Haier 1U09JE7ERA - Page 12

1.
09K 12K 15K
18K 24K
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
B
Outdoor unit
Indoor unit
Oil trap
To bend a pipe, give the roundness as large as possible not to crush the pipe ,
andthebendingradiusshouldbe30to40
mm or longer.
Connecting the pipe of gas side
rst makes working easier.
The connection pipe is specialized for R410A.
Half union
Flare nut
Torque wrench
CAUTION
Be careful that matters, such as wastes of sand
s,water,
, etc. shall not enter the pipe.
ThestandardpipelengthisCm.IfitisoverDm,thefunctionoftheunitwillbeaffected.Ifthepipe
has
to be lengthened, the refrigerant should be charged,
according to E g/m. But the charge of refrigerant
must
be conducted by profes
sional air conditioner engineer. Before adding additional refrigerant,
perform
air
purging from the refrigerant pipes and indoor unit using a vacuum pump,then
Spanner
Forced fastening without careful centering may
damagethethreadsandcause a leakageofgas.
Pipe Diameter( ) Fastening torque
Liquid side6.35mm(1/4") 18N.m
Liquid/Gas side9.52mm(3/8") 42 N.m
Gas side 12.7mm(1/2") 55N.m
Gas side 15.88mm(5/8") 60 N.m
Max.Elevation:
In case the elevation A is more
than 5m, oil trap shoud be
installed every 5~7
Max. Length:
In case the pipe length B is
more thanDm, the refrigerant
should be charged, according
to E g/m.
Connection of pipes
charge
additional refrigerant.
Amax
Bmax
2.

15K
18K
24K
12K
Amax Bmax Bmin DCE
09K 10 15 3 5 7 20
10 15 3 5 10 20
15 25 3 5 10 20
Min. Length:
Bmin