Hitachi YUTAKI S80 Serie Manual De Instalación Y Funcionamiento página 62

6.3.2 LED indication
Name Colour
LED1 Green
LED2 Red
LED3 Red
LED4 Yellow
LED5 Green
LED6 Yellow
LED7 Yellow
6.4 Terminal board connections
6.4.1 Table board 1
Main power supply
◆
The main power supply connection is wired to the Terminal board (TB1) as follows:
Earth
Earth
PMEN0648 rev.0 - 03/2023
Heat pump operation (Thermo ON/OFF)
Alarm (flickering with 1 sec interval)
H‑LINK transmission for unit controller
Operating Line
Outdoor unit
(Twisted shielded pair cable or
RAS‑WHVNPE
shielded pair cable)
DC5V
x
(Non‑Pole Transmission, H‑LINK
system)
x
YUTAKI S80
Indication
Power indication
Power indication
Not used
H‑LINK transmission
Outdoor unit
RAS‑WHNPE
x
Earth
x
YUTAKI S80
Earth
6
Operating Line
(Twisted shielded pair
cable or shielded pair
cable)
DC5V (Non‑Pole
Transmission, H‑LINK
system)
53