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Carrier 30GA User Manual

Carrier 30GA
16 pages
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Carrier 30GA Specifications

General IconGeneral
RefrigerantR-134a
EfficiencyHigh Efficiency
Compressor TypeScrew
Control SystemMicroprocessor-based control
DimensionsVaries by model
WeightVaries by model

Summary

Dimension Drawing and Specifications

Unit Dimensions and Clearances

Details the physical size, mounting hole dimensions, and required clearances for airflow and servicing.

Installation Procedures

Rigging and Unit Placement

Provides guidelines for lifting, moving, and positioning the unit safely and correctly.

Compressor Mounting and Piping

Details compressor mounting on springs and requirements for chilled water and drain piping connections.

Power Supply and Field Wiring

Covers main and control power connections, compliance with codes, and wiring practices.

Initial Checks and Preparations

Start-Up and System Preparation

Refrigerant Charging and Oil

Details the process for charging refrigerant and checking compressor oil levels.

Protection and Safety Devices

Compressor Protection Mechanisms

Details circuit breakers, over-temperature protectors, and crankcase heaters for compressor safety.

Unit Operation and Control

Sequence of Operation and Timers

Chilled Water Temperature Control

Troubleshooting Guide

Compressor Operational Problems

Lists causes and remedies for compressor not running, stopping, or cycling issues.

System and Component Troubleshooting

Addresses issues like system noises, oil loss, frosted lines, and unloader problems.