Triple Infinite Switch Voltage Measurements - Viking RDSCE2305B Service Manual

Troubleshooting
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
Switch contact
P1
P2
P1 to P2
2
4
4a
S2
Aux Switch 4
Aux Switch 4b
28
!

Triple Infinite Switch Voltage Measurements

Signal
L1
L2
Line voltage
input
L1 when
thermostat
closes to
element
L2 when
thermostat
closes to
element
L2 when
thermostat
closes to
element
L2 to Power
Light when
thermostat
closes
L2 when
thermostat
closes to
element
L2 when
thermostat Aux
Switch closes to
element
WARNING
Voltage
120 VAC to
neutral
120 VAC to
neutral
240 VAC
120 vac when
thermostat
closes to neutral
120 vac when
thermostat
closes to neutral
120 vac when
thermostat
closes to neutral
120 vac when
thermostat
closes to neutral
120 vac when
thermostat
closes to neutral
120 vac when
thermostat Aux
Switch closes to
neutral
Wire color code
Black
Red
Black to Red
Yellow
Black/White
White/Red
Red/White
Gray
Violet
©2012 Viking Preferred Service