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PUHY-P1050
Mitsubishi Electric PUHY-P1050 Manuals
Manuals and User Guides for Mitsubishi Electric PUHY-P1050. We have
3
Mitsubishi Electric PUHY-P1050 manuals available for free PDF download: Service Handbook
Mitsubishi Electric PUHY-P1050 Service Handbook (334 pages)
Brand:
Mitsubishi Electric
| Category:
Air Conditioner
| Size: 14.06 MB
Table of Contents
Chapter 1 Check before Servicing
8
Safety Precautions
2
Table of Contents
8
Preparation for Piping Work
12
Read before Servicing
12
Tool Preparation
13
Handling and Characteristics of Piping Materials, Refrigerant, and Refrigerant Oil
14
Piping Materials
14
Pipe Processing
16
Storage of Piping Materials
16
Characteristics of the New and Conventional Refrigerants
17
Refrigerant Oil
18
Working with Refrigerant Piping
19
Pipe Brazing
19
Air Tightness Test
20
Vacuum Drying
21
Refrigerant Charging
22
Precautions for Wiring
23
Cautionary Notes on Installation Environment and Maintenance
25
Chapter 2 Restrictions
26
System Configurations
28
Types and Maximum Allowable Length of Cables
29
Switch Settings
30
Address Settings List
31
M-NET Address Settings
31
Outdoor Unit Centralized Controller Switch Setting
32
Outdoor Unit Power Jumper Connector Connection
32
Room Temperature Detection Position Selection
32
Miscellaneous Settings
33
Start/Stop Control of Indoor Units
33
Various Control Methods Using the Signal Input/Output Connector on Outdoor Unit
34
Demand Control Overview
37
System Connection Example
39
Example System with an MA Remote Controller
41
Single Refrigerant System (Automatic Indoor/Outdoor Address Startup)
41
Single Refrigerant System with Two or more LOSSNAY Units
43
Grouped Operation of Units in Separate Refrigerant Circuits
45
System with a Connection of System Controller to Centralized Control Transmission Line
47
System with a Connection of System Controller to Indoor-Outdoor Transmission Line
49
Example System with an ME Remote Controller
51
System with a Connection of System Controller to Centralized Control Transmission Line
51
Example System with an MA and an ME Remote Controller
53
System with a Connection of System Controller to Centralized Control Transmission Line
53
2-10 Restrictions on Refrigerant Pipes
55
Restrictions on Refrigerant Pipe Length
55
Restrictions on Refrigerant Pipe Size
58
Chapter 3 Major Components, Their Functions and Refrigerant Circuits
60
External Appearance and Refrigerant Circuit Components of Outdoor Unit
62
External Appearance of Outdoor Unit
62
Outdoor Unit Refrigerant Circuits
65
Outdoor Unit Refrigerant Circuit Diagrams
68
Functions of the Major Components of Outdoor Unit
70
Functions of the Major Components of Indoor Unit
73
Chapter 4 Electrical Components and Wiring Diagrams
74
Outdoor Unit Circuit Board Arrangement
76
Outdoor Unit Control Box
76
Fan Box
79
Control Board
80
Outdoor Unit Circuit Board Components
80
M-NET Board (Transmission Power Supply Board)
81
INV Board
82
Fan Board
84
Noise Filter
85
Capacitor Board
87
Connect Board
88
Outdoor Unit Electrical Wiring Diagrams
89
Transmission Booster Electrical Wiring Diagrams
91
Chapter 5 Control
92
Dipswitch Functions and Factory Settings
94
Outdoor Unit Switch Functions and Factory Settings
94
Indoor Unit Switch Functions and Factory Settings
98
Remote Controller Switch Functions and Factory Settings
100
Initial Control
102
Outdoor Unit Control
102
Overview
102
Rotation Control
102
Startup Control
102
Refrigerant Bypass Control
103
Frequency Control
104
