patio NPC05, Руководство по сборке

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©
AEI CORPORATION 2005
23
NATURAL GAS HEATER TROUBLE SHOOTING GUIDE
If you are having this problem: If this condition exists: You will need to do the following:
The pilot light won’t light
1) Shut-Off Valve at House gas is off.
2) Quick Disconnect couplers are not
engaged properly.
3) Air or debris in fuel lines.
4) Igniter is not sparking. 1) Open shut off valve. Turn black knob
on valve in counter-clockwise
direction
2) Check quick disconnect/nipple
engagement. Pull back sleeve and
engage fully.
3) Purge air by holding control knob at
“PILOT” position for at least two
minutes until you smell gas.
4) Use match to light pilot through
access hole at base of heater head.
Seek service or check igniter wire
connections. Replace igniter or wire
if required.
The pilot, after initial lighting,
will not stay lit
1) There may be a leak in the system.
2) Dirt build-up around pilot orifice.
3) Thermocouple is not operating
properly.
4) High wind condition blowing out pilot
flame.
1) Check connections at hose to feed
line and feed line to heater head.
2) Clean pilot orifice with compressed
air.
3) Depress Knob in “Pilot” position for
full 30 seconds. Remove emitter grid
and replace thermocouple. Use
only Patio Comfort thermocouples
and parts.
4) Put heater in more protected
location. Do not use heater in winds
in excess of 10 MPH. Do not use
heater in high wind conditions, rain,
or at temperatures below 40° F.
Main burner will not light 1) Gas Pressure is low.
2) Blockage in main burner orifice.
3) Control knob is not in “ON” position. 1) Check pressure of fuel line. Heater
requires minimum 6” W.C. to shut off.
2) Clear Spider web or other blockage.
.
3) Turn knob to “ON” Position.
Burner flame Is low or emitter
grid does not glow evenly.
Please note:
Bottom 1-2” of emitter grid
normally does not glow.
1) Gas pressure or gas volume is too
low. Control knob not set to full “ON”
Position
2) Heater is not on a level surface
1) Have gas pressure checked by gas
technician. Turn knob to “ON”.
2) Reposition heater onto hard and level
surface.
Carbon build up on emitter
grid or thick black smoke
coming from head
1) Dirt or film on reflector or emitter
grid.
2) Unit is not being operated in
full “ON:
3) Blockage in burner head, venturi
tube, or orifice.
1) Gently clean reflector or emitter.
Clear spider webs or debris.
2) Heater must be operated in
FULL “ON” setting.
3) Remove burner and check for burner
ports for blockage.