Welbilt Merrychef eikon e1s - SRB Circuit Board

146
eikon e1s
Service and repair guide
SRB circuit board
Item
Name
1
X1 – 24V supply from low voltage
transformer
2
X8 – Cooling fan
3
X17 – Not used
4
X9 – Mains output, convection fan
controller
5
X103.1 – Mains output to low
voltage transformer
6
X14 – Cavity temperature
sensor (thermocouple)
7
X11 – P/C Bus, BTS cable
8
X2.1 – Mains input, live for
heaters
9
X2.2 – Mains output, live to
heaters
10
X102a – Mains input, neutral for
magnetron transformers and
monitor door switch
11
X102b – Mains output, neutral to
magnetron transformer and
monitor door switch.
12
X4a – Door switch signal from
secondary door switch (live for
magnetron transformer)
13
X14 – Cavity temperature sensor
(thermocouple)
14
X10 – Connector block for door switches
15
X18c – Cavity overheat
thermostat
16
X18d – Magnetron overheat
thermostat
17
X101 – Voltage selection relay
coil feeds. (US version only)
18
X4b – Live for magnetron
transformer
19
X3 – Output for convection fan
motor speed controller
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑫
⑬
⑭
⑮
⑯
⑰
⑱
⑲