Connection Of The Thermostat To The Power Supply - Pentair NRG-Temp Manual

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3.3 CONNECTION OF THE THERMOSTAT TO
THE POWER SUPPLY
The thermostat must be connected to 230VAC
according to the circuit diagrams (Figure 6).
Direct connection – e.g. single heating circuit
Pilot wire
Floor
signal
sensor
(France)
NTC
Direct connection – e.g. single heating circuit
10K
Pilot wire
Floor
signal
sensor
(France)
NTC
10K
Figure 6
Connection via contactor – e.g. 3 heating circuits
If you connect multiple heating cables, you must
Floor
Pilot wire
use a contactor (Normally Open) with integrated sensor
signal
(France)
suppression device (Figure 7).
NTC
10K
Connection via contactor – e.g. 3 heating circuits
Floor
Pilot wire
sensor
signal
(France)
NTC
10K
Do not use contactor without interference filter.
Figure 7
Do not use contactor without interference filter.
10
Heating cable
Power supply
230 VAC
230 VAC
Max.13A
L N PE
L
PE
N
Heating cable
Power supply
PE
230 VAC
230 VAC
Max.13A
L N PE
L
PE
FP
N L
N
N L
PE
HEAT
FP
Power supply Power supply to
N
L
N
L
230 VAC heating cables
HEAT
L N L1 L2 L3 N PE
1 3
K1 A2
A1
2 4
Power supply Power supply to
L L
PE
230 VAC heating cables
L N L1 L2 L3 N PE
N N N
1 3
K1 A2
FP
N L K1: contacter
A1
2 4
N
L
with integrated
HEAT
L L
suppression
PE
device
N N N
FP
K1: contacter
N L
N L
with integrated
HEAT
suppression
device
5
6
L
5
6
L