Lennox CBA25UHE Series Unit Information page 18

WARNING
Danger of explosion!
Can cause equipment damage, injury, or
death.
When using a high pressure gas such as
nitrogen to pressurize a refrigeration or air
conditioning system, use a regulator that can
control the pressure down to 1 or 2 psig (6.9
to 13.8 kPa).
CAUTION
Brazing alloys and flux contain materials which are
hazardous to your health.
Avoid breathing vapors or fumes from brazing operations.
Perform operations only in well ventilated areas.
Wear gloves and protective goggles or face shield to
protect against burns.
Wash hands with soap and water after handling brazing
alloys and flux.
WARNING
When using a high pressure gas such as
nitrogen to pressurize a refrigeration or air
conditioning system, use a regulator that can
control the pressure down to 1 or 2 psig (6.9
to 13.8 kPa).
TABLE 2. CBA25UHE Refrigerant Connections and
Line Set Requirements
Liquid
Model
Line
3/8ʺ
-024
(10mm)
-030 3/8ʺ
-036 (10mm)
3/8ʺ
-042
(10mm)
NOTE - Some applications may require a field-provided 7/8ʺ
to 1-1/8ʺ adapter.
NOTE - When installing refrigerant lines longer than 50
feet, see the Lennox Refrigerant Piping Design and Fab-
rication Guidelines, CORP. 9351-L9, or contact Lennox
Technical Support Product Applications for assistance.
Page 18
Vapor
L15 Line Sets
Line
3/4ʺ
L15 line set sizes are
(19mm)
dependant on unit
3/4ʺ match-up. See Product
(19mm) Specifications (EHB) for
outdoor unit to determine
7/8"
correct line set sizes
(22mm)