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Trane Technologies 4YCZ5048E1090A User Manual

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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.
June 2022
1188--EEBB4411DD11--11AA--EENN
Single Packaged Gas/Electric 15 SEER2 Convertible,
2 - 5 Ton, 60 - 115 KBTU, R-410A
4YCZ5024E1060A
4YCZ5036E1070A
4YCZ5036E1090A
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
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Trane Technologies 4YCZ5048E1090A Specifications

General IconGeneral
Model Number4YCZ5048E1090A
BrandTrane Technologies
CategoryAir Conditioner
Voltage208/230V
Phase1
Refrigerant TypeR-410A
Sound Level74 dB
Cooling Capacity48000 BTU
Compressor TypeScroll

Summary

Safety Section

Product Specifications

Charging in Cooling above 55°F OD Ambient

Unit Installation

Lifting and Rigging

Detailed procedures and safety warnings for properly lifting and rigging the unit during installation.

Ductwork Installation

Gas Piping Installation

Gas Pressure Set-up Precautions

Important precautions regarding gas line pressure testing and setup before connecting the unit.

Verify Manifold Pressure

Steps to check the manifold pressure at the unit's gas valve for correct operation.

Input Check and Adjustment

Method for checking and adjusting the unit's gas input rate based on meter readings.

Electrical Wiring

GROUNDING: THE UNIT MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR THE NATIONAL ELECTRIC CODE.

Mandatory grounding requirements for unit safety and proper ignitor operation.

Unit Startup

Pre-Start Quick Checklist

A comprehensive checklist to verify all installation aspects are completed before unit startup.

Starting the Unit in Cooling Mode

Procedure for initiating the unit's operation in cooling mode via thermostat settings.

Operating Pressure Checks

How to perform checks on suction and discharge pressures to verify proper system operation.

Voltage Check

Procedure for checking the line voltage at the unit to ensure it's within the specified range.

Heating Cycle

Description of the unit's heating cycle operation and thermostat control.

Starting the Unit in the Gas Heating Mode

Step-by-step guide for starting the unit's gas heating operation.

Sequence of Operation

Explanation of how the unit cycles through heating and cooling modes automatically.

Cooling Cycle

Details the unit's operation sequence for single and two-stage cooling modes.

Final Installation Checklist

A final review of all installation steps and unit operation checks before handover.

Maintenance

Service Maintenance

Recommended periodic checks and services by a qualified technician for safe operation.

Manifold Pressure Check and Adjust

Procedure for checking and adjusting the gas manifold pressure for proper heating.

Pressure Curves

Indoor Fan Performance

Refrigerant Circuit

Troubleshooting Chart

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