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Mitsubishi Manuals
Air Conditioner
PUMY-P60NKMU
Technical & service manual
Table Of Contents - Mitsubishi PUMY-P60NKMU Technical & Service Manual
Split-type, heat pump air conditioners
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
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Table of Contents
Table Of Contents
1
Safety Precaution
2
Cautions For Service
3
Additional Refrigerant Charge
3
Service Tools
3
Cautions For Refrigerant Piping Work
4
Overview Of Units
5
Auxiliary Heating On/Off Control Set-Up
5
Recommended Circuit
7
Unit Construction
8
Unit Specifications
9
Method For Identifying Multi-S Model
9
Operating Temperature Range
9
Guaranteed Voltage
9
Specifications
10
Data
11
Cooling And Heating Capacity And Characteristics
11
Method For Obtaining System Cooling And Heating Capacity
11
Standard Operation Data
12
Standard Capacity Diagram
13
Correcting Cooling And Heating Capacity
14
Correcting Changes In Air Conditions
14
Correcting Capacity For Changes In The Length Of Refrigerant Piping
15
High Heating Performance Curve
15
Capacity Correction Curve
15
Noise Criterion Curves
16
Correction Of Heating Capacity For Frost And Defrosting
16
Outlines And Dimensions
17
Wiring Diagram
18
Necessary Conditions For System Construction
19
Transmission System Setup
19
Refrigerant System Diagram
20
System Control
21
Example Of A M-Net Remote Controller System
21
Group Operation System With 2 Outdoor Units And A M-Net Controller
23
Example Of A Ma Remote Controller System
25
Group Operation With 2 Outdoor Units And A Ma Remote Controller
27
Troubleshooting
29
Check Points For Test Run
29
Procedures Of Test Run
29
Special Function Operation And Settings
30
Countermeasures For Error During Test Run
32
Serial Commucication Error
33
Diagnosis Of Defectives
33
Compressor Temperature Trouble
34
Low Pressure Trouble
36
High Pressure Trouble
39
Superheat Due To Low Discharge Temperature Trouble
43
Refrigerant Shortage Trouble
45
Blocked Valve In Cooling Mode
47
4-Way Valve Trouble In Heating Mode
48
Compressor Current Interruption
49
Compressor Overcurrent Interruption
51
Voltage Shortage/Overvoltage
53
Pam Error
53
T Open-Phase
53
Power Synchronization Signal Error
53
Heatsink Temperature Trouble
55
Power Module Trouble
56
Rotational Frequency Of Outdoor Fan Motor Trouble
57
Compressor Temperature Thermistor Open/Short
58
Low-Pressure Saturated Temperature Thermistor Open/Short
59
Piping Temperature Thermistor Open/Short
60
Outdoor Temperature Thermistor Open/Short
61
Hic Piping Temperature Thermistor Open/Short
62
Heatsink Temperature Thermistor Open/Short
63
High-Pressure Sensor Trouble
64
Low-Pressure Sensor Trouble
65
Primary Current Error
66
Duplex Address Error
67
Transmission Processor H/W Error
68
Transmission Bus Busy Error
69
Signal Communication Error With Transmission Processor
70
No Ack Error
71
No Response Frame Error
75
Total Capacity Error
76
Capacity Code Error
77
Connecting Excessive Number Of Units
78
Address Setting Error
79
Remote Controller Diagnosis
80
Remote Controller Trouble
81
Symptoms Not Representing Trouble
82
Internal Switch Function Table
83
Outdoor Unit Input/Output Connector
85
How To Check The Parts
86
Check Method Of Fan Motor
87
How To Check The Components
88
Test Point Diagram
89
Outdoor Controller Board
89
Outdoor Power Board
90
Transmission Power Board
91
Outdoor Unit Functions
92
Electrical Wiring
100
Overview Of Power Wiring
100
Wire Diameter And Main Power Switch Capacity
100
Wiring Diagram For Main Power Supply
100
Design For Control Wiring
101
System Switch Setting
101
Example External Wiring Diagram For A Basic System
101
Selection Number Of Control Wires
101
Method For Obtaining Electrical Characteristics
102
Obtaining The Electrical Characteristics Of A City Multi-S Series
102
Applying To An Electric Power Company For Power And Total Current
102
Refrigerant Piping Tasks
103
Refrigerant Piping System
103
Refrigerant Pipe Airtight Testing Method
106
Precautions Against Refrigerant Leakage
107
Introduction
107
Confirming Procedure Of R410A Concentration
107
Refrigerant Collecting
108
Disassembly Procedure
109
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