Midea R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC-HTSM-201906
87
The wiring should adapt to the wired controller current. Otherwise, electric leakage or heating may occur
and result in fire.
The specified cables shall be applied in the wiring. No external force may be applied to the terminal.
Otherwise, wire cut and heating may occur and result in fire.
Circuit of wired controller is low voltage circuit. Never connect it with a standard 220V or 380V circuit or
put it into a same wiring tube with the circuit.
The shield cable must be connected stable to the ground, or transmission may fail.
Do not attempt to extend the shield cable by cutting, if it is necessary, use terminal connection block to
connect.
Do not place the wired controller near the lamps, to avoid the signal of the controller to be disturbed.
Do not install the unit in a place with much oil, steam, sulfide gas. Otherwise, the product may deform and
fail.
4.2 Preparation before installation:
Check whether the following assemblies are complete:
Cross round head wood mounting screw
M4×20, for mounting on the wall.
Cross round head mounting screw
M4×25, for mounting on the electric
switch box.
For mounting on the wall.
For fixing on the 86 electrician box.
Prepare the following assemblies on the site:
Wiring tube (insulating sleeve and tightening
screw)
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