Yazaki AROACE - User Manual

WATER-FIRED SINGLE-EFFECT
ABSORPTION CHILLER
This product is a water-fired single-effect absorption unit which provides chilled water
for cooling in central plant type air conditioning systems. It is a cooling-only design and
has no innate heating capability. The unit’s nominal refrigeration capacity is 5 tons and
is complete with operating and safety controls. The chiller is energized by a heat
medium (hot water) from a process, cogeneration, solar, or other waste heat source
capable of providing a temperature range of 158 – 203°F (70 – 95°C).
CONTENTS
GENERAL Page
 GENERAL 2
 MODEL DESIGNATION 2
 STANDARD SPECIFICATIONS 3
 EQUIPMENT DIMENSIONS 4
 INTERNAL WIRING DIAGRAM 5
INSTALLATION
 RECEIVING 6
 RIGGING AND MOVING 7
 LOCATION AND CLEARANCES 8
 FOUNDATION 9
Page
 LEVELING 9
 PIPING 10
 CHILLED WATER PIPING 10
 COOLING WATER PIPING 11
 HEAT MEDIUM PIPING 11
 FREEZE PROTECTION 12
 ELECTRICAL 13
 TYPICAL FIELD WIRING DIAGRAM 13
 WATER QUALITY 14
 INSTALLATION CHECK &
REQUEST FOR STARTUP 14
INSTALLATION INSTRUCTIONS
WFC-SC5

Summary

General Information and Model Designation

Model Designation Explained

Explains the nomenclature used to identify the specific Yazaki chiller model.

Standard Specifications

Equipment Dimensions

Internal Wiring Diagram

Installation Guidance

Receiving and Inspection

Instructions and precautions for inspecting and accepting the chiller upon delivery.

Rigging and Moving Procedures

Location and Clearance Requirements

Foundation Preparation

Leveling the Unit

Piping Installation and Considerations

Chilled Water Piping Details

Specific installation details for the chilled water circuit, including valves and insulation.

Cooling Water Piping Details

Specific installation details for the cooling water circuit, including valves and insulation.

Heat Medium Piping Details

Specific installation details for the heat medium circuit, including bypass valves.

Freeze Protection for Piping

Methods and recommendations for preventing freezing in the chiller's fluid loops.

Electrical Connections

Typical Field Wiring Diagram

Diagram showing external wiring connections for pumps, controls, and power supply.

Water Quality Requirements

Installation Check and Startup Request

Yazaki Authorized Service Provider Contact

Yazaki AROACE Specifications

General

Brand	Yazaki
Model	AROACE
Category	Chiller
Language	English