46
D Series Modular Air-cooled Scroll Chillers
Service Manual
4. Place a
new heat
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and vacuum
the system
and then
charge
refrigerant
and lastly
put the fan
and metal
sheets back
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ƹ
Braze the pipeline.
ƹ
Vacuum the system until the pressure is as
low as -1.0bar.
ƹ
The refrigerant charge and quality shall comply
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Take care to the wiring sequence when rewiring
the fan motor.
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recover the refrigerant.
Steps Graphic Representation Instructions
1. Recover
the refrigerant
and remove
the panel
ElectronLFH[Sansion valve
ƹ
Cut off the power supply
ƹ
Recover the refrigerant.
ƹ
Remove the panel.
2. Remove
the electronic
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valve coil.
Coil
ƹ
Wrap the valve with wet close to prevent
the slide block from being burnt down and
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