREEZE PROTECTION
• LOSS OF FLUID FLOW PROTECTION
• TUBE PLUGGING
• RETUBING
• CHILLED WATER FLOW SWITCH
RTPF Condenser Coil Maintenance and Cleaning
Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
• REMOVE SURFACE LOADED FIBERS
• PERIODIC CLEAN WATER RINSE
MCHX Condenser Coil Maintenance and Cleaning
Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Condenser Fans. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Refrigerant Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
• LEAK TESTING
• REFRIGERANT CHARGE
Safety Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
• CRANKCASE HEATERS
Relief Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
• HIGH-SIDE PROTECTION
• LOW-SIDE PROTECTION
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
• COMPRESSOR REPLACEMENT
MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Recommended Maintenance Schedule . . . . . . . . . . . . . 57
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . 57-81
Alarms and Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Pg 1
12-09
®
AQUASNAP
30RB060-390
Page
Replaces: 30RB-2T

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Summary of Contents for Carrier AQUASNAP 30RB060-390

  • Page 1: Table Of Contents

    • YELLOW LED • CHILLED WATER FLOW SWITCH (CCN) Interface ..16 Carrier Comfort Network ® RTPF Condenser Coil Maintenance and Cleaning Configuration Options......17 Recommendations .
  • Page 2: Safety Considerations

    CONTENTS (cont) Page CAUTION Sensors..........71 This unit uses a microprocessor-based electronic control Thermistors .
  • Page 3: Conventions Used In This Manual

    ENTER arrow keys to change the number and press to accept ENTER The CCN (Carrier Comfort Network ® ) point names are also referenced in the local display tables for users configuring the the digit. Continue with the remaining digits of the password.
  • Page 4  in Run Status VIEW). In addition, the password will be dis- to the Configuration mode. Press to obtain access to ENTER abled, requiring that it be entered again before changes can be this mode. The display will read: made to password protected items. Press the ESCAPE key to >...
  • Page 5: Controls

    Information is transmitted between modules via a 3-wire communication bus or LEN (Local Equipment Network). The CCN (Carrier Comfort Network) bus is also supported. Con- CONTROLS nections to both LEN and CCN buses are made at TB3. For a...
  • Page 6 MBB-J1B Power (24 vac supply) — — — 24 vac Ground MBB-J9A, MBB-J9B, MBB-J9C, MBB-J9D Local Equipment Network — — — MBB-J12 Carrier Comfort Network ® — — — (CCN) External Chilled   PMPI Switch INPUTS GEN.I LOCK MBB-J4-CH15A...
  • Page 7: Scroll Protection Module (Spm)

    There is one Scroll Protection Module (SPM) — SPM-B2 DIP SPM per compressor and it is responsible for controlling that Switch compressor. See Fig. 4. The device controls the compressor Address: OFF ON OFF OFF OFF ON OFF OFF contactor and the compressor crankcase heater. The SPM mod- ule also monitors the compressor motor temperature, and cir- SPM-B3 DIP Switch...
  • Page 8: Electronic Expansion Valve (Exv) Board

    information for EXV1 and EXV2. See Tables 5 and 6 for EXV Electronic Expansion Valve (EXV) Board — inputs and outputs. least one EXV board is used in all machines. There is one EXV board for 2 circuit machines. Three circuit machines have two EXV boards.
  • Page 9: Fan Boards

    COMM J4 257-01 STATUS (LEN) LOCATION OF SERIAL NUMBER MOV1 24VAC 12/11 Fig. 5 — EXV Board At least one fan board is installed in each Fan Boards — FAN BOARD 1 unit. See Fig. 6 and 7. There are two types of fan boards, with DIP Switch and without an analog output signal for the low ambient head Address:...
  • Page 10 Table 6 — EXV2 Inputs and Outputs CONNECTION POINT SCROLLING MARQUEE DESCRIPTION INPUT/OUTPUT I/O TYPE POINT NAME Notation EXV2-J1 Power (24 vac supply) — — — 24 vac Ground EXV2-J4 — Local Equipment Network — — – EXV2J3   Circuit C Suction Gas Thermistor SGTC 5k Thermistor...
  • Page 11 Table 7 — Fan Board 1 (AUX1, AUX2) Outputs* CONNECTION POINT SCROLLING MARQUEE DESCRIPTION INPUT/OUTPUT I/O TYPE POINT NAME Notation FB1-J1 Power (24 vac supply) — — — 24 vac Ground FB1-J9 Local Equipment Network — — — FB1-CH9 Circuit A Low Ambient ...
  • Page 12 LOCATION OF DIP SWITCH SERIAL NUMBER STATUS SIO (LEN) Fig. 7 — Fan Board (AUX 2) without Low Ambient Temperature Head Pressure Control Table 8 — Fan Board 2 (AUX1, AUX2) Outputs* CONNECTION POINT SCROLLING MARQUEE DESCRIPTION INPUT/OUTPUT I/O TYPE POINT NAME Notation FB2-J1...
  • Page 13: Reverse Rotation Board

    when it is required to shut the chiller off immediately. Power The reverse rotation Reverse Rotation Board — to the MBB, energy management module, and scrolling board monitors the three-phase electrical system to provide marquee display is interrupted when this switch is off and all phase reversal, phase loss and under-voltage protection.
  • Page 14: Energy Management Module (Emm)

