Lennox TPA036S2, User Manual

Page: 9 / 16

TP − 3 to 5 Ton R−22 Heat Pump Outdoor Units / Page 9
INDOOR COIL / AIR HANDLER SUBSTITUTIONS
Substituting Coils in the ARI Tables
Most R−22 and R−410A indoor coils and air handlers are the same except for the factory installed expansion device. C33
coils can be used in place of the CX34 coils, CB26UH, CB30M and CB31MV air handlers can be used in place of the
CB26XUH, CBX32M and CBX32MV, respectively.
The expansion device is based on the size of the outdoor unit. The factory installed RFC or TXV on the
C33/CB26UH/CB31MV/CB30M must be replaced to correspond to the outdoor unit. The correct TXV’s are:
3 ton air conditioners 56J19
4−5 ton air conditioners 56J20
Example:
A four−ton air conditioner is being installed. The ARI table shows that CBX32MV−048 is a matching air handler. A
CB31MV−51 with a 56J20 TXV can be used in its place.
UP−FLOW COILS
R−410A R−22
CX34−18/24A−6F =
C33−24A−2
CX34−18/24B−6F =
C33−24B−2
CX34−18/24C−6F =
C33−24C−2
CX34−19A−6F
=
C33−19A−2
CX34−25A−6F
=
C33−25A−2
CX34−25B−6F
=
C33−25B−2
CX34−30A−6F
=
C33−30A−2
CX34−30B−6F
=
C33−30B−2
CX34−30C−6F
=
C33−30C−2
CX34−31A−6F
=
C33−31A−2
CX34−31B−6F
=
C33−31B−2
CX34−36A−6F
=
C33−36A−2
CX34−36B−6F
=
C33−36B−2
CX34−36C−6F
=
C33−36C−2
CX34−38A−6F
=
C33−38A−2
CX34−38B−6F
=
C33−38B−2
CX34−42B−6F = C33−42B−2
CX34−43B−6F = C33−43B−2
CX34−43C−6F = C33−43C−2
no equivalent
C33−44C−2
CX34−44/48B−6F
=
C33−48B−2
CX34−44/48C−6F
=
C33−48C−2
CX34−49C−6F
=
C33−49C−2
CX34−50/60C−6F
=
C33−50/60C−2
CX34−60D−6F
=
C33−60D−2
CX34−62C−6F
=
C33−62C−2
CX34−62D−6F
=
C33−62D−2
AIR HANDLERS
R−410A R−22
CBX26UH−018 = CB26UH−018
CBX26UH−024 = CB26UH−024
CBX26UH−030 = CB26UH−030
CBX26UH−036 = CB26UH−036
CBX26UH−042 = CB26UH−042
CBX26UH−048 = CB26UH−048
CBX26UH−060 = CB26UH−060
CBX27UH−018/024 = CB27UH−018/024
CBX27UH−030 = CB27UH−030
CBX27UH−036 = CB27UH−036
CBX27UH−042 = CB27UH−042
CBX27UH−048 = CB27UH−048
CBX27UH−060 = CB27UH−060
CBX32M−018/024 = CB30M−21/26
CBX32M−030 = CB30M−31
CBX32M−036 = CB30M−41
CBX32M−042 = CB30M−46
CBX32M−048 = CB30M−51
CBX32M−060 = CB30M−65
CBX32MV−018/024 no equivalent
CBX32MV−024/030 no equivalent
CBX32MV−036 = CB31MV−41
CBX32MV−048 = CB31MV−51
CBX32MV−060 = CB31MV−65
CBX32MV−068 no equivalent