Operation Manual

–5–
 Names and functions of
indicators and controls on
indoor unit
◆ Display panel
The operating conditions are indicated below.
1 OPERATION (Green)
This lamp goes on during operation.
2 TIMER (Green)
This lamp goes on white the timer reserved.
NOTE
In case of timer setting by wired remote controller,
TIMER lamp does not light.
In case of group control, TIMER lamp goes on header
unit only. (see “6 Limited operation by twin and group
combination”)
3 Preheat / Defrost (Orange)
This lamp lights up when the power is turned on or
right after heating operation starts or during
defrost operation.
CAUTION
• Disagreement in operation mode
When the power is turned on for the first time after
installation,
lamp lights up for approximately 5
minutes for setting of addresses of systems and units.
When the power is turned on the next time,
lamp
lights up for approximately 1 minute.
While the above lamp is on, all the commands from
the remote controller cannot be received. However,
this is not a malfunction or failure.
• When local prohibition is set by the central control
from other equipment, no signal is received even if the
remote controller button is pressed. However, a signal
of START/STOP button is accepted. (An alarm sound
“pi ” arises intermittently five times.)
4 TEMPORARY operation
If you misplace or lose the wireless remote
controller or its batteries are exhausted, push the
button.
• See page 17.
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4
 Outdoor unit
(The design varies depending on the outdoor unit. The following
illustration shows an example.)
Air intake
(Side and rear)
Panel
There is an earth screw,
valves, and electric parts
inside.
Air discharge
Piping panel
Wiring hole
Refrigerant pipe
Fixing leg
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+001111055901_01EN.book Page 5 Saturday, October 8, 2011 10:44 AM