Gree LSQWRF35VM/NaA-M, Руководство по обслуживанию, Страница: 54 / 120

50
Unit Installation
The cable should be fixed
by these three fasteners.
T he thru-hole after wiring
should be sealed to prevent
insects from entering.
LSQWRF60VM/NhA-M
(4) The unit shall be grounded reliably and never connect the ground wire with the gas fuel pipe, water
pipe, lightening rod or telephone line.
(5) After wiring, O-rings should be tightened to prevent coming of insects.
Follow the procedures below to connect control lines.
(1) The field supplied control line shall be at a minimum 1mm
2
.
(2) The electric box will send the control signal (220 AC, 5A) to control the chilled water pump and
auxiliary electric heater, however, never do not drive them directly through the control signal but
through their AC contactors.
(3) Switching signals (220VAC, 2A) for the running and error indicators are available for the electric
box.
(4) The remote switch control signal is available for the electric box and please pay attention to the
input passive dry contact.
(5) A reasonable length of the control line should be left outside the unit and the rest should be bundled
and fed into the electric box.
(6) The connection line of the display panel and main board is reliably grounded through the main
board. Beside, communication lines between units also should be grounded.