Assembly and connection

ES 5941Z

Terminal assignment, mains side

Abbreviations, sensor side

N

Neutral conductor

Earth

GND

L5

Recharging primary

Temperature of tank at top

T1O

Total fault message

L4

Zone valve cascade

Domestic hot water temperature secondary

TWW

L3

Return flow switch

Domestic cold water temperature

TKW

L2

Circulation pump

Primary flow temperature

TPV

L1

Primary pump

Circulation temperature

TBZ

L'

Contactor phase 230V AC

Primary return temperature

TPR

L

Mains phase 230V AC 50Hz

Temperature of tank at bottom

TU1

03/2024 Item no. 215790 EA no. 1321

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