Manitowoc Merrychef eikon e2s, Service And Repair Manual

Page: 187 / 193

13 Circuit boards and diagrams
eikon e2s Service and Repair Manual UL 187
SRB Terminal Locations
Item Name
1 X3 – output for e2s convection fan motor
speed controller.
2 X101 – voltage selection relay coil feeds.
(US version only)
3 X18b – air filter reed switch.
4 X18e – right magnetron overheat ther-
mostat.
5 X18d – left magnetron overheat thermo-
stat.
6 X18c – cavity overheat thermostat.
7 X18a – On/Off switch.
8
X14 – cavity temperature temperature
sensor (thermocouple).
9
X5 – fan RPM input.
10 X13 – P Bus, ethernet port.
11 X12 – C Bus, development PC port.
12
X11 – P/C Bus, BTS cable.
13 X1 – 24V supply from low voltage
transformer.
14
X8 – cooling fan.
15 X17 – not used.
16 X20 – microwave stirrers.
17
X9 – mains output, convection fan
controller.
18
X103.1 – mains output to low voltage
transformer.
19
X103 – mains input, live and neutral.
20 X2.1 – mains input, live for heaters.
21 X2.2 – mains output, live to heaters.
22 X102a – mains input, neutral for magne-
tron transformers and monitor door
switch.
23 X102b – mains output, neutral to mag-
netron transformers and monitor door
switch.
24
X4a – door switch signal from secondary
door switch (live for magnetron trans-
formers).
25 X10 – connector block for door switches.
26 X4b – live for magnetron transformers