Hitachi YUTAKI Serie Installations- Und Betriebshandbuch Seite 100

REFRIGERANT AND WATER PIPING

Water piping size
YUTAKI S
Space heating pipes connection
Model
Inlet
connection
(2.0-3.0)HP G 1" (female)
G 1-1/4"
(4.0-10.0)HP
(female)
YUTAKI S COMBI
Space heating connection
Model
Inlet
connection
G 1"
(2.0-3.0)HP
(female)
G 1-1/4"
(4.0-6.0)HP
(female)
(*): Only for models for solar combination.
(**): Only for models for UK market
YUTAKI S80 indoor unit
Type 1: Version for operation in DHW but with a remote tank (RWH-(4.0-6.0)(V)NFE)
Space heating connection
Model
Inlet
connection
G 1-1/4"
(4.0-6.0)HP
(female)
Type 2: Version for operation with an HITACHI DHW tank (RWH-(4.0-6.0)(V)NFWE)
Space heating connection
Model
Inlet
connection
G 1-1/4"
(4.0-6.0)HP
(female)
(Heating coil inlet connection)
88 PMML0335A rev.1 - 04/2016
(inches)
Outlet
Shut-off valves
connection
G 1" (male) -
G 1" (female)
G 1" (male)
G 1-1/4" G 1-1/4" (male) -
(female) G 1-1/4" (male)
Outlet Shut-off
connection valves
G 1" G 1" (male) -
(female) G 1" (male)
G 1-1/4" G 1-1/4" (male) -
(female) G 1-1/4" (male)
(inches)
Outlet
Shut-off valves
connection
G 1-1/4" G 1-1/4" (male) -
(female) G 1-1/4" (male)
Outlet
Shut-off valves
connection
G 1-1/4" G 1-1/4" (male) -
(female) G 1-1/4" (male)
3-way valve
DHW connection
Inlet Outlet
connection connection
relief valve (**)
G 3/4" G 3/4"
(female) (female)
G 3/4" G 3/4"
(female) (female)
Heating coil connection
Inlet connection Outlet connection
(3-way valve)
G 1"
(female)
T-branch
(Heating coil outlet connection)
(indoor unit water outlet)
Solar connection (*)
Pression and
Inlet
temperature
connection
G 1/2"
Ø15 mm
(female)
G 1/2"
Ø15 mm
(female)
(inches)
(T-branch)
G 1"
(female)
Space heating outlet
(indoor unit water inlet)
Space heating inlet
(inches)
Outlet
connection
G 1/2"
(female)
G 1/2"
(female)