Technical data

Electrical Installation 6.22
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6.22 Legend SI 12TR - SI 16TR
A1 Wire jumper, must be removed if external control or a dew point monitor are used
B3 Hot water thermostat
E10.1* Supplementary heating
F1 Control fuse
F4
High-pressure switch
F5 Low-pressure switch
H1 Indicator lamp, ready for operation
K1 Contactor for compressor
K8*
Contactor for supplementary heating
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