User Manual

Features for RDF510 & RDF530
- RDF510 (2-pipe) & RDF530 (4-pipe) is
for fan coil applications
- Backlight & Keylock
- Fit on/off valves with SPST
1)
/ SPDT
2)
or spring return function
- Selection of automatic or manual
3-speed fan
- Temperature limitation
- Delay off timer
- Power loss setting: return to previous
setting or to remain off in protection
mode
Thermostat selection
Features for SFA21/18
- Spring return
- Robust and ergonomic design
- Position indicator
- High close off pressure to Δ p
s
= 3 bar
Features for SUA21..
- SPST
1)
on/off actuators
- Fast acting operating time
- Operation indicator LED
- High close off pressure to Δ p
s
= 4 bar
1)
SPST – single pole, single throw
2)
SPDT – single pole, double throw
Features for STA23...
- Fail safe operation
- High quality cable
- Modular design different cable length
- High close off pressure to Δ p
s
= 2 bar
Features for V..I46..
- 2-3 port valves for SFA21..., STA23...
and SUA21...
- Lasting valves design
- k
vs
range 2...5 m
3
/h
Application Functionality
Cooling
only
Heating
only
Heating
or cooling
Heating and
cooling
Manual
heating/cooling
changeover
Automatic
heating/cooling
changeover
Manual and
automatic
fan speed
Keylock Delay off timer
RDF510
■ ■ ■ ■ ■ ■ ■
RDF530
■ ■ ■ ■ ■ ■ ■ ■
Siemens Switzerland Ltd
Building Technologies Division
International Headquarters
Gubelstrasse 22
6301 Zug
Switzerland
Tel. [phone]
© Siemens Switzerland Ltd, 2017 •
BT_0103_EN
Subject to changes and errors. The information given
in this document only contains general descriptions
and/or performance features which may not always
specically reect those described, or which may
undergo modication in the course of further
development of the products. The requested
performance features are binding only when they are
expressly agreed upon in the concluded contract.