Page 1: Table Of Contents
Omnizone™ 50BV020-064 Water-Cooled Indoor Self-Contained Systems Installation, Start-Up, Service and Controls Operation and Troubleshooting CONTENTS Page Page I/O Flex 6126 Controller Specifications, SAFETY CONSIDERATIONS..... . 2 VAV Units Only —...
Page 2: Safety Considerations
Page SAFETY CONSIDERATIONS Digital Inputs For Monitoring ....46 Installing, starting up, and servicing air-conditioning • FILTER STATUS (DFS) components and equipment can be dangerous. Only trained, •...
Page 3: Major System Components
The 50BVJ and Variable Air Volume (VAV) Units — commercial thermostat. For VAV applications, the unit is sup- W units come equipped with a Carrier I/O Flex 6126 controller plied with a variable frequency drive(s) (VFD) that automati- and a VFD.
Page 4: Step 2 - Rig And Place Unit
• Construct the equipment room of concrete block or use a Use proper lifting Step 2 — Rig and Place Unit — double offset stud wall with interwoven insulation. Seal and handling practices to avoid damage to the unit. Move all penetrations.
Page 5 50BV(C)(Q)(J) UNIT NOMINAL SIZE 14.75 [375] 14.75 [375] 14.75 [375] 18.88 [479] 8.50 [216] 8.50 [216] 8.50 [216] 8.75 222] 2.75 [70] 2.75 [70] 2.75 [70] 2.75 [70] 40.00 [1016] 40.00 [1016] 40.00 [1016] 61.00 [1549] 20.00 [508] 20.00 [508] 20.00 [508] 30.00...
Page 6 69.50 51.63 2.00 BLOWER BLOWER SECTION BLOWER SECTION SECTION REMOVABLE FOR REMOVABLE FOR ACCESS SHIPPING SHIPPING BLOWER 31.00 SECTION ACCESS 60.63 VOLTAGE HIGH VOLTAGE COMPRESSOR ACCESS 17.50 15.50 13.25 11.25 2.50 5.00 REAR VIEW LIFTING SUPPORT RAIL RETURN AIR VIEW 2.88 23.25 49.75...
Page 7 WATER CONNECTIONS H20 IN* H20 OUT* CONDENSATE* 1.25 PRE-COOLING 1.25 DRAIN* HW IN/OUT 1.38 (SWEAT) A50-9186 NOTES: CONNECTIONS 1. Dimensions in inches. 2. All units are rear return airflow configuration. WATER OUT 2-1/2 IN. FPT 3. Recommended minimum service clearances are as follows: WATER IN 2-1/2 IN.
Page 8 BLOWER SECTION BLOWER SECTION REMOVABLE FOR REMOVABLE FOR 51.63 2.00 SHIPPING SHIPPING BLOWER SECTION ACCESS BLOWER BLOWER 31.00 SECTION SECTION ACCESS ACCESS 119.75 60.63 VOLTAGE HIGH VOLTAGE COMPRESSOR COMPRESSOR ACCESS ACCESS 17.50 15.50 13.25 11.25 CONDENSING SECTION CONDENSING SECTION 5.00 REMOVABLE FOR SHIPPING REMOVABLE FOR SHIPPING 2.88...
Page 9 FILTERS NOMINAL ACTUAL QUANTITY 17 X 30 X 4 16.5 X 29.75 X 4 WATER CONNECTIONS Model H2O IN* H2O OUT* Condensate* 1.25 1.25 1.25 Pre-Cooling Drain* 1.25 1.25 1.25 HW IN/OUT (Sweat) 1.38 1.38 1.38 *F.P.T. Type Connection A50-9188 CONNECTIONS NOTES: 1.
Page 10 Table 2 — Physical Data — 50BVC,J,Q UNIT 50BVC,J,Q NOMINAL CAPACITY (Tons) OPERATING WEIGHT (lb) 50BVC,Q…50BVJ 1192…1227 1378…1413 1428…1473 1680…1725 COMPRESSOR Copeland Scroll Quantity Number of Refrigerant Circuits Oil (oz) Ckt 1…Ckt 2 85…85 110…110 110…110 140…140 REFRIGERANT TYPE R-410A Expansion Device Operating Charge (oz) per Ckt CONDENSER (50BVC,Q,J only)
Page 11 Table 3 — Physical Data — 50BVT,V,W UNIT 50BVT,V,W,X NOMINAL CAPACITY (Tons) OPERATING WEIGHT (lb) 50BVT,V…50BVW 2580…2645 4334…4404 5198…5298 5230…5330 COMPRESSOR Copeland Scroll Quantity Number of Refrigerant Circuits Oil (oz) Circuit 1…Circuit 2 140…140 110…110 140…140 140…140 Circuit 3…Circuit 4 —...
Page 12 22.93 [608] A50-9189 NOTES: 1. Dimensions in inches [mm]. 2. Refer to base unit certified drawing for additional unit dimensions, service clearance, and alternate airflow configurations. Fig. 7 — 50BVC,J,Q020-028 with Optional Waterside Economizer Dimensions...
Page 13 50BV(C)(Q)(J) 034 a50-9190 NOTES: 1. Dimensions in inches [mm]. 2. Refer to base unit certified drawing for additional unit dimensions, service clearances, and alternate airflow configurations. Fig. 8 — 50BVC,J,Q034 with Optional Waterside Economizer Dimensions...
Page 14: Step 3 - Install Ductwork
“pair of pants” configuration as shown in Fig. 9. Refer to of sight from return air grilles into the unit’s return should be the Carrier System Design Manual or ASHRAE (American avoided. If return air is to be ducted to an equipment room, an Society of Heating, Refrigerating and Air-Conditioning Engi- elbow should be installed within the equipment room.
