– 50 –
Complete (cooling only) sealed system with all other components removed.
Install a new drier in the liquid line tube between the outdoor coil and the capillaries.
Indoor Coil
Reversing Valve
Capillaries
Compressor
Drier
Liquid Line
Outdoor Coil
Features may vary depending model number throughout this Service Guide.
As with any refrigeration system, Zonelines have an indoor coil, outdoor coil, compressor and
refrigerant metering device (capillary tubes). A drier is part of the sealed system now included from the
factory.
Additionally, on heat pump models (AZ65), a reversing valve to switch the ow of refrigerant and a
check valve to balance the system are parts of the sealed system.
A "tank" or reciever is part of some sealed systems in the Zoneline models. The tank allows for
expansion of the refrigerant where required.
NOTE: A new drier MUST be installed anytime a sealed system is repaired.
Sealed System
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