Mitsubishi Electric CMB-WM350F-AA Manuals

Manuals and User Guides for Mitsubishi Electric CMB-WM350F-AA. We have 2 Mitsubishi Electric CMB-WM350F-AA manuals available for free PDF download: Service Handbook, Installation Manual

Mitsubishi Electric CMB-WM350F-AA Service Handbook (503 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 86.67 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
15
Pipe Processing
15
Differences in Refrigerant Properties
16
Precautions for Handling Equipment Using R32
17
Refrigerant Oil
24
Working with Refrigerant Piping
25
Pipe Brazing
25
Air Tightness Test
26
Vacuum Drying
27
Refrigerant Charging
29
Precautions for Wiring
30
Cautionary Notes on Installation Environment and Maintenance
32
Chapter 2 Restrictions
34
System Configurations
36
Types and Maximum Allowable Length of Cables
37
Switch Settings
38
M-NET Address Settings
39
Address Settings List
39
Outdoor Unit Power Jumper Connector Connection
40
Outdoor Unit Centralized Controller Switch Setting
40
Room Temperature Detection Position Selection
41
Start/Stop Control of Indoor Units
41
Miscellaneous Settings
41
Various Control Methods Using the Signal Input/Output Connector on Outdoor Unit
42
Demand Control Overview
44
System Connection Example
45
Example System with an MA Remote Controller
46
Single Refrigerant System (Automatic Indoor/Outdoor Address Startup)
46
Single Refrigerant System
48
Grouped Operation of Units in Separate Refrigerant Circuits
50
System with a Connection of System Controller to Centralized Control Transmission Line
52
System with a Connection of System Controller to Indoor-Outdoor Transmission Line
54
System with Multiple Hbcs
56
Example System with an ME Remote Controller
59
System with a Connection of System Controller to Centralized Control Transmission Line
59
Example System with an MA and an ME Remote Controller
61
System with a Connection of System Controller to Centralized Control Transmission Line
61
2-10 Restrictions on Refrigerant Pipes
64
Restrictions on Refrigerant Pipe Length
64
Restrictions on Refrigerant Pipe and Water Pipe Size
65
HBC Connection Method
66
Chapter 3 Major Components, Their Functions and Refrigerant Circuits
68
External Appearance and Refrigerant Circuit Components of Outdoor Unit
70
External Appearance of Outdoor Unit
70
Outdoor Unit Refrigerant Circuits
73
Outdoor Unit Refrigerant Circuit Diagrams
77
Functions of the Major Components of Outdoor Unit
83
Functions of the Major Components of Indoor Unit
85
External Appearance and Refrigerant Circuit Components of HBC
86
Main HBC
86
Sub HBC
89
HBC Refrigerant Circuit Diagrams
91
Functions of the Major Components of HBC
93
Chapter 4 Electrical Components and Wiring Diagrams
96
Outdoor Unit Circuit Board Arrangement
98
Outdoor Unit Control Box
98
Outdoor Unit Circuit Board Components
103
Control Board
103
Power-Supply Board (PS Board)
104
Inverter Board (INV Board)
106
Fan Board
109
Noise Filter
110
Filter Board
112
Capacitor Board (CAP Board)
113
Outdoor Unit Electrical Wiring Diagrams
114
Transmission Booster Electrical Wiring Diagrams
117
HBC Circuit Board Arrangement
118
HBC and Sub-HBC Control Box
118
HBC Circuit Board Components
119
HBC and Sub-HBC Circuit Board
119
HBC Electrical Wiring Diagrams
124
HBC and Sub-HBC Electrical Wiring Diagrams
124
Chapter 5 Control
130
Dipswitch Functions and Factory Settings
132
Outdoor Unit Switch Functions and Factory Settings
132
Indoor Unit Switch Functions and Factory Settings
137
Remote Controller Switch Functions and Factory Settings
138
Switch Functions <HBC
140
Outdoor Unit Control
142
Overview
142
Initial Control
142
Startup Control
142
Refrigerant Bypass Control
143
Frequency Control
144
Defrost Operation Control
145
Refrigerant Recovery Control
148
Expansion Valve Control (Lev2A, Lev2B, Lev2C, and Lev2D)
150
Control of Controller Cooling Function (Electronic Expansion Valve <LEV9>)
150
Injection Control (Linear Expansion Valve <LEV4>)
150
Control at Initial Startup
150
Operation Mode
151
Demand Control
152
Control of IH Energization Without the Compressor in Operation
152
