33
5 - ELECTRICAL CONNECTIONS
SHIELDED CABLE
•
Pair of twisted and shielded conductors
• Conductor section 0,22 mm
2
…0,35mm
2
• Nominal capacity between conductors < 50 pf/m
• Typical impedance 120 Ω
• Recommended cable Belden 3105A or others with
equal properties.
It allows to temporarily limit the electrical capacity absorbed by
the unit according to an ext. signal 0 - 10V
5.22 DEMAN LIMIT - performed by the customer
Configuration paramenters *
7
Demand Limit enabling
166
demand limit reaction time
167
Type of signal for the DL 0=AI, 1=From serial
5.23 EXTERNAL PUMP - performed by the customer
XC1 main control module terminal block
XC2 main control module terminal block
KMP1 pump contactor (Customer supplied)
FR1 thermal relay (Customer supplied)
5.24 STORAGE TANK - performed by the customer
XC2 main control module terminal block
XC2 main control module terminal block
BT6 storage tank temperature probe (Customer supplied)
5.25 LOCAL USER INTERFACE LOCAL
AP1 control module
AP10 unit interface
5.24 MODBUS
AP1 control module
AP5 RS485 - optional
* Parameters accessible through the installer password 115).
The access by pwd is reserved to qualified personnel;
The parameters changes may cause malfunctions.
Shielded cable with twisted conductor
RS485 module installed on the main board
B14
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