Welbilt MERRYCHEF eikon e2s - Page 97

Merrychef eikon
®
e2s service and repair manual
97
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7 Circuit boards and diagrams
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SRB terminal locations
Item
Name
1
X3 – control voltage for convection fan motor speed
controller. Wires 66, 67 & 68
2
X101 – voltage selection relay(s) coil feed. Wires 37,
38, 51 & 52. Pins 51 & 52 not used on 1000W ovens
3
X18b – air filter microswitch
4
X18e – left hand magnetron overheat thermostat.
Wires 73 & 74
5
X18d – right hand magnetron overheat thermostat.
Wires 71 & 72 (shorting link fitted to 1000W ovens)
6
X18c – cavity overheat thermostat & convection fan
motor IP. Wires 69 & 70
7
X18a – on-off switch. Wires 25 & 26
8
X14 – not used
8
X14.1 – cavity temperature sensor (thermocouple)
9
X5 – not used
10
X13 – RJ11, P Bus, ethernet port, optional kitchen
connect
11
X12 – RJ12, C Bus, development PC port, optional
kitchen connect
12
X11 – RJ45, P/C Bus, QTS cable
13
X1 – 24V supply from low voltage transformer. Wires
18 & 19
14
X8 – cooling fan. Wires 58 & 59
15
X17 – not used
16
X20 – microwave stirrer(s). Pins 3 & 4 not used on
1000W ovens
17
X9 – mains output, convection fan controller. Wires
64 & 65
18
X103.1 – mains output, LV transformer. Wires 16 &
17
19
X103 – mains input, live (F3) and neutral. Wires 14 &
15
20
X2.1 – mains input, live (F1) for heaters. Wire 10
21
X2.2 – mains output, live to heaters. Wire 29
22
X102a – mains input, neutral for magnetron
transformers and monitor door switch. Wire 13
23
X102b – mains output, neutral to magnetron
transformers and monitor door switch. Wires 21, 31
& 45. Wire 45 not used on 1000W ovens
24
X4a – door switch signal from primary door switch
(F2 live for magnetron transformers). Wire 24
25
X10 – connector block for door switches. Wires 20,
22 & 23
26
X4b – live for magnetron transformers. Wires 30 &
44. Wire 44 not used on 1000W ovens
27
X18f – not used