Circuit Diagram and Circuit Explanation
10.Circuit Diagram and Circuit Explanation
Circuit description:
1. This is the mode that the door is open and the timer is not set yet.
2. Now set the time. The Timer Switch 1 is closed. The lamp is on. But the other parts do
not start because the door lock 1 and 2 are open.
FILTER
N
IN
L
IN
N
E
L
F
U
S
E
TIMER
SWITCH1
TIMER
SWITCH2
THR FRIST
LOOKOUT SWITCH
MT
FA
NM
OTOR
TI
ME
RMOTOR
M
MF
THR SECOND
LOCKOUT SWITCH
N
OUT
L
OUT
THERMOSTAT
LA
MP
MO
NI
TO
RI
NGSWITCH
CUR
BRIN
GMOT
OR
DELAY
CIRCUIT
T
IN)
SW
HV
-R
EC
TIFIER
P
OUT)
AK
RECTIFIER
HVT
HVC
MAG
NETR
ON
3. Now close the door. The timer switch 1 and 2 are closed. There is voltage between the
two ends then starts working. The rotary tray , the fan start rotating. The lamp is on.
The timer motor also starts.
4. The function of the timer switch 2 is to control the power consumption by regular on/off.
5. The monitoring surface is used to offer protection in case that the lockout switch 1 and
2.
6. The thermostat offers protection against overheating in abnormal cases.
- 24 -