HBC Control
153
Water Pump Control
153
4-Way Valve Control
154
Valve Block (VB3) Water Flow Rate Adjustment
155
Bypass Control
157
Plate Heat Exchanger Control
157
Defrost Operation Control
158
Refrigerant Recovery Control
162
Backup Control
162
Water Pump Protection Control
163
Chapter 6 Test Run
164
Read before Test Run
166
Operation Characteristics and Refrigerant Charge
167
Evaluating and Adjusting Refrigerant Charge
167
The Following Symptoms Are Normal
169
Error Code and Preliminary Error Code Lists
174
Error Code Definitions and Solutions: Codes [0 - 999]
181
Error Code [0403]
181
Error Code [0404]
183
Error Code Definitions and Solutions: Codes [1000 - 1999]
184
Error Code [1102]
184
Error Code [1301]
185
Error Code [1302] (During Operation)
186
Error Code [1302] (at Startup)
187
Error Code [1500]
187
Error Code Definitions and Solutions: Codes [2000 - 2999]
188
Error Code [2500] (Models with a Drain Sensor)
188
Error Code [2500] (Models with a Float Switch)
189
Error Code [2501] (Water Pump Fault)
190
Error Code [2502] (Models with a Drain Sensor)
191
Error Code [2502] (Models with a Float Switch)
192
Error Code [2503]
193
Error Code [2512] (Control Valve Failure) (Indoor Unit)
194
Error Code [2512] (Control Valve Failure) (HBC)
194
Error Code Definitions and Solutions: Codes [3000 - 3999]
197
Error Code Definitions and Solutions: Codes [4000 - 4999]
199
Error Code [2519]
203
Error Code [2520]
203
Error Code [2601]
206
Error Code [3121]
206
Error Code [3511]
206
Error Code Definitions and Solutions: Codes [4000 - 4999]
206
Error Code [4102]
207
Error Code [4106]
207
Error Code [4109]
208
Error Code [4114]
208
Error Code [4116]
209
Error Code [4121]
209
Error Code [4124]
210
Error Code [4130]
210
Error Code [4240, 4245, 4246]
214
Error Code [4260]
214
Error Code [5102] (Indoor Unit)
220
Error Code [5104]
220
Error Code Definitions and Solutions: Codes [5000 - 5999]
221
Error Code [5103,5104,5105,5107,5115]
222
Error Code [5110]
222
Error Code [5111-5178]
222
Error Code [5201]
223
Error Code [5201]
224
Error Code [5701]
224
Error Code Definitions and Solutions: Codes [6000 - 6999]
234
Error Code [6201]
234
Error Code [6202]
234
Error Code [6600]
235
Error Code [6601]
235
Error Code [6602]
235
Error Code [6603]
235
Error Code [6606]
236
Error Code [6607] Error Source Address = Outdoor Unit (OC)
238
Error Code [6607] Error Source Address = HBC (HB)
238
Error Code [6607] Error Source Address = Indoor Unit (IC)
239
Error Code [6607] Error Source Address = ME Remote Controller
241
Error Code [6607] Error Source Address = System Controller
242
Error Code [6607] No Error Source Address
244
Error Code [6608]
245
Error Code [6831]
245
Error Code [6832]
246
Error Code [6833]
246
Error Code [6834]
247
Error Code [6840]
247
Error Code [6841]
248
Error Code [6842]
248
Error Code [6843]
249
Error Code [6846]
249
Error Code Definitions and Solutions: Codes [7000 - 7999]
254
Error Code [7100]
254
Error Code [7101]
255
Error Code [7102]
255
Error Code [7107]
256
Error Code [7110]
257
Error Code [7111]
257
Error Code [7113]
259
Error Code [7117]
259
Error Code [7130]
260
Unit Error Code Definitions and Solutions: Codes [Er91 - Er99]
263
Error Code [Er91]
263
Chapter 8 Troubleshooting Based on Observed Symptoms
264
MA Remote Controller Problems
268
The LCD Does Not Light up
268
The LCD Momentarily Lights up and then Goes off
269
HO" and "PLEASE WAIT" Do Not Go off the Screen
270
Air Conditioning Units Do Not Operate When the on Button Is Pressed
271
ME Remote Controller Problems
272
The LCD Does Not Light up
272
The LCD Momentarily Lights up and then Goes off
273
HO" or "Waiting for
274
88", "Request Denied." Appears on the LCD
276
Refrigerant Control Problems
277
Units in the Cooling Mode Do Not Operate at Expected Capacity
277
Units in the Heating Mode Do Not Operate at Expected Capacity
279
Outdoor Units Stop at Irregular Times
281
Checking Transmission Waveform and for Electrical Noise Interference
282
M-Net
282
Pressure Sensor Circuit Configuration and Troubleshooting Pressure Sensor Problems
285
Comparing the High-Pressure Sensor Measurement and Gauge Pressure
