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7. Find pilot. Followmetaltubefrom gas control.
Dependingonthemodeloftheboiler,pilotiseither
mountedon the base or on one of the burner
tubes.
8. Turn gas control knob counterclockwise f'_'_,
to "PILOT."
9. Push in gas control knob or reset button if so
equipped, all the way in and hold. Immediately light
the pilot with a match. Continue to hold the gas control
knob or reset button in for about 1 minute after the
pilot is lit. Release knob or button, and it will pop up
back up. Pilot should remain lit. If it goes out, repeat
steps 5 through 9.
* If knob or button does not pop up when released,
stop and immediately call a qualified service
technician or your gas supplier.
* If the pilot will not stay lit after several tries, turn
the gas control knob clockwise ,_'_tto "OFF."
See note on page 16 and call a qualified service
technician or your gas supplier.
10. Replace burner door.
11. Turn gas control knob counterclockwise f_"_'\
to "ON."
12. Replace access panel.
13. Turn on all electric power to the appliance.
14. Set thermostat to desired setting.
1. Set the thermostat to lowest setting.
2. Turn offatl electric power to the appliance if service
is to be performed.
3. Push in gas control knob slightly and turn clockwise
_to "OFF." DO NOT FORCE.
4. Call a qualified service technician.
On a call for heat, the thermostat will actuate,
completing the circuit to the control. The completed
circuit to the control will first activate the circulator
and damper which will close an end switch inside
the damper. This action will complete the circuit to
the ignition system and ignition wilt take place.
In the event the boiler water temperature exceeds
the high limit setting on the boiler mounted high
limit control, power will be interrupted between the
control system and the ignition system. The power
will remain off until the boiler water temperature
drops below the high limit setting. The circulator wilt
continue to operate under this condition until the
thermostat is satisfied.
In the event the flow of combustion products through
the boiler venting system becomes blocked, the
blocked vent safety switch will shut the main burner
gas off. Similarly, if the boiler flueway becomes
blocked, a flame rollout safety switch will shut the
main burner gas off. (Figure 17) If either of these
conditions occur, DO NOT ATTEMPT TO PLACE
THE BOILER BACK INTO OPERATION. CONTACT
A QUALIFIED SERVICE AGENCY.
FOR MODELS:
i5123 THRCL, GH 15275
FOR h,/ODEL3:
15045 THROUGH 1509_
"\
"\\BLOCKED VENT
5A_EIY 5WIICd
INTEGR/\L D R/_ FT / _
H ( ):1[
BASE.
FOR MODELS: 150 8 & 152P5 //
IACKET BAS
PANEL
\.
"\MAN FCLD
ROLL OdT 3A_ ETI'j /
SWITCH
IFIGURE 171
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