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1 General introduction
See the nameplate for the main technical data.
The all-inverter modular air-cooled chillers are capable of performing cooling all year around with high
energy efficient. It requires no cooling towers and is quite applicable to water deficient areas, and can
be widely used at newly built or retrofitted industrial and civil buildings in various sizes, such as, hotels,
apartments, restaurants, office buildings, shopping malls, theaters, gyms, workshops, hospitals, places
where there is requirement on cooling under ultra-low temperature, like cold storages, places where
require cooling for dairy products, food and industrial products, and especially places where there are high
requirements on noise level and surrounding environment and boils and cooling towers are not allowed or
hard to be installed.
The unit is a hermetically sealed equipment. The annual refrigerant leakage of the whole unit is less
than 1g. Its refrigerant charge is required on the nameplate.
1.1 Product features
The all-inverter modular air-cooled chillers work outstandingly by virtue of their major features stated
below.
■ Excellent compatibility
The all-inverter modular air-cooled chillers can be constructed of multiple single units with the same
or different structure or capability (32kW, 60kW and 130kW). For the LSQWRF35VM/NhA-M unit, it has
only one cooling system; for the LSQWRF60VM/NhA-M unit, it has two independent systems; for the
LSQWRF130VM/NhA-M unit, there are four uniform independent systems. Up to 16 single units can be
modularized, with cooling capacity ranging from 35kW to 1040kW.
■ Comfort and energy saving
The variable-frequency technology can quickly respond to load change and lead to decreased water
temperature fluctuation and better comfort.
■ Ultra-quiet
The high-efficiency and low-noise fan blades and motor as well as the optimized air passage can
greatly lower operation noise of the unit. Besides, the quite mode can provide the user an ultra-quite
environment.
■ Powerful self-protection
It is equipped with the top-end microcomputer control system which is capable of providing well-
rounded protection and self-diagnosis.
■ High reliability
It is constructed of well-designed refrigeration parts and well-designed system, structure and electric
control, adequately guaranteeing reliable operation.
■ Remote ON/OFF
The unit can be started or stopped by the ON/OFF key operation.
■ Equilibrium running
It indicates each compressor will run alternately so as to extend their service life.
■ Shiftwork of water pumps
Two water pumps can work alternately to balance their runtimes, which extends their service life. If one
pump runs for this time, it will be the other pump next time.
A Series Inverter Modular Air-cooled Chiller (Heat Pump)
6
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