E/0310/50/34
Function of Extension Card 1b
Compressor Sequencing
If two compressors are configured, these are subject to compressor sequencing, according to the
“first in - first out” principle, i.e. should both compressors be turned on, the compressor which has
been turned on first will be turned off first. Start parameters (menu items 9 and 11) will be changed
internally, not visibly, after each compressor start.
Temperature Limit
The input "Temperature Limit" exists. As soon as a voltage of 24 V is applied to this input, the
cooling is interrupted.
That means for
- CW version: The CW valve closes
- Compressor version: The compressors are switched off.
125 x 70 x 30 mm (4.9" x 2.8" x 1.2")
(24 + 20 % / - 15 %) V AC
X20.24 grounded
4 W
0.4 AT
6-fold DIP switches
3 x triac (4 A, 24 V) for
damper, compressor 2, sequencing
The consumer is connected to 24 V.
8 x 24 V AC
2.7 kOhm input resistance
0°C ... 40°C (32°F ... 104°F)
-10°C ... 60°C (14°F ... 140°F)
8.1 Technical Data Extension Card 1b
Dimensions L x W x H
Power supply
Power consumption
Fuse
Operating elements
Outputs
Inputs
Operating temperature
Storage temperature
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