background image

D101

D102

D103

D104

D105

D106

D107

D108

D109

Meaning

Meaning

Meaning

Compressor operates

Air exhaust protection
frequency reducing

Air exhaust protection

frequncy limit 

Compressor high pressure protection
unit stop

Cooling overload frequncy 
reducing

Cooling overload frequncy limit

Air exhaust protection unit stop

Over current protection
frequency reducing

Over current protection
frequency limit

Communication malfunction unit stop
(Include indoor unit and driver

Phase current protection
frequncy reducing

Phase current protection
frequncy limit

IPM modular protection
unit stop

Heating A unit anti-high 
temperature frequncy reducing

Heating A unit anti-high 
temperature frequncy limit

Over current protection
unit stop

Heating B unit anti-high 

temperature frequncy reducing

Heating B unit anti-high 
temperature frequncy limit

Cooling overload unit stop

Heating C unit anti-high 
temperature frequncy reducing

Heating C unit anti-high 
temperature frequncy limit

Each indoor unit starts heating at same time
anti-high temperature protection unit stop

Heating D unit anti-high 
temperature frequncy reducing

Heating D unit anti-high 
temperature frequncy limit

Each indoor unit anti-freezing protection 
at same time unit stop

Defrosting

Oil return

Outdoor unit temp. sensor malfunction
or each indoor unit temp. sensor malfunction unit stop 

Compressor overload protection
unit stop

Compressor low-pressure protection
unit stop (preserved)

Phase current protection
unit stop

E2 PROM Error
unit stop

DC power supply short circuit

Meaning

Meaning

Meaning

Outdoor ambient temp. sensor malfunction

Outdoor tube temp. sensor malfunction

Outdoor air exhaust temp. sensor
malfunction 

Communication malfunction with
driver (cannot receive correct data from 
driver within 10s)

A unit communication malfunction
(cannot receive correct data within
3mins.)

B unit communication malfunction
(cannot receive correct data within
3mins.)

A unit indoor middle temp. sensor
malfunction

B unit indoor middle temp. sensor
malfunction

A unit indoor outlet pipe temp. sensor
malfunction

B unit indoor outlet pipe temp. sensor
malfunction

A unit indoor inlet pipe temp.
sensor malfunction

B unit indoor inlet pipe temp.
sensor malfunction

A unit indoor ambient temp.
sensor malfunction

B unit indoor ambient temp.
sensor malfunction

A unit modes conflict

B unit modes conflict

A unit anti-freezing protection

B unit anti-freezing protection

A unit anti-high temp. protection

B unit anti-high temp. protection

Meaning

C unit communication malfunction
(cannot receive correct data within 
3mins.)

D unit communication malfunction
(cannot receive correct data within 
3mins.)

Received communication data 
proof test correct will flash once

C unit indoor middle temp. sensor
malfunction

D unit indoor middle temp. sensor

malfunction

C unit indoor outlet pipe temp. sensor
malfunction

D unit indoor outlet pipe temp. sensor
malfunction

C unit indoor inlet pipe temp.
sensor malfunction

D unit indoor inlet pipe temp.
sensor malfunction

C unit indoor ambient temp.
sensor malfunction

D unit indoor ambient temp.
sensor malfunction

C unit modes conflict

D unit modes conflict

C unit anti-freezing protection

C unit anti-high temp. protection

D unit anti-freezing protection

D unit anti-high temp. protection

Blink once

Blink once

Blink once

Twice

Twice

Twice

Three times

Three times

Three times

Four

times

Five
times

Six
times

Seven
times

Eight
times

Nine
times

Ten
times

Eleven
times

Twelve
times

Thirteen
times

Fourteen
times

Fifteen
times

Four
times

Four
times

Five
times

Five
times

Six
times

Six
times

Seven
times

Seven
times

Eight
times

Eight
times

Nine
times

Nine
times

Blink once

Twice

Three times

Four
times

Blink once

Blink once

Twice

Twice

Three times

Three times

Four
times

Four
times

Five
times

Six
times

Seven
times

Eight
times

Eight
times

Seven
times

Six
times

Five
times

Blink once

Blink once

Twice

Twice

Three times

Three times

Four
times

Four
times

Five
times

Five
times

Seven
times

Seven
times

Six
times

Six
times

Eight
times

Eight
times

INSTALLER

FAULT INDICATION

9

Meaning

Meaning

Summary of Contents for GWHD(28)ND3AO

Page 1: ... e n o i t i d n o C r i A t i l p S g n i t a r e p o e r o f e b y l l u f e r a c l a u n a m s r e n w o s i h t d a e r e s a e l P e c n e r e f e r r o f y l l u f e r a c t i p e e k d n a L A U N A M S R E N W O 66129903295 R E T R E V N I AIRLUX GWHD 28 ND3CO GWHD 28 ND3AO ...

