Gree U-Crown GWH18UC-K6DNA4A/O Gebruikershandleiding - Pagina 17
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B: Remove the burrs
●
Remove the burrs with shaper and prevent
the burrs from getting into the pipe.
downwards
C: Put on suitable insulating pipe
D: Put on the union nut
●
Remove the union nut on
pipe and outdoor valve;
install the union nut on
the pipe.
E: Expand the port
●
Expand the port with expander.
Notice
●
"A" is different according to the diameter, please
refer to the sheet below:
Outer diameter
(mm)
Φ6 - 6.35(1/4")
Φ9 - 9.52(3/8")
Φ12-12.7(1/2")
Φ15.8-16(5/8")
F: Inspection
●
Check the quality of expanding port. If there
is any blemish, expand the port again acco-
rding to the steps above.
pipe
shaper
the indoor connection
union pipe
pipe
hard
mold
expander
pipe
A(mm)
Max
Min
1.3
0.7
1.6
1.0
1.8
1.0
2.4
2.2
smooth surface
the length is equal
Working temperature range
Maximum
cooling
Maximum
heating
For some models:
Notice
●
The operating temperature range (outdoor tempera-
ture) for Low-temperature cooling only unit is
-15°C~43°C; for Low-temperature heat pump unit
is -22°C~43°C.
For models:
GWH07QB-K6DNB2E、GWH09YC-K6DNA1Z、
GWH09QB-K6DNB4Y、GWH12QB-K6DNB4Y、
GWH18QD-K6DNA5X、GWH24AAE-K6DNA4Z
Notice
●
The operating temperature range (outdoor tempera-
ture) for cooling only unit is -15°C~43°C; for heat
pump unit is -15°C~43°C.
For models:
GWH18YE-S6DBA2A、GWH24YE-S6DBA2A、
GWH09ACC-S6DBA1A、GWH12ACC-S6DBA1A、
GWH18ACE-S6DBA1A
Maximum
cooling
Maximum
heating
Notice
●
The operating temperature range (outdoor tempera-
ture) for cooling only unit is -18°C~52°C; for Low-
temperature heat pump unit is -30°C~52°C.
12
improper expanding
leaning damaged crack
surface
Outdoor side
Indoor side
DB/WB(°C)
DB/WB(°C)
32/23
43/26
24/18
27/-
Outdoor side
Indoor side
DB/WB(°C)
DB/WB(°C)
32/23
52/32
24/18
27/-
uneven
thickness