    Table 9 — Fan Board 3 (AUX1) Inputs and Outputs CONNECTION POINT SCROLLING MARQUEE (Unit Size) DESCRIPTION INPUT/OUTPUT I/O TYPE POINT NAME Notation FB3-J1 Power (24 vac supply) — — — 24 vac Ground FB3-J9 Local Equipment Network — — —...
  • Page 15: Energy Management Module

    Energy Management Module Heat Reclaim The EMM HR is available as a factory- (EMM HR) — CAUTION installed option. The EMM HR communicates the status of all of the inputs with the MBB. The MBB then determines the ap- Care should be taken when interfacing with other manufac- propriate operating mode.
  • Page 16: Local Equipment Network

    8-position DIP switches. Addresses for all boards are listed with the input/ Carrier Comfort Network (CCN) Interface — output tables for each board. 30RB units can be connected to the CCN, if desired. The com-...
  • Page 17: Configuration Options

    between the control point and leaving fluid temperature. If the Table 12 — CCN Communication Bus Wiring difference is greater than 4° F (2.2° C) and the rate of change (°F or °C per minute) is more than the configured Cool Ramp PART NUMBER MANUFACTURER ...
  • Page 18 Table 13 — Configuring the Master Chiller MODE KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENT CONFIGURATION DISP ENTER UNIT SERV OPTN Confirm address of chiller. The master and slave chiller ENTER CCNA CCN Address must have different addresses. ENTER Factory default address is 1. CCNA ESCAPE Confirm the bus number of the chiller.
  • Page 19 Table 14 — Configuring the Slave Chiller MODE KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENT CONFIGURATION DISP ENTER UNIT SERV OPTN CCNA CCN Address Confirm address of chiller. The master and slave chiller ENTER must have different addresses. Factory default address is 1. The slave chiller address ENTER must match what was programmed in the Master Chiller SLVA item.
  • Page 20: Capacity Control

    The Lag Unit Pump Select configuration must be set available at all stages for better temperature control. If consistently. If pump control is NOT being used, set Con- Minimum Load Control is enabled for high ambient control    ...
  • Page 21 Table 16 — Compressor Stages and Circuit Cycling, Example 1 CIRCUIT A CIRCUIT B CIRCUIT C TOTAL STAGE Cir. Cir. Cir. CAP. Cap. Cap. Cap. LEGEND NOTES: 1. Total Cap. (Total Unit Capacity) and Cir. Cap. (Circuit Capacity) MLC — Minimum Load Control are approximate percentage values.
  • Page 22: Capacity Control Overrides

    Table 18 — Compressor Stage and Circuit Cycling, Example 3 CIRCUIT A CIRCUIT B CIRCUIT C TOTAL STAGE CAP. Cir. Cap. Cir. Cap. Cir. Cap. LEGEND NOTES: 1. Total Cap. (Total Unit Capacity) and Cir. Cap. (Circuit Capacity) MLC — Minimum Load Control are approximate percentage values.
  • Page 23   (Configuration SERV LOSP) + 2.0° F (1.1º C) then re- Override #13: Minimum On/Off and Off/On Time Delay — move a stage of capacity. Whenever a capacity step change has been made, either with Minimum Load Control or a compressor, the control will re- NOTE: The freeze set point is 34 F (1.1 C) for fresh water main at this capacity stage for the next 90 seconds.
  • Page 24: Head Pressure Control

    If any of these conditions are met, the appropriate operating If any of these conditions 1, 2, 3 or 4 are met, the appropri- mode, 21 (Circuit A), 22 (Circuit B) or 23 (Circuit C) will be in ate operating mode, 21 (Circuit A), 22 (Circuit B) or 23 effect.
  • Page 25 FAN STAGE MODEL CIRCUIT LOCATION Fan Number — — — Fan Board/Channel FB1/CH1 FB1/CH2 FB1/CH3 — — — 060,070 Fan Number — — — — — Fan Board/Channel FB1/CH5 — — — — — Fan Number — — — — Fan Board/Channel FB1/CH1 FB1/CH2...
  • Page 26 DIP SWITCH 2 AOUT+ AOUT- P+ N- 12 13 14 15 DIN1 DIN2 DIN3 24V+ 0V RLB RLC ENABLE JUMPER 10V+ 0V AIN+ AIN- TO CONDENSER FAN MOTOR Fig. 13 — Low Ambient Temperature Control Power Wiring – 0-10 VDC FROM FAN BOARD NOTE: For 575-v units, jumper terminals are 5 and 9.
  • Page 27 Quick Commissioning with the Siemens VFD Operator Troubleshooting the Siemens VFD with the Operating Panel Panel (P0010=1) — It is important that parameter P0010 is — Warnings and faults are displayed on the operating panel used for commissioning and P0003 is used to select the num- with Axxx and Fxxx.
  • Page 28 P0010 Start Quick Commissioning Ready to Run Quick Commissioning P0700 Selection of Command Source 30 Factory Setting (on/off/reverse) NOTE: P0010 must always be set back to ‘0’ before operating 0 Factory Setting the motor. However if P3900 = 1 is set after commissioning this 1 Basic Operator Panel is done automatically.
  • Page 29 Table 22 — Siemens VFD Low Ambient Temperature Controller Fault Messages FAULT POSSIBLE CAUSES TROUBLESHOOTING F0001 • Motor power does not correspond to the Check the following: Overcurrent inverter power 1. Motor power (P0307) must correspond to inverter power (P0206) •...
  • Page 30 Table 23 — Siemens VFD Alarm Messages FAULT POSSIBLE CAUSES TROUBLESHOOTING A0501 • Motor power does not correspond to the 1. Check whether the motor power corresponds to the drive power Current Limit drive power 2. Check that the cable length limits have not been exceeded •...
  • Page 31: Cooler Pump Control