Defrost Operation Control
105
Continuous Heating Mode Control
106
Refrigerant Recovery Control
107
Control at Initial Startup
108
Outdoor Unit Fan Control
108
Refrigerant Flow Control (Linear Expansion Valves 2A and 2B)
108
Subcool Coil Control (Linear Expansion Valve 1)
108
Emergency Operation Mode
111
Compressor Heater Control (P450 and P500 Models)
114
Control of IH Energization Without the Compressor in Operation (Not Applicable to the P450 and P500 Models)
114
Demand Control
114
Operation Mode
114
Operation Flowcharts
115
Operation Sequence Flowchart
115
Actions Performed in Different Modes
117
Chapter 6 Test Run
120
Read before Test Run
122
Function/Specification Comparison
123
Local Remote Controller Selection Tips
123
MA and ME Remote Controller Functions and Specifications
123
Address Registration
124
Making the Group and Interlock Settings from an ME Remote Controller
124
Overview
124
Address Search
126
Address Deletion
127
Making Group and Interlock Settings from Another Remote Controller
127
Selecting Remote Controller Functions from an ME Remote Controller
128
MA Remote Controller (PAR-31MAA)
130
Making Interlock Settings from an MA Remote Controller
130
MA Remote Controller (PAR-21MAA)
131
MA Simple Remote Controller
133
Changing the Room Temperature Detection Position
136
MA Remote Controller (PAR-31MAA)
137
Test Run Method
137
MA Remote Controller (PAR-21MAA)
139
Checking the Refrigerant Charge During Operation
140
Evaluating and Adjusting Refrigerant Charge
140
Operation Characteristics and Refrigerant Charge
140
Refrigerant Overcharge and Undercharge
140
The Amount of Refrigerant to be Added
141
Refrigerant Charge Adjustment Mode
144
6-10 the Following Symptoms Are Normal
146
Single Unit (Standard)
147
Standard Operation Data (Reference Data)
147
Cooling Operation
148
Heating Operation
148
Dual Unit Combination (Standard)
151
Triple Unit Combination (Standard)
162
Chapter 7 Troubleshooting Using Error Codes
172
Error Code and Preliminary Error Code Lists
174
Error Code Definitions and Solutions: Codes [0 - 999]
178
Error Code [0403]
178
Error Code [0404]
179
Error Code Definitions and Solutions: Codes [1000 - 1999]
180
Error Code [1102]
180
Error Code [1301]
181
Error Code [1302] (During Operation)
182
Error Code [1302] (at Startup)
183
Error Code [1500]
183
Error Code Definitions and Solutions: Codes [2000 - 2999]
184
Error Code [2500] (Models with a Drain Sensor)
184
Error Code [2500] (Models with a Float Switch)
185
Error Code [2502] (Models with a Drain Sensor)
186
Error Code [2502] (Models with a Float Switch)
187
Error Code [2503]
188
Error Code [2600]
189
Error Code [2601]
189
Error Code Definitions and Solutions: Codes [3000 - 3999]
190
Error Code [3121]
190
Error Code Definitions and Solutions: Codes [4000 - 4999]
191
Error Code [4102]
191
Error Code [4106]
192
Error Code [4109]
192
Error Code [4115]
193
Error Code [4116]
193
Error Code [4121]
194
Error Code [4124]
195
Error Codes [4220, 4225, 4226] Detail Code 108
196
Error Codes [4220, 4225, 4226] Detail Code 109
197
Error Code [4220] Detail Code 110
198
Error Codes [4220, 4225, 4226] Detail Code 111, 112
198
Error Code [4220] Detail Code 123
199
Error Code [4220] Detail Code 124
199
Error Code [4230] Detail Code 125
200
Error Codes [4220, 4225, 4226] Detail Code 131
200
Error Code [4230] Detail Code 126
201
Error Code [4240]
202
Error Codes [4250, 4255, 4256] Detail Code 101
203
Error Codes [4250, 4255, 4256] Detail Code 104
204
Error Code [4250] Detail Codes 106 and 107
205
