E-
22
Field-supplied electrical components such as power switch, circuit breakers, wires, terminal blocks,
etc must be properly chosen with compliance with national legislation or regulation.
Switch off the power supply before making any connections.
All field wiring and components must be installed by a licensed electrician.
Use a dedicated power supply.
All power connections must be protected from dew condensation by thermal insulation.
The system shall be earthed. Do not earth the unit to a utility pipe, surge absorber or telephone
earth. Incomplete earth may cause electrical problems.
Layout of PCB
Thermostat(DI)
CN85(White)
Backup Heater
CN 71 (Yellow)
Back-up
boiler (DO)
CN 74 (Black)
2-Way valve
CN 76 (Red)
3-Way diverting
valve CN 77 (White)
Solar pump (DI)
CN 36 (White)
DHW tank temp.
(Default, 15m)
CN 53 (Red)
External room
temp.
(Optional, 15m)
CN 55 (White)
Wired
remote
controller
COMM2
CN 32 (Red)
SMPS circuit
Micom
LED
Communication
Load control
Fuse
EEV
CN 62 (Blue)
Flow switch
CN 51 (Blue)
COMM1
CN 31 (Red)
AC Power
CN 01 (Blue)
Wiring work
LED & Buzzer
CN 01 (White)
CN 02
(White)
Water pump
CN 75 (Red)
Booster heater (DO)
CN 73 (Yellow)
Download port
CN10 (black)
Thermostat AC-Power
CN84(Blue)
Solar temp.
CN52(Black)
Temp. Sensor
CN 54 (White)
1-2 : Water outlet ( TW3 )
3-4 : PIPE OUT ( TR2 )
5-6 : PIPE IN ( TR1 )
7-8 : PHE outlet ( TW2 )
9-10 : Water inlet( TW1 )
NH080PHXEAHydro unit_IM_E 32659-1.indd 22
2010-08-04 ソタタ・9:34:07