Mitsubishi Electric MUZ-GE12NA2 Manuals

Manuals and User Guides for Mitsubishi Electric MUZ-GE12NA2. We have 1 Mitsubishi Electric MUZ-GE12NA2 manual available for free PDF download: Service Manual

Mitsubishi Electric MUZ-GE12NA2 Service Manual

Mitsubishi Electric MUZ-GE12NA2 Service Manual (75 pages)

Split-type Air Conditioners; Outdoor unit

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 3.17 MB

Table of Contents

Contents
1
Outdoor Unit
1
Service Manual
1
Technical Changes
3
Part Names and Functions
4
Specification
6
Test Condition
9
Operating Range
9
Power Supply
9
Outlines and Dimensions
10
Required Space
10
Wiring Diagram
13
Muz-Ge09Nah Muz-Ge12Nah
14
Muz-Ge09Nah2 Muz-Ge12Nah2
14
Muy-Ge09Na Muy-Ge12Na
15
Muy-Ge09Na2 Muy-Ge12Na2
15
Muz-Ge15Na
16
Muz-Ge15Na2
17
Muz-Ge15Nah2
18
Muy-Ge15Na
18
Muz-Ge18Na
20
Muz-Ge18Nah
21
Muz-Ge24Na
23
Muy-Ge24Na
24
Refrigerant System Diagram
25
Max. Refrigerant Piping Length
27
Max. Height Difference
27
ADDITIONAL REFRIGERANT CHARGE (R410A: Oz.)
27
Data
28
Performance Data
28
Cooling Capacity
28
Cooling Capacity Corrections
28
Heating Capacity
29
Performance Curve
30
Cooling Capacity
30
Heating (MUZ)
31
Standard Operation Data
37
Capacity and Input Correction by Inverter Output Frequency
40
How to Operate Fixed-Frequency Operation
41
Test Run Operation
41
Actuator Control
42
Outdoor Fan Motor Control
42
R.V. Coil Control
42
Relation between Main Sensor and Actuator
42
Muy-Ge09Na2 Muy-Ge12Na2 Muy-Ge15Na2
42
Service Functions
43
Change in Defrost Setting
43
Pre-Heat Control Setting
43
Troubleshooting
44
Cautions on Troubleshooting
44
Failure Mode Recall Function
45
Judgment of Indoor/Outdoor Abnormality
45
Releasing the Failure Mode Recall Function
45
Deleting the Memorized Abnormal Condition
45
Flow Chart of the Detailed Outdoor Unit Failure Mode Recall Function
46
Outdoor Unit Failure Mode Table
47
Troubleshooting Check Table
49
Trouble Criterion of Main Parts
51
How to Check Inverter/Compressor
52
Check of Open Phase
52
Check of Compressor
52
Troubleshooting Flow
52
Check of Compressor Winding
53
Check of Compressor Operation Time
53
Check of Compressor Start Failure
53
Check of Outdoor Thermistors
54
Check of R.V. Coil
54
Check of Outdoor Fan Motor
55
Check of Power Supply
56
Check of LEV
57
Check of Inverter P.C. Board
58
Emergency Operation
58
How to Check Miswiring and Serial Signal Error
59
Electromagnetic Noise Enters into TV Sets or Radios
60
Test Point Diagram and Voltage
61
Inverter P.C. Board
61
Back Side of Unit
61
Front Side of Unit
61
Disassembly Instructions
64
Terminal with Locking Mechanism
64
Removing the Cabinet
64
Removing the Inverter Assembly, Inverter P.C. Board
65
Removing R.V. Coil
65
Operating Procedure
65
Removing the Discharge Temperature Thermistor
66
Removing Outdoor Fan Motor
66
Removing the Compressor and 4-Way Valve
66

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