Vinotemp WINE-MATE VINO-6500SSL - Manual (Page 3)

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Back Position: Process and manometer port closed for normal operation
Front Position: Connection to liquid or suction line closed
Middle Position: All ports open for evacuation, charge and manometer reading
3. Evaporator Unit
• The WM15-65SFCL evaporator units shall be installed for ceiling mount
with the air supply towards horizontally and air return on the bottom.
• Supply and return air flow from the evaporator unit shall be unobstructed
for at least 1 foot.
• There is a gravity drain line and the unit shall be installed level or with a
slight angle toward the drain connection. If rise-up is needed, a
condensation pump must be used.
4. Air Sensor
• The air sensor can be located in the wine room 5 feet above the floor or
the return air area, but not the supply air area or air dead area.
• If the temperature controller is mounted outside the wine room but the air
sensor is located inside the wine room, use 18 gauge wires to extend the
air sensor if needed.
5. Refrigeration Piping, Evacuating, Charging and Starting
CAUTION:
• THE VALVE CONNECTION SIZES OF CONDENSING UNIT AND THE
LINE ALWAYS USE THE SUPERHEAT AND SUBCOOLING,
PRESSURE READINGS TO CHARGE REFRIGERANT PROPERLY,
THE LISTED CHARGES ARE FOR REFERENCE ONLY.
• CHARGE 15% MORE REFRIGERANT IN THE SUMMER IF THE UNIT IS
EQUIPPED WITH A LOW AMBIENT CONDITION KIT.
• The installation order starts from condensing unit (including the receiver,
discharge valve), liquid line filter-drier, moisture-liquid indicator/sight glass,
liquid line, to evaporator unit (including liquid line connection, solenoid
valve, expansion valve, and suction line connection), returning to insulated
suction line, suction valve and then condensing unit.
• Use inverted siphons to prevent liquid from flooding back to the
compressor and aid oil returning to the compressor.
• Charge the system after pipe brazing, leak testing and evacuating.
• The subcooling at the condensing unit shall be around 10
° F. The charge
may be complete when there are no more bubbles forming in the sight
glass.
• The evaporator’s constant pressure expansion valve is set around 35-
40 ° F at factory. This pressure setting gives a dew point to maintain the
humidity for storing wine.