Hitachi YUTAKI Series - Page 64

Electrical wiring
Service Manual
62
Accessories electrical installation
SMGB0066 rev.0 - 12/2009
¡
Control EH cable
Power cable
Detail D
Internal Wiring Connection
¡
2
10
9
-
+
3
Test
Anode-Control
OK
8
5
1-4
2
3
7
6
In order to protect the inside of the vessel from corrosion all the enamelled DHWT can be equipped whit a cathodic
protectionunit,comprisingmagnesiumsacriceanodes,chargegaugesandwiringofconnection.
Itbasicallycomprisesamagnesiumanode(1)mountedonthestoragetank’sconnectionplate(2),connectedtotheexternal
anode load measured (3) which allow to know the anode consumption rate without having to dismantle it.