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EAIRC-MJ Series
Panasonic EAIRC-MJ Series Service Manual
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SM830195-04_Mini VRF SYS.indb 6
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Table of Contents
Default Chapter
1
Indoor Unit
1
Outdoor Unit
1
Service Manual
1
Please Read before Starting
2
Special Precautions
2
Check of Density Limit
4
Table of Contents
5
Control Functions
7
Section 1: CONTROL FUNCTIONS
7
Introduction
8
Compressor Control
9
Special Controls
14
Operation of Solenoid Valves
18
Other Control
18
Outdoor Unit Electronic Control Valve (Motor Valve) Control [MOV1]
18
Outdoor Fan Control
19
Indoor Unit Electronic Control Valve (Motor Valve) Control
20
Indoor Special Control
21
Current Protection
25
Discharge Gas Temperature
25
Pressure Sensor Failure
26
Way Valve Failure [L18]
26
Servicing and Maintenance Functions
27
Demand Control
28
Detailed Settings in EEPROM of Outdoor Unit
29
Outdoor Unit Repair Procedures
31
Layout Diagram: Sensors and Solenoid Valves
32
Removing Panels
33
Discharging Oil in Compressor
34
Recovering Refrigerant
35
Checking for Leakage after Repair
40
Evacuating System
41
Pumping out Refrigerant from Outdoor Unit
42
Compressor
44
High Pressure Sensor
47
Outdoor Unit Maintenance Remote Controller
49
Overview
50
Functions
51
Ordinary Display Controls and Functions
52
Monitoring Operations
57
Outdoor Unit Alarm History Monitor
59
Mode Settings
60
Remote Controller Functions
63
Simple Settings Function
64
Detailed Settings Function
70
Remote Controller Servicing Functions
83
Trouble Diagnosis
89
Section 5: TROUBLE DIAGNOSIS
89
Contents of Remote Controller Switch Alarm Display
90
Outdoor Unit Control Panel LED Display
92
Mini VRF System Alarm Codes
93
Inspection of Parts (Outdoor Unit)
139
Symptom: Thermostat in off Continues or Cycles off & on too Frequently
140
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Panasonic EAIRC-MJ Series Specifications
General
Brand
Panasonic
Model
EAIRC-MJ Series
Category
Air Conditioner
Language
English
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