Carrier 50PEC09-18 specifications Contents, Safety Considerations

AQUAZONE™ 50PEC09-18 Water Source Heat Pump Console Unit

with PURON® Refrigerant (R-410A)

Installation, Start-Up and Service Instructions

CONTENTS

Page

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

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

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33

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

Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 17

•STORAGE

•UNIT PROTECTION

Step 3 — Mount Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Step 4 — Wire Electrical Connections . . . . . . . . . . 17

•SUPPLY VOLTAGE

•EXTERNAL LOOP POWER CONNECTION

•230-V OPERATION

Step 5 — Wire Low Voltage Connections . . . . . . . 30

•WATER FREEZE PROTECTION

•ACCESSORY CONNECTIONS

•WATER SOLENOID VALVES

•OPTIONAL WALL-MOUNTED THERMOSTAT

•OPTIONAL PREMIERLINK™ CONTROLLER

•WSHP OPEN WIRING

Step 6 — Install Supply and Return Piping. . . . . . 32

•SUPPLY AND RETURN HOSES

•SUPPLY AND RETURN PIPING

Step 7 — Install Condensate Piping . . . . . . . . . . . . 33

PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-35

System Cleaning and Flushing . . . . . . . . . . . . . . . . 33

System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . .36,37

Complete C Control Jumper Settings. . . . . . . . . . . 36

Complete C Control DIP Switches. . . . . . . . . . . . . . 36

Deluxe D Control Jumper Settings . . . . . . . . . . . . . 36

Deluxe D Control DIP Switches . . . . . . . . . . . . . . . . 36

Deluxe D Control Accessory

Relay Configurations . . . . . . . . . . . . . . . . . . . . . . . 37 START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-40 Unit Start-Up/Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 37 Operating Limits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Unit Start-Up/Heating . . . . . . . . . . . . . . . . . . . . . . . . . 37 Unit Start-Up with WSHP Open Controls. . . . . . . . 38 Flow Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . 40

Ground Coupled, Closed Loop and Plateframe Heat Exchanger Well Systems . . . . . . . . . . . . . . . 40

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40-43 Power Up Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Units with Aquazone Complete C Control. . . . . . . 40 Units with Aquazone Deluxe D Control . . . . . . . . . 40 Units with WSHP Open Multiple Protocol . . . . . . . 41

COMPLETE C AND DELUXE D BOARD SYSTEM TEST. . . . . . . . . . . . . . . . . . . . . . . . . . . 43-45

Test Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

WSHP Open Test Mode . . . . . . . . . . . . . . . . . . . . . . . 44

Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Aquazone Deluxe D Control LED Indicators. . . . . 44

Page

SERVICE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45-47

Unit Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

System Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Refrigerant System . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Condensate Pans. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Blower Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Safety Control Reset. . . . . . . . . . . . . . . . . . . . . . . . . . 46

Checking System Charge . . . . . . . . . . . . . . . . . . . . . 47

Refrigerant Charging . . . . . . . . . . . . . . . . . . . . . . . . . 47

Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . 47

Replacing the WSHP Open Controller’s

Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . .47-49

Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

WSHP Open Controller. . . . . . . . . . . . . . . . . . . . . . . . 47

APPENDIX A — WSHP OPEN SCREEN CONFIGURATION. . . . . . . . . . . . . . . . . . . . . . . . .50-55

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 components. 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 damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory-authorized kits or accesso- ries when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing.

Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult local building codes and applicable electrical codes for special installation requirements.

Understand the signal words — DANGER, WARNING, and CAUTION. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING

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

Catalog No. 04-53500052-01 Printed in U.S.A. Form 50PEC-2SI Pg 1 7-09 Replaces: 50PEC-1SI