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MUZ-FS18NAH
Mitsubishi Electric MUZ-FS18NAH Manuals
Manuals and User Guides for Mitsubishi Electric MUZ-FS18NAH. We have
1
Mitsubishi Electric MUZ-FS18NAH manual available for free PDF download: Service Manual
Mitsubishi Electric MUZ-FS18NAH Service Manual (55 pages)
OUTDOOR UNIT
Brand:
Mitsubishi Electric
| Category:
Air Conditioner
| Size: 11.05 MB
Table of Contents
Table of Contents
1
Technical Changes
2
Part Names and Functions
3
Specification
4
Operating Range
5
Operation
5
Power Supply
5
Test Condition
5
Outlines and Dimensions
6
Muz-Fs06Na Muz-Fs09Na Muz-Fs12Na
8
Wiring Diagram
8
Muz-Fs15Na Muz-Fs18Na
9
Muz-Fs15Nah Muz-Fs18Nah
9
Refrigerant System Diagram
10
Additional Refrigerant Charge
11
Max. Height Difference
11
Max. Refrigerant Piping Length
11
Cooling Capacity
12
Data
12
Performance Data
12
Cooling Capacity Corrections
13
Heating Capacity Corrections
13
Heating Capacity
14
Performance Curve
15
Condensing Pressure
17
Muz-Fs06Na Muz-Fs06Nah
17
Muz-Fs09Na Muz-Fs09Nah
17
Muz-Fs12Na Muz-Fs12Nah
17
Muz-Fs06Na Muz-Fs06Nah Muz-Fs09Na Muz-Fs09Nah
18
Muz-Fs15Na Muz-Fs15Nah
18
Muz-Fs18Na Muz-Fs18Nah
18
Standard Operation Data
20
Capacity and Input Correction by Inverter Output Frequency
21
Correction of Cooling Capacity
21
Correction of Cooling Total Input
21
Correction of Heating Capacity
21
Correction of Heating Total Input
22
How to Operate Fixed-Frequency Operation
22
Actuator Control
23
Outdoor Fan Motor Control
23
R.V. Coil Control
23
Relation between Main Sensor and Actuator
23
Change in Defrost Setting
24
Pre-Heat Control Setting
24
Service Functions
24
Before Troubleshooting
25
Troubleshooting
25
Blinking Pattern When the Indoor Unit Is Abnormal
26
Failure Mode Recall Function
26
Outline of the Function
26
Deleting the Memorized Abnormal Condition
27
Flow Chart of the Detailed Outdoor Unit Failure Mode Recall Function
27
Releasing the Failure Mode Recall Function
27
Outdoor Unit Failure Mode Table
28
Troubleshooting Check Table
30
Measure the Resistance with a Tester
32
Troubleshooting Criterion of Main Parts
32
Check of Compressor
33
Check of Open Phase
33
How to Check Inverter/Compressor
33
Troubleshooting Flow
33
Check of Compressor Operation Time
34
Check of Compressor Start Failure
34
Check of Compressor Winding
34
Check of Outdoor Thermistors
35
Muz-Fs06/09/12
35
Muz-Fs15/18
35
Check of R.V. Coil
36
Unit Operates in COOL Mode Even if It Is Set to HEAT Mode
36
Unit Operates in HEAT Mode Even if It Is Set to COOL Mode
36
Check of Outdoor Fan Motor
37
Check of Power Supply
38
Check of LEV (Expansion Valve)
39
Check of Inverter P.C. Board
40
How to Check Miswiring and Serial Signal Error
41
Check of Defrost Heater
42
Check of Outdoor Refrigerant Circuit
42
Electromagnetic Noise Enters into TV Sets or Radios
43
Back Side of Unit
44
Front Side of Unit
44
Inverter P.C. Board
44
Test Point Diagram and Voltage
44
"Terminal with Locking Mechanism" Detaching Points
46
Disassembly Instructions
46
Removing the Cabinet
46
Removing R.V. Coil
47
Removing the Inverter Assembly, Inverter P.C. Board
47
Removing the Discharge Temperature Thermistor
48
Removing Outdoor Fan Motor
49
Removing the Compressor and 4-Way Valve
49
Removing the Inverter Assembly and Inverter P.C. Board
51
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