Liebert CR035 - 4.1.2 Pipe Diameter And Thickness

20 Chapter 4 Refrigeration Connections
Liebert.CRV Series Air Conditioner User Manual
Figure 4-2 Recommended pipe layout
The condenser positioning is given in Table 4-1.
Table 4-1 Condenser positioning
Item
Condenser positioning
Condenser above indoor unit
Condenser and indoor unit at
the same level
Condenser below indoor unit
(not recommended)
Insulation
Gas inlet Necessary Necessary Necessary
Gas outlet Only for aesthetic reasons Only for aesthetic reasons Only for aesthetic reasons
Liquid inlet Absolutely not Not necessary No (expose to cold underfloor air)
Liquid outlet
Only for aesthetic reasons Only if exposed to sun Only if exposed to sun
Layout
6m*
(See Table 1-5)
Note*: Oil traps every 6m of
vertical piping.
Indoor unit
Liquid
Gas
Indoor unit
Liquid
Gas
Indoor unit
(See Table 1-5)
Liquid
Gas
4.1.2 Pipe Diameter And Thickness
Warning
The diameters and thickness of the connecting pipes between the conditioner and the condensing unit listed in Table 4-2 must
be respected for safety reasons (we are managing the R410A refrigerant) and otherwise the guarantee becomes invalid.
2
1
3
4
5