Mitsubishi Heavy Industries SCM80ZS-W Manuals

Manuals and User Guides for Mitsubishi Heavy Industries SCM80ZS-W. We have 2 Mitsubishi Heavy Industries SCM80ZS-W manuals available for free PDF download: Service Manual

Mitsubishi Heavy Industries SCM80ZS-W Service Manual (168 pages)

INVERTER MULTI-SPLIT SYSTEM RESIDENTIAL AIR CONDITIONER

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

Contents
3
Outline of Operation Control by Microcomputer
9
Operation Control Function by Wireless Remote Control
9
Operation Section
9
Unit Display Section
9
Unit ON/OFF Button
10
Custom Cord Switching Procedure
10
Auto Restart Function
10
Installing Two Air-Conditioners in the same Room
10
Selection of the Annual Cooling Function
11
Content of Control
11
Heating Only Function
11
High Power Operation
11
Economy Operation
12
Air Flow Direction Adjustment
12
Flap
12
Louver
12
Swing
13
3D Auto Operation
13
Timer Operation
14
Comfort Start-Up
14
Sleep Timer Operation
14
OFF Timer Operation
14
Display Brightness Adjustment
16
AUTO off Operation
16
Outline of Dehumidifying (DRY) Operation
16
Purpose of DRY Mode
16
Outline of Automatic Operation
17
Determination of Operation Mode
17
Protective Control Function
17
Current Safe
18
Cooling Overload Protective Control
18
Detail of Operation
18
Reset Conditions
18
SRK-ZS Series
19
RUN Light (Green)
19
Outline of Heating Operation
69
Defrost Operation
70
Starting Conditions
70
Ending Conditions
70
Outline of Cooling Operation
71
Checking the Indoor Electrical Equipment
98
Indoor Unit PCB Check Procedure
98
Indoor Fan Motor Check Procedure
98
Fan Motor Resistance Check
98
How to Make Sure of Wireless Remote Control
99
Inspection Procedure for Blown Fuse on the Indoor and Outdoor Unit PCB
99
Outdoor Unit Inspection Points
100
Inspection of Electronic Expansion Valve
101
Outdoor Fan Motor Check Procedure
101
Inspection of Electronic Expansion Valve as a Separate Unit
101
Outdoor Unit Main PCB Output Check
101
FDTC, FDUM and FDE Series
102
Diagnosing of Microcomputer Circuit
102
Check Indicator Table
102
Display Sequence of Error Codes or Inspection Indicator Lamps
104
Occurrence of One Kind of Error
104
Error Detecting Timing
104
Error Log and Reset
105
Resetting the Error Log
105
Replacement Part Related to Indoor Unit Pcb’s
105
Instruction of How to Replace Indoor Unit Control PCB
105
FDTC Series
106
Replace the PCB
106
Control PCB
107
Power PCB
108
DIP Switch Setting List
108
Troubleshooting at the Outdoor Unit
109
Module of Part to be Replaced for Outdoor Unit Control
109
Reset of Power Source
109
Check of Anomalous Operation Data with the Remote Control
110
In Case of RC-EX3A Remote Control
110
In Case of RC-E5 Remote Control
111
Inverter Checker for Diagnosis of Inverter Output
112
Setup Procedure of Checker
112
(1) List of Troubles
113
Operates but Does Not Cool
114
Condition of Error Displayed
114
Operates but Does Not Heat
115
Earth Leakage Breaker Activated
116
Excessive Noise/Vibration
117
Louver Motor Failure
120
FDTC and FDE Series Only
120
Power Source System Error
121
Inspect I/U
123
Communication Error at Initial Operation
126
No Display
128
Remote Control Communication Circuit Error
129
Communication Error During Operation
130
Indoor Heat Exchanger Temperature Sensor Anomaly
131
Return Air Temperature Sensor Anomaly
132
Heating Overload Operation
133
Drain Trouble
134
Address Setting Error of Indoor Units
136
Indoor Fan Motor Anomaly
137
Indoor Unit Operation Check
138
Drain Pump Moter Check Setting Error
138
Applicable Model
138
Error Detection Method
138
Condition of Error Displayed
138
Indoor Fan Motor Rotation Speed Anomaly
139
Remote Control Temperature Sensor Anomaly
140
Cooling High Pressure Operation
141
Discharge Pipe Temperature Error
142
Outdoor Heat Exchanger Temperature Sensor Anomaly
143
When the Temperature Sensor Detects -55 °C or Lower for
143
Outdoor Air Temperature Sensor Anomaly
144
Discharge Pipe Temperature Sensor Anomaly
145
Presumable Cause
145
Service Valve (Gas Side) Closing Operation
146
Current Cut
147
Outdoor Unit Sub PCB Communication Error
149
Active Filter Voltage Error
150
Outdoor Fan Motor Anomaly
151
Power Transistor Anomaly
152
Suction Pipe Temperature Sensor Anomaly
153
Table of Contents
153
Insufficient Refrigerant Amount or Detection of Service Valve Closure
154
Current Safe Stop
155
Compressor Startup Failure
156
Compressor Rotor Lock Error
157
Electrical Wiring
158
Wall Mounted Type (SRK)
159
Ceiling Concealed Type
162
4-Way Ceiling Cassette Type (FDTC)
163
Duct Connected-Low / Middle Static Pressure Type
164
Ceiling Suspended Type
165
Piping System
166

Mitsubishi Heavy Industries SCM80ZS-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 SCM80ZS-W Service Manual (168 pages)

Table of Contents

Mitsubishi Heavy Industries SCM80ZS-W Service Manual (167 pages)

Table of Contents

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