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REMKO KWE serie 150-180-220-250-300-320-370-440 Manual

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8.2 Unit connection
Proceed as follows to connect:
1. Open the control box covers by removing the
fixing screws and lifting of
f the covers.
2. Feed the voltage-free cable through the
glands into the switch cabinet and clamp the
cable to the strain relief.
3. Then connect the cable in accordance with
the connection diagram.
4. Ensure a correct rotating field.
5. Mount all removed parts.
Fig. 25: Control box cover KWE 250-440
External enabling contact Operation / Standby
In addition to being operated with the controller or
the cable remote control, the unit can be switched
on (normal operation) and switched of
f (Stand-By)
via an external potential-free contact (program-
mable as normally-open or normally-closed).
The controller must be configured if a normally-
open contact is used for the external enable (see
section “External enabling configuration”).
This enable is used for example to realise standstill
times at night or for the activation / deactivation of
a building control system.
General alarm signal (standard equipment)
The connection of a potential-free general alarm
signal, for example, for signalling or for further pro-
cessing to a building control system is possible as
standard equipment. Use the respective connec-
tion diagram for this purpose and pay attention to
the maximum contact loads.
2
1
XU
XU-9
XU-5
XU-4
XU-3
XU-2
XU-11
XU-10
XU-6
Fig. 26: External potential-free contacts
1: Unit
2: User
2-3 = Enable operation / disable (potential-free)
4-5 = External alarm code (max. 230V~, 2A)
Winter pressure controller (accessory)
It serves for the expansion of the operating range
in cooling mode from +15℃ to -15℃. The set con-
sists of crankcase heating and the pressure con-
troller
. Use respective installation instructions for
this purpose.
Crankcase heating compressor (standard /
accessory)
The heating serves for the expansion of the oper-
ating range in cooling mode from +15℃ to -5℃.
For this purpose, use the respective installation
instructions.
Cabled remote control (accessory)
The cable remote control is used, for example, for
the querying, programming or operation of the unit
from a remote location. Use respective installation
instructions for this purpose.
REMKO KWE
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