Emerson Liebert ICOM-DO Installation Manual Page 39

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Refrigerant Connections
33
Table 8 Condenser positioning
Condenser
Position
Condenser Above
Liebert CRV
Condenser and
Liebert CRV
at Same Level
Condenser Below
Liebert CRV
(Not Recommended)
Insulation
Discharge
Line
Indoor necessary necessary necessary
Outdoor only for aesthetic reasons only for aesthetic reasons only for aesthetic reasons
Liquid
Line
Indoor only for aesthetic reasons only for aesthetic reasons no (expose to cold under-floor air)
Outdoor only for aesthetic reasons only if exposed to sun only if exposed to sun
Layout
**See Table 9
Table 9 Liebert CRV position relative to the remote condenser
Parameter Maximum Distances, ft. (m)
From Liebert CRV to condenser 150 (46) equivalent length
From Liebert CRV to VFD condenser Above: 60 (18.3) Below: 15 (4.5)
From Liebert CRV to Liebert Lee-Temp condenser Above: 60 (18.3) Below: 0 (0)
Requirements
Oil traps on vertical line of gas refrigerant Every 15 (4.6)
20ft. (6m)
(See **)
Gas
Liquid
(*) Oil traps every 20ft. (6m)
of vertical piping
Room Unit
(See **)
Gas
Liquid
Room Unit
Liquid
Room Unit
(See**)
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