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Circuit diagram for connection of the boiler EK09K,EK12K, EK 15K to supply electrical net 3x230V/400V
Legend:
NTC OV -NTC sensor heating water
NTC OUT - NTC outside temperature sensor
NTC ROOM - NTC room temperature sensor
TER - room thermostat 24V
FLOOR - underfloor heating
nd
2.ST - external input lightening control 2 level
st
1.ST - external input lightening control 1 level
HDO -mass remote controlí
GSM - GSM modem
HT - emergency thermostat
TS -pressure switcher
TUV - service utility water (sanitary water)
KM1 -contactor
X1, X2 - switchboard
HV - main switcher
Č - pump
ZM - earthing bridge
PE - protective conductor
N - working” conductor
L -phase conductor
TT1 - heating element 1
TT2 - heating element 2
Remarks: clamps 24 V of the room thermostat ar
connected through from the factory
Connection TUV ZOV (sanitary water, storage water tank)
switchboard X2, clamps 2a, 8a.
control unit
mode relay
connection with control unit.
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