Siemens RDG2 KN Series Basic Documentation

Connection
Connection terminals
6
A6V11545892_en--_c
155 | 180
6 Connection
6.1 Connection terminals
RDG20..KN
L, N
Operating voltage AC 230 V / AC 24 V
X1, X2
Multifunctional input for temperature sensor (NTC 3k or LG-Ni1000)
or potential-free switch (function can be selected via parameter)
U1
Same as multifunctional inputs X1, X2
M
Measuring neutral for sensors and switches
CE+, CE-
KNX Bus + and – terminals
Q1
Control output for fan speed I AC 230 V / AC 24 V
Q2
Control output for fan speed II AC 230 V / AC 24 V
Q3
Control output for fan speed III AC 230 V / AC 24 V
Q1…Q3
Also for special functions AC 230 V / AC 24 V
Y1…Y4
Control outputs "Valve" AC 230 V or AC 24 V (Normally open triac,
for normally closed valves), output for electric heater via external
relay
Y50
Control output "Fan" DC 0…10 V
RDG26..KN
G, G0
Operating voltage AC 24 V / DC 24 V
L1
Feed for relays AC 24…230 V
X1, X2
Multifunctional input for temperature sensor (NTC 3k or LG-Ni1000)
or potential-free switch (function can be selected via parameter)
U1
Selectable input/output function:
Multifunctional input for temperature sensor (NTC 3k or LG-Ni1000)
or potential-free switch (function can be selected via parameter)
Multifunctional output for 2
nd
stage cooling in 4-pipe/2-stage
application
M
Measuring neutral for sensors and switches
CE+, CE-
KNX bus + and – terminals
Q1 (L1)
Control output for fan speed I AC 230 V / AC 24 V
Q2 (L1)
Control output for fan speed II AC 230 V / AC 24 V
Q3 (L1)
Control output for fan speed III AC 230 V / AC 24 V
Q1…Q3
(L1)
For special functions AC 24…230 V
Y10, Y20,
Y30
Control outputs "Valve" DC 0…10 V
Y50
Control output "Fan" DC 0…10 V

Siemens RDG2 KN Series Specifications

General

Brand	Siemens
Model	RDG2 KN Series
Category	Thermostat
Language	English