HeatPro Furnace Installation and Operation Manual
33
7.3 Blower technical Data
The blower speed must conform to the recommendations of the Warm Air Heating and Air
Conditioning National Association and should respect the static pressure ranges in the
warm air plenum of the furnace.
MODEL
(DIRECT DRIVE)
FLOW
TEMP
VAR.
BTU/H
STATIC
PRESSURE
OPTIONAL
FILTER
VENT
MOT.
VIT.
(CFM)
(°F)
(WOOD)
INCH OF W.C.
(IN)
HEATPRO
DD-10
1/3
4
1900
135
180,000
0,2
20" x 15" x 1"
Blower speed
Static pressure (in. WC) / (Pa)
Flow (CFM)
1
0.2 / 50
1136
2
0.2 / 50
1686
3
0.2 / 50
1790
4
0.2 / 50
1900
Volts
Amps
Max Amps
Hertz
Watts
120
3.6
5.0
60
432
7.4
Draw Calibration
The draw: The measurement is taken in the exhaust pipe 18" (457 mm) above the
furnace's flue collar with a tube and a pressure gauge (manometer).
- Poor: -0.03" W.C. (7.5 Pa) and under: ignition problems, risk of smoke spillage, low
performance of heat exchangers.
- Ideal: from -0.04" to -0.06" W.C. (10 to 15 Pa): To obtain the optimum performance of
the furnace.
o
A barometric draft control is not required.
- Excessive: -0.08" W.C. (20 Pa) : WARNING
This leads to premature wear of the furnace, a situation that is not covered by warranty.
o
A draw greater than -0.08" W.C. (20 Pa) leads to uncontrollable fire even if the
air control is in closed position.
o
To prevent excessive draft, a barometric control must be installed to control
excessive draft. It must be adjusted to the maximum draft of 0.06" W.C. (15 Pa)
measured at the output of the furnace.
Summary of Contents for HEATPRO DF03000
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