Siemens RDG20 KN Series User Manual

Technical data
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Outputs (RDG20..)
Damper control (RDG204KN):
DC (U1)
On/Off (Q3/Y4)
SELV DC 0...10 V, ±1 mA
See Qx and Y4
Control outputs
Y1, Y2, Y3, Y4-N
RDG20..KN
RDG20..T
Yx power limitation
Solid state (triacs)
AC 24 V or AC 230 V (linked to power supply)
AC 230 V
8 mA...1 A
3 A fast microfuse, cannot be exchanged
Power supply (RDG26..)
Operating voltage (G-G0)
DC 24 V: Make sure to connect G to + and G0 to -
AC 24 V ±20 %
DC 24 V ±2 V
Frequency
50/60 Hz
Power consumption
4 VA @ AC 24 V
Power reserve clock during power failure (RDG26..T)
Min. 20 h
No internal fuse!
External preliminary protection with max. C 10 A circuit breaker required for all cases.
Outputs (RDG26..)
Fan control Q1/Q2/Q3/L–N
AC 24…230 V / DC 24 V
Use for 3-speed fan control
Rating min, max resistive (inductive)
AC 24…230 V: 5 mA…5 (4) A
DC 24 V: 3 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, for additional fans, one relay for each speed.
Use for actuator control (Q1, Q2)
● Q1 - rating min., max. resistive/inductive
● Q2 - rating min., max. resistive/inductive
● Max total load current Q1+Q2
5 mA...1 A
5 mA...5 (4) 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
No internal fuse!
External preliminary protection with max. C 10 A circuit breaker required for all cases.
DC 0...10 V fan control (Y50-M)
SELV DC 0...10 V, max. ±5 mA
Actuator control (Y10-G0/Y20-G0/Y30-G0 (G))
SELV DC 0...10 V, max. ±1 mA

Siemens RDG20 KN Series Specifications

General

Brand	Siemens
Model	RDG20 KN Series
Category	Thermostat
Language	English