-
9
-
'11 • KX-T-166
43
40
35
30
25
20
0
-5
-15
26
24
27
25
20
15
10
-15
-20
-25
-10
-5
0
5
10
15
14
16
18
20
22
Applicable range
Outdoor air W.B. temperature ˚C W.B.
Indoor air W.B. temperature ˚C W.B.
Heating operation
Indoor air D.B. temperature
˚C D.B.
Cooling operation
Outdoor air D.B.
temperature
˚C D.B.
“CAUTION” Cooling operation under low outdoor air temperature conditions
KXE6 models can be operated in cooling mode at low outdoor air temperature condition within above temperature range. However
in case of severely low temperature conditions if the following precaution is not observed, it may not be operated in spite of operable
temperature range mentioned above and cooling capacity may not be established under certain conditions.
[Precaution]
In case of severely low temperature condition
) Install the outdoor unit at the place where strong wind cannot blow directly into the outdoor unit.
2) If there is no installation place where can prevent strong wind from directly blowing into the outdoor unit, prepare a windbreak
fence or something like that locally in order to divert the strong wind from the outdoor unit.
[Reason]
Under the low outdoor air temperature conditions of -5 or lower, if strong wind directly blow into the outdoor unit, the outdoor heat
exchanger temperature will drop, even though the outdoor fan is stopped by outdoor fan control. This makes high and low pressures
to drop as well. This low pressure drop makes the indoor heat exchanger temperature to drop and will activate anti-frost control at
indoor heat exchanger at frequent intervals, that cooling operation may not be established for any given time.
Note () A branch piping system cannot be connected after a header system.
(2) 90m or less (However, difference between the longest and shortest piping : 40m or less)
(3) Mixed System (Branch piping and Header used)
(Highest indoor unit)
(Lowest indoor unit)
MAX.90m
(2)
MAX.90m
(2)
MAX.130m
(Header)
(Outdoor unit is lower: 40m)
50m
First branch
MAX.18m
MAX.18m
MAX.15m
Indoor unit
Ⅱ
Outdoor unit
Ⅵ
Ⅴ
Ⅳ
Ⅲ
Ⅰ
MAX.40m
(2)
Operating temperature range