Utica Boilers UB90-100 インストール手順

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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