Refrigeration (Self Contained); Waste Outlet - Hussmann NAV Series Installation & Operation Manual

ELECTRICAL / REFRIGERATION
2-2
REFRIGERATION
(Self Contained Models)
Each self contained model is equipped with
its own condensing unit and control panel
located beneath the display area. The correct
type of refrigerant will be stamped on each
merchandiser's serial plate. The merchan-
diser refrigeration piping is leak tested. The
unit is charged with refrigerant, and shipped
from the factory with all service valves open.
NAV/C models have a refrigeration system
that uses a hermetic compressor and a
capillary tube for refrigerant control. The
capillary tube is soldered to the suction line
pull-out coil for proper heat exchange. If the
capillary should become plugged or damaged, it
is best to replace the heat exchanger.
Refrigeration lines are under pressure.
Refrigerant must be recovered before
attempting any connection or repair.
When brazing pipes, be sure to use the
insulation blanket shipped with the
merchandiser to prevent damage to the
metal merchandiser bottom.
Product will be degraded and may spoil if
allowed to sit in a non-refrigerated area.
P/N 2400204_H

WASTE OUTLET

For self contained models like NAV / NAVC,
condensate waste from defrost, drains into a
condensate pan located beneath the merchandiser.
The condensate pan has a hot gas loop that
evaporates waste. Ensure the drain hose is
properly trapped, and the drain area is not
clogged. Ensure waste outlet cap is fitted
securely in place.
NOTE: All lower base panels must be in place
when the merchandiser is operating. If not, air-
flow from the condenser will be directed over the
evaporator pan and defrost waste in the pan may
overflow.
U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com
Waste Outlet