Air Source Heat Pump Water Heater
25
Figure 10-1 Wired controller installation diagram
Caution
During the following connections, pay special attentions to prevent malfunction
due to electromagnetic interference:
（
1
）
The communications line of the wired controller and the line of the
temperature sensor should be separated from the power cable, and the distance
between them should be greater than 20 cm. Otherwise, the unit may not be able to
communicate properly.
（
2
）
If the unit is installed in a place susceptible to electromagnetic interference,
the communications line of the wired controller and the line of the temperature
sensor must be used. Shielded twisted pair.
10.3 Weatherproof Box Installation
If the wired controller is inevitably to be installed outdoors or in a humid place,
a weatherproof box must be installed for the wired controller, Figure 10-2 shows the
installation diagram of the wired controller for the wired controller. For the installation
procedure and cautions, refer to the wired controller installation method and note the
following issues:
（
1
）
If no socket bottom box is installed inside the wall, wall plugs need to be
mounted on the wall. In this case, use the screws delivered with the unit to screw up
the bottom shell (weatherproof box), rubber cushions (weatherproof box), and the
baseplate of the wired controller in the wall plugs.
（
2
）
Insert the 4-core twisted pair that passes through the hole into the slot on
the wired controller, and buckle the wired controller panel and the wired controller
baseplate together.
No.
1
2
3
4
5
Name
Socket bottom
box installed
inside the wall
Wired
controller
baseplate
Screw
M4x25
Wired
controller
panel
Screw
ST2.2x6.5