Froling Lambdatronic H 3200 Service Handbook

Power connection and wiring | 2
B1820023_en | Service handbook Lambdatronic H 3200 - T4e 33
2.4 Connection information according to pump types
Either a 2-pin, 3-pin, or 4-pin control cable is used for the connection depending on the pump type. Please
follow the connection instructions below for the wiring depending on the pump type used:
Pump type with 2-pin control cable
Power supply 2-pin control cable
(brown) L
(blue) N
(yellow/green) PE
(blue)
(brown)
Wire the power supply to the pump outlet on the board Connect the control cable to the PDM output on the board,
making sure that the polarity is correct:
- blue wire to earth
- brown wire to plus
Pump type with 3-pin control cable
Power supply 3-pin control cable
(brown) L
(blue) N
(yellow/green) PE
(blue)
(brown)
(black)
PWM
not
used
Wire the power supply to the pump outlet on the board Connect the control cable to the PDM output on the board,
making sure that the polarity is correct:
- blue wire to earth
- brown wire to plus
Do not use the black wire and insulate if necessary
Pump type with 4-pin control cable
Power supply 4-pin control cable
(brown) L
(blue) N
(yellow/green) PE
(blue)
(brown)
(black)
(white)
not
used
PWM
Wire the power supply to the pump outlet on the board Connect the control cable to the PDM output on the board,
making sure that the polarity is correct:
- brown wire to earth
- white wire to plus
Do not use the other two wires (blue, black) and insulate

Froling Lambdatronic H 3200 Specifications

General

Brand	Froling
Model	Lambdatronic H 3200
Category	Boiler
Language	English