Increasing The Fan Speed - Sanyo W-3WAY ECO-i 85464369098000 Installation Instructions Manual

CAUTION
(4) When the check of drainage is complete, open the check pin (CHK)
and remount the insulator and drain cap onto the drain inspection port.

3-24. Increasing the Fan Speed

If external static pressure is too great (due to long extension of ducts, for
example), the air flow volume may drop too low at each air outlet. This problem
may be solved by increasing the fan speed using the following procedure:
(1) Remove 4 screws on the electrical component box and
remove the cover plate.
(2) Disconnect the fan motor sockets in the box.
(3) Take out the booster cable (sockets at both ends)
clamped in the box.
(4) Securely connect the booster cable sockets between the
disconnected fan motor sockets in step 2 as shown in
Fig. 3-98.
(5) Place the cable neatly in the box and reinstall the cover
plate.
Booster cable
Fan
motor
Fan motor socket
(At shipment)
How to read the diagram
The vertical axis is the external static pressure (in. WG)
while the horizontal axis represents the air flow (CFM).
The characteristic curves for "HT," "H," "M" and "L" fan
speed control are shown. The nameplate values are
shown based on the "H" air flow. For the 24 type, the air
flow is 635 CFM, while the external static pressure is
0.20 in. WG at "H" position. If external static pressure is
too great (due to long extension of ducts, for example),
the air flow volume may drop too low at each air out-
let. This problem may be solved by increasing the fan
speed as explained above.
W-3WAY_ECO-i_US.indd 51 W-3WAY_ECO-i_US.indd 51
Be careful since the fan will start when you
short the pin on the indoor control board.
Electrical component box
Booster cable
(Booster cable installed)
Fig. 3-98
Indoor Fan Performance
7, 12 Type
(in. WG)
0.60
0.40
HT
0.20
H
M
L
0
177 353
Air Flow (CFM)
24 Type
(in. WG)
0.60
0.40
HT
H
0.20
M
L
0
353 706
Air Flow (CFM)
HT: Using the booster cable
NOTE
H: At shipment
Fig. 3-99
51
Power supply outlet
Inter-unit control wiring
Fig. 3-97
18 Type
(in. WG)
0.60
0.40
0.20
HT
H
M
L
0
353 530
Air Flow (CFM)
36 Type
(in. WG)
0.60
HT
0.40
H
0.20
M
L
0
706 1059
Air Flow (CFM)
2008/02/07 10:56:00 2008/02/07 10:56:00
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