Pentair Raychem Green Leaf Installation Instructions Manual page 7

Floor
Heating cable
Sensor
PE
NTC
10K
PE
Direct connection - e.g. single heating circuit
* Max 13A for constant wattage cable, Max 10A for self-regulating cables
Floor
Power supply
Sensor
230 VAC
L N
NTC
10K
Connection via contactor - e.g. 3 heating circuits
Do not use contactor without suppression device.
Power supply
230 VAC
230 VAC
Max. 13A*
L N
L
PE
N
Floor
Sensor
NTC
10K
Connection via contactor - e
Power supply
heating cables
L1 L2 L3 N
1 3 5
K1 A2
A1
2 4 6
L L L
PE
N N N
K1: contactor with
integrated
suppression device
Power supply
230 VAC
L N
Do not use contactor without
PE
7