(c) Reset conditions:
Heating
(a) Operating conditions:
(b) Detail of operation:
(c) Reset conditions:
Outdoor air temperature > 16˚C
Outdoor air temperature
<
=
16˚C
Lower limit speed
High pressure sensor (HPS) 1.50MPa
high pressure sensor is lower than 1.50
high pressure sensor 1.50MPa ~ 2.72MPa,
high pressure sensor is higher than 2.72MPa,
MPa, gradually reduce the outdoor fan speed by 1 speed.
1.50MPa High pressure sensor (HPS) 2.72MPa
3rd
High pressure sensor (HPS) 2.72MPa
high pressure sensor (HPS) is 2.72MPa
(SCM100, 125:8th)
ި
ާ
Tho-A
Tho-A
Cooling
(a) Start condition:
When the outdoor air temperature (Tho-A) has risen higher than 41°C for 30 seconds continuously while
the compressor is operating.
(b) Contents of control:
The outdoor unit fan tap is brought up by 3 steps (Higher limit is 6th tap.)
(c) Release condition:
When the compressor is turned off or the outdoor heat exchanger temperature (Tho-R) has dropped
lower than 40°C.
Heating
(a) Start condition:
When the outdoor air temperature (Tho-A) has risen higher than 13°C for 30 seconds continuously while
the compressor is operating.
(b) Contents of control:
The outdoor unit fan tap is brought down by 3 steps (Lower limit is 2nd tap.)
(c) Release condition:
When the compressor is turned off or the outdoor heat exchanger temperature (Tho-R) has dropped
lower than 10°C.
(22) Outdoor unit fan control at overload
40 41
ON
Under control
OFF
Normal operation
10 13
ON
Under control
OFF
Normal operation
Outdoor air temperature(ºC)
Outdoor heat exchanger temperature(ºC)
40 41
ON
Under control
OFF
Normal operation
10 13
ON
Under control
OFF
Normal operation
Outdoor air temperature(ºC)
Outdoor heat exchanger temperature(ºC)
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