Data Sheet for Product

3
Siemens
A6V12048672_en--_c
Smart Infrastructure
2021-05-17
● User and parameter settings can be retained in case of power failure and operating
mode can be returned to the previous operating mode, Comfort or Protection (depends
on P27)
● Reload factory settings for commissioning and control parameters
● 7-day time program (can be disabled via P77): 8 programmable timers to switch over be-
tween Comfort and Economy
● Infrared remote control
Type summary
Product
no.
Stock no.
Operating
voltage
Control outputs
Fan types
Time
pro-
gram
Backlit
LCD
Infrared
receiv-
er
1)
Suitable
conduit
box
Color
On/Off
3-pos
DC 0...10 V
3-speed
DC 0...10 V
RDF660T
S55770-
T434
AC 230 V
✓
✓
-
-
✓
✓
✓
✓
Square or
round
White
1)
Order infrared remote control separately
Ordering
● When ordering, specify both product number/stock number and name: e.g. RDF660T /
S55770-T434 room thermostat
● Order valve actuators and accessories separately
● Order the IRA211 (S55770-T166) infrared remote control separately
Accessories
Description
SSN
Data sheet
Changeover mounting kit (50 pcs / package)
ARG86.3
N3009
Plastic mounting spacer for flush-mounted
thermostats to increase the headroom in the
conduit box by 10 mm
ARG70.3
N3009
Note: Order accessories separately.
Equipment combinations
Type of unit
Product no.
Data sheet
*)
Cable temperature or changeover sensor,
cable length 2.5 m NTC (3 kΩ at 25 °C)
QAH11.1
1840
Room temperature sensor NTC (3 kΩ at
25 °C)
QAA32
1747
Cable temperature sensor cable length
4 m NTC (3 kΩ at 25 °C)
QAP1030/UFH
1854
Condensation monitor
QXA21..
A6V10741072