Space Heating And Dhw; Additional Hydraulic Necessary Elements For Space Heating; Additional Hydraulic Necessary Elements For Dhw; Type 1: Version For Operation In Dhw But With A Remote Tank - Hitachi YUTAKI S80 R410A Series Installation And Operation Manual

5.4

Space heating and DHW

!
DANGER
Do not connect the power supply to the indoor unit prior to filling the space heating and DHW
circuit with water and checking water pressure and the total absence of any water leakage.
5.4.5.1 Additional hydraulic necessary elements for space heating
5.5

Additional hydraulic necessary elements for DHW

5.5.1 TYPE 1: Version for operation in DHW but with a remote tank
PMEN0648 rev.0 - 03/2023
Type Nº
1 Water inlet (Space heating)
Piping
connections
2 Water outlet (Space heating)
Factory Shut-off valve (factory-supplied)
3
supplied (Field-supplied for YUTAKI M series)
Water check valve
Accessories 4
(ATW-WCV-01 accessory)
Field
5 Shut-off valve
supplied
Type Nº
1
2
Piping
3
connections
4
5
6
Factory
7
supplied
8
Accessories
9
10
Field
supplied
11
Part name
Part name
Water inlet (Space heating)
Water outlet
(Space heating)
Heating coil inlet
Heating coil outlet
Water inlet (DHW)
Water outlet (DHW)
Shut-off valve
(factory-supplied)(Field-
supplied for YUTAKI M series)
Domestic hot water tank
DHWT-(200/300)S-3.0H2E
accessory
3-way valve
(ATW-3WV-01 accessory)
T-branch
Heating coil pipes
5
36