Reliant FVIR GAS WATER HEATER Technical Information download pdf (Page 47)

RESIDENTIAL GAS AND ELECTRIC WATER HEATER

TROUBLESHOOTING and SERVICE HANDBOOK

RELIANCE Water Heater Company Technical Training Department

Residential Electric – continued

A-6 service Voltage Check “No Hot Water” – continued

Test between Thermostat 2 and High Limit 4 or T2 and L4

If … … then

supply voltage is present: continue.

supply voltage is not present check jumper between high limit 2 and

thermostat 1.

replace thermostat – (tank must be 15 F

cooler than setting to activate thermostat.

Complaint: Lack of Hot Water

Conditions:

Upper thermostat satisfied

Lower portion of tank still calling for heat

Test between high limit 4 and thermostat 4 and L4 and T4

If … … then

correct supply voltage is present continue.

correct supply voltage is not present check that tank water temp has satisfied

the upper thermostat.

replace the upper thermostat.

Test between high limit 4 and lower thermostat 1 or L4 and 1

If … … then

correct supply voltage is present continue.

correct supply voltage is not present check wiring connections.

Test between high limit 4 and lower thermostat 2 or L4 and 2

If … … then

correct supply voltage is present continue.

correct supply voltage is not present replace lower thermostat.

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Reliant FVIR GAS WATER HEATER Technical Information Page 47