Memmert ULE 800 - Main Switch Module and Fresh Air Control; Module Components and Functions; Fresh Air Control Operation

set
°
Ctemp
hdelay
h hold
0I
p
ower heat
fresh air
0
1
2
3
4
5
6
alarm set
UE/BE 200-800, SE 200-400, ULE/SLE 400-800
7
4 Main switch module with fresh air control
The main switch module contains:
 main switch to select the working mode
 three signal lamps for display of the unit status
 slide knob for fresh air control
power
0
alarm
I
power heat
fresh air
0
1
2
3
4
5
6

Main switch in position 0:
unit is shut down

Main switch in position I:
continuous operation
operation from PC with „CELSIUS fOR WINDOWS

“

Main switch in position :
programmed operation (offline operation)
The previous setpoint is indicated briefly on the
Controller Display after switching on.
Green:
ready for operation
Red:
fault indicator
Yellow:
unit is heating
0
1
2
3
4
5
6
fresh air
Flap closed: virtually no through ventilation.
Intermediate positions: the air in the camber is renewed to a
limited extend.
Maximum fresh air ventilation, but no complete change of air
within the chamber (in units with an air turbine by max. rotation
speed).