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Qmark MUH074 User Manual

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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)
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Qmark MUH074 Specifications

General IconGeneral
BrandQmark
ModelMUH074
CategoryHeater
LanguageEnglish

Summary

Important Safety Instructions for MUH Series Heaters

General Safety Precautions

Essential safety guidelines to reduce risks of fire, electric shock, and injury.

Usage Restrictions and Environment

Details on intended use, prohibited locations, and hazardous atmospheres.

MUH Series Heater Installation Guidelines

Wiring Branch Circuit for MUH Heaters

MUH Heater Wiring and Configuration

Single to Three-Phase Power Conversion

Instructions for converting single-phase to three-phase power wiring.

MUH Heater Control Wiring and Operation

Control Wiring Safety Precautions

Warning about line voltage on terminals and need for power disconnection.

MUH Heater Safety Control and Maintenance

Resetting the Over-Temperature Safety Control

Procedure for resetting the internal limit switch if activated.

General Maintenance Warnings

Disconnection of power and ensuring cool elements before servicing.

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