Carrier HRVCCLHU Operations Instructions Page 1

HRVCCLHU,HRVCCSVU,HRVCCLVUHeatRecoveryVentilatorInstallation,Start-Up,andOperatingInstructionsSizes1150,1200,1250,and1330NOTE:Read the entire instruct

BALANCINGHRVBalancing intake and exhaust airflow is very important for propersystem operation and optimum performance when applying anHRV. Unit balanc

collar in stale-air duct of HRV, and record airflow. Next, installcollar in the fresh-air duct and record airflow. If 2 flow collars areavailable, it

VENTILATIONEVALUATIONDO NOT use HRV during construction of a house or whensanding drywall. This type of dust may damage system.When ventilation requir

Method 1To calculate approximate ventilation:The sum of rooms X 10 CFM per room, plus 20 CFM for a masterbedroom or basement.Example: 11 rooms X 10 CF

Step2—FilterFilters in HRV are washable and should be cleaned every 3months. Use a vacuum cleaner to remove heaviest portion ofaccumulated dust, then

If defrost is not working properly, check for proper damperoperation. To do this, turn unit to OFF position. Damper shouldclose.Safety FeatureThis new

ADVANCED DEBUGGINGDefrost can be simulated using the following procedures:1. Unplug unit from 115vac.2. Disconnect thermistor assembly from J4.3. Repl

Type 2—Communication Problem Or Unsupported Mode (AutoModel Only)All indicators flashing at a rate of about once every 8 sec.Communication is not prop

Fig.27—WiringDiagramforModels:HRVCCLHU1150,andHRVCCLHU1250A00031-tDEFROSTTEMPERATURESENORELECTRONIC ASSEMBLYJ4J3ABCDEFG 3 4 5 6 7 8

Fig.28—WiringDiagramforModels:HRVCCSVU1150,HRVCCSVU1200,HRVCCLVU1150,HRVCCLVU1200,andHRVCCLVU1330A00033MED(NOTE 5)FANMOTOR2J1 8J1 5J1 1J1 2NEUTRALIONI

SAFETYCONSIDERATIONSInstallation and servicing of this equipment can be hazardous dueto mechanical and electrical components. Only trained and quali-f

Fig.29—DimensionalDrawingHRVCCLHUMODELNO.ABCDEFGin. mm in. mm in. mm in. mm in. mm in. mm in. mmHRVCCLHU115015-1/8 384.2 4-1/16 104 5-5/8 143.3 14-1/2

Fig.30—DimensionalDrawingHRVCCSVUandHRVCCLVUMODELNO.ABCDEFGin. mm in. mm in. mm in. mm in. mm in. mm in. mmHRVCCSVU115018-1/2 469.9 4-11/16 119.1 13-5

Fig.31—DimensionalDrawingHRVCCLVU1200orHRVCCLVU1330A9800117 9⁄16″[446.9]4 3⁄4″[120.6]8 1⁄8″ DIA[206.4]2 PLCS 5 13⁄16″[147.6]5 7⁄8″ DIA[148.2] 2 PLCS6

A94328SERVICE TRAININGPackaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, in

Copyright 2000 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 hrv1siiManufacturerreservestherighttodiscontinue,orchangeatanytime,specific

Step3—Forced-AirApplicationMost HRV applications will be installed in conjunction with newor existing forced-air system. To operate properly, the fres

8Fig.7—ExhaustVentilationA99265INSULATED DUCT CONNECTINGFRESH AIR & EXHAUST TOOUTSIDENOTE: SUPPLY & EXHAUST DUCTS TO HAVE BALANCI

COMPONENTDESCRIPTIONThe following listed items are components of HRVCCLHU. (SeeFig. 8)1. Stale air return from building connected to return-air ductsy

WALLCONTROLStep1—LocationThe HRV wall controls are unique to HRV and must be installedfor proper unit operation.Three wall control options are availab

Step5—WiringRemove top cover assembly from wall control and pass thermostatwire through hole located on back of control before attaching towall. Conne

Do not use an extension cord as a power source for operatingthe HRV.Step2—12-vdcWiringThe HRV circuit board, wall control, and accessories operate on1

Fig.13—InterlockRelayWiringLayoutA92460FOUR WIRETWO-WIREHEATING ONLYTWOWIREWBLK BLKWHT WHTGND115V FIELD-SUPPLIEDFUSEDDISCONNECTNOTE: Connect Y-termin