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Hitachi PC-ALHP1 Installation And Operation Manual page 19

Wireless receiver kit
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Sending commands from controller
7 SENDING COMMANDS FROM CONTROLLER
The operation commands are sent by pressing the required
operation switch by facing the transmitter of the wireless re-
mote control switch toward the receiver of the indoor unit.
When commands are sent from the wireless remote control
switch, it should face vertically and be as close as possible to
the receiver kit. The capable distance for transmitting will get
shorter in case that the transmitting angle is not vertical to the
receiver or an electronic type light is used in the room, etc.
The wireless remote control switch has directivity against the
receiver. The distance for transmitting depends on the ceiling
height. Refer to the table below about the distance. The dis-
tance may differ depending on the building structure. Control
the wireless remote control switch within the distance shown
in the table below.
The distance for transmitting will get shorter due to battery
consumption. In this case, replace the battery.
7.1 HORIZONTAL DISTANCE LIMIT FOR RECEIVER KIT
Horizontal distance limit for receiver kit (in the case that height of
wireless remote control from floor is 1 m):
Height of indoor unit
Horizontal distance
7.2 RECEIPT CONFIRMATION OF RECEIVER KIT
The "
" lamp (yellow) on the receiver part of the indoor unit is
turned ON for an instant when the receiver kit receives the com-
mands from the wireless remote control switch. In the case that
the "
" lamp (yellow) is not turned ON, the controls may not
have reached the receiver. Send the commands again.
11
PMML0314A rev.0 - 09/2013 - P5415315
(m)
2.5
3.0
3.5
3.8
2.5
3.5
4.0
4.0
Direct
line
between
transmitter and receiver
Wireless
control switch
(
) The distance for transmitting differs depending on the ceiling
height. Refer to the table below about the detail.
Indoor unit (air panel)
Wireless
remote
control switch
Instantly turning
ON (yellow)
Receiver
part
Receiver kit (receiver
part)
Capable distance for
transmitting Max. 6m (
remote
Receiver kit
(Model: PC-ALHP1)
Floor
Horizontal distance
Wireless remote
control switch
)
Ceiling
Beep

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