Thermostat - State Water Heaters SandBlaster SBD71 120 Service Handbook

STEP 7
STEP 7. THERMOSTAT TEST.
multimeter, test for 24 VAC between right terminal and ground.
IF
The meter does not read 24 VAC and the jumper wire
between the high limit and the thermostat is in place:
The meter reads 24 VAC:
Note: If the high limit to thermostat jumper wire was disconnected earlier to simulate a satisfied
thermostat, reconnect the jumper to the terminals.
Note: A yellow wire from this thermostat terminal connects to the damper PC board.
Technical Training Department
Ashland City, TN ©2003
SBD TANK TYPE HEATERS
SERVICE HANDBOOK
THERMOSTAT TEST
Set the thermostat to call for heat.
24
Using your
THEN
Replace the thermostat
Go to step 8.