Grunaire GMU028HXB-3 Owner'S Manual Download Page 4

Note: the above figures are only intended to be a simple 

diagram of the appliance and may not correspond to the 

appearance of the units that have been purchased.

OUTDOOR UNIT

No. Description

1

Air outlet grille

2

Valve

TECHNICAL DATA

GENERAL INFORMATION

Electrical data

Electricity supply

mm

2

Refrigerant gas

R410 A

Size and clearance

H

Minimum power cord section

Fuse or air switch

30

A

Warning

 

 

4.0

mm

mm

mm

MOD

L
W

GMU028HXB-3 

950
420
840

        

The temperature of refrigerant circuit will be high,please keep the 

 

 

interconnection cable away from the copper tube.

NAMES OF THE PARTS

Maximum cooling
Minimum cooling
Maximum heating
Minimum heating

Outdoor 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

 

Hz

GMU028HXB-3

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.

Volatile liquids such as thinner or gasoline will cause damage to the 
appearance of air conditioner. (Only use soft dry cloth moist cloth clean
the air conditioner cabinet).

Do not dispose this product as unsorted municipal waste. 
Collection of such waste separately for special treatment 
is necessary.

 

If the supply cord is damaged, it must be replaced by the manufacturer
or its service agent or a similarly qualified person in order to avoid a hazard.

Summary of Contents for GMU028HXB-3

Page 1: ...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...

Page 2: ...GENERAL INFORMATION GENERAL INFORMATION 1 2 3 3 3 4 Technical Data Electrical Connections Installing The Outdoor Unit Maintenance Installation Dimension Diagram Check After Installation Fault Indicati...

Page 3: ...witch 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 disadva...

Page 4: ...tdoor 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 GMU028HXB 3 1 2 L W H Be sure to cut off the power supply b...

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 l...

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 eac...

Page 7: ...lve 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 pu...

Page 8: ...ENSION 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 du...

Page 9: ...cified 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...

Page 10: ...ndoor 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 inle...

Page 11: ...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...

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