5
Input
Control Object
Contents
Remark
1. Accumulated
work time of
COMP
1. Defrosting
Mode
1. What to consider in determining the defrosting cycle
☞
Total (accumulated) work time of COMP
2. Conditions to start defrosting mode
☞
When total work time of COMP is more than 8, defrosting mode
starts unconditionally.
1-3. Defrosting Cycle
START
2
4
6
7
(Total Work Time of COMP)
8
Input
Control Object
Contents
Remark
1.Defrosting
Cycle
1. COMP
2. F-FAN
3. R-FAN
4. HEATER
1. Defrosting Mode
1) COMP, F/R/C-FAN: Control
1) If Bi-Metal is over 10, Heater turns Off.
2) COMP, F/R/C FAN: Off
1) Pause: 5 minutes
2) COMP, F/C-FAN: Off
3) R FAN: Control
1) COMP, F/R/C FAN: Control
2. Time Chart in Defrosting Mode
3. Output Control & Limit Time of Each Defrosting Mode
1) When defrosting starts COMP and F/R/C-FAN turn Off.
2) R Fan is ON/OFF Controlled in Pause mode.
1-4. Defrosting Mode
Control
Heater Defrosting
Pause
Control
HTR Start
HTR Finish
Pause Star
Pause Finish/
CONTROL
HTR
R-FAN
C-FAN
F-FAN
Comp
ON
ON
ON
OFF
HTR ON
Control
Heate Defrosting
Pause
Control
COMP
ON/OFF
OFF
OFF
ON/OFF
F-FAN
ON/OFF
OFF
OFF
ON/OFF
R-FAN
ON/OFF
OFF
ON
ON/OFF
HEATER
OFF
ON
OFF
OFF
Limit Time
–
If Bi-metal
≥
10°C,
5min.
–
HTR turns Off.