Carrier Water Source Heat Pump Manual for 50RHR
Page 1

AQUAZONE™

50RHC,RVC,RHR,RHS, RVR,RVS,RDS006-060 Water Source Heat Pump Units

Installation, Start-Up, and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26

Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

•STORAGE

•PROTECTION

•INSPECT UNIT

Step 3 — Unit Location. . . . . . . . . . . . . . . . . . . . . . . . . . 14

• FIELD CONVERSION OF DISCHARGE AIR

Step 4 — Mounting the Unit . . . . . . . . . . . . . . . . . . . . . 15

•HORIZONTAL UNITS

•VERTICAL UNITS

Step 5 — Duct System . . . . . . . . . . . . . . . . . . . . . . . . . . 15

•SOUND ATTENUATION

•EXISTING DUCT SYSTEM

Step 6 — Condensate Drain . . . . . . . . . . . . . . . . . . . . . 16

•HORIZONTAL UNITS

•VERTICAL UNITS

•VENTING

Step 7 — Piping Connections . . . . . . . . . . . . . . . . . . . 16

•WATER LOOP APPLICATIONS

•GROUND-WATER APPLICATIONS

•GROUND-LOOP APPLICATIONS

Step 8 — Field Power Supply Wiring . . . . . . . . . . . . 18

•POWER CONNECTION

•SUPPLY VOLTAGE

•208-VOLT OPERATION

Step 9 — Field Control Wiring . . . . . . . . . . . . . . . . . . . 18

•THERMOSTAT CONNECTIONS

•WATER FREEZE PROTECTION

•AIR COIL FREEZE PROTECTION

•ACCESSORY CONNECTIONS

•WATER SOLENOID VALVES

PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-30

System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

PSC Blower Speed Selection . . . . . . . . . . . . . . . . . . 27

FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . 30-32

C Control Jumper Settings . . . . . . . . . . . . . . . . . . . . 30

C Control DIP Switches . . . . . . . . . . . . . . . . . . . . . . . 30

D Control Jumper Settings . . . . . . . . . . . . . . . . . . . . 30

D Control DIP Switches . . . . . . . . . . . . . . . . . . . . . . . 30

Units with Modulating Hot Water Reheat

(HWR) Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 D Control Accessory Relay Configurations . . . . . 32 Water Valve (Slow Opening) . . . . . . . . . . . . . . . . . . . 32 Outside Air Damper (OAD) . . . . . . . . . . . . . . . . . . . . 32

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-36

Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 33

Unit Start-Up Cooling Mode . . . . . . . . . . . . . . . . . . . . . 33

Unit Start-Up Heating Mode . . . . . . . . . . . . . . . . . . . . . 34

Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Page

Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 36

Ground Coupled, Closed Loop and Plateframe Heat Exchanger Well Systems . . . . . . . . . . . . . . . . 36

OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36,37 Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Units with Aquazone Complete C Control . . . . . . . 36 Units with Aquazone Deluxe D Control . . . . . . . . . . 36 Units with HWR Option. . . . . . . . . . . . . . . . . . . . . . . . . . 37 SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37,38 Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Aquazone Deluxe D Control LED Indicators . . . . . 38 SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-40 Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 38 Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Fan Motors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . 39 Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Checking System Charge . . . . . . . . . . . . . . . . . . . . . 39 Refrigerant Charging . . . . . . . . . . . . . . . . . . . . . . . . . 40 Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 40 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 40-42 Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Control Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

50RHC,RVC,RHR,RHS,RVR,RVS,RDS START-UP CHECKLIST . . . . . . . . . . . . . . . . . . CL-1, CL-2

IMPORTANT: Read the entire instruction manual before starting installation.

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical compo- nents. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance func- tions of cleaning coils and filters and replacing filters. All other operations should be performed by trained service personnel. When working on air-conditioning equipment, observe precau- tions in the literature, tags and labels attached to the unit, and other safety precautions that may apply.

