Froling T4e - 2.2.2.1 Connecting a circulating pump to the hydraulic module

Power connection and wiring | 2
B1820023_en | Service handbook Lambdatronic H 3200 - T4e 17
Fuses
F1 6.3 AT
HY-14, HY-15
Connecting a circulating pump to the hydraulic module
High efficiency pump with control line (PWM / 0-10V)
On high efficiency pumps with an additional wired control line, the speed control is implemented via the
additional connection for the PDM or 0-10V signal.
FRHYU22
PWM
0-10V
N
AO-P1
Pumpe 1Netz
PE L N PE L L
r Connect the power supply for the high efficiency pump to output “Pump 1” or “Pump 2” and use the relay
output for phase (L)
r Connect the PWM cable of the high efficiency pump to the corresponding port “AO-P1” or “AO-P2”
Ä Make sure that the cables are configured correctly (polarity) in accordance with the connection diagram of
the pump!
r Set control of the pump in the relevant menu to “Field pump / PWM” or “Field pump / 0-10V”