Hisense Hi-Therma AHZ-120HCDS1 User Manual

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READ AND UNDERSTAND
THIS MANUAL BEFORE
USING THIS HEAT-PUMP
AIR CONDITIONER.
KEEP THIS MANUAL
FOR FUTURE REFERENCE.
M01355Q
ORIGINAL INSTRUCTIONS
-+($73803287'22581,7 -
Series MODEL
AHZ-100HCDS1
AHZ-120HCDS1
AHZ-140HCDS1
AHZ-160HCDS1
AHZ-100HEDS1
AHZ-120HEDS1
AHZ-140HEDS1
AHZ-160HEDS1
Hi-Therma

Hisense Hi-Therma AHZ-120HCDS1 Specifications

General

Brand	Hisense
Model	Hi-Therma AHZ-120HCDS1
Category	Heat Pump
Language	English

Summary

GENERAL INFORMATION

1.2 GENERAL SAFETY

Covers safety precautions for servicing, refrigerant handling, equipment checks, and general operational safety.

SAFETY

2.2 ADDITIONAL INFORMATION

Provides critical safety warnings regarding water, electrical parts, fire, installation locations, and general precautions.

TRANSPORTATION AND HANDLING

TRANSPORTATION AND HANDLING PROCEDURES

UNIT INSTALLATION

7.1 INSTALLATION SPACE

Specifies required clearances around the unit for proper operation, ventilation, and maintenance.

REFRIGERANT CIRCUIT

8.1 REFRIGERANT CHARGE

8.2 PRECAUTIONS IN THE EVENT OF REFRIGERANT LEAKS

Outlines the risks associated with refrigerant leaks and necessary safety precautions.

SPACE HEATING AND DHW

9.2 REQUIREMENTS AND RECOMMENDATIONS FOR HYDRAULIC CIRCUIT

9.3 WATER FILLING

9.4 DHW TANK SELECTION AND INSTALLATION

Covers selecting a DHW tank, safety devices, and installation procedures.

ELECTRICAL AND CONTROL SETTINGS

10.1 GENERAL CHECK

10.2 WIRING

10.3 TERMINAL BOARD CONNECTIONS

Explains wiring of unit, controller, power supply, DHW, and auxiliary heaters.

10.4 WIRING OF AUXILIARY ELECTRIC HEATER

10.6 WIRING SIZE AND MINIMUM REQUIREMENTS OF THE PROTECTION DEVICES

10.7 SETTING OF DIP SWITCHES ON PCB1

Explains the settings for DIP switches on PCB1 for unit model, capacity, and various functions.

10.8 SETTING OF DIP SWITCHES ON PCB2

TEST RUN

11.1 CHECKLIST BEFORE TEST RUN

Provides a comprehensive checklist of items to verify before commencing system test runs.

11.2 CHECKLIST DURING TEST RUN

Lists essential checks and operations to perform during the test run phase.

11.3 CHECK THE MINIMUM FLOW RATE

MAIN SAFETY DEVICES