Ambirad Smartcom 3 Manual page 13

Isolator
End Vent
Burner
Isolator
End Vent
Module
Isolator
To 'Mains In' on
End Vent Burner
In-line Burner
Isolator
2nd Branch Zone 1
In-line Burner
1st Branch Zone 1
In-line Burner
Isolator
End Vent
Burner
Fan Centre
Relay
115V 60Hz
Mains Supply
End Vent
Heater
Module
Relay
In-line Burner
Isolator
Tail Pipe
Sensor
Zone A
18 Awg
Shielded
Cable
Outside Air
Sensor
(optional)
SmartCom³
no.1 'MASTER'
(SC3-MZ)
Isolator
End Vent
Burner
Isolator
Branch Zone 2
In-line Burner
Isolator
115V 60Hz
Mains Supply
SmartCom³ no.2
'SLAVE' (SC3-MZ)
1 phase
115V Pump
Shielded pair Beldon
Fan Switch
End Vent
Module
Sensor
Zone 2
18 Awg
Shielded
Cable
Networking Cable
9841 or equiv