Carrier Aquazone 50WT Bedienungsanleitung

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

Catalog No. 04-53500450-01Printed in U.S.A.Form No. 50WT-1SIPg 1 3-25Replaces: NEW

Installation, Start-Up, and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .2

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . .3

•INSPECTION

•STORAGE

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . .6

•HORIZONTAL UNITS

•VERTICAL UNITS

•INSTALLATION GUIDELINES (ALL UNITS)

Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . .6

•INSPECT UNIT

Step 3 — Locate Unit . . . . . . . . . . . . . . . . . . . . . . . .10

•PROTECTION

Step 4 — Mount the Unit . . . . . . . . . . . . . . . . . . . . . .10

•DUCT FLANGES

•HORIZONTAL UNITS

•VERTICAL UNITS

Step 5 — Check Duct System . . . . . . . . . . . . . . . . .11

•HORIZONTAL SUPPLY AIR CONFIGURATION 

CONVERSION

Step 6 — Install Condensate Drain . . . . . . . . . . . . .13

•HORIZONTAL UNITS

•VERTICAL UNITS

Step 7 — Pipe Connections . . . . . . . . . . . . . . . . . . .13

•WATER QUALITY GUIDELINES

•INSTALLING SUPPLY AND RETURN HOSE KIT

•UNITS WITH BOILERLESS HEAT CONTROL

•UNITS WITH HOT WATER GENERATOR OPTION

(HEAT RECOVERY PACKAGE/DESUPERHEATER)

•INITIAL START-UP

•UNITS WITH WATERSIDE ECONOMIZER

Step 8 — Wire Field Power Supply . . . . . . . . . . . . .17

•HIGH VOLTAGE WIRING

•ELECTRIC HEATER

•LOW VOLTAGE, CONTROL WIRING

•ECM INTERFACE THERMOSTAT CONNECTIONS

•THERMOSTAT AND DDC SENSORS

•ADDITIONAL CONTROLS OPTIONS WIRING

Step 9 — Configure Unit Control Components . . .21

•UNIT PROTECTION MODULE (UPM)

UPM Standard Safeties and Alarms . . . . . . . . . . . .22

•HI AND LOW REFRIGERANT PRESSURE

PROTECTION

•WATER COIL FREEZE PROTECTION

•AIR COIL FREEZE PROTECTION

•HIGH CONDENSATE LEVEL SHUTDOWN

•INTELLIGENT ALARM RESET

•HARD LOCKOUT RESET

•OPTION CARD

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

System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

•CLEAN AIR COIL

•CONSTANT AIRFLOW (ECM) MOTOR

System Flushing and Filling . . . . . . . . . . . . . . . . . . .38

System Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

•FLOW VERIFICATION

•FLOW REGULATION

•ANTIFREEZE

•FREEZE PROTECTION SELECTION

•START-UP

Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

•ENVIRONMENT

•POWER SUPPLY

•UNIT STARTING CONDITIONS

Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . .41

•COOLING MODE START-UP

•HEATING MODE START-UP

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Unit Protection Module (UPM) . . . . . . . . . . . . . . . . .45

Option Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Sequence of Operation of Units Without DDC

Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

•STANDBY

•COOLING

•HOT GAS REHEAT WITH OPTION CARD (OPTIONAL)

•WATERSIDE ECONOMIZER WITH OPTION CARD

(OPTIONAL)

•AUXILIARY ELECTRIC HEAT (OPTIONAL)

•TWO-POSITION MOTORIZED ISOLATION VALVE

(2-WAY SOLENOID VALVE) (OPTIONAL)

•BOILERLESS HEAT WITH OPTION CARD

(OPTIONAL)

•DIFFERENTIAL PRESSURE SWITCH / FLOW SWITCH

(OPTIONAL)

•REFRIGERANT LEAK DETECTION SYSTEM

(OPTIONAL)

•COMPRESSOR RELAY (OPTIONAL)

•PUMP/VALVE RELAY (OPTIONAL)

Sequence of Operation for Units with TruVu DDC

Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

•SCHEDULING

•INDOOR FAN

•COOLING OPERATION

•HEATING OPERATION

•WATERSIDE ECONOMIZER

Indoor Air Quality and Demand Control Ventilation . .50

•COMPRESSOR STATUS

•DEMAND LIMITING

Aquazone™

50WT 024-070

Two-Stage High Efficiency Water Source Heat

Pumps with Puron Advance™ Refrigerant (R-454B)

Produktspezifikationen