User's Manual

Pa ge 15
To get the best from R410A
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Use the correct t ools
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A dhering to local code
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Stren gth test to 1.3 x Ps (623 PSI)
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Leak te st to 1.0 x Ps (478 PSI )
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O b s erv e regu l ations (Hea lth & Sa fety a t work, press ure equ i pm ent etc.)
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Use correct copper pipework with app ropriate wall th ickness
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Follow g ood working practice at all times (N itrog en brazing, proper evacuation, etc.)
The benefit s of work ing with R410A
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Hi gher p res s ures
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More ef fic i ent
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Smaller pip e diameters
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L ower r e fr iger ant c har ge
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Sm all s y s tem si z e p er kW
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Hi gher h eat t ran s fer coefficien t
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V ery small te mpera t ure glide <0.17k
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HF C z e ot ropic mixture of HF C-32 a nd HFC-125
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High pressure - narrow glide
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Hydrofluorocarbon blend with z ero O DP
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Lower indirect g lobal warming potential ( C O
2
p rod u cti on at p ower sta ti on )
than R22 and R407c
If y ou follow the guid elines contain ed within and carry out good refrigeration
pract ice s at all times , then w orki ng with R410A will be no dif ferent from working with
previous refrigerants.
Know it and use it!
Su mma r y
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