Rehau NEA HCT 24 V User Instructions And Quick Installation Manual page 41

Nea HCT wiring
For detection of condensation at critical
points of the hydraulic system in case
230 V AC / 0,2A
Resistive Load
24 V AC / 1A
Resistive Load
HCT * HCT *
230 V 24 V
N L2
L L1
CO CO
HCT * HCT *
230 V 24 V
* Room thermostat Nea HCT 230 V and 24 V are separate models
Optional External Time Switch
Max. 5 Thermal Actuators
Optional External Sensor
Not Required
Optional Cooling Input
of cooling, the installation of dew point
monitors is recommended
230 V AC
L N
24 V AC
L1 L2
L/L1 N/L2
External time switch (Phase balance)
Load (Thermal Actuators)
N Neutral
L Phase
Remote sensor
Only 230 V version:The external sensor shall
meet the requirements of protection class II.
Sensor cable H03VV-F for the installation in duct
or H05VV-F without duct.
CO
Change over for cooling mode (Phase balance)
DE
EN
CZ
ES
FR
GR
HU
IT
NL
PL
RO
RS
RU
SE
TR
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