(11) Hot keep operation
If the hot keep operation is selected during the heating operation, the indoor fan is controlled based on the temperature of the
indoor heat exchanger (Th2) to prevent blowing of cool wind.
However, if the fan speed setting is HI and room temperature is 19°C or higher, this control is not executed.
(12) Frost prevention control
(a) Operating conditions
(b) Detail of anti-frost operation
(c) Reset condition
Indoor heat exchanger
temperature ( C)
2.5
8
Operation mode
Item
Protective control
Reset
Compressor operation
Indoor fan
Forced outage
Operation instruction
Depends on operation mode
8
2.5
(i)
(ii)
(13) Heating high pressure control
(a) Starting condition
When the indoor heat exchanger temperature (Th2) has become higher than the start temperature for 1 minute continuously.
(b) Contents of control
Compressor stop.
(c) Release condition
When the indoor heat exchanger temperature (Th2) has become lower than the release temperature.
Item
Room
temperature (Th1)
Release temperature
Start temperature
Th1 <= 24°C
48.5°C
62°C
24°C < Th1<=27°C
47.5°C
61°C
27°C < Th1
46.5°C
60°C
(14) Heating overload protective control
(a) Operating conditions
(b) Detail of operation
(c) Reset condition
Tho-A
Tho-A
(Upper limit 8th speed)
(12) Current cut
(a) Purpose:
(b) Detail of operation:
(13) Outdoor unit failure
(15) Indoor fan motor protection
compressor command
300
-
(Model SCM40, 45, 50, 60, 71, 80 only)
min
-1
-
166
-
'16 • SCM-T-199