Improper installation, adjustment, alteration, service, mainte- nance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property dam- age. Consult a qualified installer, service agency, or your distrib- utor or branch for information or assistance. The qualified in- staller or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instruc- tions packaged with the kits or accessories when installing.

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

Book

1

4

Catalog No. 04-53500007-01 Printed in U.S.A.

Form 50R-5SI

Pg 1

6-07

Replaces: 50R-4SI

Tab

5a

5a

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents Safety Considerations ContentsGeneral InstallationPage PSC FAN Motor and Blower Physical Data Aquazone 50RHC,RVC006-060 UnitsPhysical Data Aquazone 50RHS,RVS,RDS015-070 Units Physical Data Aquazone 50RHR,RVR006-060 UnitsPermanent Split Capacitor Code Return Discharge Airflow ConfigurationRight Depth Height Out Pump Supply Ensate Ext Power Cond Therm Supply Return015-024 030Right Back Back RightTypical Installation 50RHC,RHR,RHS Units Right Top TopConfiguration Left Return Left View Configuration Top View-Left ReturnIsometric ViewIsometric View Configuration Left Return Left View Air Coil OpeningCode Front ViewReturn/Bottom Discharge Isometric View Ht Return/Bottom DischargeTop View Front-ViewSide Discharge Remove ScrewsRotate Move to Side50RHC Units Mounting the Unit50RHR Units 50RHS UnitsHorizontal Unit Pitch Condensate DrainCondition Acceptable Level Field Control Wiring Field Power Supply WiringBMC LOCNEC ComprRVS Typical Aquazone Deluxe D Control WiringLON HpwsTrans A50-8154 Low Voltage Field Wiring RLA LRA Motor Unit Circuit FUSE/HACR 50RHC,RVC Electrical DataFLA RLA50RHR,RVR Electrical Data 50RHR,RVR VOLTS-PHASE Voltage Compressor FAN Total MIN MAXUnit Circuit Units RLA LRA FUSE/HACR50RDS, RHS, RVS Electrical Data PRE-START-UP50RHR,RVR Rated MIN FAN 50RHR,RVR Blower PerformanceSpeed 50RVC Blower Performance with Hot Water Reheat HWR Option 50RHC,RVC Blower PerformanceReheat External Static Pressure ESP Loss Coil Face Velocity 50RHC,RVC Rated MIN FAN50RHS,RVS,RDS Blower Performance 50RVC Blower Performance with Wet CoilCoil Face Velocity WET Coil Reduction 50RHS,RVS,RDS Rated FANField Selectable Inputs Control Jumper Settings See Fig50RHS, RVS Blower Performance with HWR Coil Face 50RHS, RVS with Reheat ESP LossDIP Switch Block S2 Accessory 2 Relay Options DIP Switch Block S2 Accessory 1 Relay OptionsHumidistat/Dehumidistat Logic Deluxe D DIP Switch Settings Accessory DIP Switch Position Relay OptionsSTART-UP Control Accessory Relay ConfigurationsHWR Operating Modes OutputWater Temperature Change Through Heat Exchanger Unit Start-Up Cooling ModeOperating Limits Operating Limits 50RHC,RVC UnitsTypical Unit Operating Pressures and Temperatures Unit Start-Up Heating ModeEntering Cooling Heating Water GPM Temp F TON50RHS,RVS,RDS Coaxial Water Pressure Drop 50RHR,RVR Coaxial Water Pressure Drop50RHC,RVC Coaxial Water Pressure Drop Antifreeze Percentages by Volume Approximate Fluid Volume gal Per 100 Ft of PipeOperation Units with Aquazone Complete C ControlUnits with HWR Option Complete C Control LED Code Fault DescriptionsSystem Test Aquazone Deluxe D Control LED Indica ServiceESD Gravity Flow Method Refrigerant Charging TroubleshootingAir Coil Fan Motor Removal Fault Heating Cooling Possible Cause Solution TroubleshootingUnit Does Not Operate II. START-UP 50RHC,RVC,RHR,RHS,RVR,RVS,RDS START-UP ChecklistCooling Cycle Analysis Heating Cycle Analysis
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