18
FIGurE 8.3: PurPOSE OF taPPInGS anD BOSSES
taBlE 8.4 PurPOSE OF taPPInGS
Tapping Location
Size (NPT)
Steam Boiler
Less Heater
With Heater
A
1/4”
Pressure Gauge
B
1/4”
Pressure Limit
C
3/4”
Probe LWCO
D
1/2”
Water Gauge Glass
E
2”
Supply (Front & Rear Tappings)
F
3/4”
Safety Valve
G
1-1/2”
Condensate Return (Reduced to 1-1/4”
on FSZ080,100 & 130)
H
1-1/4”
Optional Front Return (Plugged)
J
1-1/2”
Surface Blowoff (Plugged)
K
1”
Indirect Water Heater Supply (Plugged)
L
1/2”
Indirect Water Heater Limit (Plugged)
R
1/2”
L4006 Operating
Control
Plugged
Summary of Contents for FSZ080
Page 2: ......
Page 14: ...12 FIGURE 6 4 ALLAIR FROM OUTDOORS USING HORIZONTAL DUCTS INTO BOILER ROOM...
Page 18: ...16 FIGURE 8 1 STEAM BOILER PIPING FOR GRAVITY RETURN...
Page 26: ...24 FIGURE 10 2 TWO PIPE GRAVITY FEED SYSTEM NOT RECOMMENDED FIGURE 10 3 TWO PIPE LIFT SYSTEM...
Page 29: ...27 FIGURE 11 0 WIRING CONNECTIONS DIAGRAM STEAM CG450 PROBE LWCO...
Page 30: ...28 FIGURE 11 1 CONNECTIONS WIRING DIAGRAM FOR BURNER SPECIFIC PRIMARY CONTROL...
Page 31: ...29 FIGURE 11 2 INDIRECT WATER HEATER FIELD WIRING...
Page 41: ...39 Notes...
Page 43: ...41...
Page 45: ...43...
Page 47: ...45...
Page 51: ...Notes...