Page 15: Duct High-Static (Dhs) Limit Switch (Vav Only)
DUCT HIGH-STATIC (DHS) LIMIT SWITCH (VAV minimum concentration of 20% is recommended. Water pressure drop will increase and unit performance will decrease ONLY) — The duct high static limit switch is a mechanical with increasing glycol concentrations. safety that prevents duct overpressurization. The switch is op- tional and is field-provided.
Page 16: Evaporator Condensate Drain
Ball valves should be installed in the supply and return lines HOT WATER HEATING COIL (OPTIONAL) — A factory- for unit isolation and water flow balancing. installed one or 2-row hot water heating coil is available as an op- tion. The coil is supplied with hot water from a boiler through sep- Pressure and temperature ports are recommended in both arate piping from the condenser water loop.
Page 17: Waterside Economizer (Optional)
Table 7 — Hot Water Pressure Drop Table 9 — Economizer Pressure Drop Curve 50BVC,J,Q Units (ft wg), 50BVC,J,Q Units SIZE 020 SIZE 024 SIZE 028 SIZE 034 FLOW RATE SIZE 020 SIZE 024 SIZE 028 SIZE 034 FLOW RATE (GPM) PRESSURE DROP (FT WG) (GPM)
Page 18: Step 5 - Complete Electrical Connections
CONTROL WIRING (CV ONLY) — A standard commer- Step 5 — Complete Electrical Connections — cial thermostat controls constant volume units. These units turn Verify that electrical requirements listed on the unit nameplate compressors on or off in response to zone temperature. The match available power supply.
Page 19 Table 11 — Electrical Data — 50BVC,Q VOLTAGE RANGE COMPRESSOR INDOOR FAN MOTOR 50BV UNIT NOMINAL VOLTAGE SIZE MIN CIRCUIT AMPS MAX FUSE FLA (3 PH, 60 HZ) QUANTITY QUANTITY (C, Q) 1½ 76.0 68.6 78.8 71.4 208/230 29.5 84.8 77.4 12.2 90.8...
Page 20 Table 12 — Electrical Data — 50BVJ VOLTAGE RANGE COMPRESSOR INDOOR FAN MOTOR 50BV UNIT NOMINAL VOLTAGE SIZE MIN CIRCUIT AMPS MAX FUSE (3 PH, 60 HZ) QUANTITY RLA LRA QUANTITY FLA 78.8 71.4 208/230 29.5 84.0 76.6 13.5 93.4 86.0 39.3 35.6...
Page 21 Table 13 — Electrical Data — 50BVT,V,W VOLTAGE RANGE COMPRESSOR INDOOR FAN MOTOR NOMINAL UNIT SIZE VOLTAGE CIRCUIT MAX FUSE (T, V, W) QUANTITY QUANTITY (3 PH, 60 HZ) AMPS 19.4 152.7 120.6 25.8 165.5 127.0 208/230 50.6 38.6 191.1 139.8 49.6 213.1...
Page 22: Remote Condenser Fan Contactor Wiring
REMOTE CONDENSER FAN CONTACTOR WIR- building, the shields must be connected to the grounds at a lightning suppressor in each building (one point only). ING — For unit sizes 020-034, one remote condenser is re- quired. Install a field-supplied 24-v pilot relay (Aux relay) be- Wiring Control Devices —...
Page 23: Supply Air Temperature Sensor (Sat)
SMOKE DETECTOR/FIRE ALARM SHUTDOWN Table 14 — Recommended Cables (FSD) — To allow a smoke detector to shut the 50BV unit down, field terminate the sensor on IN-1 of the I/O Flex MANUFACTURER PART NUMBER EX8160 expander. Use the BACview tool to enable its op- Alpha 2413 or 5463 eration.
Page 24: Start-Up
Table 15 — Thermistor Resistance vs Temperature Values for Supply-Air and Return Air Temperature Sensor (10,000 ohms) TEMP TEMP RESISTANCE TEMP TEMP RESISTANCE TEMP TEMP RESISTANCE (OHMS) (OHMS) (OHMS) -39.44 323,839 2.78 28,365 45.00 4,367 -38.33 300,974 3.89 26,834 46.11 4,182 -37.22 279,880...
Page 25: Cv Unit Start-Up
Adjust the thermostat to an even lower setting until the ther- CV Unit Start-Up mostat energizes Y2 (the second cooling stage). Compressor 2 EVAPORATOR FAN — Fan belt and variable pitch motor starts on closure of contactor (compressors 3 and 4 on 4-circuit pulleys are factory installed.
Page 26 Table 17 — Fan Performance — 50BVC,Q024 AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 5,000 — — — — — — 0.61 — — — — — — 5,500 — — — — — —...
Page 27 Table 18 — Fan Performance — 50BVC,Q028 AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS BHP RPM WATTS BHP RPM WATTS BHP RPM WATTS BHP RPM WATTS 6,250 — — — 0.79 0.92 1.06 1045 1.21 7,000 0.87 1.02 1.16 1136 1.32...
Page 28 Table 19 — Fan Performance — 50BVC,Q034 AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 9,000 1187 1.36 1334 1.53 1490 1.71 1646 1.89 1802 2.07 9,500 1362 1.56 1518 1.74 1674 1.92 1839 2.11 2004 2.30 10,000...