Error Codes [4250, 4255, 4256] Detail Code 105
205
Error Code [4250] Detail Codes 121, 128, and 122
206
Error Code [4260]
206
Error Code Definitions and Solutions: Codes [5000 - 5999]
207
Error Codes [5101, 5102, 5103, 5104]
207
Error Codes [5102,5103,5104,5105,5106,5107,5109,5111]
208
Error Code [5110]
209
Error Code [5120]
210
Error Code [5201]
210
Error Code [5301] Detail Code 115
211
Error Code [5301] Detail Code 117
211
Error Code [5301] Detail Code 119
212
Error Code [5301] Detail Code 120
212
Error Code [5301] Detail Code 127
213
Error Codes [5305, 5306] Detail Code 132
213
Error Code [5701]
214
Error Codes [5305, 5306] Detail Code 133
214
Error Codes [5305, 5306] Detail Code 134
214
Error Code Definitions and Solutions: Codes [6000 - 6999]
215
Error Code [6201]
215
Error Code [6202]
215
Error Code [6600]
216
Error Code [6601]
216
Error Code [6602]
217
Error Code [6603]
218
Error Code [6606]
218
Error Code [6607] Error Source Address = Outdoor Unit (OC)
219
Error Code [6607] Error Source Address = Indoor Unit (IC)
220
Error Code [6607] Error Source Address = LOSSNAY (LC)
221
Error Code [6607] Error Source Address = ME Remote Controller
222
Error Code [6607] Error Source Address = System Controller
223
Error Code [6607] All Error Source Addresses
224
Error Code [6607] no Error Source Address
225
Error Code [6608]
226
Error Code [6831]
227
Error Code [6832]
228
Error Code [6833]
229
Error Code [6834]
230
Error Code [6840]
231
Error Code [6841]
231
Error Code [6842]
232
Error Code [6843]
233
Error Code [6846]
234
Error Code Definitions and Solutions: Codes [7000 - 7999]
235
Error Code [7100]
235
Error Code [7101]
236
Error Code [7102]
237
Error Code [7105]
238
Error Code [7106]
238
Error Code [7110]
239
Error Code [7111]
239
Error Code [7113]
240
Error Code [7117]
241
Error Code [7130]
242
Chapter 8 Troubleshooting Based on Observed Symptoms
244
MA Remote Controller Problems
246
The LCD Does Not Light up
246
The LCD Momentarily Lights up and then Goes off
247
HO" and "PLEASE WAIT" Do Not Go off the Screen
248
Air Conditioning Units Do Not Operate When the on Button Is Pressed
249
ME Remote Controller Problems
250
The LCD Does Not Light up
250
The LCD Momentarily Lights up and then Goes off
251
HO" Does Not Go off the Screen
252
88" Appears on the LCD
253
Refrigerant Control Problems
254
Units in the Cooling Mode Do Not Operate at Expected Capacity
254
Units in the Heating Mode Do Not Operate at Expected Capacity
256
Outdoor Units Stop at Irregular Times
258
Checking Transmission Waveform and for Electrical Noise Interference
259
M-Net
259
MA Remote Controller
261
Comparing the High-Pressure Sensor Measurement and Gauge Pressure
262
High-Pressure Sensor Configuration (63HS1)
262
Pressure Sensor Circuit Configuration and Troubleshooting Pressure Sensor Problems
262
Comparing the Low-Pressure Sensor Measurement and Gauge Pressure
263
Low-Pressure Sensor Configuration (63LS)
263
Troubleshooting Solenoid Valve Problems
264
Troubleshooting Outdoor Unit Fan Problems
266
General Overview on LEV Operation
267
Troubleshooting LEV Problems
267
Possible Problems and Solutions
270
Coil Removal Instructions
271
Inverter-Related Problems and Solutions
273
Troubleshooting Inverter Problems
273
Checking the Compressor for Ground Fault and Coil Resistance Problems
275
Checking the Inverter Board Error Detection Circuit
275
Checking the Inverter for Damage at No-Load
275
Checking the Inverter for Damage During Compressor Operation
276
Checking the Converter for Damage During Compressor Operation
