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FDC500KXZXE1
Mitsubishi Heavy Industries FDC500KXZXE1 Manuals
Manuals and User Guides for Mitsubishi Heavy Industries FDC500KXZXE1. We have
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Mitsubishi Heavy Industries FDC500KXZXE1 manual available for free PDF download: Service Manual
Mitsubishi Heavy Industries FDC500KXZXE1 Service Manual (168 pages)
VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS
Brand:
Mitsubishi Heavy Industries
| Category:
Air Conditioner
| Size: 12.64 MB
Table of Contents
Contents
2
Outline of Operation Control by Microcomputer
3
Remote Control (Option Parts)
3
Wired Remote Control
3
Icon Display
3
Wireless Remote Control
5
Indication Section
5
Operation Section
5
Operation Control Function by the Wired Remote Control
6
CPU Reset
6
Power Failure Compensation Function
6
Operation and Setting from Remote Control
8
Parts Layout on Remote Control PCB
10
Operation Control Function by the Indoor Control
11
Operations of Functional Items During Cooling/Heating
11
Dehumidifying Operation
11
Timer Operation
11
Combination of Patterns Which Can be Set for the Timer Operations
12
Remote Control Display During the Operation Stop
12
Hot Start (Cold Draft Prevention at Heating)
12
Contents of Operation
12
Ending Condition
13
Hot Keep
13
Auto Swing Control (FDT, FDTC, FDTW, FDTS, FDE Only)
13
Louver Control
13
Thermostat Operation
14
Automatic Louver Level Setting During Heating
14
Louver-Free Stop Control
14
Fan Control During Heating Thermostat off
15
Fan Control During Cooling Thermostat off
15
Filter Sign
16
Compressor Inching Prevention Control
16
Drain Pump Control
16
Drain Motor (DM) Control
17
Operation Check/Drain Pump Test Run Operation Mode
17
Cooling, Dehumidifying Frost Protection
17
Anomalous Fan Motor
18
High Ceiling Control
18
External Input/Output Control (Cnt or Cnta)
18
Output for External Control (Remote Display)
19
Remote Operation Input
19
Operation Permission/Prohibition
20
Selection of Cooling/Heating External Input Function
21
Return Air Temperature Compensation
22
High Power Operation (RC-EX1A Only)
22
Energy-Saving Operation (RC-EX1A Only)
22
Home Leave Mode (RC-EX1A Only)
23
Auto Temp. Setting (RC-EX1A Only)
23
Fan Circulator Operation (RC-EX1A Only)
23
Auto Fan Speed Control (RC-EX1A Only)
23
Operation Control Function by the Outdoor Control
24
Normal Control
24
Compressor Control (Master Unit/Slave Unit)
25
Starting Compressor
25
Compressor Starting Order
25
Outdoor Fan Control (Master Unit/Slave Unit)
29
Outdoor Fan Speed and Fan Motor Rotation Speed
29
Outdoor Fan Control in Cooling Mode
29
Outdoor Fan Control in Heating Mode
29
Defrosting (Master Unit/Slave Unit)
30
Conditions for Starting Defrost
30
Conditions for Finishing Defrost
30
Protective Control
31
High Pressure Protective Control/Error
31
Low Pressure Protective Control/Error
31
Discharge Pipe Temperature Control/Error
31
Auto Backup Operation
32
Test Run
34
Starting Conditions of Test Run Operation
34
Control During Test Run (if Indoor Units Are Normal)
34
Option Controls
35
External Input Terminal
35
External Input and Demand Input
35
Demand Control
36
3 Step Demand Control
37
Demand Control from Indoor Unit
38
Silent Mode Control
39
Sound Level (Reference Data)
39
Outdoor Fan Snow Protection Control (Master Unit/Slave Unit)
40
Outdoor Operation Mode
40
Forced Cooling /Heating Operation (Master Unit)
43
Emergency Stop Control
43
Operation and Error Signal Output (Master Unit/Slave Unit)
44
External Output
44
Pump down Control for Replacement (Master Unit/Slave Unit)
45
Pump-Down Operation by External Input
46
Pump down External Input
46
Sample of System Configuration
47
Data Output
50
7-Segment Display and Operation Data Retention
50
Individual Definition of Display Contents
50
Compressor Stop Causes
57
Definition of Signal
57
Saving of Operation Data
58
Error Retention and Monitoring Data
58
System Troubleshooting Procedure
69
Explanation of Troubleshooting
70
Inspection of Short-Circuit on the Power Transistor Module Terminals
70
Contents of Troubleshooting
71
List of Inspection Displays
71
Operates but Does Not Cool
72
Operates but Does Not Heat
73
Earth Leakage Breaker Activated
74
Excessive Noise/Vibration
75
Louver Motor Anomaly
78
Power Supply System Anomaly
79
Power Supply System Error
80
Wait
81
Outdoor Unit Signal Line Error
90
Communication Error During Operation
91
Indoor Heat Exchanger Temperature Thermistor Anomaly (Thi-R)
92
Drain Trouble
94
Address Setting Error between Master and Slave Indoor Units
96
Address Setting Error by Mixed Setting Method
97
Indoor Fan Motor Anomaly
98
Address Setting Error of Master and Slave Indoor Units
99
Indoor Unit Operation Check, Drain Motor Check Mode Anomaly
100
Indoor Fan Motor Rotation Speed Anomaly
101
Defective Panel Switch Operation (FDT)
102
Remote Control Temperature Thermistor Anomaly (Thc)
103
Duplicated Outdoor Unit Address No.
