8 Refrigerant and water piping
Space heating and DHW
TCGB0123 rev.2 - 10/2019
101
8
YUTAKI S / YUTAKI M
Type Nº Part name
Piping
connections
1 Water inlet (Space heating)
2 Water outlet (Space heating)
3 Heating coil inlet
4 Heating coil outlet
5 Water inlet (DHW)
6 Water outlet (DHW)
Factory
supplied
7
Shut-off valve (factory-supplied)
(Field-supplied for YUTAKI M
series)
Accessories
8
Domestic hot water tank
DHWT-(200/300)S-3.0H2E
accessory
9
3-way valve
(ATW-3WV-01 accessory)
Field supplied
10 T-branch
11 Heating coil pipes
YUTAKI S and YUTAKI M are not factory-supplied ready for DHW operation, but they can be used for the production of
DHW if the following elements are installed:
• A domestic hot water tank (DHWT-(200/260)S-3.0H2E accessory) (8) has to be installed in combination with the
indoor unit.
• A 3-way valve (ATW-3WV-01 accessory) (9) must be connected at one point of the water outlet pipe of the
installation.
• A T-branch (eld supplied) (10) must be connected at one point of the water inlet pipe of the installation.
• Two water pipes (eld supplied) (11). One pipe between 3-way valve and the heating coil inlet (3) of the DHW tank,
the other one between the T-branch and the heating coil outlet (4) of the DHW tank.
YUTAKI S COMBI
YUTAKI S COMBI is factory-supplied ready for DHW operation (Fitted with DHW tank and 3-way valve). Only the
"Common" elements are required.