System description
Principle of operation
NIBE ELK 15 is an electric heater that is primarily intended
for installation together with a heat pump for heating
buildings.
ELK 15 contains overheat protection and contactors for ex-
ternal control of the two power groups 5.0 and 10.0 kW.
Time delay recommended in compliance with the Association
of Swedish Electricity Utilities norms (always apply national
regulations) when connected power output exceeds 6 kW.
The electric module is principally an immersion heater in-
stalled in a water container, or an electric boiler without do-
mestic hot water heater.
The stainless electric coils and electric boiler tube are made
from acid proof steel (SIS 2333), which gives a very long
service life.
Economical
A small water volume and a well insulated cassette mean
small heat losses.
Components
Shut-off valveAV
Non-return valveBV
Circulation pumpCP
Expansion vesselEXP
Flow line sensorFG
Return line sensorRG
Control valveRV
Safety valveSÄV
NOTE! This is an outline sketch. Actual installations must be
planned according to applicable standards.
See the relevant outline diagram for connection to the differ-
ent heat pumps.
System diagram
Additional heat from ELK 15 is controlled by the heat pump.
ELK 15
BV
RV
AV
AV
SÄV
EXP
CP
FG
RG
LEK
LEK
LE
K
ELK 15
3ELK 15
For Home Owners
System description
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