Bosch LV Series - User Manual

Installation and Maintenance Manual
LV Series Heat Pump
8 733 905 683 (2013/4)
LV007 Thru LV070

Bosch LV Series Specifications

General

Brand	Bosch
Model	LV Series
Category	Heat Pump
Language	English

Summary

Model Nomenclature

General Description

Moving and Storage

Instructions for safely moving and storing the heat pump units.

Initial Inspection

Location

Water Quality

Installation

Duct Flanges

Information on fold-out duct flanges for easier installation and handling.

Mounting Vertical Units

Mounting Horizontal Units

Converting Horizontal Supply Air Configuration

Condensate Connections

Duct System

Piping

Electrical - High Voltage

Electrical - Low Voltage

UNITS CONTROLS - UPM

ECM Interface Board

Explanation of the ECM interface board, thermostat connections, and indicator LEDs.

UPM Operation and Features

HGRH Switch Operation

How the HGRH switch selects operating modes for reheat coils or cool-to-dehumidify.

Sequence of Operation

General UPM Operation

UPM Safety Features

Identification and explanation of UPM safety features and connection points.

Cooling and Heating Modes

How the unit operates in cooling and heating modes based on thermostat signals.

UPM Safety Sensors

UPM Board Settings and Defaults

TEST DIP SWITCH

FREEZE SENSOR Configuration

OPTIONS

Extended Range Option

Description of the extended range option for extreme fluid temperatures.

Unit Mounted Non-Fused Disconnect Switch

Hot Gas Reheat

Hot Gas Bypass

Internal 2-Way Water Valve

Economizer

LED Annunciator

Flow Proving Switch

DDC Controls

APPLICATION CONSIDERATIONS

Boiler;Cooling Tower Systems

Guidelines for maintaining water loop temperatures for cooling tower/boiler systems.

Geothermal Closed Loop Systems

Open Well Water Systems

CERTIFIED PERFORMANCE TABLE

LV Series AHRI Ratings

Table showing AHRI ratings for LV series heat pumps with PSC and ECM motors.

FAN MOTOR OPTIONS

Permanent Split Capacitor Motors (PSC)

Details on the standard PSC motor and how to change fan speeds.

Constant Torque Motors (ECM)

Constant Airflow Motors (ECM)

STANDARD BLOWER MOTOR DATA

Standard Blower Motor Electrical Data

Electrical data for standard blower motors.

Constant Torque ECM Blower Motor Electrical Data

Constant CFM ECM Blower Motor Electrical Data

UNIT START UP

MAINTENANCE

Unit Check Out Sheet

Customer Data

Section for recording customer information.

Unit Nameplate Data

Fields to record unit make, model, and serial number.

Operating Conditions

Data fields for recording operating parameters in cooling and heating modes.

Auxiliary Heat

Fields for auxiliary heat unit data.

TROUBLESHOOTING

UNIT TROUBLESHOOTING

Table listing problems, modes, checks, causes, and actions for troubleshooting.

TEMPERATURE;PRESSURE TABLE

OPERATING DATA

Table showing operating data (temperatures and pressures) for cooling and heating.

WATERSIDE PRESSURE DROP TABLE

COMPRESSOR CHARACTERISTICS

WATER COIL VOLUME

CORNER WEIGHTS (HZ)

WIRING DIAGRAMS

PSC Motor Single Phase Base Unit Wiring

Wiring diagram for single phase PSC motor base unit (Fig #14).

PSC Motor Three Phase Base Unit Wiring

Wiring diagram for three phase PSC motor base unit (Fig #15).

ECM Constant Torque Motor Single Phase Wiring

Wiring diagram for single phase constant torque ECM motor base unit (Fig #16).

ECM Constant Airflow Motor Single Phase Wiring

Wiring diagram for single phase constant airflow ECM fan motor base unit (Fig #17).

PSC Motor Three Phase Base Unit Wiring (Fig #18)

Wiring diagram for three phase PSC motor base unit (Fig #18).

PSC Motor with Economizer Single Phase Wiring

Wiring diagram for single phase unit with waterside economizer (Fig #19).

ECM Constant Airflow Motor Three Phase Wiring

Wiring diagram for three phase constant airflow ECM fan motor base unit (Fig #20).

DIMENSIONAL DRAWINGS

Vertical Unit Dimensions

Table showing dimensional data for vertical unit configurations.

Horizontal Unit Dimensions

NOTES