Welbilt MERRYCHEF conneX Service & Repair Manual page 105

7 Circuit boards and diagrams
7 CIRCUIT B OARD S A ND DIAGRA MS
Terminal Connection
X100
Wire 14 – Live from F1
Wire 15 – Neutral (US L2) from top mains filter
X101 Wire 16 – Live to Switch Mode Power Supply
Wire 17 – Neutral (US L2) to SMPS
X110
Wires 58 & 59 – cooling fan supply
X112 Stirrer motor(s)
X113
Wire 64 – Live to VFD (fan speed controller)
Wire 65 – Neutral (US L2) to VFD
X200
Wire 10 – Live from F3
X210
Wire 29 – Live to heating element(s)
X400 Wire 24 – Live from door SW3 for microwave circuit(s)
X401 Wire 13 – Neutral (US L2) from F6
X402 Door Switch Interlock
Wire 20 – Live from door SW2
Wire 22 – Neutral (US L2) from door SW1
Wire 23 – Live to door SW3
X403 Wire 26 – Live from F5
X410 RH / Rear HV Transformer
Wire 31 – terminal 0. Neutral (US L2)
Wire 35 – terminal 200/208. Live
Wire 36 – terminal 230/240. Live
X411 LH / Front HV Transformer
Wire 44 – terminal 0. Live
Wire 49 – terminal 200/208. Neutral (US L2)
Wire 50 – terminal 230/240. Neutral (US L2)
X412
Wire 21 – Neutral (US L2) to door SW1
X413 Not used
X500 12VDC supply from SMPS.
Wire 18 +
Wire 19 -
X510 Not used – Linked out (jumper)
X511
Air Filter micro switch
X512 Cavity overheat thermostat. Wires 70 & 69
X513 Centre / RH Magnetron overheat thermostat. Wires 72 & 71
Merrychef conneX ® service and repair manual
Back to contents >
105