52
Table 16: Pilot Burner Location
Figure 30: Differential Pressure Measurement
Table 17: Differential Pressure Switch Settings
Model
Main Burner with Pilot Bracket
Pilot Burner Located Between Main Burners *
PVG3
2
2 & 3
PVG4
3
3 & 4
PVG5
4
4 & 5
PVG6
5
5 & 6
PVG7
6
6 & 7
PVG8
7
7 & 8
PVG9
8
8 & 9
* Main burners numbered left to right as viewed from front of boiler.
Model
Minimum Differential Pressure
Sea Level to 4,999 Ft.
(Natural Gas)
Hi Altitude
5,000 Ft. to 10,000 Ft.
(Natural Gas)
Sea Level to 4,999 Ft.
(LP Gas)
Hi Altitude
5,000 Ft. to 10,000 Ft.
(LP Gas)
PVG3
1.32” w.c.
0.75” w.c.
1.32” w.c.
0.75” w.c.
PVG4
1.17” w.c.
0.75” w.c.
1.17” w.c.
0.75” w.c.
PVG5
1.37” w.c.
0.80” w.c.
1.17” w.c.
0.75” w.c.
PVG6
1.17” w.c.
0.75” w.c.
0.88” w.c.
0.61” w.c.
PVG7
1.00” w.c.
0.75” w.c.
0.80” w.c.
0.61” w.c.
.PVG8
1.00” w.c.
0.75” w.c.
0.88” w.c.
0.61” w.c.
PVG9
1.00” w.c.
0.75” w.c
0.88” w.c.
0.61” w.c
XI. SERVICE (continued)
Summary of Contents for PVG3
Page 14: ...14 Figure 4 Horizontal Vent Installation III Venting continued...
Page 16: ...16 Figure 7 Attic Offset Figure 6 Vertical Vent Installation III Venting continued...
Page 29: ...29 Figure 17 Wiring Connection Diagram VI Electrical continued...
Page 31: ...31 Figure 19 Circulator Zoned System Wiring Diagram VI Electrical continued...
Page 32: ...32 Figure 20 Zone Valve Zoned System Wiring Schematic VI Electrical continued...
Page 34: ...34 Figure 21 Modular Boiler Piping VII Modular Installation continued...
Page 36: ...36 Figure 22 Operating Instructions VIII System Start up continued...
Page 51: ...51 Figure 29 Flue and Burner Cleanout 1 Burner XI Service continued...
Page 54: ...54 XII Repair Parts continued...
Page 56: ...56 XII Repair Parts continued...
Page 60: ...60 XII Repair Parts continued...
Page 67: ...67 SERVICE RECORD DATE SERVICE PERFORMED...
Page 68: ...68 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net...
