4 Individual remote controls
PC-LH3(A/B)
TCGB0106 rev.0 - 12/2014
184
4.4.4.8 Simultaneous operation of multiple indoor units
The multiple indoor units (Max. 16 units) can be started and stopped simultaneously by one controller. Perform this op-
eration only in case that multiple indoor units are installed in a room. The detail for setting method shall be refered to the
installation manual of the indoor unit.
Control example of simultaneous operation of multiple units
Controller
Control cable
between
indoor units
Indoor unit
CAUTION
Do not perform this operation in case that the multiple indoor units are installed in different rooms separately. It may happen that some
indoor units remain unchanged.
Remote control installation for several units
CAUTION
Disconnect all power supplies before carrying out operations such as wiring, rotary switch setting, etc.
When several indoor units (a maximum of 16) are oper-
ating simultaneously with just one remote control (wire-
less), apply the receiver kit for wireless control to the unit
to be operated, and apply the standard panels (without
receiver kit) to the rest of the units (wired control).
If you need to use several receiver panels for wireless
control, a maximum of 2 can be installed.
If 2 receiver panels are used, set them as primary and
secondary panels by following the procedures indicated
below.
Receiver panel
(primary)
Standard panel
Standard panel
Standard panel
with (sub) or
without receiver
Should be standard units
Remote control
NOTE
• It is also possible to combine a remote control and a wireless control with the same group of units.
• The RPK units cannot be connected at the same time as the built-in receiver. If you want to use several RPK units simultaneously
with only one remote control, the PC-ALHZ(F) should be used.
The maximum permitted cable lengths between units shown in the following table must be taken into account:
Cable section 0.3 mm
2
≥ 0.75 mm
2
Cable length 30 m 500 m
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