Trane CAUJ-C20 - Page 50

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CAUJ-SVX01E-EN
Table 19. Recommended refrigerant capacities
Unit Size
Operating Charge per Circuit
(a)
Condenser Storage Capacity
(b)
C20 12 19
C25 12 19
C30 12 19
C40 11 24
C50 12 25
C60 13 32
C80 29 47
D10 30 50
D12 33 63
(a)
CAUJ-C20 through C30 are single circuit units. CAUJ C40 through D12 are dual circuit units.
(b)
Pounds R-410A per circuit at 95°F ambient, 95% full.
Table 20. Liquid line & drier refrigerant requirements
Liquid Line O.D. Liquid Line Charge Sporlan Part No Drier Refrigerant Charge
5/8"
1.827 C-305-S 1 lb. - 1 oz.
3/4"
2.728
C-307-S 1 lb. - 1 oz.
C-417-S 1 lb. - 8 oz.
7/8"
3.790
C-307-S 1 lb. - 1 oz.
C-417-S 1 lb. - 8 oz.
1-1/8"
6.461 C-419-S 1 lb. - 8 oz.
Note: Refrigerant charge given in ounces per foot.
Table 21. Minimum starting ambient temperatures
Standard Units Low Ambient Units
Unit Size (tons)
With HGBP No HGBP With HGBP No HGBP
20-60 40 30 10 0
80-120 40 10 0
Note: Minimum starting ambients in degrees F, based on unit at minimum step of unloading and 5 mph wind across condenser.
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