Refrigerant Charge; Refrigerant Charge Amount; Refrigerant Charge Before Shipment (W (Kg)); Water Piping - Hitachi YUTAKI S COMBI Series Installation And Operation Manual

Model
1.5HP
2HP
2.5HP
3.0HP
5.2.3 Refrigerant charge
5.2.3.1 Refrigerant charge amount
The R32 refrigerant is factory charged in the outdoor unit with a refrigerant charge amount for 10 m
of piping length between outdoor and indoor unit.
5.2.3.2 Refrigerant charge before shipment (W
5.3

Water piping

5.3.1 Water piping size
Model
Inlet
connection
G 1"
(1.5-3.0)HP
(female)
(*): Only for models for UK market
PMEN0645 rev.0 - 04/2023
Gas pipe
-
-
Ø12.7→Ø15.88 (x2)
Ø12.7→Ø15.88 (x2)
Outdoor unit model
RAS-1.5WHVRP2E
RAS-2WHVRP2E
RAS-2.5WHVRP2E
RAS-3WHVRP2E
Space heating connection
Outlet
Shut-off valves
connection
G 1" G 1" (male) -
(female) G 1" (male)
Pipe adapter
Ø6.35→Ø9.52 (x2)
Ø6.35→Ø9.52 (x2)
(kg))
0
DHW connection
Inlet
connection
G 3/4"
(male)
Liquid pipe
-
-
W (kg)
0
1.1
1.1
1.3
1.3
(inches)
Pressure and
Outlet
temperature
connection
relief valve (*)
G 3/4"
Ø15 mm
(male)
5
23