    MODE STOP CALL CALL LED/KEY DESCRIPTION LED/KEY DESCRIPTION Display Illuminates when a run command is applied to the drive MODE Press to select the Keypad mode. Modes are: Run RUN LED controller. Flashes when a speed reference is present mode (default on power-up), Programming mode, and with the run command.
  • Page 32: Machine Control Methods

    OPER). Options to control the machine locally via a switch, er than 64, an occupancy flag is broadcast over the CCN every on a local Time Schedule, or via a Carrier Comfort Network ® time it transitions from occupied to unoccupied or vice-versa.
  • Page 33: Unit Run Status

    CCN CONTROL — An external CCN device such as Chill- CSP.1) when the Dual Set Point switch contacts are open and   ervisor controls the On/Off state of the machine. This CCN Cooling Set Point 2 (Set Point COOL CSP.2) when they device forces the variable CHIL_S_S between Start/Stop to are closed.
  • Page 34   Other, indirect means of estimating building load and con- COOL CRO2) and Degrees Cool Reset (Setpoints  trolling temperatures reset are also available and are discussed COOL DGRC). In the following example, the outdoor air below. See Fig. 20. temperature reset example provides 0°...
  • Page 35 DESIGN RISE (TYPICAL) LOADING (%) LEGEND EWT — Entering Water Temperature LWT — Leaving Water Temperature Fig. 20 — Chilled Water Temperature Control (EXAMPLE) OUTDOOR TEMPERATURE (F) Fig. 21 — Outdoor Air Temperature Reset...
  • Page 36 Table 27 — Water Temperature Difference Reset Configuration MODE KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENT CONFIGURATION DISP ENTER UNIT SERV OPTN RSET Reset Cool and Heat Tmp CRST Cooling Reset Type ENTER No Reset ENTER No Reset Flashing to indicate Edit mode. May require Password ENTER Delta T Temp Use up or down arrows to change value to 2.
  • Page 37 Table 28 — OAT Reset Configuration MODE KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENT CONFIGURATION DISP ENTER UNIT SERV OPTN RSET Reset Cool and Heat Tmp CRST Cooling Reset Type ENTER No Reset ENTER No Reset Flashing to indicate Edit mode. May require Password ENTER Out Air Temp Use up or down arrows to change value to 1.
  • Page 38 To use Space Temperature Reset in addition to the energy following example, at 4 mA no reset takes place. At 20 mA, management module, four variables must be configured. They 5° F (2.8° C) chilled water set point reset is required. See ...
  • Page 39 Table 29 — Space Temperature Reset Configuration MODE KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENT CONFIGURATION DISP ENTER UNIT SERV OPTN RSET Reset Cool and Heat Tmp CRST Cooling Reset Type ENTER No Reset ENTER No Reset Flashing to indicate Edit mode. May require Password ENTER Space Temp Use up or down arrows to change value to 4.
  • Page 40 Table 30 — 4 to 20 mA Temperature Reset Configuration MODE KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENT CONFIGURATION DISP ENTER UNIT SERV OPTN RSET Reset Cool and Heat Tmp CRST Cooling Reset Type ENTER No Reset ENTER No Reset Flashing to indicate Edit mode. May require Password ENTER 4-20 mA Input Use up or down arrows to change value to 3.
  • Page 41: Demand Limit

    EXTERNALLY POWERED (4 to 20 mA Controlled) — The Demand limit is a feature that allows Demand Limit — energy management module is required for 4 to 20 mA the unit capacity to be limited during periods of peak energy demand limit control.
  • Page 42 Table 31 — 2-Step Demand Limit Configuration MODE KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENT CONFIGURATION DISP ENTER UNIT SERV OPTN RSET Reset Cool and Heat Tmp CRST ENTER HRST DMDC Demand Limit Select None ENTER None Flashing to indicate Edit mode. May require Password ENTER Switch Use up or down arrows to change value to 1.
  • Page 43: Pre-Start-Up

    24 hours. See Oil Charge section for 3. Open liquid line shut off valves. Carrier-approved oils. 4. Fill the chiller fluid circuit with clean water (with recom- 7. Electrical power source must agree with unit nameplate.
  • Page 44: Start-Up

    (3.25 L per kW) of chiller nominal capacity for air equipped. Contact a Carrier representative for details. conditioning and at least 6 gallons per ton (6.5 L per kW) for...
  • Page 45: Operation

    FLOW RATE REQUIREMENTS — Standard chillers should equipped) and finishing with the last running compressor. Once be applied with nominal flow rates within those listed in the minimum load control is disabled, one compressor is Minimum and Maximum Cooler Flow Rates table. Higher or shut down.
  • Page 46: Operating Modes

