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)
PDM
not
in use
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
in use
PDM
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
Power connection and wiring
2
Connection information according to pump types
Service manual Lambdatronic H 3200 for wood chip boiler | B1480721_en
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