Fujitsu Waterstage WOYG112LCTA Maintenance Document page 19

Air to Water Heat Pump (Split integrated DHW type)
HP model
Outdoor unit connections
Refrigerant
connections
Hydraulic unit connections
* : without additional charge of R410A.
** : Taking into account the possible additional load of refrigerant R410A (see para.
L
HP
figure 20 - Connecting the flared connections (Pipe diameters and permissible lengths)
Installation and operating manual "1768 - EN"
Diameter
Minimum length (L)
Maximum length* (L)
Maximum length** (L)
Maxi level difference**(D)
Outdoor unit
HP
Liquid
valve
D
Gas
valve
Flare
alféa excellia duo Single phase & 3-phase
High Power single phase & 3-phase
gas
5/8"
(D1) 5/8"
5/8"
Flare nut
Flare
nut
"Liquid" refrigerant connection
Diameter D2
nut
liquid
3/8"
(D2) 3/8"
5
15
20
15
3/8"
"Additional charge", page 22).
Hydraulic unit
"Gas" refrigerant connection
Diameter D1
Flare nut
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