Electrical Wiring Diagram - Hitachi DHWT Serie Manuel D'installation Et De Fonctionnement

1 Electrical wiring
13
13.3 WIRE SIZE
Recommended minimum sizes for field provided
Model Power Source
DHWT 1~ 230V 50Hz
N O T E
Follow local codes and regulations when selecting field wires, Circuit Breakers and Earth Leakage Breakers
Use the wires which are not lighter than de ordinary polychloroprene sheated flexible cord (code designation H05RN-F).

13.4 ELECTRICAL WIRING DIAGRAM

EH Control cable
Power
DHWT
cable
Sensor
(to system control unit)
Main
switch
18 PMML0198A-rev.1 - 04/2011
All manuals and user guides at all-guides.com
Power source
cable size
Max. Current
EN60 335-1
15A 2.5mm
2
ON/OFF AUTO MANUAL
EH control Sensor cable
cable size size
EN60 335-1 EN60 335-1
1mm 0.75mm
2 2
Mark
WT Regulating and Safety thermostat
Re Auxiliary Relay
SW1 Operating Mode switch
R 123 Electrical Heater
LD1 LED1: POWER ON
LD2 LED2: AUTO MODE ON
LD3 LED3: Electrical Heater Manual
TB Terminal Board
L/N/T Power supply
3/4 Control Heater Input
5/6 Electrical Heater Connection
T Domestic hot water sensor
DHWT
ELB
CB
(nº. poles/A/mA)
20A 2/40/30
Part Name