Trane Precedent YZC072F - User Manual

Packaged Rooftop Air Conditioners
Precedent™ with eFlex™
Technology, Gas/Electric
3 to 10 Tons - 60 Hz
Installation, Operation, and Maintenance
January 2021
RT-SVX46G-EN
Model Numbers:
YZC036E YZC072F
Model Numbers:
YZC048F YZC090F
Model Numbers:
YZC060E YZC102F
Model Numbers:
YZC120F
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.

Trane Precedent YZC072F Specifications

General

Model Number	YZC072F
Category	Air Conditioner
Cooling Capacity	72, 000 BTU/h
EER	11.2
HSPF	Not Applicable
Voltage	208/230V
Phase	3
Frequency	60 Hz
Compressor Type	Scroll
Refrigerant	R-410A

Summary

Introduction and Safety Guidelines

Warnings, Cautions, and Notices

Safety advisories throughout the manual guide safe operation and observance of precautions.

Field Wiring and Grounding Safety

Field wiring must be done by qualified personnel to avoid fire and electrocution hazards.

Personal Protective Equipment (PPE)

Technicians must wear proper PPE to protect against electrical, mechanical, and chemical hazards.

EHS Policies and Regulations

Stresses adherence to company EHS policies and local regulations for safety.

Model Number Description and Notes

Model Number Structure Overview

General Information

Unit Inspection, Storage, and Identification

Pre-Installation Safety

Fiberglass Wool Handling Safety

Warns about fiberglass wool hazards and details required PPE and first aid.

Dimensions, Weights, and Lifting Safety

Unit Installation Clearances

Lifting Safety Precautions

Warns about lifting heavy objects and emphasizes proper equipment and testing.

Installation Procedures

Site Preparation and Structural Requirements

Covers foundation, ductwork, roof curb installation, and combustible material safety.

Unit Rigging and Placement

Provides instructions for rigging, lifting, and general unit installation checklist.

Electrical and Gas Supply Installation

Covers main electrical power requirements and through-the-base gas installation.

Pre-Start Procedures

Voltage, Phasing, and Component Checks

Explains voltage imbalance requirements and electrical phasing checks for motors.

Unit Startup Procedures

Safety Checks and System Setup