22
iV. Venting
B. CPVC/PVC Venting (continued)
Table 8: Vent/Combustion air Pipe Length – Two-Pipe Direct Vent System Options
CPVC/PVC
Polypropylene (PP) or Polypropylene (PP)/PVC
Stainless Steel/PVC or galvanized Steel)
Vent/Combustion Air Equivalent Length Calculation Work Sheet
Combustion air
Vent
90° Elbow(s) PVC (installer Supplied)
90° Elbow(s) CPVC (Supplied with Boiler)
Nominal
Diameter,
In.
Quantity
(Pc)
Equivalent
Length, Ft/Pc
Subtotal,
Equivalent
Ft. (A)
Nominal
Diameter,
In.
Quantity
(Pc)
Equivalent Length,
Ft/Pc
Subtotal,
Equivalent Ft.
(D)
4
13
4
1
13
13
6
22
6
1
22
22
45° Elbow(s) PVC (installer Supplied)
90° Elbow(s) PVC (installer Supplied)
Nominal
Diameter,
In.
Quantity
(Pc)
Equivalent
Length, Ft/Pc
Subtotal,
Equivalent
Ft. (B)
Nominal
Diameter,
In.
Quantity
(Pc)
Equivalent Length,
Ft/Pc
Subtotal,
Equivalent Ft.
(A)
4
4.5
4
13
6
7.5
6
22
Straight Pipe, PVC (installer Supplied)
45° Elbow(s) PVC (installer Supplied)
Nominal
Diameter,
In.
Quantity
(Length,
Ft.)
Equivalent
Length,
Ft/Ft
Subtotal,
Equivalent
Ft. (C)
Nominal
Diameter, In.
Quantity
(Length, Ft.)
Equivalent Length,
Ft/Ft
Subtotal,
Equivalent Ft.
(B)
4
1
4
4.5
6
1
6
7.5
* Total Equivalent Length, Ft. (A+B+C) =
30” (2.5 Ft.) Straight Pipe, CPVC (Supplied with Boiler)
Nominal
Diameter,
In.
Quantity
(Length, Ft.)
Equivalent Length,
Ft/Ft
Subtotal,
Equivalent Ft.
(E)
4
2.5
1
2.5
6
2.5
1
2.5
Straight Pipe, PVC (installer Supplied)
Nominal
Diameter,
In
Quantity
(Length, Ft.)
Equivalent Length,
Ft/Ft
Subtotal,
Equivalent Ft.
(C)
4
1
6
1
* Total Equivalent Length, Ft. (A+B+C+D+E) =
* Note: Total Equivalent Length Calculated Value Cannot Exceed Max. Equivalent Length Values shown in Table 8.
Vent and Combustion Air Terminals Do Not Count Towards Total Equivalent Length.
Boiler
Model
4” Combustion Air Pipe
(Equivalent Length)
6” Combustion Air Pipe
(Equivalent Length)
4” Vent Pipe
(Equivalent Length)
6” Vent Pipe
(Equivalent Length)
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
APX399
30 In.
100 Ft.
30 In.
100 Ft.
APX500
30 In.
100 Ft.
30 In.
100 Ft.
APX800
30 In.
200 Ft.
30 In.
200 Ft.
Содержание Apex APX399
Страница 7: ...7 I Product Description Specifications and Dimensional Data continued Figure 1A Apex Model APX399 ...
Страница 8: ...8 Figure 1B Apex Model APX500 I Product Description Specifications and Dimensional Data continued ...
Страница 9: ...9 I Product Description Specifications and Dimensional Data continued Figure 1C Apex Model APX800 ...
Страница 65: ...65 VIII Electrical continued Figure 43 Ladder Diagram ...
Страница 66: ...66 VIII Electrical continued ...
Страница 67: ...67 Figure 44 Wiring Connections Diagram VIII Electrical continued ...
Страница 110: ...110 1P 3 1P 2 1P 1 XIII Repair Parts continued 1C 1D 1E ...
Страница 116: ...116 XIII Repair Parts continued ...
Страница 118: ...118 XIII Repair Parts continued ...
Страница 129: ...129 SERVICE RECORD DATE SERVICE PERFORMED ...
Страница 130: ...130 SERVICE RECORD DATE SERVICE PERFORMED ...
Страница 131: ...131 SERVICE RECORD DATE SERVICE PERFORMED ...
