Technical data

6.25
46
6.25 Legend SI 20TR
A1 Wire jumper, must be removed if external control or a dew point monitor are used
B3* Hot water thermostat
F1 Control fuse
F4
High-pressure switch
F5 Low-pressure switch
H1 Indicator lamp, ready for operation
K1 Contactor for compressor
K1.1
Contactor for starting current limiter from M1
K24 Relay, request for hot water
M1 Compressor
M11
Primary circulating pump (brine)
M13 Heat circulating pump
N5* Dew point monitor
N7
Soft starter
N12 Control PCB
N13*
Switching assembly, hot water
R2
Return flow sensor
R6 Flow temperature limit sensor (brine)
R7
Coding resistor
R8 Flow sensor for cooling operation (water)
R10*
Humidity sensor
R11 Flow sensor
R14
Setpoint potentiometer
S1
Control switch HP ON/OFF
S2 Changeover switch HEATING/COOLING
X1 Terminal strip for power supply L/N/PE-230 V AC- 50Hz/external components
X2
Terminal strip for internal wiring
Y1
Four-way reversing valve, heating/cooling
Y5* Three-way reversing valve for domestic hot water preparation
* Components to be supplied from external sources