Txv Usage; Txv Substitutions; Most Popular Matches - Lennox XC21 Engineering Data

TXV USAGE

Model No. Order No.
XC21-024 37L51
XC21-036 37L51
XC21-048 91M02
XC21-060 91M02
CX34 upflow coils and all Lennox air handlers (except CB26UH "R") are
shipped with a factory installed TXV. In most cases, no change out of the valve
is needed.
If a change out is required it will be listed in the "TXV SUBSTITUTIONS" table.
The correct TXV must be ordered and field installed. C33 coils and all horizontal
and downflow coils are shipped without a TXV. The TXV must be ordered and
field installed.

MOST POPULAR MATCHES

Outdoor Unit
Model No.
XC21-024
CBX32MV-036
XC21-036 CBX32MV-048
XC21-048 CBX32MV-048
XC21-060 CBX32MV-060
Indoor Unit
Model No

*TXV SUBSTITUTIONS

Indoor Coils/Air Handlers with factory installed expansion
valves that require field replacement
Indoor Coil or Air
Model No.
Handler
XC21-024 C33-44
XC21-024 CBX32M-042
XC21-024 CX34-42
XC21-036 C33-44
XC21-036 CBX27UH-036
XC21-036 CBX27UH-042
XC21-036 CBX32M-042
XC21-036 CBX32M-048
XC21-036 CBX32MV-048
XC21-036 CBX40UHV-042
XC21-036 CBX40UHV-048
XC21-036 CX34-42
XC21-036 CX34-44/48
XC21-036 CX34-49
XC21-036 CX34-50/60C
XC21-036 CX34-62
XC21-048 CBX32M-036
XC21-048 CBX32MV-036
XC21-048 CBX40UHV-036
XC21-048 CX34-44/48
XC21-060 CX34-44/48
*Factory installed expansion valve on the indoor coil or air handler shown
must be replaced with the expansion valve listed (ordered separately).
XC21 - 2 to 5 Ton Air Conditioner / Page 13
Order No.
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
37L51
91M02
91M02
91M02
91M02
91M02