Technical data

Electrical Installation 6.12
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6.12 Legend LA 6MR - LA 10MR
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).
A7.1
4 kW bridge - 2nd heat generator
A7.2 6 kW bridge - 2nd heat generator
B3* Hot water thermostat
B5
Control thermostat for supplementary heating
C1
Operating condenser - compressor
C3 Operating condenser, ventilator
E3 Defrost end controller
E4
Nozzle ring heater
E10 2. Heat generator (no bridge = 2 kW;
only A7.1 = 4 kW; A7.1 + A7.2 = 6 kW)
F1 Control fuse
F4
High-pressure switch
F5 Low-pressure switch
F17
Safety temperature limiter - 2nd heat generator
F23 Thermal contact for ventilator
H1** Indicator lamp, ready for operation
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 L/N/PE - 230 V AC / 50 Hz
X2 Terminal strip for external components
X3
Terminal strip - 2nd heat generator
X4 Terminal strip for compressor
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