(3) Fan test operation function
This function is provided to change collectively the mode of all the indoor units connected to the same
system for the fan test operation mode by using switches on the interf
ace P.C. board of the header unit.
<Operation procedure>
[A]
[F. ]
[B]
[
– F]
Power ON
Operation
Operation check
Stop/End
Push the push switch SW4 for 2 seconds or more on the P.C. board.
[Test run] is displayed on the remote controller of
the indoor unit to be operated. Check that
7-segment display [B] on the interface P.C. board
of the header unit changed to [– C]
Match [SW01/SW02/SW03] on the interface P.C.board of the header
unit to [2/5/1]. (7-segment display [A] changes to [F. ].)
Be sure to turn on power of the indoor unit
and then turn on power supplies at outdoor unit side.
Return [SW01/SW02/Sw03] on the interface P.C. board of the header
[2]
[3]
[1]
[4]
unit to [1/1/1].
or push the push switch [SW05] for 2 seconds or more.
NOTE) The test operation ends after 60 minutes and the operation returns to normal status.
Interface P.C. board
%0%0%0%0%0
%0
10
10
10
10
10
10
+%
+%
59 59 59
2
10
0%0%0%
(
(
%0
%0
%0 %0
%0 %0
%0%0 %0
%0%0
59
59
59
59
59
59
59
%0
..
%0
%0
%0
%0
59 59 59
%0
%0
7 7 7 7
7X 7J7X 7J 7E 7E
5*+'.&5*+'.&
5*+'.&
7 7
5*+'.&
SW04
SW01
Rotary switches
7-segment
display [B]
Push switch
7-segment
display [A]
SW02 SW03
SW05 SW06
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