Piping Connection - Lennox eCO2Boost XS 3 Installation Instructions Manual

6.1. Piping connection

1. Optimal distance between CDU and unit cooler :
MT: < 30m (risk of capacity & lubrication)
LT: < 20m (risk of capacity & lubrication)
2. Pipes Material
CDU connection
Discharge pipe only
Both (discharge and suction pipe)
3. Pipes insulation: 32 mm.
4. Avoid CO pipes contact with other conducts or pipes.
2
5. Avoid installation in corrosive environment.
Unit cooler
Condensing unit
Thermal insulation
covering the entire
length of tubing
Diameter
1/4" (6,35 mm)
3/8" (9,52 mm)
> 0°
Pipe slope
Electronic
Unit cooler
expansion valve
Solenoid
valve
Material
Hard copper
K65
Hard copper
INCORRECT
Suction pipe
CDU
Condensing unit
expansion valve
Unit cooler
8
Thickness [mm]
1
0.65
1
CORRECT
Suction pipe
Refrigerant
discharge pipe
Thermal insulation
material
Electronic
Solenoid
Valve
eCO2Boost XS 3
MWP [bar]
245
120
155
Refrigerant
discharge pipe
Thermal insulation
material
Thermal insulation
covering the entire
length of tubing
Siphon
every 5m