Carrier 61WG 090 User Manual

INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
Water-Cooled/Condenserless
Liquid Chillers/Water-Sourced Heat Pumps
with or without Integrated Hydronic Module
61WG/30WG/30GA 020-090
Original document
Nominal cooling capacity 25-95 kW
Nominal heating capacity 29-117 kW
Unit with optional hydronic module Standard unit
PRO-DIALOG

Carrier 61WG 090 Specifications

General

Brand	Carrier
Model	61WG 090
Category	Air Conditioner
Language	English

Summary

Introduction to Unit Operation

Installation Safety Considerations

Provides safety guidelines for unit installation and handling.

Equipment and Components Under Pressure

Details equipment and components that operate under pressure.

Maintenance Safety Considerations

Outlines safety precautions for maintenance operations.

Repair Safety Considerations

Specifies safety rules for unit repair.

Emergency Measures and Procedures

Lists measures and procedures for emergencies.

Preliminary Unit Checks

Unit Moving and Placement Guidelines

Guidelines for safely moving and positioning the unit.

Application Data

Electrical Connection Guidelines

Control Box Connections and Power Supply

Operation of 61WG Units with Specific Heating Control (Option 153)

Operation of 61WG Units with the Heating System Manager (HSM)

30WG Unit Operation with a Drycooler (Option 154)

Operating Principle

Fan Stage Configuration and Control

Low Temperature Operation and Drycooler Installation

30WGA Unit Operation with a Remote Air-Cooled Condenser (Option 154)

Operating Principle and Lead Fan

Fan Stage Configuration for Remote Condensers

Unit Start-Up Procedures

Preliminary Checks

Essential pre-start checks before unit operation.

Actual Start-Up Procedures

Procedures for the actual unit start-up and testing.

Refrigerant Charge Adjustment

Instructions for adjusting the refrigerant charge.

Oil Charge Adjustment and Multi-Unit Operation

Procedures for oil charge, master/slave, and parallel/serial connections.

Options and Accessories

Key Unit Options

Heating System Manager (HSM) Accessory

Details the HSM accessory for advanced heating system integration.

Maintenance Procedures

General Maintenance and Safety

General system maintenance, soldering, welding, and safety precautions.

Refrigerant Handling and Guidelines

Procedures for refrigerant undercharge and general handling guidelines.

Leak Detection, Evacuation, and Recharging

Steps for detecting leaks, evacuating, and recharging the system.

Electrical and Mechanical Maintenance

Aquasnap Maintenance Program

Maintenance Schedule

Schedule of maintenance tasks based on service frequency (A, B, C, D).

Maintenance Operation Details

Detailed descriptions of maintenance operations for each service level.

Start-Up Checklist

Preliminary Equipment and System Checks

Checklist for verifying equipment and connected systems before start-up.

Unit Start-Up Procedures

Checks and actions required before unit start-up.