     If the lag chiller’s water pump was not started when the ma- Action Taken — The Active Setpoint (Run Status VIEW  chines went into occupied mode, then the lag chiller water SETP) will be modified according to the programmed pump will be started.
  • Page 47 the accuracy of the outside air, entering and leaving water 2 machines programmed, one as the master (Configuration   thermistors. RSET MSSL=1 [Master]) and the other as a slave   (Configuration RSET MSSL=2 [Slave]).   MODE 7 (Operating Mode MODE MD07) —...
  • Page 48 Criteria for Mode — Tested when the unit is ON. This mode Criteria for Mode — This mode is tested for when any circuit   is active when Ice Setpoint (Setpoints COOL CSP.3) is is running. The circuit saturated condensing and suction tem- in use.
  • Page 49: Optional Heat Reclaim Module

    3 seconds later. After one minute or when the subcooling value For chillers with Optional Heat Reclaim Module — is above 13.2° F, the heat reclaim operation is effective. the heat reclaim option, Configuration→UNIT→RECL should be set to YES from the factory. Heat reclaim entering water temperature (HEWT), leaving water temperature (HLWT), heat reclaim pump hours This option requires the installation of an additional board.
  • Page 50 1. Cable 2. Glass Seal 3. Motor Housing 4. Stepper Motor 5. Bearing 6. Lead Screw 7. Insert 8. Valve Piston 9. Valve Seat 10. Valve Port Fig. 25 — Cutaway View of the Electronic Expansion Valve The MBB controls the superheat leaving cooler to approxi- actuator should be felt moving through the EXV.
  • Page 51: Cooler

    CP.xn) for the circuit. presence of moisture, replace filter drier(s). There is one filter Let compressor run until gage on suction pressure port drier on each circuit. Refer to Carrier Standard Service reads 10 psig. Press to turn Techniques Manual, Chapter 1, Refrigerants, for details on...
  • Page 52 Carrier representative to find out For the 30RB150-390 coolers, the pass partition has a perfo- how the number and location of tubes can affect unit capacity. rated distribution plate in the inlet pass to more uniformly Fig.
  • Page 53: Tightening Cooler Head Bolts

    This cleaner is available 060-100 from Carrier Replacement parts division as part number 110-300 P902-0301 for a one gallon container, and part number P902-0305 for a 5 gallon container. It is recommended that all...
  • Page 54 Fig. 28 — Bolt Tightening Sequence, 30RB060,070 Fig. 29 — Bolt Tightening Sequence, 30RB080-100 15 8 Fig. 30 — Bolt Tightening Sequence, 30RB110-130 13 9 13 9 Fig. 31 — Bolt Tightening Sequence, 30RB150-190, 315A/B, 345A/B, 360A/B, 390A/B...
  • Page 55: Recommendations

    Fig. 32 — Bolt Tightening Sequence, 30RB210-300 Totaline Environmentally Sound Coil Cleaner Application 9. Interior and exterior finned areas must be thoroughly Equipment cleaned. • 2 gallon garden sprayer 10. Finned surfaces should remain wet with cleaning solution • water rinse with low velocity spray nozzle. for 10 minutes.
  • Page 56: Refrigerant Circuit

    grease. If fan motor must be removed for service or replace- oil in crankcase when compressor is not running. Heater power ment, be sure to regrease fan shaft and reinstall fan guard. The source is control power transformer. fan motor has a step in the motor shaft. For proper perfor- mance, fan should be positioned such that it is securely seated IMPORTANT: Never open any switch or disconnect on this step.
  • Page 57: System Burnout Cleanup Procedure

    Change liquid line filter drier/core if necessary. Replace with present. If an Alert is active, the Alarm Indicator LED will standard filter drier/core once circuit is clean. Use the Carrier blink. If an Alarm is active, the Alarm Indicator LED will Standard Service Techniques Manual as a reference source.
  • Page 58 Table 40 — Troubleshooting SYMPTOM POSSIBLE CAUSE POSSIBLE REMEDY Unit Does Not Run Check for power to unit • Check overcurrent protection device. • Check non-fused disconnect (if equipped). • Restore power to unit. Low refrigerant charge Check for leak and add refrigerant. Wrong or incorrect unit configuration Check unit configuration.
  • Page 59 Table 41 — Alarm Codes (cont) PREFIX SUFFIX ACTION TAKEN RESET DESCRIPTION REASON FOR ALARM PROBABLE CAUSE CODE CODE BY CONTROL TYPE Loss of Communication with Compressor Board A1 Loss of Communication with Compressor Board A2 Loss of Communication with Compressor Board A3 Loss of Communication with Compressor Board A4...
  • Page 60 Table 41 — Alarm Codes (cont) PREFIX SUFFIX ACTION TAKEN RESET DESCRIPTION REASON FOR ALARM PROBABLE CAUSE CODE CODE BY CONTROL TYPE EXV, fan control, and pump oper- ate as normal to Controls determine com- One or more circuit com- Circuit A Welded Contactor save compressor pressor is still running...
  • Page 61 Automatic trol power to the main Failure machines has been lost. machines base board to either module. Unit shuts down Carrier Comfort Net- Emergency Stop com- Unit is in Emergency Stop or not allowed to Automatic work ® Emergency Stop mand has been received.
  • Page 62 Table 41 — Alarm Codes (cont) PREFIX SUFFIX ACTION TAKEN RESET DESCRIPTION REASON FOR ALARM PROBABLE CAUSE CODE CODE BY CONTROL TYPE Circuit A Discharge Transducer Circuit B Discharge Transducer Faulty transducer, wiring Circuit shut down error, failed Main Base Circuit C Discharge Transducer or not allowed to Automatic...
  • Page 63: Diagnostic Alarm Codes And Possible

