Installation
Remove Existing Condensing Unit
1.Recover refrigerant in system using proper refrigeration practices.
2.Oil removal: The majority of the oil will be in the old condensing unit (compressor, condenser and receiver), which will be replaced with the new unit.
3.Remove
NOTE
Wiring should be removed by a licensed electrician.
Existing
4.Cut the line set before the Aeroquip fittings entering the condensing unit.
5.Remove the existing filter drier in evaporator unit and discard. The filter drier may contain contaminants that can be released out of the drier because of the POE oil.
Filter Drier Selection and Installation
Recommended
1.Install a
2.Ensure there is enough clearance for replacing cores when choosing a location.
3.Replace core a week after startup and inspect the removed replaceable core for contaminants to determine if another replacement is needed. (If the system experienced a burnout, shorter interval replacements will be needed.)
Optional
Install a new filter drier approved for POE oil in place of the existing one.
Install the New Condensing Unit
1.Install a stub tube kit on the existing line set connecting to the new condensing unit. This kit is available from Emerson or your local Emerson representative.
2.Evacuate the
3.Evacuate a third time to 250 microns and verify the above levels are maintained for at least one minute after the unit is isolated from the vacuum pump by a shutoff valve.
4.Connect the condensing unit with the evaporator and piping (see 2.5.4 - Installation of Piping to Units).
5.Add enough
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