Siemens RDG2 KN Series Basic Documentation

Technical data
7
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7 Technical data
Power supply (RDG20..KN)
Operating voltage (L-N)
AC 24 V ±20 % or
AC 230 V +10/-15 % (selectable via
slider)
Frequency
50/60 Hz
Power consumption
4 VA @ AC 24 V
7 VA @ AC 230 V
● No internal fuse!
External preliminary protection with max. C 10 A circuit breaker required in all
cases.
● Before switching on power, select the right power supply needed using the
power switch on the rear of the device.
Outputs (RDG20..KN)
Fan control Q1, Q2, Q3 – N
AC 24 V or AC 230 V (linked to power
supply)
Qx rating min., max. resistive (inductive)
5 mA…5 (4) A
No internal fuse!
External preliminary protection with max. C 10 A circuit breaker required for all
cases.
Do not connect 3-speed fans in parallel!
Connect one fan directly, one relay for each speed for additional fans.
Use for actuator control (Q1, Q2)
● Q1 - rating min., max.
resistive/inductive
● Q2 - rating min., max.
resistive/inductive
● Max total load current Q1+Q2+Q3
5 mA...1 A
5 mA...1 A
5 A
Use for external equipment (Q1, Q2,
Q3)
● Rating min., max. resistive/inductive
Qx
● Max total load current Q1+Q2+Q3
5 mA…1 A
2 A
DC 0...10 V fan control; Y50-M
SELV DC 0...10 V, max. ±5 mA
Damper control (RDG204KN):
DC (U1)
On/Off (Q3/Y4)
SELV DC 0...10 V, ±1 mA
See Qx and Y4

Siemens RDG2 KN Series Specifications

General

Brand	Siemens
Model	RDG2 KN Series
Category	Thermostat
Language	English