User's Manual

R410A has zero O z one De pl e t ion Pote ntial (O DP )
W ith the relatively high density and high eff icien cy of R410A , it is possible to reduce
t he size of system components such as c ondensers , compressors, evaporators and
piping, etc. As operating pressures are hig her compared to that of R22 and R407c
,
all system components m ust all be designed f or suitability with R410A.
W hen installing equip men t usin g R410A refrigerant , there are a number of s t andards
th a t m ust b e m et:
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An est e r oil is use d for R410A (as with R407c)
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It•s im por tant to work with absolute cleanlin ess
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BrazingmustbedonewiththeuseofNitrogen(OFN)
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Thesystemmustbeevacuatedthoroughly(tripleevacuation)
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A stren gth test i n accord a n ce with local cod e
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Thesystemmustalwaysbechargedintheliquidphase
R22 R410A
S uction 60psi 90 to 105 psi
Discharge 260psi 350 to 400 psi
Pa ge 7