Bosch TA025 User Manual

Installation and Maintenance Manual
TA Series
6 720 220 046
Revised 03-11

Bosch TA025 Specifications

General

Brand	Bosch
Model	TA025
Category	Heat Pump
Language	English

Summary

Initial Inspection

General Description

Moving and Storage

Safety Considerations

Location

Installation

Mounting Vertical Units

Instructions for mounting vertical units, including pad requirements.

Mounting Horizontal Units

Condensate Drain

Duct System

Piping

Specifications and recommendations for water piping connections.

Electrical

Requirements for field wiring and compliance with electrical codes.

ECM Interface Board

ECM Interface Board Thermostat Connections

Description of thermostat wiring and terminal functions on the ECM board.

Motor Profile Air Flow Table

Safety Devices and the UPM Controller

Considerations for Electric Heater Package

Electric Heater Package Option

Well Water Systems

Sequence of Operation – Two Stage Units

Cooling Mode

Step-by-step operation during the cooling cycle.

Heating Mode

Step-by-step operation during the heating cycle.

Installation of Pressure Regulating Valves

Cooling Tower/Boiler Systems

Earth Coupled Systems

System Checkout

Unit Start-Up

Heat Recovery Package

Typical Connection Piping

Water Tank Preparation

Steps for preparing a water tank for heat recovery connection.

HR Water Piping

Specifications for hot water piping for the heat recovery system.

Water Tank Refill

Initial Start-Up

Maintenance

Troubleshooting

Well Water Application

Cooling Tower/Boiler Application

Earth Coupled Application

Typical Wiring Diagram: Single Phase ECM Blower Motor

Typical Wiring Diagram: Single Phase ECM Blower Motor–Electric Heat

Operating Pressures & Temperatures

Operating Pressures & Temperatures (Continued)

Operating Pressures & Temperatures (Continued)

Operating Pressures & Temperatures (Continued)

Unit Check-Out Sheet

Troubleshooting

Troubleshooting (Continued)