Page 29 Table 20 — Fan Performance — 50BVT,V034 AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 9,000 3,167 3.76 3,483 4.13 3,798 4.51 4,112 4.88 4,392 5.21 9,500 3,666 4.35 3,999 4.74 4,331 5.14 4,671 5.54 4,977 5.90 10,000...
Page 30 Table 20 — Fan Performance — 50BVT,V034 (cont) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 9,000 6,095 7.23 6,324 7.59 6,629 7.95 1005 6,943 8.33 1035 7,266 8.72 9,500 6,690 8.03 6,996 8.39 7,310 8.77 1013 7,624...
Page 31 Table 21 — Fan Performance — 50BVT,V044 AVAILABLE EXTERNAL STATIC PRESSURE (Iin. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 12,000 1057 1.25 1271 1.51 1458 1.73 1644 1.95 1838 2.18 12,500 1173 1.39 1395 1.66 1591 1.89 1785 2.12 1980 2.35 13,000...
Page 32 Table 22 — Fan Performance — 50BVT,V054 AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 15,000 1953 2.32 2227 2.64 2473 2.93 2711 3.22 2939 3.49 16,000 2315 2.75 2596 3.08 2878 3.41 3132 3.72 3369 4.00 17,000...
Page 33 Table 22 — Fan Performance — 50BVT,V054 (cont) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 15,000 4,444 5.27 4,741 5.62 5,046 5.99 5,380 6.38 — — — 16,000 4,924 5.84 5,212 6.18 5,539 6.57 5,857 6.95 —...
Page 34 Table 23 — Fan Performance — 50BVT,V064 AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 18,000 3,167 3.76 3,483 4.13 3,798 4.51 4,112 4.88 4,392 5.21 19,000 3,666 4.35 3,999 4.74 4,331 5.14 4,671 5.54 4,977 5.90 20,000...
Page 35 Table 23 — Fan Performance — 50BVT,V064 (cont) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (CFM) WATTS WATTS WATTS WATTS WATTS 18,000 6,095 7.23 6,324 7.59 6,629 7.95 1005 6,943 8.33 1035 7,266 8.72 19,000 6,690 8.03 6,996 8.39 7,310 8.77 1013 7,624...
Page 36: Controls
In order for the random sequence to initiate the unit pow- CONTROLS er must be removed completely. Unit Protection Module (UPM) GENERAL DESCRIPTION — The Unit Protection Module IMPORTANT: If the board is set to “TEST” mode through (UPM) as shown in Fig. 17 is a printed circuit board (PCB) the “TEST”...
Page 37 controller will keep track of the number of times the switch Table 24 — UPM Dip Switch Configuration opens; if, within a 1-hour period, the switch opens the num- ber of times set via the DIP switch, the controller will shut LOCKOUT down the compressor and perform a hard lockout condition.
Page 38: Sequence Of Operation, Cv Units
Heating mode (heat pump models only) follows the Sequence Operation, Units — same sequence as above except that the reversing valve is The following sequence of operation ap- 50BVC,Q,T,V — not energized. plies to constant volume units. The UPM sequence of operation illustrated in Fig. 20 ap- Cooling is initiated when the set point in the remote thermo- plies for both refrigerant circuits.
Page 39: Vav Units Only - 50Bvj,W
PROTECTION — Incoming power and network connections I/O Flex 6126 Controller Specifications, VAV are protected by non-replaceable internal solid-state poly- Units Only — 50BVJ,W switches that reset themselves when the condition that causes a POWER — 24 vac ± 10%, 50 to 60 Hz, 20 va power con- fault returns to normal.
Page 40: Input - I/O Flex 6126 Controller
Table 25 — Input Wiring Specifications INPUT MAXIMUM LENGTH MINIMUM GAGE SHIELDING 0-5 VDC 1000 feet 26 AWG Shielded 0-10 VDC (305 meters) 3000 feet 0-20 mA 26 AWG Shielded or unshielded (914 meters) Thermistor 1000 feet Dry contact 22 AWG Shielded (305 meters) Pulse counter...
Page 41 Table 27 — 50BVJ,W Standard I/O Table CONNECTION I/O TYPE INPUT /OUTPUT TYPE TYPICAL DEVICE TYPE OF I/O CONFIG NUMBERS I/O FLEX 6126 Controller Inputs Occupancy Override * Dry Contact (N.O) UI (0-10 V, RTD Therm/Dry, 0-20 mA) UI-12 - 19 & 20 Duct Static Pressure Sensor 0 -5 VDC UI (0-10 V, RTD Therm/Dry, 0-20 mA)
Page 42 Table 27 — 50BVJ,W Standard I/O Table (cont) CONNECTION I/O TYPE INPUT /OUTPUT TYPE TYPICAL DEVICE TYPE OF I/O CONFIG NUMBERS I/O FLEX EX8160 Expander Inputs Open UI (0-5 V, Therm Dry) IN-16 - 15 & 16 Open UI (0-5 V, Therm Dry) IN-15 - 13 &...
Page 43: I/O Flex Ex8160 Expander Module
