Galletti EVO Manual De Instalacion Y Uso página 48

EVO
UTN
Example, valves installed on the left side:
Water probe for
4-pipe system
AIR
For UTN units without valves, for 2-pipe systems, the
water probe must be positioned on the pipe at the
entrance of the exchanger.
For UTN units without valves, for 4-pipe systems, the
water probe must be positioned on the pipe at the
entrance of the exchanger in the heating circuit.
PWN
Example, valves installed on the left side:
For PWN units without valves, for 2-pipe systems,
the water probe must be positioned on the pipe at the
entrance of the exchanger.
For PWN units without valves, for 4-pipe systems,
the water probe must be positioned on the pipe at the
entrance of the exchanger in the heating circuit.
FC66003554
Rev 00
Controller for units
AIR
Water probe for
2-pipe system
System pipe
supplied by the customer
IT IS strictly forbidden to reproduce this manual, even partially
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).
USER MANUAL EN
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