Mitsubishi Heavy Industries SRR50ZM-W Manuals

Manuals and User Guides for Mitsubishi Heavy Industries SRR50ZM-W. We have 1 Mitsubishi Heavy Industries SRR50ZM-W manual available for free PDF download: Service Manual

Mitsubishi Heavy Industries SRR50ZM-W Service Manual (167 pages)

INVERTER MULTI-SPLIT SYSTEM RESIDENTIAL AIR-CONDITIONERS

Brand: Mitsubishi Heavy Industries | Category: Air Conditioner | Size: 45 MB

Outline of Operation Control by Microcomputer
9
Operation Control Function by Wireless Remote Control
9
Unit ON/OFF Button
10
Selection of the Annual Cooling Function
11
Heating Only Function
11
Economy Operation
12
Air Flow Direction Adjustment
12
Air Flow Range Setting
14
Display Brightness Adjustment
16
Outline of Automatic Operation
17
Protective Control Function
17
Operation Section
19
Auto Restart Function
20
High Power Operation
21
Auto Operation
23
Timer Operation
24
Night Setback Operation
24
Installing Two Air-Conditioners in the same Room
29
Remote Control Display
31
Silent Operation
33
Protective Control Function
36
Operation Permission/Prohibition Control
43
External Control (Remote Display) /Control of Input Signal
43
Indoor Fan Motor Protection
44
CPU Reset
47
Alert Displays
48
Operation Control Function by the Indoor Control
50
Dehumidifying (DRY) Operation
51
Thermostat Operation
55
Filter Sign Setting
56
Drain Pump Control
57
Operation Check/Drain Pump Test Run Operation Mode
57
Cooling, Dehumidifying Frost Protection
58
Heating Overload Protection
58
Anomalous Fan Motor
58
High Ceiling Control
59
Operation Permission/Prohibition
62
Selection of Cooling/Heating External Input Function
64
Defrost Operation
70
Outline of Cooling Operation
71
Operation of Major Functional Components in Cooling Mode
71
Cooling Overload Protective Control
72
Cooling Low Outdoor Temperature Protective Control
73
Heating High Pressure Control
73
Heating Overload Protective Control
74
Heating Low Outdoor Temperature Protective Control
74
Refrigeration Cycle System Protective Control
75
Maintenance Data
81
Self-Diagnosis Table
83
Service Mode (Trouble Mode Access Function)
84
Service Data
84
Displayed Data
86
Mode Setting
86
Buzzer Sound
90
Inspection Procedures Corresponding to Detail of Trouble
92
Sensor Error
92
Current Cut
93
Current Safe Stop
93
Outdoor Fan Motor Error
95
Rotor Lock
96
Phenomenon Observed after Shortcircuit, Wire Breakage on Sensor
96
Checking the Indoor Electrical Equipment
97
How to Make Sure of Wireless Remote Control
99
Outdoor Unit Inspection Points
100
Diagnosing of Microcomputer Circuit
102
Troubleshooting Procedure
105
Troubleshooting at the Indoor Unit
105
Control PCB
107
Power PCB
108
Troubleshooting at the Outdoor Unit
109
Troubleshooting Flow
113
Operates but Does Not Cool
114
Troubleshooting
114
Operates but Does Not Heat
115
Earth Leakage Breaker Activated
116
Excessive Noise/Vibration
117
All Models
119
Applicable Model
123
Error Detection Method
123
Communication Error at Initial Operation
125
Communication Error During Operation
130
Heating Overload Operation
133
Drain Trouble (FDTC and FDUM Only)
134
Address Setting Error of Indoor Units
136
Indoor Fan Motor Anomaly
137
Applicable Model
138
Error Detection Method
138
Condition of Error Displayed
138
Indoor Fan Motor Rotation Speed Anomaly
139
Discharge Pipe Temperature Error
142
When the Temperature Sensor Detects -55 °C or Lower for
143
Outdoor Heat Exchanger Temperature Sensor Anomaly
143
Outdoor Air Temperature Sensor Anomaly
144
Discharge Pipe Temperature Sensor Anomaly
145
Presumable Cause
145
Current Cut
147
Applicable Model
149
Error Detection Method
149
Active Filter Voltage Error
150
Table of Contents
153
Electrical Wiring
158
Indoor Unit
159
Piping System
166

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Mitsubishi Heavy Industries SRR50ZM-W Service Manual (167 pages)

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