Ingersol Rand Precedent TSC120F Series User Manual

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 and Gas/Electric
10Ton Standard Efficiency Rooftop Units
Service Facts
Model Numbers
TSC120F YSC120F
RT-SVF28F-EN
July 2014

Ingersol Rand Precedent TSC120F Series Specifications

General

Brand	Ingersol Rand
Model	Precedent TSC120F Series
Category	Air Conditioner
Language	English

Summary

Service Facts

Introduction and Safety

Safety Advisories and Definitions

Defines safety advisory types (Warning, Caution, Notice).

Environmental and Refrigerant Practices

Discusses refrigerants, ozone impact, and handling responsibilities.

Copyright and Revision History

Outlines document ownership, trademarks, and revision log.

Technical Specifications

General Data (Cooling & Heating)

Details cooling/heating capacities, EER, IEER, AFUE, and input/output.

Evaporator Fan Performance

Lists fan speeds, static pressure, and motor horsepower.

Electrical Data

Covers unit wiring, MCA, fuse/breaker sizes, and motor specs.

Sequence of Operation

ReliaTel Control System Overview

Introduces microelectronic controls and RTRM functions.

ReliaTel Cooling Operation

Explains cooling stages and economizer use with ReliaTel.

ReliaTel Heating Operation

Describes heating stages and ignition module control.

ReliaTel Dehumidification and Purge Cycles

Details dehumidification, purge cycles, and economizer logic.

Electromechanical Control System

Details cooling and heating operation for electromechanical systems.

Zone Temperature Control

Explains unoccupied, warm-up, and temperature setpoints.

Ignition Module and Diagnostics

Lists diagnostic codes for ignition module failures.

Condensate Overflow Switch

Describes the function of the optional overflow switch.

VAV Units Sequence of Operation

Covers VAV supply air pressure and temperature controls.

Performance Curves and Charts

Unit Pressure Curves

Illustrates discharge vs. suction pressure at various ambient temps.

Subcooling Charging Chart

Guides refrigerant charging based on liquid temp and pressure.

Refrigerant Circuit

Refrigerant Flow Diagram

Shows the path of refrigerant through system components.