278
Checking the Fan Board Error Detection Circuit at no Load
278
Checking the Fan Motor for Ground Fault and Coil Resistance Problems
278
Checking the Fan Inverter for Damage at no Load
279
Checking the Fan Inverter for Damage with Load
280
Checking the Installation Conditions
280
Solutions for the Main Earth Leakage Breaker Trip
281
Solutions for the Main No-Fuse Breaker Trip
281
Simple Check on Inverter Circuit Components
282
Troubleshooting Problems with IGBT Module
282
8-10 Control Circuit
285
Control Power Supply Function Block
285
Indoor Unit
286
Troubleshooting Problems with Outdoor Unit Transmission Power Supply Circuit
287
8-11 Measures for Refrigerant Leakage
290
8-12 Compressor Replacement Instructions
292
Troubleshooting Problems Using the LED Status Indicators on the Outdoor Unit
294
Chapter 9 Led Status Indicators on the Outdoor Unit Circuit Board
296
How to Read the LED
298
LED Status Indicators
298
Initial LED Display
299
Clock Memory Function
300
LED Status Indicators Table
301
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Mitsubishi Electric PUHY-P1050 Service Handbook (355 pages)
Brand:
Mitsubishi Electric
| Category:
Air Conditioner
| Size: 8 MB
Table of Contents
Safety Precautions
2
Precautions for Handling Units for Use with the Product
4
Before Installing the Unit
5
Before the Test Run
7
Table of Contents
8
Read before Servicing
10
Read before Servicing
12
I Read before Servicing
12
Necessary Tools and Materials
13
Piping Materials
14
Copper Pipe Materials
14
Types of Copper Pipes
14
Radial Thickness
14
Flare Processing
15
Flare Nut
15
Storage of Piping
16
Pipe Processing
16
Sealing the Pipe Ends
16
Brazing
17
Air Tightness Test
18
Vacuum Drying (Evacuation)
19
Vacuum Pump with a Reverse-Flow Check Valve
19
Required Precision of Vacuum Gauge
19
Procedures for Stopping Vacuum Pump
19
Refrigerant Charging
20
Remedies to be Taken in Case of a Refrigerant Leak
20
Characteristics of the Conventional and the New Refrigerants
21
Refrigerant Composition
21
Pressure Characteristics
21
Notes on Refrigerating Machine Oil
22
Effects of Contaminants
22
Restrictions
24
System Configuration
26
Table of Compatible Indoor Units
26
High COP Combinations
27
Types and Maximum Allowable Length of Cables
28
Wiring Work
28
Control Wiring
28
M-NET Transmission Line
28
Switch Settings and Address Settings
29
Remote Controller Wiring
29
M-NET Address Settings
30
Power Supply Switch Connector Connection on the Outdoor Unit
31
Settings for the Centralized Control Switch for the Outdoor Unit
31
Selecting the Position of Temperature Detection for the Indoor Unit
31
Various Start-Stop Controls (Indoor Unit Settings)
31
Cooling-Only Setting for the Indoor Unit
32
Various Controls Using Input-Output Signal Connector on Outdoor Unit
32
Example of Wiring Connection
33
Demand Control
34
Contact Input and Control Content
34
8-Step Demand Control
35
12-Step Demand Control
35
Sample System Connection
36
An Example of a System to Which an MA Remote Controller Is Connected
37
Wiring Method
38
Indoor/Outdoor Transmission Line
38
MA Remote Controller Wiring
38
Address Setting Method
38
Sample Control Wiring
39
LOSSNAY Connection
40
Group Operation of Units in a System with Multiple Outdoor Units
41
An Example of a System to Which an ME Remote Controller Is Connected
47
An Example of a System to Which both MA Remote Controller and ME Remote Controller Are Connected
49
Restrictions on Pipe Length
51
Refrigerant Pipe Size
53
Outdoor Unit Components
56