    A3.02 — Compressor A3 A4.02 — Compressor A4 Alarm B1.02 — Compressor B1 Alarm Descriptor B2.02 — Compressor B2 B3.02 — Compressor B3 Alarm Prefix A1 – Compressor A1 Failure B4.02 — Compressor B4 A2 – Compressor A2 Failure C1.02 — Compressor C1 A3 –...
  • Page 64 Motor Sensor PTC Out of Range A2.06 – Compressor A2 A3.06 – Compressor A3 A1.04 — Compressor A1 A4.06 – Compressor A4 A2.04 — Compressor A2 B1.06 – Compressor B1 A3.04 — Compressor A3 B2.06 – Compressor B2 A4.04 — Compressor A4 B3.06 –...
  • Page 65 Possible Causes — If this condition is encountered, check the communication with Fan Board 3 is lost for a period of 10 sec- following items: onds, the alarm will be triggered. • Check the power supply to EXV1. Action to be Taken — If running, Circuit C will shut down nor- •...
  • Page 66   Possible Causes — If this condition is encountered, check the Slave machine (Configuration RSET MSSL=1 and Con-   following items: figuration RSET MSSL=2), and one of the following • Check the power supply to heat reclaim board. configuration errors has been found.
  • Page 67 Table 43 — Master/Slave Alarm Code ERROR MASTER SLAVE DESCRIPTION CODE The master or slave water pump is not configured while the control of the lag unit pump is required (lag_pump = 1) Master and slave units have the same network address. There is no slave configured at the slave address Slave pump_seq incorrect configuration There is a conflict between the master and the slave LWT option: the master is configured for EWT control...
  • Page 68 cooler interlock failure. This alarm is generated if one of the differential across the compressor to prove proper rotation of following criteria is met: the compressor. 1. The circuit (flow switch and optional pump interlock in- During normal operation with the start of a compressor, the stalled at TB5-1 and 2) fails to close within the OFF to discharge pressure for the circuit or the compressor differential ...
  • Page 69: Discharge Transducer Failure

    • Check the condenser coils for debris or restriction. Criteria for Trip — The criterion is tested whether the units are • Check the condenser fans and motors for proper rotation ON or OFF and the machine receives a Carrier Comfort Net- and operation. work (CCN) command for an Emergency Stop.
  • Page 70: Suction Transducer Failure

     Action to be Taken — The circuit is shut down normally, or not Time Clock MCFG have been enabled. The alarm will be allowed to start. generated if the one of the following configuration errors is detected by the control. The “nn” refers to the error code listed Reset Method —...
  • Page 71: Sensors

    outside the range of –40 F (–40 C) to 240 F (115.6 C). This • Check for a faulty thermistor. alarm is for units with the heat reclaim option only. For thermistor descriptions, identifiers and connections, see Action to be Taken — None Thermistors on this page.
  • Page 72 (SEN) and a RJ11 female connector. The RJ11 connector is used access into the Carrier Comfort Network (CCN) at the sensor. IMPORTANT: The cable selected for the RJ11 connector wiring MUST be identical to the CCN To connect the space temperature sensor (see Fig.
  • Page 73 Table 46A — 5K Thermistor Temperature (°F) vs Resistance TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE (Ohms) (Ohms) (Ohms) 7,686 1,190 –25 98,010 7,665 1,165 –24 94,707 7,468 1,141 –23 91,522 7,277 1,118 –22 88,449 7,091 1,095 –21 85,486 6,911 1,072 –20 82,627 6,735...
  • Page 74: Service Test

