Page 76
Lower Oven Section SMW Oven Service Manual
Press the BROIL keypad and select an oven temperature and the following events will occur on the relay
board:
• Line Relay K8 closes.
• Cooling Fan Relay K6 closes and turns the Cooling Fan on.
• Cooling Fan air flow closes the Air Switch and activates the Stalled Fan Relay.
• The Stalled Fan Relay contacts close and supply L1 to one side of Relay K8 (already activated).
• The L1 Relay connects L1 line voltage to the Broil Element.
• Broil Relay K2 closes and connects the L2 (120-volt) line to the Broil element. NOTE: The Broil
Element is on for 60-seconds and draws 15-amperes during each 1-minute cycle.
Broil Cycle — Broil Preheat & Broil Mode
L2
L1
Cooling
Fan
K6
Cooling Fan
Relay
N.O.
Stalled
Fan Relay
Air
Switch
N.O.
K8
L1 Relay
Bake
K1
Bake
Relay
N.O.
K2
Broil
Relay
N.O.
Broil
60 Seconds
15 Amps
N.O. = Normally Open Contacts
N.C. = Normally Closed Contacts
= Neutral Return
N.C.
N.O.
High-Temp
Cutout
Stalled Fan
Relay Contacts
N.O.
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