Gree GKH18D3FI, Service Manual

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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
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.