Fröling Lambdatronic P 3200, Руководство по обслуживанию

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Connecting an isolating valve to the hydraulic module
CAUTION! As of module version FRHYU22, one relay output is available at each of the pump outlets in addition
to the triac output. Observe the following connection diagrams for the correct wiring.
up to hydraulic module version FRHYU21 up to hydraulic module version FRHYU22
FRHYU21
N
Pumpe 1 Netz
P
E
L N P
E
L
FRHYU22
N
Pumpe 1 Netz
P
E
L N P
E
L L
❒ Hydraulic module FRHYU21: Phase (L) for switching the valve and connecting neutral conductor (N) to
output “Pump 1” or “Pump 2” with the RC element
❒ Hydraulic module FRHYU22: Phase (L) for switching the valve and connecting neutral conductor (N) to
output “Pump 1” or “Pump 2” using the relay output for phase (L)
❒ Connect the phase (L) for continuous supply (switches the valve back to the initial position) to the power
supply at terminal “L”
Power connection and wiring 2
Expansion modules
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 19