Technical data

Electrical Installation 6.16
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6.16 Legend LA 12TR - LA 16TR
A1 Wire jumper: The jumper must be removed for external control (via floating contact)
or the use of a dew point monitor (via floating contact).
B3* Hot water thermostat
B5
Control thermostat for supplementary heating
E3
Defrost end controller
E4 Nozzle ring heater
E10
2. 2 heat generator
F1
Control fuse
F4 High-pressure switch
F5
Low-pressure switch
F17 Safety temperature limiter - supplementary heating
F23
Thermal contact for ventilator
H1**
Indicator lamp, ready for operation
K1
Contactor for compressor
K2 Contactor, ventilator
K20
Contactor for 2nd heat generator
K24 Relay for hot water request
M1 Compressor
M2
Ventilator
M13 Heat circulating pump
N5* Dew point monitor
N7
Soft starter
N10 Remote control
N12
Control PCB
N13* Switching assembly, hot water
R1 External sensor
R2
Return flow sensor
R7 Coding resistor
R10*
Humidity sensor
R12 Flow sensor for cooling operation (water)
R14**
Setpoint potentiometer
R15 Flow sensor
S1** Control switch HP ON/OFF
S2**
Changeover switch HEATING/COOLING
X1
Terminal strip for mains 3~/N/PE - 400 V AC / 50 Hz
X2 Terminal strip for external components
X5
Terminal strip for internal wiring
Y1
Four-way reversing valve, heating/cooling
Y5* Three-way reversing valve for DHW preparation
* Components to be supplied from external sources
** Components are in the remote control