Ir Receiver - Hitachi RPIL-1.0UNE1NH Service Manual

1 . O P T I O N
1 . O P T I O N
3.
IR Receiver (Model：HRBA31NEGH)
1
Important Notice
Please carefully read the Installation Manual supplied with the signal
receiver, and perform installation in accordance with these instructions
properly.
2
Parts Introduction
Install the receiver onto the wall or ceiling near the indoor unit.
Connect it with the indoor unit by the connect wire.It should be used
with the wireless remote controller.
The wireless remote controller can send commands to the wireless
receiver .Name of part is shown as follows:
5 4
6
7
1 Run indicator (Red)
It lights on during operation. It lights off during SLEEP mode.
2 Emergency switch
The filter clean indicator when the switch is pressed. The unit
will stop operation if pressing the button, if pressing for more than
5s, the unit will operate in cooling mode.
3 Timer indicator (Green)
It lights on when timer is in use. It lights off when timer finishes.
4 Filter clean (Yellow)
It lights on when the filter should be cleaned.
5 Defrost indicator (Green)
It lights on during defrosting. It lights off when defrosting is
finished.
6 Buzzer
It rings when the signal from remote controller is received.
7 Infrared receiver
Receives signal from the remote controller.
3
How to Install
1.Selecting the installation location.
Please install it in the ceiling and close to the electronic control
box of indoor unit.
2.Installation.
●
Cut out a hole at the suitable place of the false ceiling with a
diameter of 95mm.
●
Place the connecting wire on the false ceiling.
●
Incert the connecting wire into the indoor unit .
Connect the wires with the indoor PCB.
●
Connect the other terminal with the receiver, details please see
the indoor unit wiring diagram.
●
Adjust the spring of the receiver and install the receiver into
the hole that have punched . After installation, the appearance as
showed in the figure below.
●
Avoid installing it close to the fluorescent lamp.
L I S T
L I S T
3
2
1
Indoor Unit
PCB
The connection of the connecting wire
The Installation of the Receiver
After the Installation is completed
4
Operation
Sending Commands from Controller
The operation commands are sent by pressing the required operation
switch by aiming the transmitter of the controller at the receiver of the
indoor unit.
When the commands are sent correctly, the buzzer on the wireless
receiver goes off once. In case that the buzzer does not go off
although the commands are sent, the commands are not received by
the indoor unit. In such a case, sent the commands again.
Sometimes the buzzer does not be heard in case of the noise.
In some special cases, the indoor unit does not response to the
commands of the wireless remote controller. The buzzer beeps 3
times.
Signal Receiver
The figures in this manual are based on the external view of a standard model.
Consequently, the shape may differ from that of the air conditioner you have selected.
It can be set or canceled by professional after-sale staff.
*
15
The False Ceiling Signal Receiver
Max. permission distance up to 8m.
Virtual Line between
Transmitter and Receiver
Wireless Remote Controller
Along the arrow
direction into the
ceiling that with
a hole punched
The False Ceiling