Specifications

TM013 Vulcan Electric Service Instructions REV: D
D.O.I.: 05/09
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Thermostat Test 1
EWT2 Thermostat
ST22 Thermostat
Using a multimeter on the resistance scale, measure between the terminals indicated
above on the thermostat. The reading should be less than 1 ohm.
Thermostat Test 2
EWT2 Thermostat
ST22 Thermostat
Using a multimeter set on the resistance scale, measure between the terminals indicated
above on the upper thermostat. If the reading is less than 1 ohm the neutral to the top
element is closed.
Thermostat Test 3
EWT2 Thermostat
ST22 Thermostat
Using a multimeter set on the resistance scale, measure between the terminals indicated
above on the upper thermostat. If the reading is less than 1 ohm the neutral to the
bottom element is closed.