Ambirad SmartCom 3 Manuale - Pagina 8
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NETWORK. Master-slave (Network)
communication is by shielded
twisted pair cable, RS485
compatible such as Belden 9841.
Maximum overall system length of
1650ft Connect screen to C0.
NOTE: Diagram shows a master
and ONE slave configuration**.
Wire further slaves in parallel.
GND
L2
L1 (HOT)
Modulation
Damper
(n.c.)
(n.c.)
REMOTE SWITCH INPUTS should
be connected by 18 Awg cable.
Max length is 325ft.
Low voltage switching inputs to be
normally open (closed circuit to
enable).
Connect to B0 & B1 for remote ON
(ie BMS time control).
REMOTE SENSOR(s) may be
placed at a max distance of 325ft
from the control unit, using shielded
18 Awg cable.
Wiring should be kept separate
from mains wiring to minimize noise
pick up. Set within Engineers
functions for any remote sensors.
GND
L2
L1 (HOT)
Modulation
Damper
(n.c.)
(n.c.)
IMPORTANT:
Cable A is only required if the24VAC
supply to the panel DOES NOT originate
from the secondary of an isolating transformer.
Burners
Zone B
SmartCom Mulitizone
(Slave 1)
41
40
7
8
R
W1
C
S-0755
Relay
G
S-0700
Burners
Zone A
SmartCom Mulitizone
(Master)
41
40
7
8
R
W1
C
S-0755
Relay
G
S-0700
9
25
14
5
6
1/L 2/N 10
LIVE
S/R0 S/R1 D0 D1 O0 O1 B1 B0 B2 C2 C0 C1 66 64 20
NEUT
C
Black Bulb
Black Bulb
Sensor
Sensor
40VA
L2
120V 60Hz 1 Ph
Trans
20 amp Supply
L1
(where applicable)
GND
Relay
L2
L1
Cable A
(HOT)
9
25
14
5
6
1/L 2/N 10
LIVE
S/R0 S/R1 D0 D1 O0 O1 B1 B0 B2 C2 C0 C1 66 64 20
NEUT
Black Bulb
Black Bulb
C
Sensor
Sensor
40VA
L2
120V 60Hz 1 Ph
Trans
20 amp Supply
L1
(where applicable)
GND
Relay
L2
L1
Cable A
(HOT)
To other slave
controllers
Outside
Sensor
eg
E.M.S.
Outside
To other slave
Sensor
controllers
eg
E.M.S.
Drawing No. :
900454 D R2 USA