Справочник Пользователя для State Industries SBN71 120
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
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Ashland City, Tennessee
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TEST 3 - CONTINUITY CHECK OF HIGH LIMIT (ECO)
Conditions:
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Power On – No Hot Water
●
Red, heater control “Call for Heat”
LED – on
●
Red ignition control board
diagnostic LED – 4 Flashing
●
Note LED Flash Code before
resetting water heater control.
●
See Description of diagnostic LED
Flashes.
●
Turn Power “Off”
0.0
Ohms
TEST 3
Continuity check of ECO (energy cut-off, high limit)
Black to Black wires of upper probe. Power is off.
Black to Black wires of upper probe. Power is off.
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continuity
is indicated (ZERO “0.0” Resistance)
opens at 203° F; closes at 193° F. If water is
below 193° F, continuity is correct.
continuity
is not present (meter reads “0.L”)
replace ECO sensor, if water temperature is
below 193° F.
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•replace heater control if control will not manually
reset.