User Manual

Features for RDF310.2/MM
- Suitable for 2-pipe heating or cooling
application with manual change over
- Fit on/off valves with SPST
1)
/SPDT
2)
with spring return function
- Selection of automatic or manual
3-speed fan
- Frost protection
Features for RDF300.02
- Suitable for 2-/4-pipe heating or/and
cooling applications
- Manual/automatic heating and
cooling change over
- Automatic and manual 1-/3-speed fan
- Temperature limitation functions
- Two inputs for key card and window
contact as energy saving functions
- Backlight
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 m3/h
- High close off pressure to Δ p
s
= 4 bar
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
External
sensor/switch
RDF310.2/MM
■ ■ ■ ■ ■
RDF300.02
■ ■ ■ ■ ■ ■ ■ ■
Siemens Switzerland Ltd
Building Technologies Division
International Headquarters
Gubelstrasse 22
6301 Zug
Switzerland
Tel. [phone]
© Siemens Switzerland Ltd, 2016 •
BT_0102_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.