Siemens RDF, Инструкция по применению, Страница: 22 / 31

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RDG and RDF offer an extensive fan control concept with a wide choice of functions and
features. The required options can be selected via the control parameters:
– Fan mode automatic – manual/manual only (P03)
– Fan active in cooling mode only, active in heating mode only, disable (P52)
– Control output for 3-speed/1-speed fan (P53)
– Control output for ECM fan, DC 0...10 V signal (P55…P57) on RDG160
– Fan minimum on time (P59)
– Operation in dead zone for in conjunction with return air sensor or to avoid damage
due to moisture (P60, P61)
– Fan start kick from standstill to overcoming inertia and friction (P58)
– Fan overrun to avoid overtemperatures after the electrical heater turned off (P54)
– Fan start delay by ON/OFF control to avoid cold or warm air (P67)
Note: For universal application fan operation has to be disabled via control parameter (P52)
On communicating thermostats control parameters can be downloaded via
ACS Service Tool.
Note: RDG/RDF requires an external KNX bus power supply if connected via OCI700.
After installing and setting up the thermostat, you can check your configuration by going
to the ”Expert” level and select the diagnostic parameters dxx (d01, d02, …)
Communicating, KNX- compatible thermostats
In connection with Synco 700, the new communicating, KNX-compatible thermostats
operate in LTE mode. The units are tailored also for use for Synco living or for integration
in BACS via S-mode. For detailed information about installation and commissioning of a
KNX system, refer to technical documentation CE1N3127.
Suggestions for energy saving
– Use thermostat with 7-day time program
– Use thermostat with modulating control outputs (e.g. DC 0...10 V or 3-position)
– Use thermostat with ECM fan control (DC 0...10 V)
– Use KNX communicating thermostat
– Activate auto fan function
– Connect external operating mode switchover for central operating mode control
– Connect window contacts to avoid energy losses when windows are open
– Connect keycard contact for switching the unit to Economy mode when rooms
are not occupied
– Define optimum setpoint limitations (heating max. 20 °C, cooling min. 25 °C)
to minimize energy usage
– In application with electrical heater, use function “Electrical heater enable” (P38, P40...)
– Inform enduser about prolonged absence and present function
Fan function
(P03, P52...P62, P67):
Parameter on
communicating
thermostats
Diagnostic parameter TIP
TIP