Carrier Aquazone 50PCH PCV018 Installation, Start-Up And Service Instructions Manual

CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• INSPECTION
• STORAGE
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . 2
• HORIZONTAL UNITS (50PCH)
• VERTICAL UNITS (50PCV)
• INSTALLATION GUIDELINES (ALL UNITS)
Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 3
• INSPECT UNIT
Step 3 — Locate Unit . . . . . . . . . . . . . . . . . . . . . . . . . 7
• PROTECTION
Step 4 — Mount the Unit . . . . . . . . . . . . . . . . . . . . . . . 7
• DUCT FLANGES
• HORIZONTAL UNITS (50PCH)
• VERTICAL UNITS (50PCV)
Step 5 — Check Duct System . . . . . . . . . . . . . . . . . . 8
• HORIZONTAL SUPPLY AIR CONFIGURATION
CONVERSION
Step 6 — Install Condensate Drain . . . . . . . . . . . . . . 9
Step 7 — Pipe Connections . . . . . . . . . . . . . . . . . . . . 9
• WATER LOOP APPLICATIONS
• GROUND LOOP APPLICATIONS
• INSTALLING SUPPLY AND RETURN HOSE KIT
• UNITS WITH WATERSIDE ECONOMIZER OR
BOILERLESS HEAT CONTROL
• AQUASTAT BULB INSTALLATION
Step 8 — Wire Field Power Supply . . . . . . . . . . . . . 10
• HIGH VOLTAGE
• OVERLOAD SETTING VERIFICATION
Wire Control Connections . . . . . . . . . . . . . . . . . . . . 33
• BETTER B, COMPLETE C, AND DELUXE D CONTROL
• ECM INTERFACE THERMOSTAT CONNECTIONS
• THERMOSTAT AND DDC SENSORS
• HOT GAS REHEAT CONTROL
• AUXILIARY RELAY (DELUXE D ONLY)
• ENERGY MANAGEMENT SWITCH (DELUXE D
ONLY)
• BOILERLESS HEAT CONTROL (DELUXE D ONLY)
• ALARM OUTPUT (ALL UNITS)
• WSHP OPEN CONTROL
• CONTROL TRANSFORMER
Step 9 — Configure Unit Control Components . . . 35
• UNIT PROTECTION MODULE (UPM)
• WATERSIDE ECONOMIZER
• BOILERLESS HEAT CONTROL (DELUXE D ONLY)
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500329-01
Installation, Start-Up, and
Service Instructions
Printed in U.S.A. Form 50PC-9SI
Compact Water Source Heat Pumps
with Puron
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Page
• CLEAN AIR COIL
Set Blower Motor Speed . . . . . . . . . . . . . . . . . . . . . .37
• PERMANENT SPLIT CAPACITOR (PSC) MOTOR
• CONSTANT TORQUE (ECM) MOTOR
• CONSTANT AIRFLOW (ECM) MOTOR
System Flushing and Filling . . . . . . . . . . . . . . . . . . .42
System Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
• FLOW VERIFICATION
• FLOW REGULATION
• ANTIFREEZE
• FREEZE PROTECTION SELECTION
• START-UP
Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
• ENVIRONMENT
• POWER SUPPLY
• UNIT STARTING CONDITIONS
Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . .43
• COOLING MODE START-UP
• HEATING MODE START-UP
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Unit Protection Module (UPM) . . . . . . . . . . . . . . . . .51
Units with Better B, Complete C, or
Deluxe D Controls . . . . . . . . . . . . . . . . . . . . . . . . . 51
• STANDBY
• COOLING
• HOT GAS REHEAT (OPTIONAL FOR COMPLETE C OR
DELUXE D CONTROLS)
• WATERSIDE ECONOMIZER (OPTIONAL FOR
COMPLETE C OR DELUXE D CONTROLS)
• TWO WAY WATER FLOW CONTROL VALVE
(OPTIONAL)
• BOILERLESS HEAT (DELUXE D ONLY)
• PUMP/VALVE RELAY (DELUXE D ONLY)
Units with WSHP Open Controls . . . . . . . . . . . . . . .51
• COOLING
• REVERSE CYCLE HEATING
• TWO POSITION OA DAMPER
• MODULATING OA DAMPER WITH DCV
• AUXILIARY MODULATING HOT WATER / STEAM
HEATING REHEAT
• 2-POSITION HOT WATER / STEAM HEATING
REHEAT
• SINGLE STAGE ELECTRIC AUXILIARY HEAT
• AUTOMATIC FAN SPEED CONTROL
• FAN SPEED CONTROL - DURING HEATING
• FAN SPEED CONTROL - DURING COOLING
• MODULATING WATER ECONOMIZER CONTROL
• 2-POSITION WATER ECONOMIZER CONTROL
• POWER FAIL RESTART DELAY
Pg 1
Aquazone™
50PCH, PCV 007-070
Refrigerant (R-410A)
®
8-22 Replaces: 50PC-8SI