6 720 608 643
Installation instructions
19
Example
Exhaust
• 7 - 3’ straight sections
• 1 - 1’ straight section
– Total length 22'
• 1 - 90° elbow.
Intake
– Total length 10'
• 1 - 90° elbow.
Example
Adjusting minimum power fan speed P2
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. 25
B As soon as '188' is displayed, release "Program"
button , and the display reads P2.
B Press to enter P2 adjustment. The current set-
ting will appear on the display factory default: 12).
B Press or to choose the fan speed suitable
with your installation, see Table 9.
B Press and hold (± 5 sec.) “Program” button until
the display flashes, then the selected value is
memorized.
Exhaust
Straight section length (feet) 22 x 1 = 22
90° elbows (qty) 1 x 5 = 5
45° elbows (qty) 0 x 3 = 0
Total:
27
Intake
Straight section length (feet) 10 x 1 = 10
90° elbows (qty) 1 x 5 = 5
45° elbows (qty) 0 x 3 = 0
Total: 15
Total equivalent vent length =
42
Table 8 Determining vent length combination
example
i
Total maximum length not to exceed 52 ft
for separate pipes.
Total maximum length not to exceed 36 ft
for concentric terminal.
Mode Pipe Length
1)
1) Full equivalent length (inlet + outlet piping + fittings)
Fan speed
“P2”
for 3 ft up to 19 ft 12
for 20 ft until 46 ft 13
for 47 ft until 52 ft 14
Table 9 Fan speed adjustment
i
Do not set P2 to greater than 14.
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