27
E
7. Electrical work
7.6. System control
s
Remove all of the CN 40 connectors from the indoor controller
boards of the slave units.
s
Then, set the unit addresses of each unit. (Those addresses are
also serving as a part of the sequential starting timer).
Setting unit address with SW2 switch
1:ON
4:ON
(1 second-ON)
(8 seconds-ON)
2:ON
5:ON
(2 second-ON)
(16 seconds-ON)
3:ON
6:ON
(4 second-ON)
(32 seconds-ON)
s
According to the combination of switch settings, up to 50 units
can be started sequentially at one second intervals between 1
and 50 seconds.
G
SW2: All switches are set to OFF at the time the units are shipped from the
factory.
H
CN40: Should be removed from all units other than Unit No.0 (master unit).
7.7. Switch setting for High Ceiling or at
the Time of Changing the Number Air
Outlets
In this unit, the volume and speed of airflow can be adjusted by setting the
switches (SWA and SWB) on the indoor controller board. According the
condtions of the installation location, select the desired one among the
settings given in the following table.
Note 1) Be sure to execute the setting, otherwise the airflow may not reach
the desirable point or other problems may occur.
Note 2) Switch setting is required for other cases than enclosed in rec-
tangle. As for the layout of the switches. refer to the previous sec-
tion.
Note 3) In case of setting SWB, be sure to confirm that the setting matches
with the numbers of airoutlet on the grilles.
• Setting according to the ceiling height and numbers of air outlets (m)
SWA
1
2
3
SWB
Silent
Standard
High ceiling
4
4 direction
2.4
2.7
3.0
3
3 direction
2.7
3.0
3.3
SWA:
For high ceiling (Set at standard position when ex-factory.) Set
according to the ceiling height of the room where the unit is to be
installed.
SWB:
Setting of air outlet (Set in four directions when ex-factory)
Set according to the numbers of air outlets on the grilles.
SWC:
For options. (Set at standard when ex-factory) Set this switch op-
tionally in case of incorporating the optional high efficiency filter
element (filter casement)
ON 1
2 3 4 5 6
ON
1
2
3 4 5 6
ON
1 2
3
4 5 6
ON
1 2 3 4 5
6
ON
1 2 3 4
5
6
ON
1 2 3
4
5 6
CN40
SWC
SWB
SWA
1
6
ON
2
3
4
5
SW2
H
G
SWC
SWB
SWA
Содержание 2.5KKC
Страница 35: ......
