Zehnder Rittling VS Series User Manual

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Cooling Fresh Air Clean AirHeating
Vertical Stack
Water Source Heat Pump
Installation, Operation and Maintenance

Zehnder Rittling VS Series Specifications

General

Brand	Zehnder Rittling
Model	VS Series
Category	Heat Pump
Language	English

Summary

General Information

Warnings, Cautions, and Notices

Alerts about potential hazards and safety precautions during operation.

Safety Considerations

Electrical Safety

Warnings and precautions regarding electrical hazards during installation and servicing.

Wiring Diagrams

208-230V, Standard and High Static

Wiring diagram for 208-230V units with standard/high static motors.

208-230V, EC Motor

Wiring diagram for 208-230V units with EC motors.

277V, Standard and High Static

Wiring diagram for 277V units with standard/high static motors.

277V, EC Motor

Wiring diagram for 277V units with EC motors.

Microprocessor Control System

Features

Lists the key features and protective functions of the control system.

Dip Switch Settings and Operation

Explains the configuration and function of the unit's dip switches.

Communicating Thermostat

Communicating Thermostat Operating Instructions

Start-up

Unit Starting and Operating Conditions

Unit Start-up Procedure

Step-by-step instructions for starting up the unit in cooling and heating modes.

Troubleshooting

Technical Diagnosis (Table G)

A guide to diagnosing faults using system warnings and lockouts.

Lockout Modes

Explains various lockout conditions and their causes.

Warranty

Product Warranty Information

Outlines the warranty coverage, limitations, and purchaser obligations.