Qmark MUH254 User Manual

MUH Series
Modular Unit Heaters
Installation, Operation & Maintenance Instructions
ECR 40559 07/15 5200-11106-001
Specifications
Mounting Wiring
B
asic Model Height Width Depth Weight Compartment
No. in (mm) in. (mm) in. (mm) lbs. (kg) Volume
MUH0381 27 (12.2)
M
UH0321 27 (12.2)
MUH0371 27 (12.2)
MUH0341 30 (13.6)
MUH0581 27 (12.2)
MUH0521
16 14 7
1
/
2
27 (12.2)
90 in
3
MUH0571
(406.4) (355.6) (190.5)
27 (12.2)
(14.70 cm
3
)
MUH0541 30 (13.6)
MUH0331 30 (13.6)
MUH0361 30 (13.6)
MUH0531 30 (13.6)
MUH0561 30 (13.6)
MUH078 38 (17.2)
MUH072 38 (17.2)
MUH077 38 (17.2)
MUH074 38 (17.2)
MUH108
21
3
/
4
19 7
1
/
2
38 (17.2) 100 in
3
MUH102
(552.5) (482.6) (190.5)
38 (17.2)
(1639 cm
3
)
MUH107 38 (17.2)
MUH104 38 (17.2)
MUH073 38 (17.2)
MUH076 38 (17.2)
MUH103 38 (17.2)
MUH106 38 (17.2)
M
ounting Wiring
Basic Model Height Width Depth Weight Compartment
No. in (mm) in. (mm) in. (mm) lbs. (kg) Volume
MUH158 54 (24.5)
MUH152 50 (22.7)
MUH154 50 (22.7)
MUH208
21
3
/
4
19 12
3
/
4
60 (27.2)
140 in
3
MUH202
(552.5) (482.6) (323.9)
55 (24.9)
(2295 cm
3
)
MUH204 55 (24.9)
MUH156 55 (24.9)
MUH206 55 (24.9)
MUH252 89 (40.4)
MUH254 89 (40.4)
MUH308
30 26
5
/
8
11
3
/
4
89 (40.4)
504 in
3
MUH302
(76.2) 676.4) (298.5)
89 (40.4)
(8260 cm
3
)
MUH304 89 (40.4)
MUH256 89 (40.4)
MUH306 89 (40.4)
MUH402 119 (54.0)
MUH404 119 (54.0)
MUH508
30 26
5
/
8
17
1
/
4
119 (54.0)
648 in
3
MUH502
(76.2) 676.4) (435.1)
119 (54.0)
(10620 cm
3
)
MUH504 119 (54.0)
MUH406 119 (54.0)
MUH506 119 (54.0)

Qmark MUH254 Specifications

General

Brand	Qmark
Model	MUH254
Category	Heater
Language	English

Summary

Specifications

Important Safety Instructions

General Safety Precautions

Key safety guidelines for using the heater safely and preventing hazards like fire or shock.

Installation Instructions

Heater Location and Installation Requirements

Guidance on proper placement, clearances, and mounting for safe and effective heater installation.

Mounting the Heater

Horizontal Discharge Mounting

Procedures and specifications for mounting the heater horizontally using rod mounts from the ceiling.

Vertical Discharge Mounting

Procedures and specifications for mounting the heater vertically using rod mounts from the ceiling.

Wiring Branch Circuit

Instructions for connecting the heater to the power supply, ensuring correct voltage and amperage.

Control Wiring

Control Wiring Safety and Connections

Safety warnings and procedures for connecting control circuits and thermostats to the heater.

Operating Instructions

Heater Operation Procedure

Steps for turning on the heater and operating it, including referencing accessory instructions.

Over-Temperature Safety Control

Resetting the Safety Control

Instructions on how to reset the heater's internal over-temperature safety control if it trips.

Maintenance Instructions

User Cleaning Procedures

Basic steps for cleaning the heater's exterior and grille openings to maintain performance.

Professional Maintenance Cleaning

Guidelines for periodic deep cleaning and servicing by qualified personnel to ensure efficient operation.

Heater Replacement Parts

Built-in Controls Parts List

List of part numbers for built-in controls like thermostats and switches for specific models.

Limited Warranty and Service

Product Limited Warranty Details

Terms and conditions of the manufacturer's limited warranty for the heater products.

Obtaining Warranty Service Information

How to get warranty service, replacement parts, and general product information from the manufacturer.