Airflow DUPLEX RS5 5500/2000 조립 매뉴얼 - 페이지 13
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페이지 인쇄The following rules must be adhered to during the installation of the water chiller:
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The water chiller in all versions must be filled with an antifreeze solution with sufficient thermal
resistance, or it must be drained as long as the outdoor temperature might drop below 3°C.
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Maximum permitted operating positive pressure is 1.0 MPa!
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The inlet of the chilled water system into the unit must be equipped with a sludge filter.
4.12.
Installing mixing valve of the water chiller
During the mechanical installation and connection of the control manifold of the hot water heater follow
the instructions supplied with this optional accessory.
4.13.
Installing direct chiller
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During the mechanical installation of the direct chiller follow the manual supplied with this optional
accessory.
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During the connection of the direct chiller follow the instructions of the supplier of condensation units
and connecting pipes
4.14.
Installing manometers to control constant flow and constant
pressure
During mechanical installation and electrical connection follow the manual supplied with this optional
accessory.
5 . E l e c t r i c a l c o n n e c t i o n , c o m m i s s i o n i n g ,
d e s c r i p t i o n o f c o n t r o l s
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The electrical equipment of the unit is designed by following standards in effect for electrical
connections to power supply network TN-C, TN-S, TN-C,S. The appliance may only be connected
by a qualified electrician. The appliance is provided with external connections for equipotential
bonding.
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The wiring diagram of the equipment is shown in the documentation supplied along with the unit.
Instructions for and the diagrams of electrical connections of optional accessories are included in
the documentation sets of these accessories.
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A disconnecting device - service switch for disconnecting from power supply - is located in the
power supply line leading to the appliance.
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Commissioning may vary depending on the type of control system. Commissioning is carried out
by a trained technician following the separate documentation set included.
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The controls are described in a separate guide on operating the control system.
The unit is to be protected using a breaker with characteristics "C".
In case of using additional overcurrent protection against accidental direct or indirect contact, it is
necessary to use a special circuit breaker designed for frequency inverters and switching
sources. It is a protector sensitive to alternating pulsed DC
surges 5 kA.
residual currents, resistant to current
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