    Table 46B — 5K Thermistor Temperature (°C) vs Resistance/Voltage TEMP RESISTANCE TEMP RESISTANCE TEMP RESISTANCE (Ohms) (Ohms) (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 73,580 5,971 –26...
  • Page 75 T.REQ value to ON and press . Manual Control the Service Test mode. Press to access TEST. Use ENTER ENTER mode is now active. Press the arrow keys to move to the appro- key until the display reads QUIC. Press ENTER priate item.
  • Page 76 Test the condenser fans, cooler pump(s) and alarm relay by turn a compressor, circuit or the machine off if required. Any changing the item values from OFF to ON. These discrete other mode or sub-mode can be accessed, viewed, or changed outputs are then turned off if there is no keypad activity for during the Manual Control mode only.
  • Page 77 ????????? ????????? ??????? ??????? ???? ??????? ?????? ?????? ? ? ? ? ? ? ??????? ? ? ? ? ? ? ? ? ?????????????????????? ????? ????? ????????? ???????????????????????? ?????? ??????? ??????????????? ????????????????????????? ???????????????????????????? ????? ??? ??? ??? ??? ??? ???? ???? ????????? ???????????????? ?????
  • Page 78 ????????? ????????? ??????? ??????? ???? ?????? ??????? ?????? ? ? ? ? ? ? ??????? ? ? ? ? ? ? ? ? ?????????????????????? ????? ????? ??????? ????????? ?????? ???????????????????????? ??????????????? ????? ????????????????????????? ???????????????????????????? ??? ??? ??? ??? ??? ????????? ???? ???? ????? ????????????????
  • Page 79 ? ? ? ? ? ? ??????? ????????? ????????? ? ? ? ? ? ? ? ? ?????????????????????? ????? ??????? ????? ???? ??????? ??????? ?????? ??????? ?????? ????? ???? ???? ????????? ?????? ???????????????? ???????????????????????? ??????????????????????????? ??????????????? ????????????????????????? ???????????????????????????? ??? ??? ??? ??? ??? ????????? ?????
  • Page 80 ??????? ??????? ? ? ? ? ? ? ??????? ???? ?????? ??????? ?????? ?????? ? ? ? ? ? ? ? ? ????? ?????????????????????? ?????? ?????? ??????? ??????? ????? ????????? ???????????????????????? ???? ???? ?????? ??????????????? ????????????????????????? ???????????????????????????? ??? ??? ??? ??? ??? ???????????????? ?????????
  • Page 81 a30-4622 Fig. 41 — Heat Reclaim Control Schematic...
  • Page 82 APPENDIX A — LOCAL DISPLAY TABLES MODE — RUN STATUS WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS VIEW AUTO VIEW OF RUN STATUS 3,33,  Entering Fluid Temp XXXX.X 0-100 STATEGEN (deg F/deg C)  Leaving Fluid Temp XXX.X 0-100...
  • Page 83 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — RUN STATUS (cont) WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS FAN RUN HOURS  FR.A1 Fan 1 Run Hours Cir A XXXX (hours) 0-999000* forcible FANHOURS hr_fana1 ...
  • Page 84 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — SERVICE TEST WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS TEST COMPRESSORS  T.REQ Manual Sequence OFF/ON* forcible service_test 51,74  CP.A1 Compressor A1 Output OFF/ON forcible comp_serv_a_1 ...
  • Page 85 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — TEMPERATURE WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS UNIT ENT AND LEAVE UNIT TEMP  Water Exchanger Enter XXX.X –45-245 F STATEGEN 6,46 (deg F/deg C) (–43-118 C) ...
  • Page 86 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — SET POINTS WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS COOL COOLING SETPOINTS  CSP.1 Cooling Setpoint 1 XXXX.X –20-70 F forcible SETPOINT csp1 32,33, (deg F/deg C) (–29-21 C), Default = 44.0 ...
  • Page 87 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — OUTPUTS WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS CIR.A OUTPUTS CIRCUIT A  CP.A1 Compressor A1 Relay OFF/ON CIRCA_D CP_A1  CP.A2 Compressor A2 Relay OFF/ON CIRCA_D CP_A2 ...
  • Page 88 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — CONFIGURATION WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT DEFAULT STATUS TABLE POINT DISP DISPLAY CONFIGURATION  TEST Test Display LED’s OFF/ON display_test  METR Metric Display US/METR DISPCONF DISPUNIT  LANG Language Selection 0=English DISPCONF LANGUAGE...
  • Page 89 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — CONFIGURATION (cont) PAGE ITEM EXPANSION UNITS RANGE COMMENT DEFAULT CCN TABLE CCN POINT OPTN UNIT OPTIONS 2 CONTROLS  CCNA CCN Address 1-239 CCNA  CCNB CCN Bus Number 0-239 CCNB ...
  • Page 90 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — TIMECLOCK WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS TIME TIME OF DAY  HH.MM Hour and Minute XX.XX 00.00-23.59 forcible* HH.MM DATE MONTH DATE DAY AND YEAR ...
  • Page 91 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — TIMECLOCK (cont) WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS SCH1 TIME SCHEDULE 1  PER.7 Period 7 Occ/Unocc Sel   PER.7 OCC.7 Occupied Time XX.XX 00.00-23.59 forcible OCCP01S...
  • Page 92 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — TIMECLOCK (cont) WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS  PER.7 Period 7 Occ/Unocc Sel   PER.7 OCC.7 Occupied Time XX.XX 00.00-23.59 forcible OCC2P02S OCCTOD7 ...
  • Page 93 APPENDIX A — LOCAL DISPLAY TABLES (cont) MODE — OPERATING MODES WRITE PAGE ITEM EXPANSION UNITS RANGE COMMENT CCN TABLE CCN POINT STATUS SLCT OPERATING TYPE CONTROL  OPER Operating Control Type 0=Switch Ctrl Default = 0 forcible 32,46 1=Time Sched 2=CCN Control ...
  • Page 94 APPENDIX B — CCN TABLES STATUS DISPLAY TABLES TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS CIRCA_AN Percent Total Capacity 0 - 100 CAPA_T Discharge Pressure nnn.n DP_A Suction Pressure nnn.n SP_A Crank Heater Current Cp1 nnn.n AMPS cpa1_cur Crank Heater Current Cp2 nnn.n AMPS...
  • Page 95 APPENDIX B — CCN TABLES (cont) STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS CIRCC_AN Percent Total Capacity 0-100 CAPC_T Discharge Pressure nnn.n DP_C Suction Pressure nnn.n SP_C Crank Heater Current Cp1 nnn.n AMPS cpc1_cur Crank Heater Current Cp2 nnn.n AMPS...
  • Page 96 APPENDIX B — CCN TABLES (cont) STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS FREECOOL GENERAL PARAMETER Free Cooling Disable? Yes/No FC_SW LWT-OAT Delta nnn.n fc_delta Current Cooling Power cool_pwr Estimated FreeCool Power fc_pwr Next session allowed in fc_next Cooling/FreeCool Timeout fc_tmout...
  • Page 97 APPENDIX B — CCN TABLES (cont) STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS GENUNIT GENERAL PARAMETER Control Type Local ctr_type Remote Run Status 0 = Off STATUS 1 = Running 2 = Stopping 3 = Delay 4 = Tripout 5 = Ready 6 = Override...
  • Page 98 APPENDIX B — CCN TABLES (cont) STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS RECLAIM Heat Reclaim Select Yes/no RECL_SEL Reclaim Condenser Pump On/Off CONDPUMP Reclaim Condenser Flow On/Off condflow Reclaim Condenser Heater On/Off cond_htr Reclaim Entering Fluid ±nnn.n °F...
  • Page 99 APPENDIX B — CCN TABLES (cont) STATUS DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS STRTHOUR Machine Operating Hours nnnnn hours HR_MACH Machine Starts Number nnnnn st_mach Compressor A1 Hours nnnnn hours HR_CP_A1 Compressor A2 Hours nnnnn hours HR_CP_A2...
  • Page 100 APPENDIX B — CCN TABLES (cont) CONFIGURATION DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE DEFAULT UNITS POINT NAME !CtrlD / Device Name 8 chars PD5_RBRQ: Description 24 chars PRO-DIALOG 5 30RB&30RQ Location 24 chars Software Part Number 16 chars CSA-SR-20C460301 Model Number 20 chars Serial Number...
  • Page 101 APPENDIX B — CCN TABLES (cont) CONFIGURATION DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE DEFAULT UNITS POINT NAME FACTORY2 Compressor A1 Capacity 0 to 99 cap_a1 Compressor A2 Capacity 0 to 99 cap_a2 Compressor A3 Capacity 0 to 99 cap_a3 Compressor A4 Capacity 0 to 99 cap_a4...
  • Page 102 APPENDIX B — CCN TABLES (cont) CONFIGURATION DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE DEFAULT UNITS POINT NAME USER Circuit Loading Sequence lead_cir 0=Auto,1=A Lead 0=Auto, 2=B Lead, 3 =C Lead 1=A Lead 2=B Lead, 3 =C Lead Staged Loading Sequence No/Yes seq_typ Ramp Loading Select...
  • Page 103 APPENDIX B — CCN TABLES (cont) SETPOINT DISPLAY TABLES TABLE DISPLAY NAME RANGE DEFAULT UNITS POINT NAME SETPOINT COOLING Cooling Setpoint 1 –20.0-78.8 44.0 °F csp1 Cooling Setpoint 2 –20.0-78.8 44.0 °F csp2 Cooling Ice Setpoinp –20.0-32.0 44.0 °F ice_sp OAT No Reset Value 14-125 14.0...
  • Page 104 APPENDIX B — CCN TABLES (cont) MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS FANCTRL Cir A SCT Control Point °F sct_sp_a Cir A SCT Candidate °F sct_fu_a Cir A Fan Drive Power drva_pwr Cir A Fan Drive Version drva_ver Cir B SCT Control Point °F...
  • Page 105 APPENDIX B — CCN TABLES (cont) MAINTENANCE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS MSTSLAVE MASTER/SLAVE CONTROL Unit is Master or Slave Disable/Master/Slave mstslv Master Control Type* Local/Remote/CCN ms_ctrl Master/Slave Ctrl Active True/False ms_activ Lead Unit is the Master/Slave lead_sel Slave Chiller State†...
  • Page 106 APPENDIX B — CCN TABLES (cont) SERVICE DISPLAY TABLES TABLE DISPLAY NAME RANGE DEFAULT UNITS POINT NAME WRITE STATUS CP_UNABL Compressor A1 Disable No/Yes un_cp_a1 Compressor A2 Disable No/Yes un_cp_a2 Compressor A3 Disable No/Yes un_cp_a3 Compressor A4 Disable No/Yes un_cp_a4 Compressor B1 Disable No/Yes un_cp_b1...
  • Page 107 APPENDIX B — CCN TABLES (cont) SERVICE DISPLAY TABLES (cont) TABLE DISPLAY NAME RANGE UNITS POINT NAME WRITE STATUS UPDHRFAN TABLE TO BE USED FOR RUN TIMES & START UPDATE IN CASE OF CONTROL RETROFIT FAN Operating Hours Circuit A Fan #1 Hours nnnnn hours hr_fana1...
  • Page 108: Ccn Alarm Description