285
Comparing the Low-Pressure Sensor Measurement and Gauge Pressure
287
Low-Pressure Sensor Configuration (63LS)
288
Pressure Sensor (Inner Water, Outlet Water) Configuration (Pw1, Pw2, Pw3, Pw4)
288
Troubleshooting Solenoid Valve Problems
289
Troubleshooting Outdoor Unit Fan Problems
290
Troubleshooting LEV, FCV Problems
291
Possible Problems and Solutions
296
General Overview on FCV Operation (Indoor Unit)
297
Coil Removal Instructions
299
Troubleshooting Problems with Major Components on HBC
301
Pressure Sensor
301
Temperature Sensor
303
Troubleshooting Flowchart for Levs, Solenoid Valves, and Valve Blocks
304
Water Pump Control
306
8-10 Troubleshooting Inverter Problems
307
Inverter-Related Problems and Solutions
307
Checking the Inverter for Damage at No-Load
310
Checking the Inverter for Damage During Compressor Operation
311
Checking the Converter for Damage During Compressor Operation
311
Checking the Fan Motor for Ground Fault and Coil Resistance Problems
313
Checking the Fan Board Error Detection Circuit at No Load
313
Checking the Fan Board for Damage at No Load
313
Checking the Fan Board for Damage with Load
314
Checking the Pump INV Board for Damage (During Pump Operation)
316
Checking the Installation Conditions
316
Solutions for the Main Breaker Trip
316
Solutions for the Main Earth Leakage Breaker Trip
317
Simple Check on Inverter Circuit Components
318
Troubleshooting Problems with IGBT Module
319
Checking the Fan Inverter Heatsink for Clogging
323
8-11 Control Circuit
324
Control Power Supply Function Block
324
Troubleshooting Problems with Outdoor Unit Transmission Power Supply Circuit
329
8-12 Measures for Refrigerant Leakage
333
Parts Replacement Instructions (Outdoor Unit)
335
Ensuring Maintenance Space (Preparation for the Maintenance of Refrigerant Circuit Parts)
335
Notes on Wiring Installation
339
Replacement Procedure for the Check Valve Block Assembly
352
Removal Instructions for the Control Box
365
Maintenance Procedures for the Heat Exchanger
374
HBC Maintenance Instructions (Applicable to Main and Sub Hbcs)
394
Valve Block
394
Instructions for Debris Removal Operation
395
Instructions for the Air Vent Operation
398
Preparation for Servicing
401
8-15 Main-HBC Maintenance Instructions
405
Solenoid Valve Coil (SV1) Replacement Procedure (HBC)
405
4-Way Valve Coils (21S4Ma, 21S4Mb) Replacement Procedure (HBC)
405
LEV Coils (LEV1, LEV2, LEV3) Replacement Procedure (HBC)
406
Valve Motor and Valve Body Replacement Procedure (HBC)
406
Pump Replacement Procedure (HBC)
409
Disassembling the Pump and Replacing the Mechanical Seal (HBC)
411
JOINT Replacement Procedure (HBC)
428
Thermistor (TH31) Replacement Procedure (HBC)
429
4-Way Valve Body (21S4) Replacement Procedure (HBC)
431
Plate Heat Exchanger Replacement Procedure (HBC)
433
Pressure Sensor Replacement Procedure (HBC)
441
Pressure Sensor (PS3) Replacement Procedure (HBC)
441
Water Pressure Sensor (PW1, 2, 4) Replacement Procedure (HBC)
442
Water Pressure Sensor (PW3) Replacement Procedure (HBC)
442
Refrigerator Circuit Side Strainer Replacement Procedure (HBC)
443
Water Pressure Protection Valve Replacement Procedure (HBC)
443
8-16 Sub-HBC Maintenance Instructions
444
Thermistor (TH31) Replacement Procedur (Sub HBC)
446
Thermistor (TH32, TH33) Replacement Procedur (Sub HBC)
447
Air Vent Valve Replacement Procedure (Sub HBC)
448
Troubleshooting Problems Using the LED Status Indicators on the Outdoor Unit
449
Chapter 9 USB Function
450
Service Overview
452
Function Overview
452
System Structure
453
Necessary Materials
454
Operation Data Collection and Storage Functions (Outdoor Unit)
455
Preparation
455
Storing Data on a USB Memory Stick
455
Collecting Operation Data
457
Precautions
458
Software Rewrite Function on the USB (Outdoor Unit, HBC)
459
Preparation
459
Rewriting Software
459
Precautions
460
Maintenance LED Display and Troubleshooting
461
Maintenance LED Display Content List
461
Troubleshooting
464
Chapter 10 LED Status Indicators
468
LED Status Indicators (Outdoor Unit)
470
LED Status Indicators (HBC)
473

