Samsung AC BXU CH Series - Page 18

18
Installation Procedure
English
Installation Procedure
Calculating the additional refrigerant charge
When installing the outdoor unit with the AHRI listed combinations:
Ɵͱϩɇθʪ˙θ˝ʪθɇϩɇͱЇϩͱЇϩʀ˵ɇθ˝ʪʒɇϩ˙ɇʀϩͱθцʒʒϩͱɇθʪ˙θ˝ʪθɇϩɇͱЇϩϩͱ˙ϩΧΧ˝ʪ˝ϩ˵࣑ࠞ
When installing in a retrofit application
Total refrigerant amount = Amount charged at factory + Amount of refrigerant addition/reduction by internal volume
ͱ˙ʒͱͱθЇϩ࣑ࠟʒʒϩͱɇθʪ˙θ˝ʪθɇϩɇͱЇϩϩͱ˙ϩΧΧ˝ʪ˝ϩ˵࣑ࠞ
When installing in a retrofit application (and internal coil volume of indoor unit is not known)
Ɵͱϩɇθʪ˙θ˝ʪθɇϩɇͱЇϩƊϩɇʒɇθʒθʪ˙θ˝ʪθɇϩɇͱЇϩ˙ͱθθʪϩθͱ˙ϩϩ˝࣑ࠠʒʒϩͱɇθʪ˙θ˝ʪθɇϩɇͱЇϩϩͱ˙ϩΧΧ˝
ʪ˝ϩ˵࣑ࠞ
1) See Table1.
2) See Table2.
3) See Table3.
Table1 : Additional refrigerant amount by total piping length
0~24.6ft (7.5m) 24.6ft (7.5m) over
All Model
(AC***BXU*CH)
0 0.5 oz/ft
Table2 : Amount of refrigerant adjusted by internal coil volume of indoor heat exchanger
Model Name
Factory
Charging
Required Charge Adjustment for Indoor Coil Internal Volume [in³]
61 91.5 122 152.6 183.1 213.6 244.1 274.6 305.1 335.6 366.1
2Ton AC024BXUPCH 7.06 lbs
/-1.43 lbs-1.04 lbs-0.64 lbs-0.24 lbs0/////
3Ton AC036BXUDCH 7.94 lbs //-1.76 lbs-1.32 lbs-0.44 lbs-0.53 lbs0////
3Ton AC036BXUPCH 9.26 lbs / / / -2.38 lbs -1.98 lbs -1.59 lbs -1.19 lbs -0.79 lbs -0.4 lbs 0 /
4Ton AC048BXUPCH 9.26 lbs / / / -2.38 lbs -1.98 lbs -1.59 lbs -1.19 lbs -0.79 lbs -0.4 lbs 0 /
5Ton AC060BXUPCH 10.58 lbs ////-0.37 lbs 0
/ : Not allowed
0 : No addition or reduction
Table3 : Standard refrigerant amount for retrofitting (when internal volume of indoor unit is not known)
Model Name Factory Charging Standard refrigerant amount for retrofitting
2Ton AC024BXUPCH 7.06 lbs 5.63 lbs
3Ton AC036BXUDCH 7.94 lbs 6.62 lbs
3Ton AC036BXUPCH 9.26 lbs 7.67 lbs
4Ton AC048BXUPCH 9.26 lbs 7.67 lbs
5Ton AC060BXUPCH 10.58 lbs 9.7 lbs
Table4 : Total maximum refrigerant amount
Model Name Factory Charging
Total maximum refrigerant amount
(Factory charging + additional charging)
2Ton AC024BXUPCH 7.06 lbs 9.36 lbs
3Ton AC036BXUDCH 7.94 lbs 12.29 lbs
3Ton AC036BXUPCH 9.26 lbs 13.62 lbs
4Ton AC048BXUPCH 9.26 lbs 13.62 lbs
5Ton AC060BXUPCH 10.58 lbs 12.89 lbs
ki]_TXYW][hTWWptjhjG|GvhhluUGGGX_ YWYYTXWTZXGGG㝘㤸GXWa[_a\_