Siemens RDG20 KN Series User Manual

Technical data
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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.
Power supply (RDG20..T)
Operating voltage (L-N)
AC 230 V +10/-15 %
Frequency
50/60 Hz
Power consumption
7 VA @ AC 230 V
Power reserve clock during power failure
Min. 20 h
● No internal fuse!
External preliminary protection
with max. C 10 A circuit breaker required in all cases.
Outputs (RDG20..)
Fan control Q1, Q2, Q3 – N
RDG20..KN: AC 24 V or AC 230 V (linked to power
supply)
RDG20..T: AC 230 V
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
5 mA...1 A
5 mA...1 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

Siemens RDG20 KN Series Specifications

General

Brand	Siemens
Model	RDG20 KN Series
Category	Thermostat
Language	English