Recovery & RecyclingQuestion 206 of 240

Self-contained (active) recovery equipment differs from system-dependent (passive) equipment in that it:

a.Cannot recover liquid refrigerant
b.Has its own compressor and needs no help from the appliance
c.Can only be used on small appliances
d.Requires the appliance's compressor to run

Explanation

Self-contained equipment has its own compressor or pump and can pull refrigerant from any appliance without relying on the unit. System-dependent equipment has no pump and depends on the appliance's own pressure or compressor, so it may be used only on small appliances. Choose active equipment for high- and low-pressure work.

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