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Maintenance and service
37
To select fan speed:
B Press ON/OFF button into OFF.
B Press and hold "Program" button and press
ON/OFF button to turn appliance ON.
Fig. 59
B As soon as '188' is displayed, release "Program"
button , and the display should read P2.
B Press or to choose the fan speed suitable
with your installation, see Table 21.
B Press and hold (± 5 sec.) “Program” button until
the display flashes, then the selected value is
memorized.
Mode
Altitude
(above sea
level)
Vent
terminal
Pipe
length
1)
1) Full equivalent length (inlet + outlet piping + fittings)
Fan
speed
“P2”
0 - 2000 ft
(0 - 610 m)
Twin
system
3 - 32 ft 6
33 - 52 ft 7
2000 - 4500 ft
(610 - 1372 m)
Twin
system
3 - 32 ft 7
33 - 52 ft 7
4500 - 8000 ft
(1372 - 2439 m)
Twin
system
3 - 32 ft 8
33 - 52 ft 8
Table 21 Fan speed adjustment
i
Do not set P2 to greater then 8.
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