Manitowoc Merrychef eikon e2s - Page 187

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 tran
s-
formers).
25
X10
– connector block for door switches.
26
X4b
– live for magnetron transformers