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Technical Information
U-Match Series DC Inverter Service Manual
91
For the units: 48k
L1
L2
1
2
H1 H2
Figure 3-4-6
Floor Ceiling Type Unit:
Electric box cover
Le
ft
si
de
p
an
el
L1
L2
1
2
H1 H2
Figure 3-4-7
.
The power cord and the wire of the fresh air valve are high -voltage, while the communication cord and connection
wire of the wired controller are low-voltage. They should run separately against electromagnetic interference.
.
The high-voltage and low-voltage lines should pass through the rubber rings at different electric box covers.
.
Do not bundle the connection wire of the wired controller and the communication cord together, or arrange them in
parallel, otherwise improper operation would occur.
CAUTION!
1. The power cord and the wire of the fresh air valve are high-voltage, while the communication cord and connection wire of
the wired controller are low-voltage. They should run separately against electromagnetic interference.
2. The high-voltage and low-voltage lines should pass through the rubber rings at different electric box covers.
3. Do not bundle the connection wire of the wired controller and the communication cord together, or arrange them in
parallel, otherwise improper operation would occur.
