Identifying Indoor Units Installed Side By Side Operation; Simultaneous Operation - Hitachi PC-ALHZF Installations- Und Betriebshandbuch

Identifying indoor units installed side by side operation

9 IDENTIFYING INDOOR UNITS INSTALLED SIDE BY SIDE OPERATION
D A N G E R
Turn OFF the power source completely before performing the dip switch setting for receiver kit. If not, it may cause an elec-
tric shock.
Setting of identifying of indoor units installed side by side
1 Receiver kit setting
Set number 2 pin of the receiver kit dip switch (DSW1) at the
indoor unit B ("Identified" unit) "ON" side.
2 Wireless remote control switch (PC-LH3B)
Set the wireless remote control switch according to its corres-
ponding Installation and Operation Manual.

10 SIMULTANEOUS OPERATION

10.1 INSTALLATION OF RECEIVER KIT
In case of simultaneous operation of multiple (up to 16 ) indoor units by the wireless remote control switch, install the receiver kit only to
the unit to be operated. Other units should be the standard units without the receiver kit. If multiple receiver kits are required to install,
2 receiver kits are available at a maximum.
Indoor unit with receiver kit
(PC-ALHZF)
Wireless remote
control switch
D A N G E R
• Turn OFF the power source completely before perfor-
ming the dip switch setting and electrical wiring work for
receiver kit. If not, it may cause an electric shock.
• Perform securely the electrical wiring work. If the electri-
cal work is not completed, heat generation at the connec-
tion, a fire or an electric shock may occur.
• Make sure that the electrical wires are securely fixed
in order not to apply an external force to the terminal
connections of the wirings. If fixing is not completed, it
may cause heat generation or a fire.
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Standard
indoor unit
Standard indoor units must be installed.
11 PMML0264A rev.1 - 09/2015 - P5416575
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Cancellation of identifying of indoor units installed side by
side
1 Receiver kit setting
Set number 2 pin of the receiver kit dip switch (DSW1) "OFF"
side for cancellation.
2 Wireless remote control switch (PC-LH3B)
Cancel the wireless remote control switch setting according to
its corresponding Installation and Operation Manual
Standard
indoor unit
N O T E
Do not run the connecting cable for receiver kit and the power
source cable (220-240V) in parallel. It may cause malfunction of
receiver kit by noise.
Standard indoor unit or
indoor unit with receiver
kit (PC-ALHZF)
The indoor unit is
available to install
receiver kit.