Merrychef 402s - Manual (Page 44)

402s Ovens Pt. No. 32Z3522 Issue 6
44
APPENDIX 5: Relay PCB Connection Points and key features.
AC input from
Aux Transformer
D20 LED
ON
when power is on
OFF
when Microwave is
operated.
Magentron
Overheat sensor
Inputs
Cavity
Temperature
Sensor
Input
Connector To
Logic PCB
D19 Heater ON
U1 Ambient air
temperature
sensor
Piezo sounder
output
Fuse
Not Used
Display
Fuse
D16 Magnetron
soft start
D15 Magnetron
active