13
Electric connections
FUSE 5x20
1
2
3
4
6
5
9
10
13
11
12
6
3
5 4
2 1
14
s 5SARESOLOPERCOLLEGAMENTOACOD
s 5SETHISWIREFORCONNECTIONTOCODEONLY
s °NgUTILISERQUEPOURLALIAISONAVECCODE
s 6ERWENDEN3IEDIESES'ERËTNURZUM!NSCHLUSS
ANDIE!RT.R
s 'EBRUIKDEZEENKELVOORAANSLUITINGOPCODE
s 5TILICESOLAMENTEPARALACONEXIØNCONCØD
s 5SARESOLOPERCOLLEGAMENTOACOD
s 5SETHISWIREFORCONNECTIONTOCODEONLY
s °NgUTILISERQUEPOURLALIAISONAVECCODE
s 6ERWENDEN3IEDIESES'ERËTNURZUM!NSCHLUSS
ANDIE!RT.R
s 'EBRUIKDEZEENKELVOORAANSLUITINGOPCODE
s 5TILICESOLAMENTEPARALACONEXIØNCONCØD
7
8
Raumthermostat
(Potenzialfreier Kontakt)
Sonde d’ambiance
(Contact sec)
Termostato de ambiente
(Contacto sin potencial)
Ruimtesensor
(Schoon contact)
Termostato ambiente
(Contatto pulito)
Room thermostat
(Volt free connection)
* This connection may not be available
** To be wired during installation
(Room thermostat not supplied)
(potential-free
line)
MAX 30 m
6
ON
Dip-switch 6 configuration
If the regulator is equipped with the “HIU enabling” cable
(refer to line 14 in the above table), dip-switch 6 must be
set to OFF
Vice versa, if this connection is absent, the dip-switch
must be set to ON.
6
ON
SA
TK20103HE
SA
TK20203HE
SA
TK20303
SA
TK20305
SA
TK20403HE
1
DHW temperature probe
x x x x
2
DHW priority flow meter
x x x x
3
Flow temp. compensation return probe
x x
4
DHW production valve actuator
x x x x
5
Thermal safety thermostat
x
6
Thermal safety valve
x
7
Heating flow temperature probe
x x
8
Heating valve actuator
x x x x
9
Earth
x x x x
10
Pump
x x
x
11
Electric supply 230V (ac)**
x x x x
12
Room thermostat**
x x x x
13
Fuse
x x x x
14
HIU enabling
*
x x x
N.B.:
The pump cable connector is polarised. Insert the connector correctly and
do not attempt to force it in the wrong position.
