8.3.
Heating Mode Operation
When selecting the Heating Mode Operation, the unit will operate according to the setting b
y
the Remote Controller and
the operation is as the following.
Time Delay Safety Control
Over Load protection Control
When temperature of indoor heat exchanger rises to 51
, outdoor fan will stop
when temperature of indoor heat exchanger falls to 49
, outdoor fan will restart.
When temperature of indoor heat exchanger rises to 65
or above, compressor stops, and will restart 4 minutes later.
4-way valve control
Anti-reversing Control
If the compressor stopped by switching off, turning off by remote controller, or power off, it will not restart within 3 minutes.
When room temperature reaches the set temperature on the remote controller, compressor stops and will not restart within
4 minutes.
3 minutes after the compressor stopped, indoor fan will stop for 1 minute. Then indoor fan will resume operation with the
speed at
”
super low
”
.
Compressor
Stops
Compressor Restarts
4 minutes later
Indoor Heat Exchanger
65
Compressor
Stops
Compressor Restarts
3 minutes later
Compressor runs
5 min
T
5
last for 2 min
T= evaporator temperature - intake air temperature
If the compressor has been continuously running for 5 minutes or longer, and the difference of temperature between
intake air and evaporator is continuously lower than 5.0
or below for 2 minutes, the compressor will stop , and then
restart 3 minutes later.(Time Delay Protection Control is effective.)
During heating mode operation,4-way valve is at
open
mode.
During heating mode operation,if the unit turned off, the 4-way valve will remain
at
open
mode for 5 minutes.
Low
Super Low
Super Low
Indoor Fan
Stop
Indoor Fan
Stop
Indoor Heat
Exchanger
Indoor Heat
Exchanger
34
30
(
)
(
)
Warm Booting Control
When turning on the unit by heating mode operation,indoor fan
will be activated when temperature of indoor heat exchanger
reaches 30
. (See the figure on the right)
Warm boot operation ends when temperature of indoor heat
exchanger reaches 34
.
CS-XA9DKD / CU-XA9DKD / CS-XA12DKD / CU-XA12DKD
17
