Follett HMF1400R Manual de instrucciones de instalación - Página 6
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Refrigeration line installation: 7/8" suction / 3/8" liquid line (1650)
4.1
• The installer of the refrigeration line set must be USA Government Environmental Protection Agency (EPA)
certifi ed in proper refrigeration handling and service procedures
• A qualifi ed person must perform all roof or wall penetration
• Do not form unwanted traps in refrigeration lines. A service loop is not considered an oil trap.
• Never coil excess refrigeration tubing
• The compressor oil rapidly absorbs moisture. Minimize the exposure of the refrigeration system by not releasing
the condenser unit or evaporator unit holding charge until all line connections are fi nished and the system is
ready for evacuation.
• It is recommended that both liquid and suction lines are run and insulated together for the fi rst 15 feet (4,6m)
from the condensing unit. This protects the system from sub-cooling loss and/or liquid slugging the compressor.
• This unit contains an R404A holding charge
1. Make and connect line set run from the condensing unit to the evaporator unit with all
specifi cations found in the installation specifi cations section. Do not overheat shut off valves on
the condenser unit or evaporator unit.
2. Leak check fi eld joints via the evaporator unit service valves.
3. Evacuate line set via the evaporator unit service valves.
4. Determine required charge size based on the model and line length.
Line Run
0 - 50 ft (0 - 15,2m)
50 - 75 ft (15,2 - 22,9m)
75 - 100 ft (22,9 - 30,5m)
100 ft + (30,5m+)
5. Open the liquid line service valve and suction line service valve on the evaporator unit and
condenser unit.
6. Open the liquid line valve on the receiver, then the suction line valve on the compressor unit.
7. Liquid charge unit through liquid line shut off valve on the evaporator unit or receiver valve on
the condensing unit.
8. Isolate the refrigerant tank from high pressure side on the system.
9. Turn on power to condensing unit and evaporator unit.
10. Complete system charge through low pressure side.
11. Insulate entire suction line including shut off valves to prevent condensation.
6
Refrigeration line installation
5/8" suction / 3/8" liquid line (1000, 1400)
CAUTION
WARNING
R404A Ice Machine Charge Specifi cations
Charge 1000R
8 lbs (4,9kg)
9 lbs (5,4kg)
10 lbs (5,9kg)
not recommended – consult factory
Charge 1400R
Charge 1650R
11 lbs (4,9kg)
12 lbs (5,4kg)
13 lbs (5,9kg)
REMOTE CONDENSING UNIT
4
11 lbs (4,9kg)
12 lbs (5,4kg)
13 lbs (5,9kg)