McQuay MWM-LW User Manual

Nomenclature
8
Nomenclature
(Ducted Blower B series)
M DB 75 B W – A X AB - R
Size (Cooling/Heating)
75 : 75,600 / 78,000 btu/hr
100 : 95,000 / 97,500 btu/hr
125 : 125,000 / 138,000 btu/hr
150 : 150,000 / 170,000 btu/hr
Brand
M : McQuay
Product Type
DB : Ducted Blower
Product Series
B : B series
Electrical Characteristics
A : 50Hz / 1Ph / 220-240V
F : 50Hz / 3Ph / 380-415V
Model
W : Chilled Water Fan Coil
Type of ref. connection
X : Not applicable
RoHS Compliance
Product Specification Variation

McQuay MWM-LW Specifications

General

Brand	McQuay
Model	MWM-LW
Category	Air Conditioner
Language	English

Summary

Nomenclature

Wall Mounted Fan Coil Unit Nomenclature

Explains the model coding for wall-mounted fan coil units.

Cassette Fan Coil Unit C Series Nomenclature

Details the model coding for cassette fan coil units (C series).

Cassette Fan Coil Unit A Series Nomenclature

Explains the model coding for cassette fan coil units (A series).

Ceiling Cassette E Series Nomenclature

Details the model coding for ceiling cassette fan coil units (E series).

Ceiling Mounted D Series Nomenclature

Explains the model coding for ceiling mounted fan coil units (D series).

Ceiling Mounted E Series Nomenclature

Details the model coding for ceiling mounted fan coil units (E series).

Ceiling Concealed Nomenclature

Explains the model coding for ceiling concealed fan coil units.

Ducted Blower B Series Nomenclature

Details the model coding for ducted blower fan coil units (B series).

Application Information

Operating Limits for Fan Coil Units

Details operating limits for MWM, MCK, MCC, and MDB series fan coil units.

Installation Guide

System Configuration and Jumper Settings

Explains system configuration options using jumpers.

Valve, Heat and Fan Priority Setting

Details settings for valve, heat, and fan priority.

Controller Functions and Modes

Explains controller functions like Unoccupied, Anti-Freeze, Load Shedding modes.

Cable Size Recommendations

Sound Data

Sound Pressure Level Data

Presents sound pressure levels for various fan coil unit models across frequencies.

Noise Criteria (NC) Curves

Shows Noise Criteria (NC) curves for different fan coil unit models.

Selection Process

Pulley Data and Motor Specifications

Summarizes pulley data and motor specifications for MDB series units.

Fan Performance Charts

Fan Performance Curves by Model

Displays fan performance curves for MCC and MDB series units.

Engineering & Physical Data

Unit Specifications by Model Series

Provides detailed engineering and physical data for MWM, MCK, MCM, MCC, MDB series units.

Outlines & Dimensions

MWM Series Unit Dimensions

Displays outline and dimensions for MWM series indoor units.

MCK Series Unit Dimensions

Shows outline and dimensions for MCK series indoor units.

MCM Series Unit Dimensions

Displays outline and dimensions for MCM series indoor units.

MCC Series Unit Dimensions

Shows outline and dimensions for MCC series indoor units.

MDB Series Unit Dimensions

Displays outline and dimensions for MDB series indoor units.

Wiring Diagrams

MWM Series Wiring Diagrams

Wiring diagrams for MWM07/10/15/20/25LW and MWM301W models.

MCK Series Wiring Diagrams

Wiring diagrams for MCK20/25/30/40/50AW, MCK020/025/030/040/050EW, MCK010/015/020CW models.

MCM Series Wiring Diagrams

Wiring diagrams for MCM20/25/30/40/50DW and MCM15/20/25EW models.

MCC Series Wiring Diagrams

Wiring diagrams for MCC010/015/020/025CW and MCC028/030/038/040/050/060CW models.

MDB Series Wiring Diagrams

Wiring diagrams for MDB75BW, MDB100BW, MDB125/150BW models.

Service & Maintenance

Maintenance Procedures and Schedule

Details maintenance tasks, procedures, and recommended schedules for unit components.

Troubleshooting and Diagnostics

Model to Board Mapping

Maps product models to their respective controller boards.

Self-Diagnostic Tables for Boards

Lists fault indications, error codes, and actions for various controller boards.