references
Split refrigeration units and heat pumps
AIRDUO SK/CK - SK/CP
RECOMMENDATIONS
Outdoor unit top
Maximum equivalent length of the cooling line: 50 metres For longer lenghts an oil separator must be user
FOR THE COOLING CONNECTION
Outdoor unit bottom
Maximum equivalent length of the cooling line: 7 metres
SK outdoor unit
Maximum geometric height 40 m
L: liquid line G: gas line Siphon in gas line for every 3 metres of drop
L: liquid line G: gas line Siphon in gas line for every 3 metres of drop
CK indoor unit
L CK indoor unit
G
G L
SK outdoor unit
ADDITIONAL
LOAD OF
R-410A
1/4”
REFRIGERANT
Additional load per linear metre of piping for equivalent maximum lengths exceeding 7 metres:
Nominal diameter (inches) Interior section (cm2) Liquid line charge (g/m) Gas line charge (g/m)
3/8” 1/2” 5/8” 3/4” 7/8” 1” 1 1/8”
0.149
0.444
0.900
1.505
2.282
3.120
4.290
5.346
19.3
57.0
115.0
193.5
292.3
404.1
550.3
685.7
--
0.2
0.4
0.7
1.0
1.4
2.0
2.5
HEAT PUMPS - AIR CONDITIONING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 17.01 A
Maximum height 6 m