Outdoor Unit Components and Refrigerant Circuit
58
Front View of an Outdoor Unit
58
Refrigerant Circuit Parts
60
Control Box of the Outdoor Unit Parts
62
Outdoor Unit Circuit Board
63
Fan Board
66
Remote Controller
68
Functions and Specifications of MA and ME Remote Controllers
70
Comparison of MA and ME Remote Controllers
70
Remote Controller Selection Criteria
70
Group Settings and Interlock Settings Via the ME Remote Controller
71
To Return to the Normal Display
72
Remote Controller Function Selection Via the ME Remote Controller
73
To Delete Group Settings
73
To Delete Interlock Settings
73
Skip-Auto-Mode Setting (Making Automatic Operation Mode Unselectable)
74
Operation Mode Display Selection Mode
74
Restricted Preset Temperature Range Mode
74
Temperature Range Setting for Heating/Automatic Mode
74
Interlock Settings Via the MA Remote Controller
75
Using the Built-In Temperature Sensor on the Remote Controller
76
Selecting the Position of Temperature Detection
76
Electrical Wiring Diagram
78
Electrical Wiring Diagram of the Outdoor Unit
80
Electrical Wiring Diagram of Transmission Booster
82
Refrigerant Circuit
84
Refrigerant Circuit Diagram
86
Principal Parts and Functions
88
Control
92
Functions and Factory Settings of the Dipswitches
94
Outdoor Unit Switches
94
Function of the Switch (Indoor Unit)
98
Function of the Switch - Remote Controller
99
Controlling the Outdoor Unit
101
Startup Sequence Rotation
101
Initial Control
101
Control at Start-Up
101
Bypass Control
102
Compressor Frequency Control
103
Pressure Limit
103
Discharge Temperature Limit
103
Periodic Frequency Control
103
Defrost Operation Control
104
Pipe Temperature
104
Stopping the Defrost Operation
105
Problems During Defrost Operation
105
Change in the Number of Operating Indoor Units During Defrosting
105
Refrigerant Recovery Control
106
Capacity Control of Outdoor Fan
106
Subcool Coil Control (Linear Expansion Valve LEV1)
107
Refrigerant Flow Control
107
Control at Initial Start-Up
107
Emergency Operation Mode
110
Starting the Emergency Operation
110
Ending the Emergency Operation
111
Communication Circuit Failure or When some of Outdoor Units Turned off
111
Operation Mode
112
Operation Flow Chart
114
Mode Determination Flowchart
114
Operations in each Mode
116
Test Run Mode
120
Items to be Checked before a Test Run
122
Test Run Method
123
Operating Characteristic and Refrigerant Amount
124
Adjusting the Refrigerant Amount
124
Amount of Refrigerant to be Added
125
Refrigerant Amount Adjust Mode
127
The Following Symptoms Are Normal
129
Standard Operation Data (Reference Data)
130
2-Unit Combination
136
3-Unit Combination
162
Single Unit (High-COP)
176
Troubleshooting
210
Error Code Lists
212
Responding to Error Display on the Remote Controller
215
Troubleshooting According to Remote Malfunction/External Input Error
267
Both for MA Remote Controller and ME Remote Controller
275
Investigation of Transmission Wave Shape/Noise
280
Troubleshooting Principal Parts
283
High-Pressure Sensor Troubleshooting
283
Low-Pressure Sensor Troubleshooting
284
Solenoid Valve Troubleshooting
285
Outdoor Unit Fan Troubleshooting
286
LEV Troubleshooting
288
Inverter Troubleshooting
294
Inverter Output Related Troubles
296
Trouble Treatment When the Main Power Breaker Is Tripped
298
Trouble Treatment When the Main Power Earth Leakage Breaker Is Tripped
298
Checking Procedure for Individual Components of Main Inverter Circuit
299
Troubleshooting for IGBT Module
299
Control Circuit Troubleshooting
301
Control Power Source Function Block
