Mitsubishi Electric PUHY-HP500YSNW-A Manuals

Manuals and User Guides for Mitsubishi Electric PUHY-HP500YSNW-A. We have 1 Mitsubishi Electric PUHY-HP500YSNW-A manual available for free PDF download: Service Handbook

Mitsubishi Electric PUHY-HP500YSNW-A Service Handbook (310 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 27.59 MB

Table of Contents
8
Chapter 1 Check before Servicing
10
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
Storage of Piping Materials
16
Pipe Processing
16
Differences in Refrigerant Properties
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
M-NET Address Settings
31
Address Settings List
31
Outdoor Unit Power Jumper Connector Connection
32
Outdoor Unit Centralized Controller Switch Setting
32
Room Temperature Detection Position Selection
32
Start/Stop Control of Indoor Units
33
Miscellaneous Settings
33
Various Control Methods Using the Signal Input/Output Connector on Outdoor Unit
34
Demand Control Overview
36
System Connection Example
38
Example System with an MA Remote Controller
39
Single Refrigerant System (Automatic Indoor/Outdoor Address Startup)
39
Single Refrigerant System with Two or more LOSSNAY Units
41
Grouped Operation of Units in Separate Refrigerant Circuits
43
System with a Connection of System Controller to Centralized Control Transmission Line
45
System with a Connection of System Controller to Indoor-Outdoor Transmission Line
47
Example System with an ME Remote Controller
49
System with a Connection of System Controller to Centralized Control Transmission Line
49
Example System with an MA and an ME Remote Controller
51
System with a Connection of System Controller to Centralized Control Transmission Line
51
2-10 Restrictions on Refrigerant Pipes
53
Restrictions on Refrigerant Pipe Length
53
Restrictions on Refrigerant Pipe Size
56
Chapter 3 Major Components, Their Functions and Refrigerant Circuits
58
External Appearance and Refrigerant Circuit Components of Outdoor Unit
60
External Appearance of Outdoor Unit
60
Outdoor Unit Refrigerant Circuits
61
Outdoor Unit Refrigerant Circuit Diagrams
62
Functions of the Major Components of Outdoor Unit
63
Functions of the Major Components of Indoor Unit
66
Chapter 4 Electrical Components and Wiring Diagrams
68
Outdoor Unit Circuit Board Arrangement
70
Outdoor Unit Control Box
70
Outdoor Unit Circuit Board Components
72
Control Board
72
Power-Supply Board (PS Board)
73
Inverter Board (INV Board)
74
Fan Board
75
Noise Filter
76
Capacitor Board (CAP Board)
77
Outdoor Unit Electrical Wiring Diagrams
78
Transmission Booster Electrical Wiring Diagrams
79
Chapter 5 Control
80
Dipswitch Functions and Factory Settings
82
Outdoor Unit Switch Functions and Factory Settings
82
Indoor Unit Switch Functions and Factory Settings
88
Outdoor Unit Control
91
Overview
91
Rotation Control
91
Initial Control
91
Startup Control
91
Refrigerant Bypass Control
92
Frequency Control
93
Defrost Operation Control
94
Refrigerant Recovery Control
96
Outdoor Unit Fan Control
97
Subcool Coil Control (Linear Expansion Valve <LEV1>)
98
Refrigerant Flow Control (Linear Expansion Valves <Lev2A and Lev2B>)
98
Control of Controller Cooling Function (Electronic Expansion Valve <LEV9>)
98
Injection Control (Linear Expansion Valve <LEV4>)
98
Control at Initial Startup
98
Emergency Operation Mode
100
Operation Mode
102
Demand Control
102
Control of IH Energization Without the Compressor in Operation
102
Chapter 6 Test Run
104
Read before Test Run
106
Operation Characteristics and Refrigerant Charge
107
Evaluating and Adjusting Refrigerant Charge
107
Refrigerant Overcharge and Undercharge
107
Checking the Refrigerant Charge During Operation
107
Maximum Refrigerant Charge
108
Refrigerant Charge Adjustment Mode
109
The Following Symptoms Are Normal
111
Chapter 7 Troubleshooting Using Error Codes
112
Error Code and Preliminary Error Code Lists
114
Error Code Definitions and Solutions: Codes [0 - 999]
119
Error Code [0403]
119
Error Code [0404]
120
Error Code Definitions and Solutions: Codes [1000 - 1999]
121
Error Code [1102]
121
Error Code [1301]
122
Error Code [1302] (During Operation)
123
Error Code [1302] (at Startup)
124
Error Code [1500]
124
Error Code Definitions and Solutions: Codes [2000 - 2999]
125
Error Code [2500] (Models with a Drain Sensor)
125
Error Code [2500] (Models with a Float Switch)
126
Error Code [2502] (Models with a Drain Sensor)
127
Error Code [2502] (Models with a Float Switch)
128
Error Code [2503]
129
Error Code [2600]
129
Error Code [2601]
130
Error Code Definitions and Solutions: Codes [3000 - 3999]
131
Error Code [3121]
131
Error Code [3511]
132
Error Code [3512]
132
Error Code Definitions and Solutions: Codes [4000 - 4999]
134
Error Code [4102]
134
Error Code [4106]
135
Error Code [4109]
135
Error Code [4114]
135
Error Code [4116]
135
Error Code [4121]
136