    APPENDIX C — CCN ALARM DESCRIPTION ALARM CODE ALARM TEXT DESCRIPTION AND CCN MESSAGE Thermistor Failure th-01 Water exchanger Entering Fluid Thermistor th-02 Water exchanger Leaving Fluid Thermistor th-03 Circuit A Defrost Thermistor th-04 Circuit B Defrost Thermistor th-08 Reclaim Condenser Entering Thermistor th-09 Reclaim Condenser Leaving Thermistor th-10...
  • Page 109 APPENDIX C — CCN ALARM DESCRIPTION (cont) ALARM CODE ALARM TEXT DESCRIPTION AND CCN MESSAGE Process Failure FC-n0 No factory configuration FC-01 Illegal factory configuration Number #1 to nn MC-nn Master chiller configuration error Number #1 to nn P-01 Water Exchanger Freeze Protection P-05 Circuit A Low Suction Temperature P-06...
  • Page 110 APPENDIX C — CCN ALARM DESCRIPTION (cont) ALARM CODE ALARM TEXT DESCRIPTION AND CCN MESSAGE Service Failure Sr-nn Service maintenance alert Number # nn (see Table 44) Compressor Failure A1-01 Compressor A1 Motor Temperature Too High A1-02 Compressor A1 Crankcase Heater Failure A1-03 Compressor A1 High Pressure Switch A1-04...
  • Page 111 APPENDIX C — CCN ALARM DESCRIPTION (cont) ALARM CODE ALARM TEXT DESCRIPTION AND CCN MESSAGE Compressor Failure C1-01 Compressor C1 Motor Temperature Too High C1-02 Compressor C1 Crankcase Heater Failure C1-03 Compressor C1 High Pressure Switch C1-04 Compressor C1 Motor Temperature Sensor PTC Out Of Range C1-05 Compressor C1 Power Reset C1-06...
  • Page 112: Temperature Chart

