Desa VVSR18 Owner's Operation And Installation Manual page 6

INSTALLATION
Continued
VVSR18
FVSR18
18"
HVSR18
Single
CPVSR18
CVSR18
VVSR24
FVSR24
24"
HVSR24
Single
CPVSR24
CVSR24
VVDR18
FVDR18
18"
HCVDR18
Dual
LVDR18
CVDR18
VVDR24
FVDR24
CVDR18 24"
HCVDR24 Dual
LVDR24
CVDR24
VVDR30
FVDR30 30"
LVDR30 Dual
CVDR24
LBFL18 18"
BFLT18 Triple
LBFL24 24"
BFLT24 Triple
FUEL INLET PRESSURE
SPECIFICATIONS (W.C.)
NG
LP
6
50,000 40,000 8" dia.
60,000 50,000 8" dia.
55,000 45,000 8" dia.
65,000 55,000 8" dia.
70,000 60,000 8" dia.
65,000 55,000 8" dia.
70,000 60,000 8" dia.
Min. Max.
5.5" 10.5"
11" 13"
Figure 2 - Technical Information Charts
www.desatech.com
MINIMUM FIREBOX SIZES
Models: VVSR18, FVSR18, HVSR18, CPVSR18,
CVSR18, CVDR18, VVDR18, FVDR18, HCVDR18,
LVDR18
Front Width* Back Width**
28" 16"
Models: VVSR24, FVSR24, HVSR24, CPVSR24,
CVSR24, CVDR24, VVDR24, FVDR24, HCVDR24,
LVDR24
Front Width* Back Width**
29 / " 17"
3
4
Models: VVDR30, FVDR30, LVDR30, CVDR30
Front Width* Back Width**
36" 27"
Models: LBFL18, BFLT18
Front Width* Back Width**
28" 16"
Models: LBFL24, BFLT24
Front Width* Back Width**
30" 22"
*Add 6" if safety valve/pilot is used
**At depth indicated
BURNER ORIFICE
LOG NATURAL
SIZE IN.
VV/FV/CV/CPV/ .120
HV/SR18
VV/FV/CV/HCV/
LV/DR18
VV/FV/CV/CPV/ .129
HV/SR24
VV/FV/CV/
HCV/LV/DR24,
LBFL18, BFLT18
VV/FV/CV/LV/ .1405
DR30, LBFL24,
BFLT24
Depth Height
14" 18"
Depth Height
15 / " 18"
1
2
Depth Height
18" 18"
Depth Height
15 / " 18"
1
2
Depth Height
15 / " 18"
1
2
PROPANE/LP
NUM. IN. NUM.
31 .073 49
30 .086 44
28 .089 43
901265-01P