Connecting a high efficiency pump
NOTICE
According to 2012/622/EU external, wet running circulating pumps must comply
with the following limit values of the Energy Efficiency Index (EEI):
- Effective from 01.01.2013: wet running circulating pumps with EEI ≤ 0.27
- Effective from 01.08.2015: wet running circulating pumps with EEI ≤ 0.23
Pumps which do not comply with this EEI are referred to as squirrel cage
standard pumps and were distributed until the end of 2012.
If a high efficiency pump with additional control unit is used as a store loading pump,
this must be connected according to the following connection diagram:
CAUTION
When using a high efficiency pump without additional control unit on the speed-
controlled pump output of the core module:
Malfunctions of the boiler, the pump and the hydraulic system may occur!
Therefore:
❒ EC motor pumps must not be connected to speed-controlled pump outputs
without additional control signal
➥ When using the S3 Turbo firewood boiler in conjunction with the “S-Tronic
Lambda” controller, the wiring diagram above must be followed for using a
high efficiency pump with control line.
3
Assembly
Power connection and wiring
66 Froling GesmbH | A-4710 Grieskirchen | www.froeling.com
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