General Functionality
Si04-115
28
Main Function
1.9
General Functions
Pre-heat
operation
When the equipment has stopped and t
[outside]
< 11.5°C, the compressor is warmed-up by
passing a single-phase (U, V phase) current through the compressor motor to speed up the
start. The power consumption is 30-40W.
Hot start function
During defrosting or when the thermostat is on in heating mode, the indoor heat exchanger
temperature
≥
29°C to fan starts to avoid cold draft.
Dry mode
The dry mode removes humidity while maintaining the room temperature. The temperature and
fan cannot be regulated during dry mode.
<Management>
1. Decision of the dry setting temperature
"
When entering the following dry mode,
���
Stop
→
an operation will start with Dry.
���
Mode except Dry
→
changing to dry mode
Thermostat ON/OFF point is decided in accordance with the following conditions.
2. Frequency command
"
The frequency command is decided based on a room temperature zone.
The room temperature zone is decided as follows.
11.5˚C
13.5˚C
Outside
temperature
OFF
ON OFF
warm-up
control for
compressor
(R1911)
Room temp. cond. at entering
Dry.
Set temp. (thermostat ON)
Thermostat OFF temp.
24°C
≤
Room temp.
Room temp. at the entering.
Room temp. -2°C at the
entering.
18°C
≤
Room temp.
<
24°C
Room temp. at the entering.
Room temp. -1.5°C at the
entering.
Room temp. < 18°C
18°C
17°C
Room temp. - setting temp.
Room temp.
zone
1.0
Room temp.
zone
F
0.5 F
E
0 E
D
-0.5 D
B
-1
-1.5
Thermostat OFF point
dTmpOff B
A
A
at falling temp.
at rising temp.
(R1912)
