ENGLISH
Flexible water pipe kit (ATW-FWP-02) - For domestic hot water tank installed beside the indoor unit
For DHW tank beside the indoor unit (both right or left side), the heating coil pipes factory-supplied with the DHW tank accessory
are not required. In this case, the dedicated HITACHI exible water pipe kit (ATW-FWP-02 accessory) is needed. This kit is provided
with the following items:
- 4 exible water pipes:
2 pipes to connect to the indoor unit (3-way valve and T-branch)
2 pipes to connect to the heating coil inlet/outlet connections of the DHW tank accessory (DHWS(200/260)S-2.7H2E(-W)).
- 9 gaskets (2 gaskets for each exible water pipe end and 1 spare gasket).
- 3 extension cables (1 for the tank’s electric heater, 1 for the tank’s thermistor and 1 for the unit controller).
Extension
cables
Flexible water
pipes
Gaskets
It is necessary to identify the function of each water pipe.
Heating coil pipes for the indoor unit
Item Connection
~500 mm To connect to the 3-way valve heating coil inlet connection.
~400 mm To connect to the T-branch heating coil outlet connection.
Heating coil pipes for the DHW tank accessory
Item Connection
(1")
(x2)
360 mm
(1")
One pipe to connect to the heating coil inlet connection of the tank
accessory.
The other one to connect to the heating coil outlet connection of the tank
accessory.
YUTAKI M (R32)
(inches)
Model
Space heating pipes connection
Inlet connection Outlet connection
Shut-off valves
(Field-supplied)
2.0HP G 1” (female) G 1” (female)
G 1” (male) -
G 1” (male)
3.0HP G 1” (female) G 1” (female)
G 1” (male) -
G 1” (male)
YUTAKI M (R410A)
(inches)
Model
Space heating pipes connection
Inlet connection Outlet connection Shut-off valves
(4.0-6.0)HP G 1-1/4” (female) G 1-1/4” (female)
G 1-1/4” (male) -
G 1-1/4” (male)
REFRIGERANT AND WATER PIPING
PMML0510 rev.1 - 10/2019
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