Page 17 of 78
6.2.
LSK
The LSK module is designed for controlling and monitoring
actuators and other devices fitted with MP-Bus interface.
Such actuators may include:
fire shut-off damper actuators (e.g. BF24-TL-T-ST),
line actuators of air dampers in HVAC systems, and slide
valves (e.g. LH24A-MP, NM24A-MP, SM24A-MP, GM24A-MP)
SA actuators for dampers and louvres (e.g. LU24A-MP)
actuator valves for water installations (e.g. LV24A-MP-TPC,
NVC24A-MP-TPC)
actuators for water installation valves (e.g. LR24A-MP)
VAV regulators (e.g. LMV-D3-MP)
air pressure regulators (e.g. VRP-M)
Apart from devices supporting the MP-BUS standard, the LSK
module can also control and monitor analog equipment
items, e.g. fire damper actuators. In order to support such
devices, the LSK must be connected to SKC-A module.
The LSK module is also fitted with four potential-free signal
inputs. These inputs can operate in supervised, NO or NC
modes. For the purpose of receiving alarm signals from the
FAS, an input should be configured in line supervision mode.
The primary method of installation of an LSK module is to
place it in a separate housing in the building, near the
equipment it supervises.
Two versions of LSK modules are available: fitted for 230VAC
or 24VAC/VDC power supply. The difference between these
modules is the non-existence of a transformer in the power
system. Besides, the modules are identical and have the
same properties.
Fig. 5 LSK module
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