fi gure 18 - Connecting the fl ared connections (Pipe diameters and permissible lengths)
HP model
alféa excellia duo Single phase & 3-phase
gas
fl uid
Outdoor unit connections
5/8"
3/8"
Refrigeration
connections
Diameter
(D1) 5/8"
(D2) 3/8"
Minimum length (L)
5
Maximum length* (L)
15
Maximum length** (L)
20
Maxi level difference**(D)
20
Hydraulic unit connections
5/8"
3/8"
*
: without additional charge of R410A.
** : Taking into account the possible additional load of refrigerant R410A (see para.
"Additional charge", page 21
).
D
L
HP
HP
“Gas” refrigeration connection
Diameter D1
"Liquid" refrigeration connection
Diameter D2
Flare nut
Flare nut
Flare
nut
Flare
nut
Liquid
valve
Gas
valve
Hydraulic unit
Outdoor unit
Installation and operating manual "1572 - EN"
Heat pump air/water split 2 services alféa excellia duo
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