User Manual

Overview
Functions
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● Room temperature control via built-in temperature sensor or external room
temperature/return air temperature sensor
● Room relative humidity control via built-in humidity sensor (humidity function
can be disabled.)
● Min./max. humidity control by shifting temperature setpoint and releasing
contact for dehumidifier/humidifier
● Floor heating temperature limitation
● Min. and max. supply air temperature limitation
● Selection of operating modes via operating mode button
● Button lock for all buttons independently (automatically or manually)
● Changeover between heating and cooling mode (automatic via local sensor or
bus, or manually)
● Parameters protected by password (disabled by default)
● Purge function together with 2-port valve
● Valve exercising function to prevent gripping
● Reminder to clean fan filters
● Min. and max. limitation of room temperature setpoint:
– Comfort limitation (min. and max. limitation)
– Energy saving concept (min. and max. limitation separate for heating and
cooling)
● Temporary Comfort mode extension
● Green leaf indication function
● Display of current room temperature or setpoint in ℃, ℉ or both
● Application selection via DIP switches or external commissioning software
(ACS, ETS and Siemens smartphone application PCT Go for Android)
● Parameter download with external commissioning software (ACS, ETS and
Siemens smartphone application PCT Go for Android)
● Reloading factory settings for commissioning and control parameters
● 1-speed, 3-speed or DC 0...10 V fan control on RDG200KN and RDG260KN
(automatic or manual fan)
● Advanced fan control function, e.g. fan kick, fan start delay, selectable fan
operation (enable, disable, depending on heating/cooling mode, or min. and
max. speed setting)
● Fan start depending on fan coil temperature (heating) to avoid cool air while
heating
● Enabling fan output only in the 2
nd
stage (2-pipe/2-stage)
● Switching fan speed from manual to automatic in the dead zone to avoid
energy waste (selectable function)
● Swap function for 2-pipe and 2-stage application by switching the 1
st
stage
heating to 2
nd
stage cooling
● On 2-pipe/2-stage application, limit the number of heating or cooling sequence
to one
● Control of 6-port ball valve for chilled and heated ceiling, DC 0…10 V,
DC 2…10 V and inverted signals DC 10…0 V, DC 10…2 V (RDG260KN)
● Control of 6-port ball valve as changeover (On/Off – open/close signal) and
PICV DC 0…10 V for
– Chilled and heated ceiling/floor (RDG260KN)
– Fan coil application (RDG260KN)
General functions
Setpoints and display
Setting
Fan
Special functions