Electra WNG 7 User Manual

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Service Manual

WNG LED/LCD Series

REFRIGERANT

R410A

R407C

R22

COOLING ONLY

HEAT PUMP

SEPTEMBER - 2005

Indoor Units Outdoor Units

WNG 7 GCN 7 ONG 7

WNG 9 GCN 9 ONG 9

WNG 12 GCN 12 ONG 12

WNG 14 GC 14 ONG 14

WNG 18 GC 18 —

WNG 21 GC 22 —

WNG 24 OU7-24 —

WNG 25 GC 24 —

WNG 30 GC 30 OU8 30/33

WNG 36 OU10-36 —

Table of Contents

Table of Contents1
Service Manual1
Table of Contents3
Introduction4
General4
Main Features4
Indoor Unit5
Filtration5
Ionizer (Optional)5
Control5
Appendix A5
Outdoor Unit6
Tubing Connections6
Accessories6
Inbox Documentation6
Indoor Units7
- Matching Table7
- Product Data Sheet11
- Rating Conditions11
- Product Data Sheet12
- Rating Conditions41
- Operating Limits41
- Outline Dimensions42
Wng42
Wng43
- Performance Data & Pressure Curves47
- Cooling Mode at 7.5M Tubing Connection47
- Heating Mode at 7.5M Tubing Connection48
- Capacity Correction Factor Due to Tubing Length48
- Pressure Curves49
- Wng9 Ong9 R410A51
- Pressure Curves85
- Sound Level Characteristics163
- Sound Pressure Level163
Wng 7163
- Outdoor Units164
- Sound Pressure Level Spectrum164
Wng164
- Electrical Data165
- Single and Three Phase Units165
- Wiring Diagrams166
- Outdoor Unit GC 18 1PH R410A169
- Outdoor Unit GC 24 1PH R410A/R407C/R22169
- Outdoor Unit GC 30 1PH R22170
- Outdoor Unit ONG 7 1PH R410A170
- Outdoor Unit OU7-24/OU8-30 1PH R410A171
- Outdoor Unit ONG 9, 12, 14 1PH R407C/R22171
- Outdoor Unit OU7-24/OU8-30 3PH R410A172
- Outdoor Unit OU8-33 3PH R410A, R407C/R22172
- Outdoor Unit OU8-33 3PH R410A/R407C/R22173
- Electrical Connections174
- Wng-30/36 3Ph175
- Refrigeration Diagrams176
- Heat Pump Models176
- Cooling Mode178
- Wng 25 R410A180
- Wng30 Ou8-30 R410A181
- Wng30 Ou8-33 1Ph R22/R407C182
- Wng30 Ou8-33 3Ph R22/R407C183
- Control System Wng 7-14 Led Type Units186
- Legend187
- LED Display WNG 7-14188
- Main PCB Controller188
- OFAN Operation189
- General Functions189
- IFAN Operation189
- COMP Operation189
- Thermistors Operation190
- Deﬁnition of Thermistor Faults190
- Cases for Disabling Thermistor Short/Disconnected Detection191
- Handling the Thermistor Faults in a COMP Unit191
- Cooling Mode - General192
- Cooling with Autofan194
- Heating Mode - General195
- IF Operating Rules195
- HE Operation196
- Heating, RC or SH Group197
- Heating, RC or SH Group with Autofan198
- Automatic Cooling or Heating - General200
- Automatic Cooling or Heating200
- Auto Cooling or Heating, RC or SH Groups201
- Dry Mode202
- Dry, ST or RC Group202
- Cooling Mode Protections203
- Indoor Coil Defrost203
- High Pressure Protection204
- Heating Mode Protections205
- Deicing Procedure206
- High Pressure Protection (Excluding RH Group)207
- Timer208
- Forced Operation209
- Sleep Mode210
- Adjustment in Sleep Mode210
- Extended Sleep Mode211
- Time Adjustment in Sleep Mode211
- Standard Sleep Mode211
- Clogged Air Filter212
- Controller Self-Test Procedure213
- By Remote Control Settings214
- Auto Led Walk Test215
- Auto Realy Walk Test215
- Frequency Testing215
- Input Test215
- Memory Test (Eeprom)216
- Fail Condition216
- On Unit Indicators and Controls217
- Clock Random Delay from 0 to 2.5 Seconds218
- System Diagnostics219
- Abbreviations221
- Display PCB Ass’y222
- Display (LEXAN)222
- Display Board222
- List of A/C Models223
- List of A/C Groups224
- Sequence Diagrams229
- Heating Mode231
- IFAN Operation Rules for RC and SH232
- Heaters Operation Rules for RC and SH Groups233
- OFAN Operation for RC and SH234
- Heating, RC or SH Group with Auto Fan236
- Protection240
- Horizontal Swing – Horizontal Louvers246
- Sleep248
- SPT Adjustment in Sleep Mode248
- E.S.F – Electro Static Filter250
- Clogged Air Filter250
- Ionizer250
- Control System Wng 7-14 Lcd Type259
- Troubleshooting276
