Williams 4505621 Instruction Manual download pdf (Page 15)

Troubleshooting Floor Furnace cont.

SYMPTOM

10. Not enough heat.

11. Too much heat.

POSSIBLE CAUSE

A. Thermostat set too low.

B. Appliance close to thermostat.

C. Thermostat in bad location.

JD. Thermostat out of calibration.

A. Thermostat set too high.

B. Thermostat out of calibration.

C. Valve sticks open.

D. Thermostat in draft.

CORRECTIVE ACTION

Raise setting.

Move heat source away.

Relocate thermostat.

Recalibrate or replace.

Lower setting,

Recalibrate or replace.

Replace valve.

Relocate thermostat.

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