Error Code [4124]
136
Error Code [4220, 4225, 4226] Detail Code 108
138
Error Code [4240, 4245, 4246]
142
Error Code [4250, 4255, 4256] Detail Code 106 and 107
146
Error Code [4260]
147
Error Code Definitions and Solutions: Codes [5000 - 5999]
148
Error Code [5101, 5102, 5103, 5104]
148
Error Code [5102,5103,5104,5105,5106,5107,5115]
149
Error Code [5110]
150
Error Code [5201]
151
Error Code Definitions and Solutions: Codes [6000 - 6999]
155
Error Code [6201]
155
Error Code [6202]
155
Error Code [6600]
156
Error Code [6601]
156
Error Code [6602]
157
Error Code [6603]
157
Error Code [6606]
158
Error Code [6607] Error Source Address = Outdoor Unit (OC)
160
Error Code [6607] Error Source Address = Indoor Unit (IC)
161
Error Code [6607] Error Source Address = LOSSNAY (LC)
163
Error Code [6607] Error Source Address = ME Remote Controller
164
Error Code [6607] Error Source Address = System Controller
165
Error Code [6607] All Error Source Addresses
166
Error Code [6607] No Error Source Address
167
Error Code [6608]
168
Error Code [6831]
168
Error Code [6832]
169
Error Code [6833]
169
Error Code [6834]
170
Error Code [6840]
170
Error Code [6841]
171
Error Code [6842]
171
Error Code [6843]
172
Error Code [6846]
172
Error Code Definitions and Solutions: Codes [7000 - 7999]
177
Error Code [7100]
177
Error Code [7101]
178
Error Code [7102]
179
Error Code [7105]
180
Error Code [7106]
180
Error Code [7110]
180
Error Code [7111]
180
Error Code [7113]
181
Error Code [7117]
181
Error Code [7130]
182
Unit Error Code Definitions and Solutions: Codes [Er91 - Er99]
185
Error Code [Er91]
185
MA Remote Controller Problems
188
The LCD Does Not Light up
188
The LCD Momentarily Lights up and then Goes off
189
HO" and "PLEASE WAIT" Do Not Go off the Screen
190
Air Conditioning Units Do Not Operate When the on Button Is Pressed
191
ME Remote Controller Problems
192
The LCD Does Not Light up
192
The LCD Momentarily Lights up and then Goes off
193
HO" or "Waiting for
194
88", "Request Denied." Appears on the LCD
196
Refrigerant Control Problems
197
Units in the Cooling Mode Do Not Operate at Expected Capacity
197
Units in the Heating Mode Do Not Operate at Expected Capacity
199
Outdoor Units Stop at Irregular Times
201
Checking Transmission Waveform and for Electrical Noise Interference
202
M-Net
202
MA Remote Controller
204
Pressure Sensor Circuit Configuration and Troubleshooting Pressure Sensor Problems
205
Comparing the High-Pressure Sensor Measurement and Gauge Pressure
205
High-Pressure Sensor Configuration (63HS1)
206
Comparing the Low-Pressure Sensor Measurement and Gauge Pressure
207
Low-Pressure Sensor Configuration (63LS)
208
Troubleshooting Solenoid Valve Problems
209
Troubleshooting Outdoor Unit Fan Problems
211
Troubleshooting LEV Problems
212
General Overview on LEV Operation
212
Possible Problems and Solutions
215
Coil Removal Instructions
216
Troubleshooting Inverter Problems
218
Inverter-Related Problems and Solutions
218
Checking the Inverter Board Error Detection Circuit
220
Checking the Compressor for Ground Fault and Coil Resistance Problems
220
Checking the Inverter for Damage at No-Load
221
Checking the Inverter for Damage During Compressor Operation
222
Checking the Fan Motor for Ground Fault and Coil Resistance Problems
223
Checking the Fan Board Error Detection Circuit at No Load
223
Checking the Fan Board for Damage at No Load
224
Checking the Fan Board for Damage with Load
225
Checking the Installation Conditions
226
Solutions for the Main Breaker Trip
226
Solutions for the Main Earth Leakage Breaker Trip
227
Simple Check on Inverter Circuit Components
228
Troubleshooting Problems with IGBT Module
229
Checking the Fan Inverter Heatsink for Clogging
231
8-10 Control Circuit
232
Control Power Supply Function Block
232
Troubleshooting Problems with Outdoor Unit Transmission Power Supply Circuit
233
8-11 Measures for Refrigerant Leakage
235
8-12 Parts Replacement Instructions
237
Ensuring Maintenance Space (Preparation for the Maintenance of Refrigerant Circuit Parts)
237
Notes on Wiring Installation
238
Removal Instructions for the Control Box
249
Maintenance Procedures for the Heat Exchanger
252
Troubleshooting Problems Using the LED Status Indicators on the Outdoor Unit
260
8-14 4250 Troubleshooting
261
Chapter 9 USB Function
264
Service Overview
266
Function Overview
266
System Structure
267
Necessary Materials
268
Operation Data Collection and Storage Functions
269
Preparation
269
Storing Data on a USB Memory Stick
269
Collecting Operation Data
271
Precautions
272
Software Rewrite Function on the USB
273
Preparation
273
Rewriting Software
273
Precautions
274
Maintenance LED Display and Troubleshooting
275
Maintenance LED Display Content List
275
Troubleshooting
278
LED Status Indicators
284

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