User Manual

12
Design and Function
► Digitalised electronic CO
2
control with automatic zero position, NDIR measuring system
with self-diagnosis system and acoustic error display, air pressure compensation
► Language settings (see page 46 )
► Alphanumeric text display
► Integrated week time switch with grup function (e.g. each working day) (see page 33 )
► Retracting push-turn control for simple operation of appliance (see page 28 )
► Two separate Pt100 temperature sensors DIN Class A in a 4-wire circuit for control and
monitoring
► Digital monitoring control for overtemperature, undertemperature and automatic
setpoint following (ASF) (see page 50 )
► Mechanical temperature limiter (TB protection class 1, see page 47 )
► Monitoring relay to switch off heater in case of error
► Optical alarm display
► Acoustic signal messages if temperature or CO
2
limits are crossed, when door is open and
if gas bottle is empty (see page 40 )
► Calibration of temperature, humidity, CO
2
and O
2
possible on the device without a sepa-
rate PC (see from page 53 )
2.3.2 Optionally available additional modules
Comfort module:
► Two gas connections with quick release connectors (see page 13 )
► Automatic switch-over of gas bottles
Hygiene module
► Electro-polished, seamless laser-welded chamber
Communication module
► Logging option of temperature, CO2 and relative humidity via computer/laptop
► Internal log memory with 1024 kB as ring memory for all setpoint and actual values, errors
and settings in real time and with date, logging approx. 3 months at 1 minute storage
interval (see page 62 )
► Parallel printer port (PCL3-compatible) for printing out log data (see page 13 and page 45 )
► optionally USB, Ethernet, RS-232 or RS-485 interface (see from page 58 )
CO
2
module
► Extended adjustment range from 0 to 20 %
► 3-point calibration (5 %, 10 %, 15 % CO
2
)
O
2
module
► Control of oxygen concentration through the introduction of nitrogen (N
2
); adjustment
range 1 % to 20 % O
2
(not in combination with Comfort or Premium module)
Premium module
► Includes comfort, hygiene, communication and CO
2
modules
Humidity module
► Active microprocessor humidification and dehumidification control (40-97 % rh)