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MVZ-A12AA7
Mitsubishi Electric MVZ-A12AA7 User Manual
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SER
VICE MANU
AL
Model name
<Indoor unit>
Model name
<Indoor unit>
Series MVZ
MVZ-A12AA4
MVZ-A18AA4
MVZ
-
A24AA4
Air-Conditioners
M-SERIES
MVZ-A12, 18, 24, 30, 36AA7
Multi-Position Air
Handler
INDOOR UNIT
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Safety Precaution
4
Always Observe for Safety
4
Cautions Related to New Refrigerant
4
2 Part Names and Functions
5
3 Specification
6
4 Fan Performance and Corrected Air Flow
8
Mvz-A12Aa7
8
Mvz-A18Aa7
9
Mvz-A24Aa7
10
Mvz-A30Aa7
11
Mvz-A36Aa7
12
Mvz-A12, 18, 24, 30, 36Aa7
13
5 Sound Pressure Levels
14
Sound Pressure Level
14
NC Curves
14
6 Outlines & Dimensions
17
7 Wiring Diagram
19
8 Refrigerant System Diagram
20
9 Heater Control
21
Fan Control
23
CN24RELAY-KIT-CM3 (Optional Parts) Installation
24
10 Humidifier Control
26
Installation
26
11 Erv (Energy Recovery Ventilation) Control
27
12 Troubleshooting
28
Cautions on Troubleshooting
28
Self-Check Function
29
Self-Diagnosis Action Table
31
Troubleshooting by Inferior Phenomena
35
Test Point Diagram
36
Trouble Criterion of Main Parts
38
Thermistor
38
DC Fan Motor (FAN MOTOR/INDOOR CONTROLLER BOARD)
39
Functions of DIP Switch and Jumper Wire
40
13 Disassembly Procedure
41
Control Box
41
Thermistor (Return Air)
42
Coil Assembly
43
Blower/Fan Assembly
45
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Mitsubishi Electric MVZ-A12AA7 Specifications
General
Brand
Mitsubishi Electric
Model
MVZ-A12AA7
Category
Air Handlers
Language
English
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