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McQuay MDS 150B

McQuay MDS 150B
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Service Manual
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Engineered for flexibility and performance
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Table of Contents

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McQuay MDS 150B Specifications

General IconGeneral
BrandMcQuay
ModelMDS 150B
CategoryCompressor
LanguageEnglish

Summary

Introduction

Digital Scroll Compressor

Explains the technology and product lineup of digital scroll compressors.

Commissioning Software

Setup of Smart Commander

Guides users through configuring the Smart Commander software for system communication.

Smart Commander Software Interface

Describes the Circuit Monitor and Server Monitor windows of the software.

Commissioning

Add in additional refrigerant

Methods for calculating and adding required refrigerant based on piping length.

Confirm Indoor Dipswitch Setting

Guidance on setting indoor unit type, capacity, address, and function via dipswitches.

Confirm Outdoor Dipswitch Setting

Instructions for setting outdoor unit dipswitches for model, capacity, and address.

Troubleshooting

Locating Error Code

Identifies where error codes are displayed for different types of indoor and outdoor units.

Error Code for Decorative Type Indoor

Lists error codes, descriptions, and possible causes for decorative indoor units.

Indoor Error Code for Wired Controller MC301

Details error codes specific to wired controllers, including system and sensor malfunctions.

Outdoor Error Code for MDOM PCB

Outlines error codes for the MDOM PCB, covering communication, sensor, and system failures.

Troubleshooting Flow Chart

Provides flowcharts for diagnosing common issues like sensor failures and communication errors.

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