Siemens LMV51.100B2 - Operating Mode 1 (Extlc X5-03)

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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 6 Temperature or pressure controller (internal load controller LC) 13.08.2004
External load controller.
In this operating mode, an external load controller (e.g. RWF40...) is used. The internal
control algorithm is not active.
The internal temperature limiter function can be activated.
The external load controller must have 3 contact outputs which - as shown below -
must be connected to the LMV5... basic unit.
External
load controller
Terminal
Terminal
Terminal
Basic unit LMV51...
7550b07e/0704
ON / OFF
or
stage 1
OPEN
or
stage 2
CLOSED
or
stage 3
Evaluation
contact checkback
network
Demand for heat BC (BU)
CLOSED or stage 3 FARC (BU)
ON/OFF
OPEN or stage 2 FARC (BU)
3
2
X5-03
Special case: BACS as control via a contact
External
load controller
Basic unit LMV51...
7550b08e/0704
ON / OFF
or
stage 1
OPEN
or
stage 2
CLOSED
or
stage 3
Evaluation
contact checkback
network
Demand for heat BC (BU)
OPEN or stage 2 FARC (BU)
CLOSED or stage 3 FARC (BU)
Terminal
Terminal
3
2
Terminal
BMS
X5-03
ON/OFF
Operating mode 1
(ExtLC X5-03)