Trane Precedent YSC090H - User Manual

April 2020
RT-SVF55F-EN
SAFETY WARNING
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.
Packaged Rooftop Air Conditioners
Precedent™– Cooling, Gas/Electric
7.5 Ton Standard Efficiency Rooftop Units
Service Facts
Model Numbers
TSC090H YSC090H

Trane Precedent YSC090H Specifications

General

Model	YSC090H
Category	Air Conditioner
Type	Packaged Rooftop Unit
Cooling Capacity	90, 000 BTU/h
Energy Efficiency Ratio (EER)	11.2
Refrigerant Type	R-410A
Compressor Type	Scroll
Voltage	208/230V
Phase	3

Summary

Service Facts: Packaged Rooftop Air Conditioners

Introduction and Safety Overview

Critical Safety Instructions

Essential safety guidelines for wiring, grounding, and personal protective equipment.

EHS Policies and Document Details

EHS Policy Compliance Requirements

Mandates adherence to company and local Environmental, Health, and Safety policies.

General Data and Specifications

Cooling and Heating Performance Specs

Details on cooling capacity, EER, IEER, and heating output parameters.

Performance Data: Fan and Heater Specs

Evaporator Fan Speed Charts

Tables showing fan RPM and BHP for various motor/sheave settings and static pressures.

Pressure Curves

Cooling Cycle Pressure Curve

Graph showing discharge vs. suction pressure for different ambient conditions.

Subcooling Charging Charts

Charging Chart for 320 cfm;ton

Charging Chart for 400 cfm;ton

Charging Chart for 480 cfm;ton

Refrigerant Circuit Diagram

Cooling System Flow Path