5. Connect the analog output wiring to the screw terminals The BACview tool can be used with the I/O Flex 6126 on the I/O Flex 6126 controller and to the controlled de- controller with a 4-pin Rnet port. For instructions on using/pro- vice (Fig.
Page 44 Fig. 24 — I/O Flex 6126 Controller Input Modes and Diagram...
Page 45: Sequence Of Operation, Vav Units Only
BAS — Provides a network interface to the heat pump. The I/O Flex 6126 controller supports the following building au- tomation protocols: COMMUNICATION PROTOCOL BACnet Building Automation and Control network Modbus Common open industrial protocol standard LonWorks Automation and control network LonWorks (Card required) MANUAL ON —...
Page 46: Fan Operation During Discharge
The supply and return air fan speeds are modulated by inde- function. The functional options may be configured via a local pendent PID loops to maintain independent static pressure set terminal or building automation system. points; the factory-provided duct static pressure sensor is re- FILTER STATUS (DFS) —...
Page 47 Table 28 — VFD Factory Default Settings ABB 550 DRIVE FACTORY CONFIGURATION VFD 1 GROUP NUMBER PARAMETER NUMBER DESCRIPTION VALUE 9902 Application Macro HVAC Default 9904 Motor control Mode Scalar 9905 Motor Nominal Voltage 9906 Motor Nominal Current 9907 Motor Nominal Frequency 9908 Motor Nominal Speed 9909...
Page 48 Table 28 — VFD Factory Default Settings (cont) ABB 550 DRIVE FACTORY CONFIGURATION VFD 1 GROUP NUMBER PARAMETER NUMBER DESCRIPTION VALUE 1050s 3006 Motor Thermal Time 3007 Motor Load Curve 100% 3008 Zero Speed Load 3009 Break Point Frequency 35Hz 3010 Stall Function NOT SEL...
Page 49 Table 28 — VFD Factory Default Settings (cont) DRIVE FACTORY CONFIGURATION VFD 2 GROUP NUMBER PARAMETER NUMBER DESCRIPTION VALUE 9902 Application Macro HVAC Default 9904 Motor control Mode Scalar 9905 Motor Nominal Voltage 9906 Motor Nominal Current 9907 Motor Nominal Frequency 9908 Motor Nominal Speed 9909...
Page 50 Table 28 — VFD Factory Default Settings (cont) DRIVE FACTORY CONFIGURATION VFD 2 GROUP NUMBER PARAMETER NUMBER DESCRIPTION VALUE 1050s 3006 Motor Thermal Time 3007 Motor Load Curve 100% 3008 Zero Speed Load 3009 Break Point Frequency 35Hz 3010 Stall Function NOT SEL 3011 Stall Frequency...
Page 51: Cooling Mode
For discharge air control applications the minimum on- The cooling stages can be reset based on a single point or times and off-times in Table 29 are applicable: multiple return air temperature (RAT) values as follows: Table 29 — Discharge Air Control Single: Free Cooling 50 F <...
Page 52: Waterside Economizer Mode
WATERSIDE ECONOMIZER MODE — If the entering Low Leaving Water Temperature Alarm occur, the call water temperature is less than the set point 55 F (adjustable) for cooling will be removed. the unit will transition to economizer mode: The controller will monitor both UPM Fault Monitor —...
Page 53: Compliance
Table 31 — Run and Error LEDs IF RUN LED SHOWS... AND ERROR LED SHOWS... STATUS IS... Normal 2 flashes, alternating with Run LED Five minute auto-restart delay after system error 3 flashes, then off The controller has just been formatted 2 flashes per second Two or more devices on this network have the same ARC156 network 4 flashes, then pause...
Page 54: Maintenance
CHECK/CHANGE VFD OUTPUT CURRENT LIMIT — up may need to be cleaned in an open tower system due to in- ducted contaminants. The VFD provides additional fan motor protection by limiting the output current to a programmed value. This value has been Local water conditions may cause excessive fouling or pit- factory set according to the factory-installed motor and VFD ting of tubes.
Page 55: Fan Motor Lubrication
sheave, belts enter and leave the grooves at an angle, causing excessive belt and sheave wear. Shaft Alignment — Check shaft alignment by measuring the distance between the shafts at 3 or more locations. If the dis- tances are equal, then the shafts are parallel. Sheave Alignment 1.
Page 56: Compressor Oil
2. Slide fan pulley along fan shaft. All units are factory charged with Compressor Oil — oil. It is not necessary to add oil unless compressor(s) is re- 3. Make angular alignment by loosening motor from moved from the unit. If necessary, oil can be removed/charged mounting plate.
