Detroit Radiant Products Company HLV Series - Manual (Page 18)

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HLV Series
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2.0 Design • Vacuum Pump Application
Vacuum Pump Application
• The vacuum pump vent length must be from 2 ft. to 25 ft.
• The maximum number of elbows in the vent system is two.
• Both isolation boots provided with the system must be installed prior to the vacuum pump (Figure 3.2).
Vacuum pump selection is based on the overall BTU/H input of each system. Refer to Chart 2.3 for
vacuum pump determination.
Example:
A system designed with one HLV-150 burner and two HLV-100 burners has an overall system input
of 350,000 BTU/h. This system requires the PB-9 vacuum pump as indicated in Chart 2.3.
Model
No.
Total System Input
Range (BTU/h)
Allowable Burners
per Pump Weight
Dimensions (See Figure 2.11)
A B C
NC-7 40,000 to 150,000 1 min. / 2 max. 20 lbs. 10.0” 16.0” 18.5”
PB-8 50,000 to 275,000 1 min. / 4 max. 60 lbs. 11.0” 19.75” 16.5”
PB-9 280,000 to 545,000 2 min. / 6 max.* 67 lbs. 14.5” 19.75” 16.5”
PB-10A 550,000 to 750,000 3 min. / 6 max.* 73 lbs. 17.5” 21.0” 20.0”
Chart 2.3 • Vacuum Pump Models
Figure 2.11 • Vacuum Pump Dimensions (see chart 2.3)
B
C
B
NC-7 Pump • Side View NC-7 Pump • Front View PB Series Pumps • Isometric View
* Consult factory if exceeding maximum burners is required.
NOTE: The average sound level of PB Series vacuum pumps is between 60 and 63 DBA. If the
application requires a lower decibel level, relocation of the vacuum pump or a sound-deadening enclosure
may be necessary. Contact factory.
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