Operational Checklist - State Water Heaters SBD85500NE Instruction Manual

COMPLAINT
*Water not hot enough
*Insuffi cient hot water
*See WATER TEMPERATURE
CONTROL WARNING (on page
11).
Water temperature too hot.
Heater makes sounds: sizzling.
Rumbling.
Ticking or metallic sounds.
Pounding.
Combustion noises.
Water leaks.
Gas odors.

OPERATIONAL CHECKLIST

CAUSE
Thermostat set too low.
Thermostat out of calibration.
Thermostat set too low.
Thermostat out of calibration.
Main manual gas shutoff valve
partially closed.
Heater too small for demand.
Thermostat differential is too
wide.
Heater recovery is slower.
Thermostat set too high.
Condensation on outside of
tank, normal.
Sediment accumulation on
bottom of tank.
Expansion and contraction -
normal.
Air chambers in piping have
become waterlogged.
Too much primary air.
Overfi red heater; Incorrect
burners or orifi ce for type of gas
used.
Drain valve not closed tightly.
If leakage source cannot be
corrected or identifi ed, call
serviceman.
Heater is over fi red
Possible gas leaks.
USER
Set thermostat dial to a higher
temperature
Call serviceman
Set thermostat dial to a higher
temperature
Call serviceman
Open main manual gas shutoff
valve to fullest extent.
Space usage to give heater time
to restore water temperature.
Call serviceman
Call serviceman
Set thermostat to a lower setting.
Drain a quantity of water through
drain valve. If rumbling persists,
call a serviceman.
Drain piping system and refi ll.
Heater must be off while this is
being done.
Call serviceman.
Call serviceman.
If drain valve cannot be closed
tightly, replace.
Shut off gas supply to heater
and close cold water inlet valve
to heater.
Shut off gas supply to heater
and call a serviceman.
Shut off gas supply to heater
and call gas company at once
32
REMEDY
SERVICEMAN
Recalibrate thermostat. If thermostat
cannot be recalibrated, replace.
Recalibrate thermostat. If thermostat
cannot be recalibrated, replace.
Check gas input. If incorrect, adjust gas
pressure or replace main burner orifi ce.
Delime heater.
Check and correct as necessary.
Repair or in case of suspecteed tank
leakage, be certain to confi rm before
replacing heater.
Check for sooted fl ue passage.
Check for obstructed vent line.
Check backdraft or lack of draft