EN - 20
Additional box terminal block references
Electric heaters
Pre-heats 1 stage: 4 wires
Remote temperature sensor not connected if there is a pre-heating coil
Pre-heats 2 stages: 6 wires
The remote temperature sensor is not connected if there is a pre-heating coil
Machine terminal
block
Additional box connector
Notes
Inlet/Outlet
Xm 18 _ b-1
Xm 7 _ b-1
On/off control
24 VAC
Digital outputs
Xm 18 _ b-2
Xm 7 _ b-2
Xm 18 _ b-5
Xm 7 _ b-5
Electric heater safety thermostat return
Dry contact
Digital inputs
Xm 18 _ b-6
Xm 7 _ b-4
Machine terminal
block
Additional box connector
Notes
Inlet/Outlet
Xm 18 _ b-1
Xm 7 _ b-1
On/off control stage 1
24 VAC
Digital outputs
Xm 18 _ b-2
Xm 7 _ b-2
Xm 18 _ b-3
Xm 7 _ b-3
On/off control stage 2
24 VAC
Xm 18 _ b-4
Xm 7 _ b-2
Xm 18 _ b-5
Xm 7 _ b-5
Electric heater safety thermostat return
Dry contact
Digital inputs
Xm 18 _ b-6
Xm 7 _ b-4
Electric heater safety monitoring
Hydraulic coil valve control
Remote temperature sensor
Electric heater stage 1 control
Electric heater stage 2 control