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The unit construction provides extra protection against the risk ofThe unit construction provides extra protection against the risk of
The unit construction provides extra protection against the risk ofThe unit construction provides extra protection against the risk of
The unit construction provides extra protection against the risk of
electric shock by grounding appropriate metal parts. The extraelectric shock by grounding appropriate metal parts. The extra
electric shock by grounding appropriate metal parts. The extraelectric shock by grounding appropriate metal parts. The extra
electric shock by grounding appropriate metal parts. The extra
protection may not function unless the power cord is connected to aprotection may not function unless the power cord is connected to a
protection may not function unless the power cord is connected to aprotection may not function unless the power cord is connected to a
protection may not function unless the power cord is connected to a
properly grounded outlet. It is the user’s responsibility to assure aproperly grounded outlet. It is the user’s responsibility to assure a
properly grounded outlet. It is the user’s responsibility to assure aproperly grounded outlet. It is the user’s responsibility to assure a
properly grounded outlet. It is the user’s responsibility to assure a
proper ground connection is provided.proper ground connection is provided.
proper ground connection is provided.proper ground connection is provided.
proper ground connection is provided.
Models HX-500 and HX-750 are supplied with a disconnect box. Installation
of the cable is the user’s responsibility. Wire the unit in conformance to
local, state, and federal electrical codes. Double check all wiring to make
sure it is properly connected and protected from the elements.
Models HX-200 through HX-750 are equipped with a compressor crankcase
heater. The crankcase heater warms the oil in the compressor and prevents
refrigerant from mixing with the oil. Before start up, the unit must be
connected to its power source for at least 12 hours. This allows time for the
oil to be heated and separate from the refrigerant.
PlumbingPlumbing
PlumbingPlumbing
Plumbing
Requirements Requirements
Requirements Requirements
Requirements
Air-cooled and water-cooled unitsAir-cooled and water-cooled units
Air-cooled and water-cooled unitsAir-cooled and water-cooled units
Air-cooled and water-cooled units
Before installing the unit to an instrument that previously used tap water as a
cooling fluid, flush the instrument several times to remove any rust or scale
that has built up. Consult the manufacturer of the instrument for a cleaning
fluid recommendation.
The plumbing fittings used to connect the HX to the instrument being cooled
are located on the right side of the unit (labelled SUPPLY and RETURN).
These connections are ¾ inch FPT.
Remove the protective plugs from the SUPPLY and RETURN connections.
Connect the SUPPLY fitting to the inlet of the instrument being cooled.
Connect the RETURN fitting to the outlet of the instrument being cooled.
The RESERVOIR DRAIN connection on the rear of the unit is a ½ inch FPT
fitting connected internally to the unit’s fluid reservoir. This fitting provides a
means for draining the reservoir. The unit is shipped with a ½ inch MPT plug
installed in this fitting. Remove the plug to drain the reservoir.
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