Defrost Wiring And Circuit Description - Hotpoint FFLAA58WDW Service Information

Indesit Company
DEFROST SEQUENCE - BLACK TIMER - TMDJX06ZR1
Defrost Sequence - 1st Phase
The Defrost Timer runs all the time that the fridge thermostat is closed. Whilst the defrost timer switch is in the Run position (1-4)
the compressor will run, cooling the cabinet. When the Defrost Timer switches to the Defrost position (1-2) the compressor
will stop. If the Defrost Thermostat is open (freezer temperature warmer than -22 C) the Heater will not be powered and the Timer
will continue to run and the switch sequence will revert to 1-4 powering the compressor. The Neutral supply to the Timer is
provided by the low resistance path of the Heater circuit.
This sequence will continue until the freezer temperature is lower than -22 C. See 2nd phase.
L 6(H)
N
L
Brown
Yellow/Green
E
Blue
N
Defrost Sequence - 2nd Phase
When the freezer temperature is lower than -22 C and the Timer switches to Defrost (1-2) the Defrost Heater is powered to start
the defrost of the evaporator and the compressor stops. The Timer stops because its Neutral terminal (3) is now the same
potential as its Live terminal (1).
When the freezer thermostat opens because the evaporator temperature has risen to +16 C, the Heater is turned off and the Neutral
supply is returned to the Timer.
The Timer then continues its run sequence from (1-2) to (1-4) to power the compressor and cool the cabinet. If at any time the
fridge thermostat opens (selected temperature reached) the whole sequence is paused until the fridge temperature rises to close
the Fridge thermostat again. Temperatures stated are approximate.
6(H)
L
N
L
Brown
Yellow/Green
E
Blue
N
Service Manual UK
Defrost Timer (Black)
4(C)
1
Red
Fridge Thermostat
3
Yellow
Door
Switch
Thermostat
(open at +16 C
closed at -22 C)
Interior
Lamp
LED
Defrost
Evaporator
Heater
300 ohms
Thermal
Fuse
73 C
Defrost Timer (Black)
4(C)
1
Red
Fridge Thermostat
Yellow
Door
Switch
(open at +16 C
closed at -22 C)
Interior
Lamp
LED
Defrost
Evaporator
Heater
300 ohms
Thermal
Fuse
73 C
TMDJX06ZR1
4
White
M
2
Grey
Defrost
PTC Start
Device
Capacitor
TMDJX06ZR1
4
White
M
3 2
Grey
Defrost
Thermostat
12 of 18
Compressor
Over Load
Compressor
Compressor
Over Load
Compressor
PTC Start
Device
Capacitor
English