Raypak RAYTHERM 0180B - Manual (Page 29)

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technician. Force or attempted repair may result in
a fire or explosion.
D. Do not use this boiler if any part has been under
water. Immediately call a qualified service techni-
cian to inspect the boiler and to replace any part of
the control system and any gas control which has
been under water.
For Intermittent Ignition (IID)
with Honeywell or Robertshaw
Gas valve (All Models)
1. STOP! Read the previous safety information.
2. Set the thermostat to the lowest setting.
3. Turn off all electrical power to the appliance.
4. This boiler is equipped with an ignition device which
automatically lights the pilot. Do not try to light the
pilot by hand.
GAS CONTROL
KNOB SHOWN
IN "OFF"
POSITION
GAS INLET
HONEYWELL
(Models 0042 - 0090)
5. For Honeywell valve: Turn gas control knob
clockwise to "Off".
For Robertshaw valve: Push in and move gas
control lever to "Off" position.
6. Wait 5 minutes to clear out any gas. Then smell for
gas, including near the floor. If you smell gas,
STOP! Follow "B" in the safety information on the
label affixed to the front of the unit. If you don't smell
gas, go to the next step.
7. For Honeywell valve: turn gas control counter-
clockwise to "On".
For Robertshaw valve: Move gas control lever
to "On" position.
G
ROBERTSHAW
(All Models)
Then smell for
g
"On" position.
GAS CONTROL
KNOB SHOWN
IN "OFF"
POSITION
GAS INLET
ROBERTSHAW
(All Models)
Fig. 27: Honeywell Gas Valve
Fig. 28: Robertshaw Gas Valve
8. Turn on all electrical power to the boiler.
9. Set thermostat to desired setting.
10. If the boiler will not operate, follow the instructions
"To Turn Off Gas To Boiler" and call your service
technician or gas supplier.
To Turn Off Gas to the Boiler
1. Set the thermostat at the lowest setting.
2. Turn off all electrical power to the boiler if service
is to be performed.
3. For Honeywell valve:
Turn gas control knob clockwise to
"Off". Make sure knob rest against stop.
For Robertshaw valve:
Push in and move gas control lever to "Off"
position.
HONEYWELL PILOT
Fig. 29: Honeywell Pilot
Shut-down Procedure
To prevent freeze damage to the heating system, it is
recommended that the following system shut-down
procedure be performed.
1. Set the room thermostat to "OFF" or the lowest
setting.
2. Turn off all electrical switches to the boiler.