Page 57 Table 33 — Unit Troubleshooting PROBLEM POSSIBLE CAUSE CORRECTION PROCEDURE Unit Will Not Start. Loss of unit power Check power source. Check fuses, circuit breakers, disconnect switch. Check electrical contacts. Unit voltage not correct Check and correct. Open fuse Check for short circuit in unit. Open protection device Check relays (phase monitor option), contacts, pressure switches.
Page 58: Schematics
Table 34 — CV Units LED Diagnostic Codes NO. OF BLINKS DESCRIPTION 1st Stage High-Pressure Lockout 1st Stage Low-Pressure Lockout 2nd Stage High-Pressure Lockout 2nd Stage Low-Pressure Lockout Freeze Protection Lockout* Condensate Overflow Lockout* *Freeze protection and condensate overflow lockout require optional sensors.
Page 62 a50-8215...
Page 64: Sensors And Integration Points
SENSORS AND INTEGRATION POINTS Refer to Table 35 for factory-provided sensors and Table 36 for a detailed integration points list. Table 35 — Factory-Provided Sensors for VAV Units 50BVJ,W UNIT DESCRIPTION SHIPPING LOCATION INSTALLATION LOCATION Supply Air Temperature sensor loose for field installation Supply air stream Return Air Temperature Sensor loose for field installation...
Page 65 Table 36 — Integration Points List PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE Alarm Status of Unit nvoAlm- Alarm Status Discrete Input alm_status SNVT_switch(95) (see “Current Alarm”...
Page 66 Table 36 — Integration Points List (cont) PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE Compressor 1 Runtime Alarm Status, (8760 CMP1_RNTM Discrete Input comp1_rntm Select Hours) 0 = Off...
Page 67 Table 36 — Integration Points List (cont) PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE Compressor Stages Configured Status 1 = 1 Compressor 1 Stage 2 = 2 Compressor 2 Compressor Input Register...
Page 68 Table 36 — Integration Points List (cont) PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE Condenser Water Valve CWV_FAIL Discrete Input cwv_fail Select Failure Alarm Condenser Hand Alarm Condenser Valve Com- CWV_HAND...
Page 69 Table 36 — Integration Points List (cont) PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE Network Status of the Input Register enabled_cl- Enabled Stages Select number of Compressor (Float) stages...
Page 70 Table 36 — Integration Points List (cont) PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE UPM Board 1 Low Pres- sure Alarm Status for nvoLp1Ala Discrete Input lp1_2st SNVT_switch(95)
Page 71 Table 36 — Integration Points List (cont) PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE Network Status of Sup- ply Fan Motor Overload blw_ovr- Overload Status Discrete Input Select 0 = Normal...
Page 72 Table 36 — Integration Points List (cont) PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE Network Parameter to Return Fan Output nvoRtn- set the return air fan Discrete Input rtn_fan_cmd SNVT_switch(95)
Page 73 Table 36 — Integration Points List (cont) PROTOCOL MAP MODBUS BACNET LONWORKS OPERATION READ/ REGISTER REGISTER REFERENCE OBJECT OBJECT DISPLAY NAME NV NAME SNVT DESCRIPTION WRITE TYPE NUMBER NAME TYPE Network Parameter to set Supply Air Tempera- Supply Air Temp Input Register SNVT_- ture Set point...
Page 74 © Carrier Corporation 2016 8733942606 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53500119-01 Printed in U.S.A. Form 50BV-5SI Pg 74 7-16 Replaces: 50BV-4SI...
Page 75: Start-Up Checklist
START-UP CHECKLIST (Fill out this form on Start-Up and file in job folder NOTE: To avoid injury to personnel and damage to equipment or property when completing the procedures listed in this start-up checklist, use good judgment, follow safe practices, and adhere to the safety considerations/information as outlined in preced- ing sections of this Installation, Start-Up, Service and Controls Operation and Troubleshooting document.
Page 76 NOTES: _______________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 8733942606 © Carrier Corporation 2016 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53500119-01 Printed in U.S.A. Form 50BV-5SI Pg CL-2...

