Energy Recovery Ventilation System
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(3) Size of power cord must be large enough. A damaged power cord or
connection wire must be replaced by specialized electrical cords.
(4) Wiring of wired controller shall be arranged in wire groove or adopt
concealed installation.
(5) All electrical installation must be performed by qualified personnel in
accordance with local laws, regulations and this manual.
(6) Units must be properly grounded to specialized grounding device in the
building. Please ask professionals to install.
(7) Air switch and circuit breaker that can disconnect power of the whole
system must be installed.
(8) During installation, please install all-pole disconnection device with
contact separation not less than 3mm in the power supply circuit.
(9) Air switch should have both magnetic trip and thermal trip functions so
as to protect the unit when short circuit or overload occurs.
(10) During field wiring, please follow the wiring diagram that is attached on
the unit.
(11) If the supply cord is damaged, it must be replaced by the manufacturer,
its service agent or similarly qualified persons in order to avoid a hazard.
4.3 Grounding Demands
(1) Reliable grounding must be ensured. The yellow-green wire inside the
unit is a ground wire, so it shall not be used for other purposes nor shall
it be cut. Do not tighten it with tapping screws; otherwise it will cause risk
of electric shock.
(2) Grounding resistance must follow relevant requirements of the sales
countries and regions.
(3) Power supply must provide reliable grounding terminal. Do not connect
the ground wire to the following: 1) Water pipe; 2) Gas pipe; 3) Drain
pipe; 4) Other places that are deemed as not reliable by professional
personnel.
WARNING!
Before installation and maintenance, please cut off power supply to avoid electric shock. Please use
the wire according to related configuration requirement. Otherwise it may lead to unit malfunction
and hazards such as electric shock and fire hazard.
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