Trane 4YCZ5048E1115A User Manual

SSAAFFEETTYY WWAARRNNIINNGG
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
February 2023
1188--EEBB4411DD11--11BB--EENN
Single Packaged Gas/Electric 15 SEER2 Convertible,
2 - 5 Ton, 60 - 115 KBTU, R-410A
4YCZ5024F1060A
4YCZ5036F1070A
4YCZ5036F1090A
4YCZ5048E1090A
4YCZ5048E1115A
4YCZ5060E1115A
NNoottee:: “Graphics in this document are for representation
only. Actual model may differ in appearance.”
NNoottee:: “Unit specific Service Facts available online.”
Installation and Operations Manual

Trane 4YCZ5048E1115A Specifications

General

Model	4YCZ5048E1115A
Category	Chiller
Type	Air-Cooled
Compressor Type	Scroll
Refrigerant	R-410A

Summary

Introduction, Unit Inspection and Specification

Product Specifications

Details unit specifications including cooling, heating, compressor, and coil data for various models.

Charging in Cooling above 55°F OD Ambient

Procedure for checking and adjusting refrigerant charge based on liquid line temperature and pressure.

Determine Unit Clearances

Provides recommended service and combustible material clearances for unit installation.

Review Location and Recommendation Information

Unit Installation

Gas Piping Installation

Safety warnings and procedures for connecting gas piping, including pressure checks.

Electrical Wiring

Safety warnings and guidelines for connecting electrical power and wiring to the unit.

Power Wiring

Details on running power supply lines, conduit, and making high-voltage connections.

Control Wiring (Class II)

Guidelines for routing and connecting low-voltage thermostat and control wiring.

Unit Startup

Pre-Start Quick Checklist

A comprehensive checklist for ensuring all installation steps are completed before unit startup.

Starting the Unit in Cooling Mode

Operating Pressure Checks

Instructions for checking system pressures and comparing them to service facts for proper operation.

Voltage Check

Heating Cycle

Starting the Unit in the Gas Heating Mode

Final Installation Checklist

Maintenance

Manifold Pressure Check and Adjust

Procedure for checking and adjusting gas manifold pressure for optimal burner performance.

ECM Fan Motor Adjustments

Pressure Curves

Troubleshooting Chart