American Standard HE 70-125 Operating, Installation And Service Manual page 34

30
5. Flame is recognized when there should be no fl ame (gas valve off). Lockout due to false fl ame witnessed and is
reset by the lack of fl ame, as an automatic reset feature. Lockout reset from other causes occurs by shutting off
the line voltage to the system or opening the room thermostat contact for more than 2 seconds.The control will
automatically reset lockout after one hour of continuous call from the thermostat. Three attempts for ignition will occur
each hour until the thermostat is satisfi ed (or power removed) and lockout, due to the ECO-Limit switch and will
result in a complete lockout.
P F B
ower ailure or rown-
normal minimum operating voltage (line voltage or low-voltage) the system will self-recover without lockout when
voltage returns to normal operating conditions.
MODEL 1013-1X
TIME DURATION FOR THIS
SEQUENCE IN SECOND
I
NSULATION
Insulation blanket kits which are available for external
applications to water heaters are not recommended.
However, some governing bodies require their use in new
construction of additions, regardless of how effi cient the
water heater may be.
If an insulation blanket is applied to this heater CAUTION
must be exercised not to restrict the proper function of
the heater.
The manufacturer of this heater will not be liable for
incidents arising, or resulting, from the use of external
insulation blankets: The manufacturer will not be liable
for corrosion of parts which may have resulted from the
use of such insulation blankets.
The space around the water heater is necessary for
proper ventilation air fl ow. This space must be maintained
unobstructed.
D
RAINING AND
The water heater should be drained if being shut down during freezing temperatures. Also periodic draining and
cleaning of sediment from the tank may be necesary.
o
uts. During a momentary power interruption or when voltage levels are below the
HSI
WARM-
UP 1ST
PREPURGE
TRIAL/2ND
AND 3RD
TRIAL
10 30
B
LANKET
F I
LUSHING
FLAME
IGNITION
ESTABLISHING
TRIAL
PERIOD
6 2
As time passes, the blanket may sag causing an obstruction of
this air passage, resulting in an unsafe operating condition.
DO NOT
heater. This could affect the operation, resulting in an
unsafe operating condition.
DO NOT
compartments, thermostat(s)
temperature & pressure relief valve on the water
heater.
DO NOT
applied to this water heater. These safety labels and
instruction materials must remain on the water heater
and be visible for reference by the user.
DO NOT
a permanent part of this water heater as required by
Certifi cation Agencies and/or the Federal Government.
T
NTERIOR OF ANK
OPEN
PRESSURE
FLAME
SWITCH
PROVING
RECOGNITION
PERIOD
PERIOD*
BEFORE GAS
VALVE OPENS
4 0.1
apply insulation to the top of a gas water
cover any access panels leading to burner
cover any labels or instruction material
attempt to remove these labels, as they are
OPEN
PRESSURE
SWITCH
POST
RECOGNITION
PURGE
PERIOD*
AFTER GAS
VALVE OPENS
0.1 15
control, doors, or