Operating Procedures - Daikin DPS005 Installation And Maintenance Manual

Operating Procedures

If you do not follow these instructions exactly, a fire
or explosion may result causing property damage,
personal injury, or loss of life .
A . This appliance does not have a pilot. It is equipped
with an ignition device which automatically lights the
burner. Do not try to light the burner by hand.
B . Before operating, smell all around the appliance area
for gas. Be sure to smell next to the floor because
some gas is heavier than air and will settle on the
floor .
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electric switch, do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire
department .
C . Use only your hand to push in or turn the gas control
knob. Never use tools. If the knob will not push in
or turn by hand, don't try to repair it, call a qualified
service technician. Force or attempted repair may
result in a fire or explosion .
D . Do not use this appliance if any part has been under
water. Immediately call a qualified service technician
to inspect the appliance and to replace any part of
the control system and any gas control which has
been under water.
1 . Set the controller to the lowest setting.
2 . Turn off all electric power to the appliance.
3 . This appliance is equipped with an ignition device which
automatically lights the burner. Do NOT try to light the
pilot by hand.
4 . Open the control access panel.
5 . Turn the gas control clockwise to "OFF".
6 . Wait five (5) minutes to clear out any gas. Then, smell
for gas, including near the floor. If you smell gas, STOP!
Follow step "B" in the DANGER label on this page. If you
don't smell gas, proceed to the next step.
7 . Turn the gas control counter-clockwise to "ON".
8 . Close the control access panel.
9 . Turn on all electric power to the appliance.
10 . Set controller to full heat.
11 . Verify manifold pressure and rate.
12 . If the appliance will not operate, refer to "Turning Off Gas
to the Appliance", and call a qualified service technician.
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DANGER
Turning OFF Gas to the Appliance
1 . Set the controller to the lowest setting.
2 . Turn OFF all electrical power to the appliance if service
is to be performed .
3 . Open the control access panel.
4 . Turn the gas control knob clockwise to "OFF". Do not
force.
5 . Close the control access panel.
Service
The furnace DDC controller has diagnostic information for
troubleshooting the furnace operation. The ignition control
module has a LED light that will flash when an abnormal
condition occurs. See
page 41 for an explanation of the diagnostic information.
Maintenance
Planned maintenance is the best way to avoid unnecessary
expense and inconvenience. Have this system inspected
at regular intervals by a trained and experienced service
technician. The following service intervals are typical for
average situations but will have to be adjusted to suit your
particular circumstances.
Fuel pressure settings and control settings should be made
only by persons thoroughly experienced with the burner and
control system, and must not be tampered with by persons
without such experience.
Always replace covers on burner controls and boxes as the
electrical contacts are sensitive to dust and dirt. Perform
maintenance of controls, gas valves, and other components in
accordance with instructions contained in the manufacturer's
bulletins .
Monthly
Check air filters and replace if dirty.
Twice Yearly
1 . Burner Air - Check burner fan wheel for dirt buildup and
lint. Check combustion air intake louver and flue box/vent
for dirt buildup and accumulation of wind borne debris.
2 . Cleaning - Inspect flue tubes and combustion chamber,
clean as required. Keep burner vestibule clean. Dirt and
debris can result in burner air blockages.
Yearly
The heater and the venting system shall be inspected once a
year by a qualified service agency
Gas Train - Check all valves, piping and connections for
leakage. Inspect and clean flame rod, ignition electrode, and
burner manifold .
Condensate Pan/Drain - Check pan and drain for
accumulation of debris.
51
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Table 21 on page 52 & Table 14 on
IM 1125-7 • REBEL ROOFTOPS
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