High efficiency pump without control signal
It is not possible to control the speed when using this type of pump. The use of a line regulating valve (e.g.:
Setter balancing valve) is recommended.
FRKEM29
P
u
m
p
e
1
N
PE
L
LV
N
N
e
tz
PE
L
AO-P1
22 12
24 14
21 11
A2 A1
❒ Connect pump with relay and RC element isolated from the output
❒ In the relevant menu, set the pump control to “HE pump without control signal”
AC pump without control signal (pulse package control)
On older pumps without a control signal that are not highly efficient, the speed control is implemented via a
pulse package control. Please note that the minimum speed may need to be adjusted on some pumps (default
setting: 30%).
FRKEM29
P
u
m
p
e
1
N
PE
L
LV
N
N
e
tz
PE
L
AO-P1
❒ Connect pump to output “Pump 1” of the core module
❒ In the relevant menu, set the pump control to “Pump without control signal”
Power connection and wiring
2
Core module and connection options
Service manual Lambdatronic H 3200 for wood chip boiler | B1480721_en
11
