Installation / Operation Instruction Manual

Page 34
Table 11. Manifold Pressures
NG'typecombustibility LP'typecombustibility
2''/3''VENT 2''/3''VENT
2"VENT 3"VENT 2"VENT 3"VENT
MAXFIRE ‐0.130''WC ‐
0.100''WC MAXFIRE
‐0.129"WC ‐0.314WC ‐0.169"WC ‐0.173"WC
MIN
FIRE 0.004''WC 0.002''WC MINFIRE
‐0.015"WC ‐0.015"WC ‐0.015"WC ‐0.015"WC
NG'typecombustibility LP'combustibility
Manifoldpressure
FTCW199
Manifoldpressure
FTCW140
NG'typecombustibility LP'typecombustibility
2''/3''VENT 2''/3''VENT
2"VENT 3"VENT 2"VENT 3"VENT
MAXFIRE ‐0.130''WC ‐0.100''WC MAX
FIRE
‐0.129"WC ‐0.314WC ‐0.169"WC ‐0.173"WC
MINFIRE 0.004''WC 0.002''WC MIN
FIRE
‐0.015"WC ‐0.015"WC ‐0.015"WC ‐0.015"WC
NG'typecombustibility LP'combustibility
Manifoldpressure
FTCW199
Manifoldpressure
FTCW140
4.13 High Altitude Installations. 2,000’ to 10,000’
# Altitude of Installation
0 0~1999 ft (0~609 m)
1 2,000~4,499 ft (610~1,645 m)
2 4,500~7,699 ft (1,646~2,346 m)
4 7,700~10,000 ft (2,347~3,048 m)
1. With the Power turned OFF, press the 'Modes
button' for 5 seconds to get into the Installer
Parameters Mode.
2. Turn the dial (E) until ‘28:HA’ appears.
3. Press the dial (E).
4. Set the high altitude value by turning the dial.
Refer to table.
5. Press the dial again (E) to save the setting.
6. Press the ‘Modes button’ for one second, to
Save the number and to go back to initial status.
The FT is shipped with a default factory setting for installation at an altitude of 0 to 2000’ (approx). For
maximum e󰀩ciencies at higher altitudes (2,000’ to 10,000’), the FT does have an adjustment in the
Installer Parameters Mode.
Follow these instructions if your installation is at 2,000’ - 10,000’.
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Adjusting Combustion (continued)