Qmark MUH0541 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 MUH0541 Specifications

General

Brand	Qmark
Model	MUH0541
Category	Heater
Language	English

Summary

Specifications

Important Safety Instructions

Installation Instructions

Heater Location Guidelines

Guidelines for selecting optimal heater placement to ensure proper airflow and safe operation.

General Heater Mounting

General guidance on mounting orientations and access door considerations.

Horizontal Ceiling Mounting

Steps for ceiling mounting the heater horizontally using threaded rods.

Vertical Ceiling Mounting

Steps for ceiling mounting the heater vertically using threaded rods.

Wiring Branch Circuit

Instructions for connecting the heater to the power supply, including voltage and wire sizing.

Screw Lug Torque Importance

Crucial note on checking screw lug connection tightness to prevent hazards.

Control Wiring

Operating the Heater

Procedures for powering on and operating the heater after installation.

Over-Temperature Safety Control Reset

Maintenance Instructions

User Cleaning Procedures

Basic steps for users to clean the heater's exterior and grille openings.

Professional Maintenance Cleaning

Annual cleaning and servicing by qualified personnel for optimal performance.

Heater Replacement Parts

Limited Warranty

Obtaining Warranty Service and Parts

Information on how to get warranty service, purchase parts, and general product support.