Refrigeration System Layout - Hussmann FNGSC-A Installation & Operation Manual

Dual temperature self contained island merchandiser
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E
2-6
LECTRICAL

REFRIGERATION SYSTEM LAYOUT

Product must be pre-frozen for low temp
applications . For medium temperature
applications products must be pre-chilled .
The evaporator is dual circuited . Circuit 1 is
the bottom section and Circuit 2 is the top
section . In Figure B, lefthand circuit is shown .
The flow is described as the following:
Cap tube is feeding the bottom section of the
coil . Once the refrigerant passes through the
evaporator, refrigerant goes out to the suction
line to the compressor .
Condensing Unit (lefthand)
Refrigeration
Outlet
Drain
Hot Gas Line
Hot Gas tee
Evap Inlet
Evap Outlet
P/N 3141959_C
/ R
EFRIGERATION
Controller
Electrical Box
Electrical
Outlets
Machine Compartment Layout
(FNGSC8A shown)
AIR INTAKE
Refrigeration Circuit #1 (left side)
U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com
The discharge line runs through the evaporation
pan to increase the water temperature, located
in the top level of the evaporation pan . At
the same time, refrigerant temperature drops,
increasing system capacity .
Condensing Unit (righthand)
Elec Enclosure Box
Solenoid Valves
Refrigeration Outlet
Drain
AIR EXHAUST

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