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Step 1:
Burner Option
Selection
tep 2:
Blower Option
election
Air Inlet
Filter
12
continued)
Air
Flow
Switch
Right Hand
Blower Motor
ir Flow Switch
he air flow switch provides a signal to the monitoring system
when there is not enough air pressure from the blower. If a
switch is selected, it will be factory mounted.
Warning:
Eclipse Combustion supports the NFP
regulation requiring, as a minimum standard for
main gas shut-off systems, the use of an air
pressure switch in conjunction with other system
components.
ote:
Standard blower options are listed in Price List 115,
additional blower options are available through Eclipse
Combustion. Price and leadtime may vary.
ower Supply Frequency
elect the 50Hz or 60Hz option. The 50Hz blower motors
have IEC frames and are CE marked. The 60Hz motors have
NEMA frames.
ressure & Flow
RatioAirs include a combustion air blower.
Blower Motor Type
Motor types include various options: voltages, single or three
phase, TEFC or automotive duty enclosures.
Blower Inlet
When selecting an inlet, consider the following:
mount nd size of p rticles in the ir.
sound requirements.
sp ce limit tions.
cle nliness requirements of the process.
otor Orientation
ll Ratio irs are assembled with a right-hand blower motor
orientation.
clipse RatioAir v1 - Design Guide No. 115, 2/14/05
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