Electrical installer
26
4
panel terminal block cover plate.
4. Run the cables through the appropriate holes at
the rear of the appliance (Figure 4.2
p. 26).
5. Identify the appropriate connection terminals.
6. Make the connections.
7. Replace the terminal block cover plate, securing it
with its screws, and refit the front panel.
Figure 4.1
Access to AY terminal block
A Electrical panel
B
Terminal block
C
Plate
B
A
C
Figure 4.2
Cable glands position
A Detail of cable glands position
A
4.3
ELECTRICAL POWER SUPPLY
Provide (by the installer) a protected single phase line
(230 V 1-N 50 Hz) with:
▶
1 three-pole cable type FG7(O)R 3Gx1,5
▶
1 two-pole switch with 2 2 A type T fuses, (GS) or 1 4 A
magnetothermic breaker.
The switches must also provide disconnect capa-
bility, with min contact opening 3 mm.
How to connect the power supply
To connect the three-pole power supply cable
(Figure 4.3
1. Access the electrical board of the appliance ac-
cording to the Procedure 4.2
2. Connect the three wires to the terminal block in
the electrical panel on the appliance.
3. Provide the earth lead-in wire longer than live ones
(last to be torn in the event of accidental pulling).
Figure 4.3
Power supply connection
L
Phase
N Neutral
Components NOT
SUPPLIED:
GS Two-pole switch
L
N
10
0
Ta
Ta
L
N
230V - 50 Hz
GS
4.4
ADJUSTMENT AND CONTROL
4.4.1
Control systems
Two separate control systems are provided, each with
specific features, components and diagrams (Figures
▶
DDC control (with CAN bus connection).
▶
External request.
4.4.2
CAN bus communication network
The CAN bus communication network, implemented with
the cable of the same name, makes it possible to connect
and remotely control one or more Robur appliances with
the DDC or CCP/CCI control devices.
It entails a certain number of serial nodes, distinguished
in:
▶
intermediate nodes, in variable number
▶
terminal nodes, always and only two (beginning and
end)
Each component of the Robur system, appliance (GAHP,
GA, AY, ...) or control device (DDC, RB100, RB200, ...), corre-
sponds to a node, connected to two more elements (if it
is an intermediate node) or to just one other element (if it
is a terminal node) through two/one CAN bus cable sec-
tion/s, forming an open linear communication network
(never star- or loop-shaped).
4.4.3
CAN bus signal cable
The DDC controller is connected to the appliance through
the CAN bus signal cable, shielded, compliant to Table
p. 27 (admissible types and maximum distances).
For lengths ≤200 m and up to 4 nodes (e.g. 1 DDC + 3 AY),
a simple 3x0,75 mm
2
shielded cable may be used.