Nibe ELK 213 Benutzerhandbuch
Installer manual ELK 213
LEK
Immersion heater
IHB GB 1535-3
031403
General
NIBE ELK 213 is an electric heater intended for heating
buildings and indirect heating of domestic hot water.
ELK 213 can also be mounted together with a boiler,
accumulator tank or heat pump. When installing to-
gether with, for example, a heat pump, the electric
heater is engaged automatically as supplementary
heating when the heating demand is greater than the
heat pump's capacity.
ELK 213 contains overheat protection and contactors
for external control of the four power groups, 7, 9, 11
and 13 kW Thermostat for the immersion heater and
isolator switch is operated by knob on the front of the
control panel.
The stainless steel electric coils and electric boiler tube
in ELK 213are made of stainless steel (SIS 2333), which
gives a very good service life.
ELK 213 is equipped with a time relay. Time delay is
recommended according to the Swedish Power Asso-
ciation standards when connected power exceeds 6
kW.
Compatible products
Connection is different depending on which product
ELK 213 is to be used with.
These products can be connected directly to ELK 213:
■F1345
■SMO 20
■SMO 40
These products require the accessory AXC 40:
■F1145
■F1155
Contents
Immersion heater1 x
Assembly
The electric heater must be installed upright (see image
below).
Free space of 200 mm in front and 500 mm above the
cassette is required for service. If this is not possible,
detachable connections must be used.
200
500
Immersion heaterChapter 1 | English, IHB - ELK 2132
1 English, IHB - ELK 213
Component positions
123456789NI
N1
N2
L1
L2
L3
QA3
QA2QA1
X8
KF1
X1
SF1
FA1
BT35
FD1
XL1
XL2
EB1
PF3
XL10
*
Component list
Immersion heaterEB1
Thermostat 3-poleBT35
Miniature circuit-breakerFA1
Temperature limiterFD1
Time relayKF1
Serial number platePF3
Contactor (-K10)QA1
Contactor (-K22)QA2
Contactor (-K21)QA3
SwitchSF1
Terminal blockX1
Terminal blockX8
Connection supply line, R50XL1
Connection return line, R50XL2
Drain connection R20XL10
* Counter flanges, R50. Accessory needed. See section "Accessories" on page 14 for more information.
3Chapter 1 | English, IHB - ELK 213Immersion heater
Front panel
SF1
FA1
BT35
FD1
NOTE
The switch (SF1) must not be put in "
D
a
y
15
12
24
21
618
R
3
9
15
ON OF F
" mode
before the boiler water has been filled. The
overheat protection, thermostat and the im-
mersion heater could be damaged.
Functions on the front panel
Switch
with 3 positions 0 -
D
a
y
15
12
24
21
618
R
3
9
15
ON OF F
-
D
a
y
15
12
24
21
618
R
3
9
15
ON OF F
:
SF1
Electric heater off (immersion heater and
any connected devices not in operation).
0
Any circulation pump in operation.
D
a
y
15
12
24
21
618
R
3
9
15
ON OF F
Immersion heater operating (immersion
heater and any connected devices in opera-
tion).
D
a
y
15
12
24
21
618
R
3
9
15
ON OF F
Immersion heater thermostat
This thermostat controls the immersion heaters.
BT35
Miniature circuit-breaker
Reset a tripped miniature circuit breaker by
pushing the button.
FA1
Overheat protection
Reset overheat protection by pushing the but-
ton. The fault must be rectified before doing this,
see section “Troubleshooting" on page 14.
FD1
Immersion heaterChapter 1 | English, IHB - ELK 2134
Pipe connections
General
Pipe installation must be carried out in accordance with
current norms and directives.
ELK 213 can be installed as a freestanding electric
boiler or as an electric heater with another heat source.
Tapping valve
If a drain valve is necessary, it can be installed in the
water heater's drain connection XL10). This connection
can also be used as a circulation pump connection. The
connection is plugged upon delivery.
Circulation pump
A circulation pump must be used to ensure the flow
over the immersion heater. If the heating system valves
can close the circulation completely, a bypass valve
must be installed so that the flow through the electric
heater does not stop. For a closed boiler installation, a
pressure expansion valve must be installed.
Safety valve
In closed boiler installations, the safety valves must be
installed in connection with the highest part of the
electric heater, but not directly on the heater. The
connection line must rise continuously.
The safety valve must be "exercised" regularly, at least
four times a year.
Pressure drop diagram
Flow
kPa
l/h
0
1
0,5
1,5
2
0 500 1000 1500 2000 2500
Pressure drop
Flow (l/h)
(kPa)
NOTE
The pipe work must be flushed before the
electric heater is connected, so that any con-
taminants do not damage the component
parts.
5Chapter 1 | English, IHB - ELK 213Immersion heater
System diagram
TIP
See www.nibe.eu for complete docking prin-
ciples.
NOTE
This is the outline diagram. Actual installations
must be planned according to applicable
standards.
Explanation
Electric heater ELK 213EB1
Pressure gaugeBP5
Expansion vesselCM4
Safety valveFL2
Circulation pumpGP10
Shut off valvesQM40 - QM41
Shunt valveQN11
Non-return valveRM5
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
System diagram
ELK 213 as electric heater
-RM5
Värmepump/
Inomhusmodul
-GP10 -QM41
-BT25
-QM40
-FL2
-CM4
-EB1
P
-BP5
Heat pump/
Indoor module
ELK 213 as freestanding boiler
-GP10 -QM41
-QM40
-FL2
-CM4
-EB1
P
-BP5
Immersion heaterChapter 1 | English, IHB - ELK 2136
Installation alternative
Accumulator tank (SP 300)
In the event of large hot water demands, ELK 213, in-
stalled on double-jacket accumulator tank type, can
be used to heat the domestic hot water. This is also a
good solution for aggressive or hard water. This install-
ation requires accessories. See section "Accessories" on
page 14.
Recommended thermostat setting: 75 °C
Explanation
Expansion vesselCM4
SP 300CP1
ELK 213EB1
Safety valve, heating medium sideFL2
Mixer valve, external heat sourceFQ2
Designations in component locations according to
standard IEC 81346-1 and 81346-2.
-CP1
-EB1
-FL2
-FQ2
-CM4
7Chapter 1 | English, IHB - ELK 213Immersion heater
Boiler with internal water heater
Explanation
With the immersion heater installed on an existing boiler,
the existing control equipment is used.
Install the electric heater so that external heating does not
cause overheating, for example, in front of the firebox door
(to prevent flames blowing out) or next to the flue pipe (to
prevent damaging heat radiation). A suitable location is
normally at the side of the boiler, directly on the double
jacketed heater’s flanges or similar location.
When the electric heater is installed on the existing wood
boiler and is solely responsible for the heating demand, the
flue should be sealed.
Pressure gaugeBP5
Expansion vesselCM4
ELK 213EB1
Oil/gas boilerEM1
Safety valve, hot waterFL1
Safety valve, heating medium sideFL2
Mixing valveFQ1
Circulation pump, boilerGP4
Circulation pump, heating medium extern-
al
GP10
Tapping valveQM4
Shut-off valveQM40 - QM44
Shunt valveQN11
Non-return valveRM1
Designations in component locations according to standard
IEC 81346-1 and 81346-2.
-EM1 -QM43-GP4
-GP10
-QM44
-QM40 -QM41 -QM42-QM4 -RM1
-CM4
-FL1
-EB1
-FQ1
-FL2
P
-BP5
-QN11
Immersion heaterChapter 1 | English, IHB - ELK 2138
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