4
ELECTRICAL WIRING
3.2.
ELECTRICAL WIRING FOR MULTIPLE UNITS
This remote control switch can
control sixteen units, as the
maximum.
In case of this modification,
wiring connection and other
works shall be performed
as indicated in the following
procedures.
Two Remote Controls can be
connected in the same unit or
unit groups. The second one
is Subsidiary Remote Control
Switch as indicated below.
Check Chapter 6 for more
information.
A
B
A
B
Remocon
B
Remocon
A
Comunication cable shall be Field Supplied.
It should be used twist
pair cable 2x0.75mm
2
(the max. total length
is 200m).
It can be also used standard
shielded cable 2x0.75mm
2
connecting the shield to
Earth at the electrical box
side (the max. total length
is 200m).
Optional Accessory Cable:
The cables (2x0.75mm
2
twist wire) of different length are prepared as an option, which are fitted
with connectors.
Remote Control Cable (Option)
Cable Ref.
Cable Model
Length (m)
7E790211
PRC-10E1
10
7E790212
PRC-15E1
15
7E790213
PRC-20E1
20
7E790214
PRC-30E1
30
Standard shielded cable: (2x0.75mm²)
Solderless terminal
(X Type 1.25-3X)
(Terminal Board side)
(Remote Control Switch side)
Twist Pair cable: (2x0.75mm²)
Solderless terminal
(X Type 1.25-3X)
(Terminal Board side)
(Remote Control Switch side)
50
100
Max. 16 Indoor Units
Remote
Control
Switch
Electrical Box of Indoor Unit
Electrical Box of Indoor Unit
Remote Control
Switch PC-P1HE
(Subsidiary)
Cable
M3 .5
Screws
M3 .5
Screws
Shielded Twist Pair cable: 1P – bigger than 0.75mm
2
Terminal Board
Terminal Board