Hydrovane Pro - Remote Control; Remote Control for Pressure Changeover; Enabling On-Load Operation

3.0 Additional Functions
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CC1092267A 17
3.8 Remote control
Caution
In this operating mode, the compressor may start
automatically at any time.
Attention
Only potential-free contacts may be connected to
the terminal strip. External voltages will destroy the
HYDROVANE Pro.
The potential-free contacts must not be more than
20 metres away from the terminal strip.
If necessary coupling relays must be fitted in the
control cabinet.
Important: The warnings above are applicable to all the
following items 3.8.1 to 3.8.5 inclusively.
3.8.1 Remote control for pressure
changeover
Sections 3.1.2 and 3.3.2 contain explanations of how to
set the second pressure range including timer
operations.
CUT-OUT POINT
CUT-IN POINT
TARGET PRESSURE
p2 CUT-OUT
p2CUT-IN POINT
p2 TARGET PRESSURE
p2 TIMER CONTROL
Input X:
2nd pressure range
ON-LOAD
Fig. 3 Remote Pressure Changeover.
You can also activate the second pressure range
remotely. This is done using a digital input X (Fig. 3) on
the HYDROVANE Pro (see Section 3.5.1 and circuit
diagram).
In the [OPTIONAL IN-/OUTPUTS] menu you have to
program the inputs using the 2nd PR. RANGE function.
A potential-free contact can now be connected to the
terminal strip of the programmable input. If this contact
is closed, the system changes over to the second
pressure range.
You can also use this contact to take the programmed
timer for the second pressure range out of service.
3.8.2 Enabling on-load operation
The HYDROVANE Pro controller allows the operator to
switch the compressor into off-load from a remote point
through the connection of a potential-free contact. This
function is needed when using an external control for
example.
CUT-OUT POINT
TARGET PRESSURE
p2 CUT-OUT
p2 TARGET PRESSURE
p2 TIMER
CONTROL
INPUT
X:
2nd PR.RANGE
INPUT X:
OPERATE_B1
ON-LOAD
Fig. 4 On-load/Off-load Remote Control
Go to the [OPTIONAL IN-/OUTPUTS] menu where you
must program one input with the OPERATE_B1 function
(Fig. 4). The unit can now be switched to off-load using the
input.