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XP21
Air Handler / Indoor Coil Matchups and Targeted Subcooling Values
Listed below are the targeted subcooling and charging val-
ues for approved indoor unit air handler / coil matchups.
This information is also listed on the unit charging sticker
located on the access panel. * Indicates amount of charge
required in additional to charge shown on unit nameplate.
Remember to consider line set length differences.
Table 3 XP21−024−230−ALL
Model Number
Target SC Add Charge*
Heat
(+5ºF)
Cool
(+1º)
lb. oz.
CB(X)27UH−024 15 4 0 0
CB(X)27UH−030 22 7 1 10
CBX32M−036 and
CBX32MV−036
22 7 1 10
CBX32M−030 and
CBX32MV−24/30
15 4 0 0
CBX40UHV−024 22 7 1 10
CBX40UHV−030 22 7 1 10
CBX40UHV−036 22 7 1 10
CH23−51 18 4 0 10
CH33−31 18 4 0 10
CH33−42 18 4 0 10
CR33−48 32 4 0 0
CR33−50/60C 14 7 1 10
CX34−31 27 4 0 10
CX34−34/48B 22 5 1 3
CX34−38 25 6 1 7
Table 4 XP21−036−230−ALL
Model Number
Target SC Add Charge*
Heat
(+5ºF)
Cool
(+1º)
lb. oz.
CB(X)27UH−036 17 5 0 0
CB(X)27UH−042 12 5 1 10
CBX32M−036 and
CBX32MV−036
17 5 0 0
CBX32M−048 and
CBX32MV−048
12 5 1 10
CBX40UHV−036 17 5 0 0
CBX40UHV−042 12 5 1 10
CBX40UHV−048 12 5 1 10
CH23−51 19 7 0 0
CH33−43 11 5 0 7
CH33−44/48B 11 5 0 7
CH33−48C 32 7 0 7
CH33−50/60C 12 7 1 6
CR33−48 32 4 0 7
CR33−50/60C 11 4 1 8
CX34−38 15 5 0 7
CX34−44/48B 19 4 0 10
CX34−49 10 10 1 10
CX34−50/60C 11 5 0 7
Table 5 XP21−048−230−ALL
Model Number
Target SC Add Charge*
Heat
(+5ºF)
Cool
(+1º)
lb. oz.
CB(X)27UH−048 24 4 1 0
CB(X)27UH−060 14 4 1 6
CBX32M−048 and
CBX32MV−048
24 4 1 0
CBX32M−060 and
CBX32MV−060
21 4 1 14
CBX32MV−068 14 4 1 0
CBX40UHV−048 24 4 1 0
CBX40UHV−060 21 4 1 14
CH23−68 14 4 1 6
CH33−49C 21 4 1 14
CH33−50/60C 21 4 1 14
CH33−62D 20 4 1 7
CR33−50/60 32 4 0 0
CR33−60D 32 4 0 0
CX34−49 21 5 0 10
CX34−62C 11 4 1 5
CX34−62D 11 4 1 5
Table 6. XP21−060−230−01 Only
Model Number
Target SC Add Charge*
Heat
(+5ºF)
Cool
(+1º)
lb. oz.
CB(X)27UH−060 15 4 1 2
CBX32M−060 and
CBX32MV−060
12 4 1 10
CBX32MV−068 14 4 1 0
CBX40UHV−060 12 4 1 10
CH23−68 15 4 1 6
CH33−49C 16 4 1 0
CH33−50/60C 16 4 1 0
CH33−62D 13 5 1 3
CR33−50/60 23 5 0 0
CR33−60D 23 5 0 0
CX34−49 16 4 1 0
CX34−62C 13 5 1 3
CX34−62D 13 5 1 3
Table 7 XP21−060−230−02 and Later
Model Number
Target SC Add Charge*
Heat
(+5ºF)
Cool
(+1º)
lb. oz.
CB(X)27UH−060 7 6 0 10
CBX32M−060 and
CBX32MV−060
10 4 0 0
CBX32MV−068 9 4 0 10
CBX40UHV−060 10 4 0 0
CH23−68 10 4 0 10
CH33−49C 7 5 0 0
CH33−50/60C 7 5 0 0
CH33−62D 9 4 0 7
CR33−50/60 22 5 0 4
CR33−60D 22 5 0 4
CX34−49 10 5 0 4
CX34−62C 7 5 0 0
CX34−62D 7 5 0 0