Ble - Carrier F96CTN Installation, Start-Up, Operating, Service And Maintenance Instructions

F96CTN and G96CTN (Series A): Installation, Start-up, Operating, Service and Maintenance Instructions
Unit Size
Uninsulated
Winter
Pipe Dia.
Design
1 ½ 2
in.
Temp
20 20 20
°F
0 10 5
-20 5
-40
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Ventilated Combustion
Air intake pipe
Pipe hangar
Ventilated Combustion Air
intake termination in crawl
space
Fig. 51 – Vent Terminations for Ventilated Combustion Air
Table 12 – Maximum Allowable Exposed Vent Lengths Insulation Table
Maximum Allowable Exposed Vent Length in Unconditioned Space - Ft.
40,000* BTUH
3/8-in. 1/2-in.
Insulation Insulation
2 ½ 1 ½ 2 2 ½ 1 ½
20 20 50 45 20 60
5 20 25 20 20 30
20 15 10 20 20
15 10 5 15 15
3" (76 mm)
12" (305 mm)
CRAWL SPACE
ATTIC
Uninsulated
2 2 ½ 1 ½ 2 2 ½
50 20 30 30
25 15 15 10
15 10 5
10 5
40
highest level of insulation
60,000 BTUH
3/8-in. Insulation
3 1 ½ 2 2 ½ 3 1 ½
25 20 75 65 60 20
10 20 40 30 25 20
20 25 20 15 20
20 15 15 10 20
A10497
1/2-in. Insulation
2 2 ½ 3
85 75 65
45 40 30
30 25 20
20 15 10