    APPENDIX D — R-410A PRESSURE VS. TEMPERATURE CHART PSIG °F °C PSIG °F °C PSIG °F °C PSIG °F °C PSIG °F °C PSIG °F °C –37.7 –38.7 37.8 74.3 23.5 100.2 37.9 120.7 49.3 137.6 58.7 –34.7 –37.1 38.7 74.9 23.8 100.7...
  • Page 113: Index

    Unit run status Inspecting/opening Controls Installing motor 5-43 Board addresses Liquid line service valve Capacity control Moisture liquid indicator Carrier Comfort Network ® interface Troubleshooting procedure ComfortLink display menu structure Flow rate Configuring the master chiller Freeze protection Configuring the slave chiller Head pressure control.
  • Page 114: Manufacturer Reserves The Right To Discontinue, Or Change At Any Time, Specifications Or Designs Without Notice And Without Incurring Obligations

    Refrigerant circuit Relief devices RTPF (round tube, plate fin) Safety devices Copyright 2009 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53300028-01 Printed in U.S.A.
  • Page 115 START-UP CHECKLIST FOR 30RB LIQUID CHILLER A. PROJECT INFORMATION Job Name ______________________________________ Installing Contractor_______________________________ Address ________________________________________ Sales Office _____________________________________ City __________________ State ________ Zip ________ Start-Up Performed By ____________________________ Design Information CAPACITY FLUID TYPE FLOW RATE P.D. AMBIENT Cooler Unit Model _________________________________________ Model ________________________________________ Serial _________________________________________...
  • Page 116 7. Electrical circuit protection has been sized and installed properly.  Yes  No 8. All terminals are tight.  Yes  No 9. All plug assemblies are tight.  Yes  No 10. All cables, thermistors and transducers have been inspected for cross wires. ...
  • Page 117 Start and operate machine. Complete the following: 1. Complete component test (make sure EXVs are checked after liquid line service valves are opened). 2. Check refrigerant and oil charge. Record charge information below. 3. Record compressor and condenser fan motor current. 4.
  • Page 118 Record Configuration Information MODE — CONFIGURATION SUB-MODE ITEM DISPLAY ITEM EXPANSION ENTRY DISP TEST OFF/ON Test Display LED’s METR US-METR Metric Display LANG Language UNIT TYPE Unit Type TONS Unit Size VAR.A NB Fan on Varifan CIR A VAR.B NB Fan on Varifan CIR B VAR.C NB Fan on Varifan CIR C HGBP...
  • Page 119 MODE — CONFIGURATION (cont) SUB-MODE ITEM DISPLAY ITEM EXPANSION ENTRY RSET CRST Cooling Reset Type HRST Heating Reset Type DMDC Demand Limit Select DMMX xx.x mA for 100% Demand Lim DMZE xx.x mA for 0% Demand Limit MSSL Master/Slave Select SLVA Slave Address LLBL...
  • Page 120 Component Test — Complete the following tests to make sure all peripheral components are operational before the compressors are started. MODE — SERVICE TEST SUB-MODE ITEM DISPLAY ITEM EXPANSION ENTRY TEST* T.REQ OFF/ON Manual Sequence CP.A1 OFF/ON Compressor A1 Output CP.A2 OFF/ON Compressor A2 Output...
  • Page 121 MODE — SERVICE TEST (cont) SUB-MODE ITEM DISPLAY ITEM EXPANSION ENTRY QUIC†(cont) CH.A1 OFF/ON Compressor A1 Heater CH.A2 OFF/ON Compressor A2 Heater CH.A3 OFF/ON Compressor A3 Heater CH.A4 OFF/ON Compressor A4 Heater CH.B1 OFF/ON Compressor B1 Heater CH.B2 OFF/ON Compressor B2 Heater CH.B3 OFF/ON Compressor B3 Heater...
  • Page 122 Operating Data: Record the following information from the Run Status, Temperatures and Outputs Modes when machine is in a stable operating condition. If cooling load is insufficient, these readings must be obtained by putting the chiller in test mode (Service Test) and running each compressor. TEMPERATURES COOLER ENTERING FLUID EWT _______________...
  • Page 123 COMMENTS: ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ SIGNATURES: Start-up Technician _____________________________________ Date______________________________________________ Customer Representative __________________________________ Date______________________________________________ CL-9...
  • Page 124: Manufacturer Reserves The Right To Discontinue, Or Change At Any Time, Specifications Or Designs Without Notice And Without Incurring Obligations

    Copyright 2009 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53300028-01 Printed in U.S.A. Form 30RB-3T Pg CL-10 12-09 Replaces: 30RB-2T...

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