Toshiba HWS-G2601ENXR-E - Schematic

Domestic Hot Water Heat Pump Service Manual
10
4.2 Schematic
= Schematic shows all available options connected to the DHWHP PCB. In reality it is not possible to connect the solar thermal panel / circuit at the same time as the underfloor heating circuit. It is only possible to connect one of these options to the DHWHP at any one time = Schematic shows all available options connected to the DHWHP PCB. These options are only available with the deluxe model DHWHP units only.
BLU
B (D-)
L
N
L
N
0V
0V
L
L
0V
0~10V
Input
BT3
EB1
0V
0V
0V
FM
BT2
BT1
0V
0V
L
N
PE
230VAC ~ 50Hz
0V
A (D+)
0V BLU
0~10V PWM
YEL
High pressure switch.
Compressor STOP when
Pd ≥ 2.0MPa
Solenoid valve.
Solenoid ON for 2 min
before compressor
starts and during
system defrost
BRN
BLK
N
BLU
BLK
BRN
BRN
BLU
#1
Energy Meter
Communication to
/ from power grid
SG2
SG1
0V
0V
#2
#2
Modbus
communication
Inverter
#2
Solar
PV
BT4
#1
#1
#2
BT5
Under floor
heating
or
Cooling
Room
temperature
Under floor heating circuit
#2
Solar
Thermal
BT5
#1