This manual is also suitable for:

Omnizone 50bvq Omnizone 50bvj Omnizone 50bvt Omnizone 50bvv Omnizone 50bvw

Carrier Omnizone 50BVC Installation, Start-Up, Service And Controls Operation And Troubleshooting

Safety Considerations

General

Major System Components

Constant Volume (CV) Units

Variable Air Volume (VAV) Units

Installation

Step 1 - Complete Pre-Installation Checks

Step 2 - Rig and Place Unit

Step 3 - Install Ductwork

Step 4 - Make Piping Connections

Step 5 - Complete Electrical Connections

Start-Up

General

CV Unit Start-Up

Controls

Unit Protection Module (UPM)

Sequence of Operation, CV Units

50Bvc,Q,T,V

I/O Flex 6126 Controller Specifications

VAV Units Only - 50BVJ,W

Addressing the I/O Flex 6126 Controller

Wiring Inputs and Outputs

Input - I/O Flex 6126 Controller

I/O Flex EX8160 Expander Module

Water to Air Operation, VAV Units Only

50Bvj,W

Sequence of Operation, VAV Units Only

50Bvj,W

Unit Mode

Fan Modes

Digital Inputs for Monitoring

Cooling Operation

UPM Fault Monitor

Troubleshooting

Service

Compressor Rotation

Fan Motor Replacement

Maintenance

Cleaning Unit Exterior

Coil Cleaning

Inspection

Air Filters

Condensate Drains

Water-Cooled Condensers

Fan Motor Lubrication

Fan Bearing Lubrication

Fan Sheaves

Evaporator Fan Performance Adjustment

Compressor Oil

Troubleshooting

Schematics

Sensors and Integration Points

Start-Up Checklist

Quick Links

Troubleshooting

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Summary of Contents for Carrier Omnizone 50BVC

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Table of Contents