Trane UCCA 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.
Performance Climate Changer Air Handler
Model UCCA
Sizes 3-30
*X39641253010*
Installation, Operation
and Maintenance
X-39641253010
CLCH-SVX009A-EN
January 2014

Trane UCCA Specifications

General

Model Number	UCCA
Category	Air Handlers
Airflow	Up to 2000 CFM
Voltage	208/230V
Motor Type	ECM
Cabinet	Galvanized Steel
Filter Type	1"
Dimensions (H x W x D)	Varies by model, see product data
Weight	Varies by model, see product data

Summary

Warnings, Cautions, and Notices

Electrical and PPE Safety Requirements

Emphasizes qualified personnel for safe electrical wiring, grounding, and mandatory PPE usage.

Harmful Ultraviolet (UV) Lights

Model Number Description

Mechanical Installation

Lifting and Rigging Procedures

Details procedures for safely lifting and rigging the air handler unit.

Coil Piping and Connections

Steam Coil Piping Configurations

Water Coil Piping

Refrigerant Coil Piping

Liquid Lines

Suction Lines

Expansion Valves

Remodel, Retrofit, or Replacement

R-410A Refrigerant Safety

Warns about R-410A pressures and requirements for service equipment.

Field-Installed Evaporator Piping Examples

Single-Circuit Evaporator Coil with Two Distributors

Dual-Circuit Evaporator Coil Piping

Dual-Circuit Unit with Four Distributors

Electrical Requirements

Wiring Diagrams and Supply Power

States where to find wiring diagrams and covers installer responsibilities for power supply.

Electrical Safety and Grounding

Warns about motor winding damage and provides guidance on electrical grounding.

VFD Wiring Schematic

Starter Wiring Schematic

Start-Up Procedures

Pre-Startup and General Checks

Lists essential checks for unit installation, connections, and general readiness before operation.

Fan and Coil Related Checks

Details checks for fan components, bearings, sheaves, belts, and coil piping.

Motor Related Checks and Unit Operation

Covers motor checks, voltage imbalance calculation, and operational safety warnings.

VFD Programming Parameters

Lists factory default VFD parameters and contact for support.

Fan Belt Tensioning

Sheave Alignment and Belt Checks

Routine Maintenance

Safety Procedures and Maintenance Checklist

General safety warnings for maintenance and a comprehensive checklist for routine tasks.

Refrigerant Coil Cleaning and Coil Winterization

Drain Pans, Motor Replacement, and Low Limit Switch

Fan Inspection and Bearing Alignment

Troubleshooting

Safety Warnings and Troubleshooting Recommendations

General safety warnings for troubleshooting and a table of common issues and solutions.

Troubleshooting Recommendations

Continues the table of common symptoms, probable causes, and recommended actions for troubleshooting.