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USER GUIDE
USER GUIDE
SAFETY • INSTALLATION & INTEGRATION • OPERATING INSTRUCTIONS • MAINTENANCE • SERVICE
The low side of the refrigeration system (evaporator,
compressor and suction line) must be leak tested with the
compressor off (equalized pressure).
RECHARGING
No air is ever to be allowed inside the refrigeration system
(R-600a refrigerant or dry nitrogen only).
Never use a torch on a fully charged refrigeration system.
Install a Schrader Type access port on the compressor
process stub.
Evacuate the system to 100 microns prior to charging.
Evacuate the system to 100 microns prior to charging.
Weigh in the R290/R600a charge using a refrigerant scale.
(run compressor an extra two minutes to clear the charging
hoses).
Weigh in the R-600a charge using a refrigerant scale. (run
compressor an extra two minutes to clear the charging
Seal the Schrader Type access port, a proper cap and seal
hoses).
must be used to close the system.
Seal the Schrader Type access port, a proper cap and seal
No system should be open to the atmosphere for longer
must be used to close the system.
than 15 minutes to avoid moisture migration into the
system components.
SUMMARY
Safely handling R290/R600a requires proper procedures and
Safely handling R-600a requires proper procedures and
training.
training.
R290/R600a approved service tools must be used.
R-600a approved service tools must be used.
R290/R600a labeling must not be removed or altered.
R-600a labeling must not be removed or altered.
R-600A Specifications
Proper ventilation during service is required.
Proper ventilation during service is required.
Never apply a torch to a charged R290/R600a refrigeration
Never apply a torch to a charged R-600a refrigeration
system.
system.
Use OEM replacement service parts and do not alter the
construction of the unit.
Use OEM replacement service parts and do not alter the
construction of the unit.
No air is ever to be allowed inside the refrigeration system
(R290/R600a refrigerant or dry nitrogen only).
Never use a torch on a fully charged refrigeration system.
Install a Schrader Type access port on the compressor
process stub.
The filter dryer must be replaced any time the sealed
system is serviced.
No system should be open to the atmosphere for longer
than 15 minutes to avoid moisture migration into the
system components.
LEAK DETECTION
After removal of the R290/R600a, the unit can be charged
with dry nitrogen or helium.
Electronic leak detection or soap solution can be used to
check for nitrogen/helium leaks.Evacuate and charge with
dry nitrogen for leak checks.
35
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R-600A Specifications 4
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