Air Outlet Selection - Mitsubishi Electric PFFY Series Technical & Service Manual

5

AIR OUTLET SELECTION

SW1
ON
OFF
1 2 3 4 5 6 7 8 9 10
SW11
SW12
(10ths DIGIT) (1s DIGIT)
Fig. 4-1
Note:
Be sure to operate with the main power turned off.
Description of operation
Operation
Air flow
Upper and lower air flow
Room temperature and
Conditions set temperature are dif-
ferent. *1
• Be sure to keep the area around the vane of the lower air outlet free of any objects.
*1
Upper air flow
*2
DIP SW3-2 (on indoor controller board) : OFF (Initial Setting)
If the air conditioner has operated for 2hours with upper and lower air flow,
it changes to 8deg for next 30minutes. After 30minutes it changes back to 4deg.
DIP SW3-2 (on indoor controller board) : ON
Remains to be 4deg.
OCH537
CN43
With this function, air comes out simultaneously from the upper and
SWC
lower air outlets so that the room can be cooled or heated effectively.
This function is set using the switch SWC on the address board.
CN82
SW14
SWC
. / .
(BRANCH No.)
SWC
How to set to blow out air from the upper and lower air outlets:
Air blows out automatically from the upper and lower air outlet as
shown in the table below.
How to set to blow out air from the upper air outlet only:
SWC
COOL
Upper air flow Upper air flow only
Room temperature is
close to set temperature
or thermo-off. *1
2deg
4deg
Set the SWC to lower side (" "). (Initial setting)
Set the SWC to upper side ("
DRY
Upper and lower air flow
(Normal condition (in
—
heating))
Upper and lower air flow
(Room temp. – Set temp.)
2
*
15
").
HEAT
Upper air flow
Upper and lower air flow
During defrosting op-
eration, start of opera-
tion, thermo-off
FAN
—