104
Open L3 Phase on Power Supply at Primary Side
105
Discharge Pipe Temperature Error (Tho-D1)
106
Outdoor Air Temperature Thermistor Anomaly (Tho-A)
108
Discharge Pipe Temperature Thermistor Anomaly (Tho-D1)
109
High Pressure Anomaly
110
Power Transistor Overheat
111
Current Cut (CM1)
112
Liquid Flooding Anomaly
114
Mixed Address Setting Methods Coexistent in same Network
116
Outdoor DC Fan Motor Anomaly
117
Low Pressure Anomaly
119
Suction Pipe Temperature Thermistor Anomaly
120
Under-Dome Temperature Thermistor Anomaly
120
High Pressure Sensor Anomaly (PSH)
121
Low Pressure Sensor Anomaly (PSL)
121
Power Transistor Temperature Thermistor Anomaly (Tho-P1)
122
Anomalous Compressor by Loss of Synchronism
123
Compressor Startup Failure (CM1)
124
Communications Error between the Master Unit and Slave Units
125
Emergency Stop
126
Precautions for Safety
127
Control PCB Voltage Measurement Points
130
Outdoor Unit Transistor Module Replacement Procedure
131
Function of Dip Switch for Control (SW3, 4, 5)
132
Function of Jumper Wire (J13, 15)
132
Function of Connection
133
Control PCB Input
133
Control PCB Output
133
Control PCB Input/Output
133
Electrical Wiring
134
Piping System
136
Application Data
138
Before Beginning Installation
139
Accessory
139
Combination Patterns
139
Option Parts
139
Installation Location
140
Selecting the Installation Location
140
Unit Delivery and Installation
140
Installation Space (Service Space) Example
140
Refrigerant Piping
141
Restrictions on the Use of Pipes
141
Limitation on Use of Pipes
141
Piping Material Selection
141
Pipe Size Selection
142
Selection of an Outdoor Unit Side Branching Pipe Set
143
Selection of an Indoor Unit Side Branching Pipe Set
143
Pipe Connection Position and Pipe Direction
144
Piping Work
145
Air Tightness Test and Air Purge
146
Vacuuming
146
Additional Oil Charge
146
Method of Operating Operation Valves
146
Additional Refrigerant Charge
147
Adding Additional Refrigerant
147
Heating and Condensation Prevention
147
Electrical Wiring Work
148
Drainage
148
Wiring System Diagrams
148
Method of Connecting Power Cables
149
Notabilia in Connecting Power Cables
149
Outdoor Unit Power Source Specifications
149
Method of Connecting Signaling Wires
150
Indoor and Outdoor Units Signal Cables
150
Remote Control Wiring Specifications
150
Control Settings
151
Unit Address Setting
151
Manual Address Setting
152
Example of Address Setting (Manual)
152
Automatic Address Setting
152
Address Setting Procedure
153
Network Connection
153
Network Polarity Setting
153
Network Setting Completion Check
153
Address Change (Available Only with New SL)
154
Operating Procedure
154
7 Segment Display Indication in Automatic Address Setting
155
Items that Are to be Set by the Customer
155
Change of Control
156
Address Setting Failure Indication
156
External Input and Output Terminals Specifications
157
Test Operation and Transfer
158
Before Starting Operation
158
Method of Check Operation
158
Refrigerant Quantity Check
159
Guideline of Accuracy
159
Method of Refrigerant Quantity Check Operation
160
After the Refrigerant Quantity Check Operation
160
Test Operation
161
Transfer
161
Cautions for Servicing
161
Instructions for Installing the Branch Pipe Set
162
Parts List
162
How to Select a Branching Pipe
164
Example of Piping
165
Branching Type Configuration
165
Header Type Configuration
165
Procedure to Attach or Remove the Front Panel
166
Assembly and Removal of Front Panel
166
Location of Claws on Front Panel
166
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