301
Indoor Unit
301
Troubleshooting Transmission Power Circuit of Outdoor Unit
302
Refrigerant Leak Troubleshooting
303
Leak Spot: in the Case of Extension Pipe for Indoor Unit
304
Leak Spot: in the Case of Outdoor Unit (Heating Season)
304
Compressor Replacement Instructions
305
Troubleshooting Using the Outdoor Unit LED Error Display
307
LED Monitor Display on the Outdoor Unit Board
308
How to Read the LED on the Service Monitor
310
LED Display at Initial Setting
310
Time Data Storage Function
311
LED Monitor Display - Current Data
312
LED Monitor Display - Data before Error
322
LED Monitor Display - Data on Indoor Unit System
329
LED Monitor Display - Setting Data
336
Data on Indoor Unit System
337
Other Types of Data
352
Mitsubishi Electric PUHY-P1050 Service Handbook (302 pages)
Brand:
Mitsubishi Electric
| Category:
Air Conditioner
| Size: 7.33 MB
Table of Contents
Safety Precautions
2
Before Installing the Unit
5
Electrical Work
6
Table of Contents
8
Read before Servicing
10
Read before Servicing
12
I Read before Servicing
12
Necessary Tools and Materials
13
Piping Materials
14
Storage of Piping
16
Pipe Processing
16
Brazing
17
Air Tightness Test
18
Vacuum Drying (Evacuation)
19
Refrigerant Charging
20
Remedies to be Taken in Case of a Refrigerant Leak
20
Characteristics of the Conventional and the New Refrigerants
21
Notes on Refrigerating Machine Oil
22
Restrictions
24
System Configuration
26
Types and Maximum Allowable Length of Cables
28
Switch Settings and Address Settings
29
Sample System Connection
36
An Example of a System to Which an MA Remote Controller Is Connected
37
An Example of a System to Which an M-NET Remote Controller Is Connected
47
An Example of a System to Which both MA Remote Controller and M-NET Remote Controller Are Connected
49
Restrictions on Pipe Length
51
Outdoor Unit Components
56
Outdoor Unit Components and Refrigerant Circuit
58
Control Box of the Outdoor Unit
60
Outdoor Unit Circuit Board
61
Inv Board
63
Fan Board
64
Noise Filter
65
Remote Controller
66
Functions and Specifications of MA and ME Remote Controllers
68
Group Settings and Interlock Settings Via the ME Remote Controller
69
Interlock Settings Via the MA Remote Controller
73
Using the Built-In Temperature Sensor on the Remote Controller
74
Electrical Wiring Diagram
76
Electrical Wiring Diagram of the Outdoor Unit
78
Electrical Wiring Diagram of Transmission Booster
79
Refrigerant Circuit
80
Refrigerant Circuit Diagram
82
Principal Parts and Functions
83
Control
88
Functions and Factory Settings of the Dipswitches
90
Controlling the Outdoor Unit
96
Defrost Operation Control
99
Refrigerant Recovery Control
100
Emergency Operation Mode
104
Operation Mode
106
Operation Flow Chart
108
Test Run Mode
114
Items to be Checked before a Test Run
116
Test Run Method
117
Operating Characteristic and Refrigerant Amount
118
Adjusting the Refrigerant Amount
118
Refrigerant Amount Adjust Mode
121
The Following Symptoms Are Normal
123
Standard Operation Data (Reference Data)
124
Troubleshooting
162
Error Code Lists
164
Responding to Error Display on the Remote Controller
167
Error Code 7110/7111
213
Investigation of Transmission Wave Shape/Noise
228
Troubleshooting Principal Parts
231
Indoor Unit
248
Refrigerant Leak
250
Compressor Replacement Instructions
252
Troubleshooting Using the Outdoor Unit LED Error Display
254
LED Monitor Display on the Outdoor Unit Board
256
How to Read the LED on the Service Monitor
258
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