27
Figure 18 - Combustion Air and Vent Piping - Boiler Connections
COMBUSTION AIR AND VENT PIPE
2” (50.8mm) Diameter Vent And Combustion
Air Intake Piping
- 21 ft (6.4m)maximum total equivalent length
for 90-100 models
-26 ft (7.9m) maximum total equivalent length
for 90-50 and -90-75 models
- 2 ft (0.6m) minimum total equivalent length
for all models
TRANSITION FITTING
2” (50.8mm)
⊘
to 3” (76.2mm)
⊘
IN VERTICAL RUN
3” (76.2mm) Diameter Vent And Combustion
Air Intake Piping
- 92 ft (28m) maximum total equivalent length
for 90-100 models
- 15 ft (4.6m) minimum total equivalent length
for 90-100 models
- 112 ft (34m) maximum total equivalent
length for 90-50 and 90-75 models
- 20 ft. (6m) minimum total equivalent length
for 90-50 and 90-75 models
SAFETY RELIEF
VALVE SEE
PAGE 18 FOR
REQUIREMENTS
3”
SAFETY RELIEF
VALVE SEE
PAGE 18 FOR
REQUIREMENTS
Содержание Dunkirk 4 Series
Страница 12: ...12 NEAR BOILER PIPING Figure 2 Single Zone Boiler Piping SAFETY RELIEF VALVE SEE PAGE 18 FOR REQUIREMENTS ...
Страница 15: ...15 NEAR BOILER PIPING Figure 5 Primary Secondary Piping With Circulators And Domestic Hot Water ...
Страница 31: ...31 Figure 20 Field Wiring Connections ELECTRICAL WIRING SAFETY RELIEF VALVE SEE PAGE 18 FOR REQUIREMENTS ...
Страница 33: ...33 Figure 22 Ladder Diagram for Figure 22 ELECTRICAL WIRING ...
Страница 52: ...52 Troubleshooting Chart 1 TROUBLESHOOTING ...
Страница 53: ...53 Troubleshooting Chart 2 TROUBLESHOOTING ...
Страница 63: ...NOTES ...
Страница 64: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...