All installations and services must be performed by qualified service personnel.
8. The furnace is now ready for burner adjustment, refer to the following “BURNER
OPERATION AND ADJUSTMENT” section.
L. BURNER OPERATION AND ADJUSTMENT
: NEVER burn garbage or refuse in the furnace. NEVER try to ignite oil or gas by
tossing burning papers or other material into your furnace.
: If you do not follow these instructions exactly, a fire or explosion may result
causing personal injury, loss of life or property damage.
: NEVER use gasoline or a mixture of oil and gasoline to start the burner or
furnace.
1. Qualified service personnel must perform the first lighting of the burner.
2. The burner instructions must be read and understood before any attempt is made to
light this burner.
NOTE: For the sequence of burner operations, see individual burner manual. To
successfully service and initially set up this furnace you must use the following
instruments:
[Items (a)-(e) ... apply to both oil and gas furnaces), item (f) ... applies to gas units only,
and items (g)-(h) ... applies to oil units only]
a. Carbon dioxide (CO
2) or oxygen (O2) analyzer.
b. Flue gas thermometer (range 100°F to 1000°F) and temperature-measuring
device (range -40°F to 240°F, for return and supply air temperatures).
c. Carbon monoxide (CO) detector
d. Electrical multimeter
e. Liquid, U-tube type manometer or equivalent pressure measuring instrument
(range: 0 – 28 in.W.G.)
f. Smoke spot tester or equivalent smoke density measuring device
g. Oil pressure gauge (range: 0-150 PSIG)
h. Vacuum gauge (range: 0-30 in. W.G. vacuum)
Turn the main service switch that provides power to the furnace to the “off” position. Set
thermostat above room temperature. Open all fuel supply valves. Bleed air out of fuel
supply line, if not already completed (for oil, power must be “on” to the burner and the
pump must be operating to expel air in the supply line).
When ignition is established, if necessary, make a preliminary burner air adjustment to
attain a clean combustion flame (one which does not create smoke by eye). On the GMD
unit, the flame may be viewed through a sightglass mounted on the burner. On both units,
the flame may be viewed through the overfire inspection cover (see exploded diagram of
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