Hot Keep Operation - Mitsubishi SCM40ZS-S Technical Manual

(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
(i)
(ii)
8
(b) Detail of anti-frost operation
Operation mode
Item
Compressor operation
Indoor fan
(c) Reset condition
(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.
Room
temperature (Th1)
Th1 < = 24°C
24°C < Th1 < = 27°C
27°C < Th1
(c) Release condition
(12) Current cut
When the indoor heat exchanger temperature (Th2) has become lower than the release temperature.
(a) Purpose:
(14) Heating overload protective control
(b) Detail of operation:
(a) Operating conditions
(13) Outdoor unit failure
(b) Detail of operation
(c) Reset condition
compressor command
(15) Indoor fan motor protection
-
Protective control
Forced outage
Item
Release temperature
48.5°C
47.5°C
46.5°C
Tho-A
(Upper limit 8th speed)
Tho-A
2.5
Reset
Operation instruction
Depends on operation mode
Start temperature
62°C
61°C
60°C
166
- -
'16 • SCM-T-199
2.5
Indoor heat exchanger
temperature ( C)
(Model SCM40, 45, 50, 60, 71, 80 only)
300
8
min
-1