Simulated Resistive Device Testing And Replacement - Bradford White TW Series Service Manual

Tw series through-the-wall gas water heaters troubleshooting guide and instructions for service
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Simulated Resistive Device Testing
Step 1.
Position power switch on gas control to the
"OFF" position.
Step 2.
Disconnect simulated resistive device from
gas control.
Step 3.
Using a multi-meter set to the ohms setting
check resistance of simulated resistive
device. Resistance must be within 25,000
ohms and 45,000 ohms. If outside of this
range replace simulated resistive device.
Multi-meter set to
ohms setting
For water heaters with serial numbers
that begin with "J" or sooner.
Multi-meter set to
ohms setting
For water heaters with serial numbers
that begin with "K" or later.
30
Electronic
"pin type"
Meter Probes
Electronic
"pin type"
Meter Probes
TTW SERVICE PROCEDURE VII
Simulated Resistive Device Testing
Simulated Resistive
device
Simulated Resistive
device
Simulated Resistive
device
Page 30

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