Sending Commands From Remote Controller - Hitachi PC-ARF Technical Catalogue

4 Individual remote controls
PC-LH3(A/B)

4.4.4.6 Sending commands from remote controller

When operating the controller, face the transmitter towards the receiver of the indoor unit and press the switch for the
required operation.
1 When the commands are sent, the "
2 The indication lamp (yellow) on the receiver part of the indoor unit turns ON for an instant when the indoor unit receives
the commands.
C A U T I O N
• In case that the indication lamp (yellow) does not turn ON although the commands are sent, the commands are not received by the
indoor unit. In such a case, send the commands again.
• The transmitter of the controller has the vertical directivity to the receiver, and the permissible angle for transmitting is within 50º. How-
ever, the capable distance for transmitting gets half when the transmitting angle is 50º, and also get shorter in case that an electronic
type light is used in the room.
N O T E
The above figure shows the case of a 4-way cassette type indoor unit. The figures for other models are partially different.
LCD (Liquid crystal display) indication
When viewed from certain angles the LCD can be difficult to read.
The viewing angle ranges from an optimal of 60º down to 30º, as shown in the diagram on the right.
If the viewing angle is below 30º, the indications not displayed are slightly faded so that makes the indication be hardly
readable. It is the characteristics of this LCD, which is not abnormality.
182
TCGB0106 rev.0 - 12/2014
" indication on the liquid crystal display of the controller flashes once.
Indication lamp (yellow)
turns ON for an instant
TIMER FILTER DEF RUN
EMERGENCY
HEAT COOL
Receiver
Receiver part
Direct line between
transmitter and receiver
Capable distance for
transmiting: Max. 6m
Within approx.50º
(directivity)
Transmiting
PC-LH3A
indication
PC-LH3B
flashes once
30 o
60 o