Gree D Series Service Manual

21
D Series Modular Air-cooled Scroll Chillers
Service Manual
7 FREEZE PROTECTION
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measures stated below for freeze protection.
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Under subzero conditions, it is necessary to shut down the chiller installed outdoor and then drain the
evaporator completely.
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Failure of the chilled water flow switch and the anti-freezing temperature sensor will cause the tube
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When charging or recovering the refrigerant, the evaporator would crack because of frostbite provided
the refrigerant pressure inside the evaporator is under 0.71MPa. Therefore, be sure to keep the water
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8 ELECTRIC WIRING WORK
8.1 Wiring Principle
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All wiring shall comply with applicable codes and engineering requirements.
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Never perform wiring before the power supply is cut off.
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WARNING: only copper conductor is allowed.
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The power cord must be routed inside the conduit.
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caused by the sharp edge of the metal sheet.
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(2). Control Line
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2
.
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parallel with the 50V or higher line. If inevitable, the hi-voltage and low-voltage signals must keep a
distance of at least 150mm.
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electric heater, however, never do not drive them directly through the control signal but through their AC
contactors.
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A reasonable length of the control line should be left outside the unit and the rest should be bundled and
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ТОО "Everest climate" г. Алматы, Варламова 1а, тел.+7 727 230 00 10, e-mail: info@aircon.kz, сайт:www.aircon.kz

Gree D Series Specifications

General

Brand	Gree
Model	D Series
Category	Chiller
Language	English