Sauter Components RDT 300 F001, User Manual

Page: 32 / 64

2 - 28 Overview of models
7000928003 R4
Sauter Components
Description of functions: RDT 300
Control model 6
Installation:
– four-pipe installation, heating and cooling
Features:
– PI controller for heating and cascade controller for cooling, each with 2 setpoints per controller
– free PI controller, e.g. for dehumidification
– change-over output for switchover or signalling
– outdoor temperature averaged and damped, can be switched off
– flow temperature for heating controlled by outdoor temperature, based on heating curve
– flow temperature for cooling with ground temperature input, corresponds to cascade control
– operating mode changeover: internal or via external system remote control, off mode with frost protection
– flooring function as per DIN 4725 part 4
– valve anti-jamming function
– pump blocking protection
– active dewpoint prevention using dewpoint controller (limiter), internal dewpoint calculation, optional
active dewpoint input
– change-over signal derived:
from outdoor temperature or
from averaged outdoor temperature or
time-limited as a function of reference and outdoor temperature
– shift output can be parameterised, e.g. to room controllers
– week clock with automatic summer/winter time switchover