Mitsubishi Electric CMB-WM350F-AA Installation Manual (29 pages)

Air-Conditioners For Building Application, Indoor Unit

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 9.13 MB

Table of Contents
8
Safety Precautions
8
Before Installation and Electric Work
8
Precautions for Devices that Use R32 Refrigerant
9
Before Installation
9
Before Installation (Relocation) - Electrical Work
9
Before Starting the Test Run
9
Selecting an Installation Site
10
About the Product
10
Installation Site
10
Securing Installation and Service Space
10
Checking the Installation Site
10
Installing the HBC
11
Checking the Accessories with the HBC
11
Installing HBC
11
Connecting Refrigerant Pipes and Drain Pipes
11
Connecting Refrigerant Pipes
11
Refrigerant Piping Work
12
Insulating Pipes
12
Additional Refrigerant Charge
12
Drain Piping Work
14
Connecting Water Piping Work
14
Important Notes on Water Piping Work Installation
14
Water Pipe Insulation
16
Water Treatment and Quality Control
16
Electrical Work
17
Setting Addresses and Operating Units
17
Test Run
17
Before Starting the Test Run
17
Debris Removal Operation
18
Air Vent Operation
21

Mitsubishi Electric Categories

Air Conditioner Controller

Projector Inverter Heat Pump

More Mitsubishi Electric Manuals

Mitsubishi Electric CMB-WM350F-AA Manuals

Mitsubishi Electric CMB-WM350F-AA Service Handbook (503 pages)

Table of Contents

Mitsubishi Electric CMB-WM350F-AA Installation Manual (29 pages)

Table of Contents

Related Products

Mitsubishi Electric Categories