A.O. Smith 104 Series, Инструкция по эксплуатации

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33
COMPLAINT CAUSE
REMEDY
USER QUALIFIED SERVICE AGENCY
Water not hot enough
Thermostat set too low
Set thermostat dial to a higher
temperature
Upper and/or lower temperature
probe out of F alibration
Call quali ¿ ed servi F e agen F y
Che F k F ontinuity and resistan F e
(Ohms) of upper and lower
thermostat probes Repla F e probes
if out of spe F i ¿F ation
Insuf ¿F ient hot water
Thermostat set too low
Set thermostat dial to a higher
temperature
Upper and/or lower temperature
probe out of F alibration
Call quali ¿ ed servi F e agen F y
Che F k F ontinuity and resistan F e
(Ohms) of upper and lower
thermostat probes Repla F e probes
if out of spe F i ¿F ation
Main manual gas shutoff valve
partially F losed
Open main manual gas shutoff
valve to fullest extent
Heater too small for demand
Spa F e usage to give heater time
to restore water temperature
Heater re F overy is slower Call quali ¿ ed servi F e agen F y
Che F k gas input If in F orre F t, adjust
gas pressure or repla F e main burner
ori ¿F e
Water temperature too hot Thermostat set too high Set thermostat to a lower setting
Heater makes sounds sizzling
Condensation on outside of
tank - normal
Rumbling
Sediment a FF umulation on
bottom of tank
Drain a quantity of water through
drain valve If rumbling persists,
F all a quali ¿ ed servi F e agen F y
Delime heater
Ti F king or metalli F sounds
Expansion and F ontra F tion-
normal
Pounding / water hammer
Air F hambers in piping have
be F ome waterlogged Thermal
expansion tank damaged,
improperly F harged, or
improperly sized
Drain piping system and re ¿ ll
Heater must be off while this
is being done Che F k thermal
expansion tank F harge pressure
when the water system pressure
is zero
Follow the manufa F turer s
instru F tions for proper F harging
of the thermal expansion tank
Combustion noises
Too mu F h primary air Call quali ¿ ed servi F e agen F y
Overtired heater In F orre F t
burners or ori ¿F e for types of
gas used
Call quali ¿ ed servi F e agen F y Che F k and F orre F t as ne F essary
Water leaks
Drain valve not F losed tightly
If drain valve F annot be F losed
tightly, repla F e
If leakage sour F e F annot be
F orre F ted or identi ¿ ed, F all
quali ¿ ed servi F e agen F y
Shut off gas supply to heater
and F lose F old water inlet valve to
heater
Repair or in F ase of suspe F ted tank
leakage, be F ertain to F on ¿ rm before
repla F ing heater
Gas odors
Heater is over ¿ red
Shut off gas supply to heater and
F all quali ¿ ed servi F e agen F y
Che F k for sooted À ue passage
Che F k for obstru F ted vent line
Che F k ba F kdraft or la F k of draft
Draft hood may be improperly
installed or not sized properly
Possible gas leaks
Shut off gas supply to heater and
F all gas F ompany at on F e
TROUBLESHOOTING CHECKLIST