Toyotomi CCT 100HINVi, Service Manual

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Electrical Control Function
Electrical Control System 99
2. T4<3
ć
3. Compressor is on
4. T3
”
TempEnterDefrost_ADD
ć
Cleared conditions (Meet any one of the following conditions)
1. Compressor is off and T3 ˚ TempEnterDefro2 last for 20 minutes
ć
2. Running in cooling mode.
3. Compressor is off for 1 hour.
Condition of entry defrosting:
time1+ time2
•
40 minutes, When defrosting is end,time1 and time2 are cleared.
Defrosting action φ
4-Way valve
Indoor fan
Outdoor fan
480P
PMV
PMV running
8 mins with 300P
Compressor
10S 30S
TimeA
10S
no longer than 10min
Condition of ending defrosting:
If any one of following items is satisfied, defrosting will stop and the machine will turn to normal heating
mode.
Ś
The defrosting time achieves 10min;
ĸ
T3
ı
15
ć
;
Ĺ
T3
ı
7
ć
for 60seconds.
1.3.3.5 High evaporator coil temp.T2 protection:
T2>60
đ
, the compressor will stop and restart when T2<54
đ
.
1.3.4 Auto-mode
This mode can be chosen with remote controller and the setting temperature can be changed between
17~30 đ .
In auto mode, the machine will choose cooling, heating or fan-only mode according to
ǻ
T (
ǻ
T =T1-Ts).