Electrical Wiring Between Indoor Unit And Dhw Tank - Hitachi YUTAKI S80 Series Installation And Operation Manual

ELECTRICAL WIRING

6.2 ELECTRICAL WIRING BETWEEN INDOOR UNIT AND DHW TANK

N O T E
Please, refer to the YUTAKI S80 indoor unit Installation and operation
indoor unit and DHW tank.

Factory supplied wire sizes
The supplied wires for the connection between the DHW tank and the indoor unit are already connected to the DHW tank. They are
located at the bottom front side of the tank fastened with clamps. The LCD electrical cable at the right and the electric heater and
thermistor cables at left.
Model Power supply
DHWS195S-2.0H1E
1~ 230V 50Hz
DHWS260S-2.0H1E

Extension cables (supplied with the ATW-FWP-01 accessory. Only for installation of the DHW tank
beside the indoor unit)
When the domestic hot water tank is installed beside the indoor unit, it is needed to extend the cables up to the terminal board 2 (TB2)
of the indoor unit, which is placed at certain distance from the tank. These cables are the following:
Model Power supply
DHWS195S-2.0H1E
1~ 230V 50Hz
DHWS260S-2.0H1E
22
Electric heater connection cable
Thermistor connection cable
Maximum
current
(A)
8.7
Extension cable for the electric heater
Extension cable for the thermistor
Extension cable for the LCD controller
Maximum current
(A)
8.7
PMML0291A rev.2 - 09/2014
manual, to know the specific protection for the combination of
LCD connection cable
LCD connection cable Electric heater connec-
size
EN60335-1
6 x 0.3 mm² x 1.8m
LCD extension cable
size
EN60335-1
6 x 0.3 mm² x 3.5m
24
}
25
14
Thermistor connection
tion cable size
EN60335-1
3 x 1.0 mm x 1.8m 2 x 0.5 mm
2
Electric heater exten- Thermistor extension
sion cable size
EN60335-1
3 x 1.0 mm x 3.5m
2
cable size
EN60335-1
x 2.0m
2
cable size
EN60335-1
2 x 0.5 mm x 3.5m
2