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USER UNIT INSTALLATION
Choose an area to install the controller panel which is easily
accessible to set functions and efficient for room temperature
detection (at least 1.5 m from the floor). Therefore, avoid:
direct sunlight exposure;
direct exposure to hot or cold air currents;
placing obstacles which impair correct temperature
detection (curtains or furniture);
the constant presence of water vapour (kitchens, etc.):
covering or recessing the panel into the wall.
For wall installation of the controller, it is advisable to use
a recessed 503 electrical contact box behind the controller
to house the wires. For installation, follow the instructions
below:
Remove the controller's closing screw (figure 17).
If a 503 enclosed gang box is used, pass the cables
through the slot at the bottom of the controller and use
the relative holes for fastening (figure 17).
Otherwise drill a hole in the wall, for the fastening
holes on the base of the controller, where you wish to
install the controller. Use the base of the controller as
a template to mark the position of the holes. Pass the
cables through the slots on the base and fasten it with
plugs onto the previously drilled wall (figure 18).
Connect the clamp to the display board.
Close the controller back up using the closing screw.
The connection between the panel and the controller and
the I/O board must be set up using the 2-clamp connectors
for conveyed waves installed on both devices (see electrical
diagram). With the I/O board, there are 2 connectors to set
up the connection: it makes no difference which connector is
used. It is necessary to use a data cable for networks with a
pair of twisted conductors and shielding. It is also necessary
to connect the shielding conductor to the clamp (-) on the
user side and on the I/O board (figure 23).
GB
23
Controller for units
OPERATION MANUAL
IT IS strictly forbidden to reproduce this manual, even partially
ON-BOARD I/O BOARD INSTALLATION
2X1 - ESTRO - UTN
Install the I/O board on 2X1, ESTRO and UTN units
using the relative clamping bracket and the supplied
9.5 mm screws (figure 19 - 20 - 21);
Screw the 3-way terminal board onto the bracket using
the supplied 25 mm screws;
Install the bracket onto the side of the unit that is
opposite the water infeed/outfeed manifolds;
Set up the electrical connections as illustrated in the
electrical diagram (figure 23); use the cable with a
1.5 mm
section to connect the unit terminal board
2
(CN) to the board.
PWN
On the PWN unit, install the I/O board directly onto the
electrical connections box using the supplied 9.5 mm
screws (figure 22).
Set up the electrical connections as illustrated in the
electrical diagram (figure 23); use the cable with a
1.5 mm
section to connect the unit terminal board
2
(CN) to the board.
EVO
FC66003554
Rev 01
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