Ducted Type Split Air-Conditioner Units(Inverter Series)
16
(3) Calculation of the amount of additional refrigerant
：
Quantity of additional refrigerant per meter for liquid pipe
（
kg/m
）
Φ
12.7mm
Φ
9.52mm
0.11
0.054
3.5 Electric Wiring
3.5.1 Notices for Wiring
(1) Install units according to national wiring codes.
(2) Use air conditioner specialized power supply and make sure that it is
consistent with system’s rated voltage.
(3) Do not pull the power cord with force.
(4) All electrical installation must be performed by qualified technicians in
accordance with local laws, regulations and this user manual.
(5) Caliber of the power cord must be large enough. A damaged power cord
or connection wire must be replaced by specialized electrical cords.
(6) If the supply cord is damaged, it must be replaced by the manufacturer or
its service agent or a similarly qualified person in order to avoid a hazard.
(7) A circuit breaker having a contact separation of at least 3mm in all poles
should be fixed in fixed wiring.
(8) For the wiring of power cord, please refer to the wiring instruction label on
the unit.
Connect the unit to specialized grounding device and make sure it is securely
grounded. It’s a must to install air switch and current circuit breaker that can cut off
the power of the entire system. The circuit breaker should include magnetic trip
function and thermal trip function so that system can be protected from short circuit
and overload.
Grounding Requirements:
(1) Air conditioner belongs to class
Ⅰ
electrical appliance, so it must be
securely grounded.
(2) The yellow-green wire inside the unit is a ground wire. Do not cut it off or
secure it with tapping screws, otherwise it will lead to electric shock.
(3) Power supply must include secure grounding terminal. Do not connect the
ground wire to the following:
Содержание FGR20Pd/DNa-X
Страница 5: ...7 4 Maintenance after Seasonal Use 34 7 5 Parts Replacement 35 8 After sales Service 35...
Страница 41: ......
