Technical data
Table Of Contents
- 1. About this document
- 2. Summary
- 3. Functions
- 3.1 Temperature control
- 3.2 Operating modes
- 3.3 Room temperature setpoints
- 3.4 Applications overview
- 3.5 Additional functions
- 3.6 Control sequences
- 3.7 Control outputs
- 3.8 Fan control
- 3.9 Multifunctional input, digital input
- 3.10 Handling faults
- 3.11 KNX communications
- 3.11.1 S-mode
- 3.11.2 LTE mode
- 3.11.3 Zone addressing in LTE mode (in conjunction with Synco)
- 3.11.4 Example of heating and cooling demand zone
- 3.11.5 Send heartbeat and receive timeout
- 3.11.6 Startup
- 3.11.7 Heating and cooling demand
- 3.11.8 Fault function on KNX
- 3.11.9 KNX switching groups (RDF301.50, RDF301.50H only)
- 3.12 Communication objects (S-mode)
- 3.13 Communication objects (LTE-mode)
- 3.14 Control parameters
- 4. Handling
- 5. Supported KNX tools
- 6. Connection
- 7. Mechanical design
- 8. Technical data
4. Handling
4.1 Mounting and installation
Mount the room thermostat on the conduit box. Do not mount on a wall in niches or
bookshelves, behind curtains, above or near heat sources, or exposed to direct
solar radiation. Mount about 1.5 m above the floor.
Mounting /
dismounting
• Mount the room thermostat in a clean, dry indoor place without direct airflow
from a heating / cooling device, and not exposed to dripping or splash water.
• RDF301...: In case of limited space in the conduit box, use mounting bracket
ARG70.3 to increase the headroom by 10 mm.
• Before removing the front cover, disconnect the power supply.
Wiring
See Mounting Instructions enclosed with the thermostat.
M3171... [3], M3076.1 [3a]
• Comply with local regulations to wire, protection and earth the thermostat.
• The device has no internal fuse for supply lines to fan and actuators. To avoid
risk of fire and injury due to short-circuits, the AC 230 V mains supply line must
have a circuit breaker with a rated current of no more than 10 A.
• Properly size the cables to the thermostat, fan and valve actuators for
AC 230 V mains voltage.
• Use only valve actuators rated for AC 230 V.
• The wiring cross section used for power supply (L, N), fan (Q1, Q2, Q3,N) and
230 V outputs (Yx -N) must be adapted to the preceding overload protection
elements (10A) under all circumstances. Comply under all circumstances with
local regulations.
• Cables of SELV inputs X1-M/X2-M: Use cables with 230 V insulation, as the
conduit box carries AC 230 V mains voltage.
• Inputs X1-M or X2-M: Several switches (e.g. summer / winter switch) may be
connected in parallel. Consider overall maximum contact sensing current for
switch rating.
• KNX communication cables (input CE+ / CE-): Use cables with 230 V
insulation, as the conduit box carries AC 230 V mains voltage.
• No metal conduits.
• No cables provided with a metal sheath.
• Disconnect from supply before opening the cover.
• When a KNX bus power supply is connected on the line with communicating
thermostats and Synco controller, the internal KNX power supply of the Synco
controllers must be switched off.
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Siemens RDF301, RDF301.50..., RDF600KN Basic documentation CE1P3171en
Building Technologies Handling 2014-05-23