McQuay WHR 070 - User Manual

Details on the chilled water sensor and the mandatory installation of a flow switch.

Description and operation of the Arrangement W single condenser heat recovery system.

Description and operation of the Arrangement H dual condenser heat recovery system.

General considerations for refrigerant piping with remote air-cooled condensers.

Requirements for safe installation and routing of pressure relief valve piping.

Electrical data for compressor motor amp draw under various voltage and load conditions.

Electrical data for wire sizing based on unit size, voltage, and power supply configuration.

Overview of the control center, its layout, and electrical service considerations.

Guidelines for field power wiring, conduit entry, and component connections.

Essential checks and procedures required before initiating unit startup.

Step-by-step instructions for starting the chiller unit after pre-startup checks.

Procedures for safe servicing of the control center and its electrical components.

Guidelines for checking and maintaining the compressor oil level.

Interpreting sightglass indications for refrigerant charge and moisture.

Function and startup requirements for crankcase heaters.

Procedure for changing refrigerant filter-driers.