7 Test run setting
¶ After installation, check the output state of the weekly
timer with the “FORCED OPR.” switch (OFF to ON)
located on the rear side of its PCB. After confirming
normal operation, turn the “FORCED OPR.” switch
back to OFF without fail.
7 Memory back up function for power failure
compensation
¶ This weekly timer keeps the settings of operating
buttons memorized; so that after a power failure the
operation can be restarted in the same set state by
pressing the PROGRAM button.
¶ Using the “Back Up”
After installation, confirm that the BAT.BKUP switch
on the rear side of the weekly timer’s PCB is ON.
7 Display at power ON
¶ When the power is turned ON, the weekly timer
displays the following.
Su Mo Tu We Th Fr Sa
PROGRAM ERROR
OFFON
PROGRAM 1
PROGRAM 2
PROGRAM 3
CLOCK
Su Mo Tu We Th Fr Sa
PROGRAM ERROR
OFFON
PROGRAM 1
PROGRAM 2
PROGRAM 3
CLOCK
0805_M_I
After 5 sec.
Shows "Su"
No display
Shows the time
elapsed after
power ON
At power ON
ON
OFF
FORCED OPR.
switch
0175_M_I
7 Wiring diagram
(for wiring, always use the supplied wires)
¶ Layout
The weekly timer and remote controller may be
located, either one on the left or right sides.
¶ Wiring procedure
Do the wiring according to the following procedure.
1 Loosen the retaining screw of the lead wire of the
weekly timer, remove the collar, and connect the to
the timer terminal (4P connector) of weekly timer.
Place the supplied connection wiring into the groove
neatly, and then refasten the collar.
2 Pass the supplied connection wiring through the lead-
wire drawing-out port on the bottom case of weekly
timer, then run it behind the wall, and connect it to the
timer terminal (4P terminal) of the remote controller.
(Use the supplied collar for fastening the wiring of
remote controller).
0804_M_I
Lead wire
drawing
out port
<Weekly timer> <Remote controller>
Connection wiring (supplied)
To weekly
timer
To remote
controller
Connector
Collar
To indoor unit
<Remote controller>
0173_M_I
<Weekly timer>
Timer terminal
Weekly
timer
Remote
controller
or
System
controller
Connection wiring (supplied)
0806_M_I
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
Timer terminal
2. Optional Controller (weekly timer)
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