Page 2: ...AL INFORMATION GENERAL INFORMATION 1 2 3 3 3 4 6 6 7 7 8 9 Technical Data Electrical Connections Installing The Outdoor Unit Maintenance Installation Dimension Diagram Check After Installation Fault Indication Bleeding Conformity And Range The Instructions Befor Use Name Of The Parts Outdoor Unit Working Temperature Range GENERAL INSTALLER INFORMATION Please read this owner s manual carefully befo...

Page 3: ...switch protection and assure it has enough capacity The unit will be turned on or off according to your requirement automatically please do not turn on or turn off the unit frequently otherwise disadvantage effect may be caused to the unit Rated voltage of this air conditioner 220 240V 60Hz The compressor will vibrate sharply if the voltage is too low resulting in damage to refrigerating system El...

Page 4: ...utdoor side DB WB 43 26 T1 21 24 18 5 6 OUTDOOR UNIT WORKING TEMPERATURE RANGE GENERAL INFORMATION 1 2 GENERAL INFORMATION 3 220 240V 60 V Hz GWHD 28 ND3AO 1 2 L W H Be sure to cut off the power supply before cleaning the air conditioner otherwise electric shock might happen Wetting of air conditioner may cause the risk of electric shock Make sure not to wash your air conditioner in any case Volat...

Page 5: ...r unit Fix power connection wire by wire clamp Ensure wire has been fixed well Install the handle cable with the terminal at the row of connection and fix consistent with the indoor unit terminal of line bank ELECTRICAL CONNECTIONS INSTALLER 4 The connection pipes and the connectiong wirings of the unit A unit B and unit C must be corresponding to each other respective The appliance shall be insta...

Page 6: ...stent with the indoor unit terminal of line bank ELECTRICAL CONNECTIONS INSTALLER 5 The connection pipes and the connectiong wirings of the unit A unit B unit C and unit D must be corresponding to each other respective The appliance shall be installed in accordance with national wiring regulations Do not install the outdoor unit where it is exposed to the sunlight HANDLING After having removed the...

Page 7: ...by 1 4 turn and then close it after 10 seconds Check all the joints for leaks using liquid soap or an electronic leak device 7 Turn the body of the 2 way and 3 way valves Discon nect the vacuum pump hose 8 Replace and tighten all the caps on the valves BLEEDING INSTALLER INDOOR UNIT Install the drain fitting and the drain hose for model with heat pump only Condensation is produced and flows from t...

Page 8: ...MENSION DIAGRAM The installation must be done by trained and qualified service personnel with reliability according to this manual Contact service center before installation to avoid the malfunction due to unprofessional installation When picking up and moving the units you must be guided by trained and qualified person Ensure that the recommended space is left around the appliance 7 ...

Page 9: ...ecified on the nameplate The unit may bread down or the components may be burned out Are the lines and pipelines correctly installed The unit may bread down or the components may be burned out Has the unit been safely grounded Risk of electrical leakage Are the models of lines in conformity with requirements The unit may bread down or the components may be burned out Are there any obstacles near t...

Page 10: ...indoor middle temp sensor malfunction B unit indoor middle temp sensor malfunction A unit indoor outlet pipe temp sensor malfunction B unit indoor outlet pipe temp sensor malfunction A unit indoor inlet pipe temp sensor malfunction B unit indoor inlet pipe temp sensor malfunction A unit indoor ambient temp sensor malfunction B unit indoor ambient temp sensor malfunction A unit modes conflict B uni...

Page 11: ...18K 7K 7K 7K 9K 9K 12K 7K 12K 12K 12K 7K 18K 9K 18K 7K 7K 7K 7K 9K 9K 9K 9K 9K 7K 7K 9K 7K 9K 12K 9K 9K 12K 7K 7K 12K 7K 12K 12K 9K 12K 12K 7K 7K 18K 7K 9K 18K 9K 9K 18K 7K 12K 18K 9K 12K 18K 12K 12K 18K 2 models 3 models 4 models 9K 9K 12K 18K 7K 7K 7K 9K 9K 12K 7K 12K 12K 12K 7K 18K 9K 18K 7K 7K 7K 7K 9K 9K 9K 9K 9K 7K 7K 9K 7K 9K 12K 9K 9K 12K 7K 7K 12K 7K 12K 12K 9K 12K 12K 7K 7K 18K 7K 9K 18K...

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