Lennox eCO2Boost L, Руководство по установке

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eCO2Boost XS 3
8
1. Optimal distance between CDU and unit cooler :
MT: < 30m (risk of capacity & lubrication)
LT: < 20m (risk of capacity & lubrication)
2. Pipes Material
3. Pipes insulation: 32 mm.
4. Avoid CO
2
pipes contact with other conducts or pipes.
5. Avoid installation in corrosive environment.
CDU connection Diameter Material Thickness [mm] MWP [bar]
Discharge pipe only 1/4” (6,35 mm) Hard copper 1 245
Both (discharge and suction pipe) 3/8” (9,52 mm)
K65 0.65 120
Hard copper 1 155
Pipe slope
> 0°
OIL RETURN
Unit cooler
CDU
Suction pipe Suction pipe
Refrigerant
discharge pipe
Refrigerant
discharge pipe
Thermal insulation
material
Thermal insulation
material
INCORRECT CORRECT
6.1. Piping connection
Unit cooler
Condensing unit
Electronic
expansion valve
Thermal insulation
covering the entire
length of tubing
Le
ss
than
5m
Siphon
every 5m
R
efri
ge
ra
nt
fluid
Su
ct
io
n tube
Condensing unit
Thermal insulation
covering the entire
length of tubing
Le
ss
than
10m
Unit cooler
Solenoid
Valve
Su
ct
io
n tube
R
efri
ge
ra
nt
fluid
Solenoid
valve
Electronic
expansion valve