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Ratings
Model Number
Note: Change "N" to
"L" for L.P. gas models.
Min
FTX1000N
100
Maximum allowed working pressure is located on the rating plate.
NOTICE
Notes:
1. The ratings are based on standard test procedures
prescribed by the United States Department of Energy.
2. Net AHRI ratings are based on net installed radiation of
sufficient quantity for the requirements of the building
and nothing need be added for normal piping and pickup.
Ratings are based on a piping and pickup allowance of 1.15.
3. FTXL boilers require special gas venting. Use only the vent
materials and methods specified in the FTXL Installation
and Operation Manual.
4.
High altitude FTXL boilers are equipped to operate from
3,000 to 12,000 feet only. The boiler will not de-rate up to
5,400 feet and will derate 4.3% for each 1,000 feet above
5,400 feet.
5. High altitude models are manufactured with a
different control module for altitude operation,
but the operation given in this manual remains the
same as the standard boilers. A high altitude
label (as shown in Fig. A) is also affixed to the unit.
De-rate values are based on proper combustion calibration
and CO2's adjusted to the recommended levels. Model
1000 is certified above 5,400 feet for natural gas only (no
propane).
6
FTXL Boiler
AHRI Rating
Input
Gross
MBH
Output
MBH
(Note 4)
Max
(Note 1)
1000
982
Installation & Operation Manual
Other Specifications
Net
Boiler
AHRI
Water
Ratings
Content
Connections
Water,
Gallons
MBH
(Note 2)
854
19
6. Ratings have been confirmed by the Hydronics Section of
AHRI.
7. FTXL boilers comply with the requirements of CSD-1
Section CW-400 requirements as a temperature operation
control. The manual reset high limit provided with the
FTXL is listed to UL353.
Figure A High Altitude Label Location
Water
Gas
Air
Connections
Size
2 1/2"
1 1/4"
6"
2000603372 00
Vent
Size
(Note 3)
6"
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