- Exploded Views and Spare Parts Lists278
- Indoor Unit WNG 7 LCD279
- Indoor Unit WNG 9 LCD280
- Indoor Unit WNG 12 LCD281
- Indoor Unit WNG 14 LCD282
- Indoor Unit WNG 18, 21, 24 LCD283
- Indoor Unit WNG 18, 21, 24 LED286
- Indoor Unit WNG 25,30, 36 LCD289
- Indoor Unit WNG 25 LCD290
- Indoor Unit WNG 30 LCD291
- Indoor Unit WNG 36 LCD292
- Outdoor Unit ONG 7, 9, 12 ST293
- Outdoor Unit ONG 7 ST294
- Outdoor Unit ONG 9 ST295
- Outdoor Unit ONG 12 ST296
- Outdoor Unit ONG 14 ST297
- Outdoor Unit ONG 7 RC299
- Outdoor Unit ONG 9,12 RC301
- Outdoor Unit ONG 14 RC304
- Outdoor Unit GC 18 ST306
- Outdoor Unit GC 18 RC308
- Outdoor Unit GC 21 RC310
- Outdoor Unit GC 21 ST312
- Outdoor Unit GC 24 ST314
- Outdoor Unit GC 24 RC316
- Outdoor Unit OU7-24 RC 1PH318
- Outdoor Unit OU7-24 ST 1PH320
- Outdoor Unit OU7-24 RC 3PH322
- Outdoor Unit OU7-24 ST 31PH324
- Outdoor Unit OU8-30 RC 1PH326
- Outdoor Unit OU8-30 ST 1PH328
- Outdoor Unit OU8-30 RC 3PH330
- Outdoor Unit OU8-30 ST 3PH332
- Outdoor Unit OU10-36 RC 1PH334
- Outdoor Unit OU10-36 ST 1PH336
- Outdoor Unit OU10-36 RC 3PH338
- Outdoor Unit OU10-36 ST 3PH340
- Indoor Unit WNG 7,9,12,14 LCD342
- Indoor Unit NWNG 7,9,12,14 LCD347
- Indoor Unit WNG 7,9,12,14 LED352
- Outdoor Unit GCN 7 RC359
- Outdoor Unit GCN 7 ST361
- Outdoor Unit ONG3 9,12 RC363
- Outdoor Unit ONG3 9,12 ST366
- Outdoor Unit ONG3 14,18 RC369
- Outdoor Unit ONG3 14,18 ST371
- Outdoor Unit OU8-30 3PH373
- Outdoor Unit OU8-33 ST/RC 1PH377
- Outdoor Unit GCN 7,9,12 RC393
- Outdoor Unit GCN 7,9,12 ST397
- Outdoor Unit ONG3 14,18, RC402
- Outdoor Unit GC 14 RC404
- Outdoor Unit GC 14 ST406
- Outdoor Unit GC 18, 24 RC408
- Outdoor Unit GC 18, 24 ST410
- Outdoor Unit GC 30 RC412
- Outdoor Unit OU8-30 1PH RC414
- Remote Control420
- RCW Wall Mounted Remote Control420
- Optional Accessories420
- RCW2 Wall Mounted Remote Cntrol421
- RCW/RCW2 Wiring Connections as Shown on Kit422
- A.S.K (All Season Kit)423
- Contents431
- Operating Temperature Range432
- System Description433
- Modes of Operation, Functions and Features434
- Use of Wireless Remote Control436
- Prior to Operation436
- Remote Control Holder436
- On-Unit Indicators and Controls437
- Remote Control438
- Cooling Operation439
- Ventilating Operation439
- Turning on the Air Conditioner439
- Operation Procedure439
- Auto Cooling/Heating Operation440
- Dry Operation440
- Selecting the Temperature440
- I Feel Function440
- Timer Operation441
- Timer Operating Modes441
- Room Temperature441
- Timer on441
- Air Direction Operation442
- Turning off the Air Conditioner442
- On-Unit Operation442
- Current Clock Time Set442
- Strong Function443
- Ionizer and Electrostatic Filter443
- Fresh Air Fnction443
- Protection Modes444
- Care and Maintenance445
- Cleaning the Air Filter445
- Cleaning the Electrostatic Filter445
- Purification Filter Replacement445
- Operating Tips446
- Precautions447
- If Noise Is Heard447
- Before Calling for Service448
- Installation Instructions449
- Accessories Supplied with the Air Conditioner450
- Location of Indoor and Outdoor Units450
- Refrigeration Tube Routing452
- Installation of the Indoor Unit452
- Electrical Requirements452
- Condensate Hose Connection453
- Penetration of Wall for Tubing453
- Suspending and Releasing the Unit from the Mounting Plate453
Ong453
- Electrical Connections between Indoor and Outdoor Units454
- Multiple Wire Power Cable454
- Twin-Wire Low Voltage Cable454
- Refrigerant Tubing455
- Connect the Indoor to the Outdoor Unit455
- Evacuation of the Refrigeration Tubes and the Indoor Unit455
- Install the Air-Fresh Hose456
- Final Tasks457
- Air Conditioner Split Wall Mounted458

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Electra WNG 7 Specifications

General

Brand	Electra
Model	WNG 7
Category	Air Conditioner
Language	English

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