The FT Series Heating Only, Boiler
Page 27
2. Provide two openings to allow for circulation of
combustion air as specified by ANSI Z224.1/NFPA 54.
In Canada refer to CAN/CSA B-149.1
NOTE: The FT needs fresh air for safe operation and must
be installed so there are provisions for adequate
combustion and ventilation air.
Model
FTHW100
FTHW140
FTHW199
Maximum Input (BTU/H)
100,000
140,000
199,000
Indoor make up air is provided,
a minimum free area of 1 in2
per 1,000 BTU/H
100 in
2
13 1/4˝
(W) x 13 1/4˝ (H)
140 in
2
13 1/4˝
(W) x 13 1/4˝ (H)
199 in
2
13 1/4˝
(W) x 13 1/4˝ (H)
Table 6. Adequate Free Area
4.7.3
Indoor Combustion Air
Read and Follow Sections 4.3 Guidelines First.
1. Insert the termination end cap into the intake air duct.
Vertical Vent Termination
• Direct Vent - Vertical Terminations
with Sloped Roof
All Terminations:
• After connecting terminals, install vent screens on both the vent and air inlet.
Two 3” vent screens are included with each unit. Additional replacement screens are available for purchase.
2” Vent Screen P/N - FT1508
3” Vent Screen P/N - FT1730
Vent Screens
are required
4.8
Vent / Air Pipe Termination
Содержание FT Series
Страница 52: ...Page 52 4 20 Ladder Diagram ...
Страница 70: ...Page 70 6 2 Fault Tree Analysis 6 2 1 1 Flame detection ...
Страница 80: ...Page 80 SECTION 10 Parts 10 1 100 MBH Casing Assembly ...
Страница 82: ...Page 82 Heat Exchanger Assembly 100 MBH ...
Страница 84: ...Page 84 Blower Assembly 100 MBH ...
Страница 86: ...Page 86 Casing Assembly 10 2 140 MBH ...
Страница 88: ...Page 88 Heat Exchanger Assembly 140 MBH ...
Страница 90: ...Page 90 Blower Assembly 140 MBH ...
Страница 92: ...Page 92 Casing Assembly 10 3 199 MBH ...
Страница 94: ...Page 94 Heat Exchanger Assembly 199 MBH ...
Страница 96: ...Page 96 Blower Assembly 199 MBH ...
Страница 98: ...Page 98 Notes ...
Страница 99: ...The FT Series Heating Only Boiler Page 99 Notes ...