Kospel EKCO.R2 Gebrauchsanweisung
Assembly and operating manual
Electric Central Heating Flow Boiler
EKCO.R2
2
This appliance may be used by children at the min. age of 8 years and by
persons with reduced physical, sensory or mental capabilities or lack of
experience and knowledge about the product, provided that they have been
given supervision or instruction concerning safe usage of the appliance
and that they are aware of potential dangers that might result from usage
of the appliance. Children should not play with the device. Children without
supervision should not complete any cleaning nor maintenance procedures.
3
GB-049A_f.
1. Read and strictly follow the installation and operating instructions to ensure a long
life and reliable boiler operation.
2. An efcient electrical installation which has been completed in accordance with the
binding norms of electric installation.
3. A wet central heating system equipped with appropriate expansion vessel made
according to the binding norms of hydraulic installation – closed system.
4. A wet central heating system must be ushed before boiler installation.
5. Do not install any barrier ttings (e.g. valves) on the outlet of the safety valve.
6. Its recommended for CH with thermostatic radiator valves to apply the differential
pressure relief valve (bypass). It allows the system to keep minimal ow of medium
through the boiler and reduces a noises in installation during the thermostatic valves
closing. The valve must be installed in by- pass conduit (before the boiler) according
to manufacturer’s instruction.
7. Boiler must not be installed in a humid place or in a place exposed to the danger
of explosion.
8. Boiler installation and all electrical and hydraulic work must be performed by
a qualied professional installer only.
9. All installation work must be performed when the power and water supply is cut off.
10. Electric installation should be equipped with residual current protective devices
and other solutions which will ensure disconnecting the heater from the source of
power (intervals between all their poles should not be less than 3 mm).
11. Do not drain the water from central heating system after the heating season.
12. Leave the controller in stand-by mode and do not cut off power supply between the
heating seasons.
Safety instructions
4
1. Hang the boiler up in a vertical position
on xing screws with the inlet and
outlet pipes to the bottom, maintaining
clearances from the walls and the
ceiling according to the gure.
2. Connect the boiler to the central
heating system equipped with cut-off
valves.
3. Fill the central heating system with
a treated water or ERGOLID uid that
substantially extends the life of the
heating elements.
4. Vent the central heating system.
5. Connect a boiler to the electrical
system.
6. Fix the room thermostat, in accordance
with manual instruction.
7. Connect the room thermostat (by using
two wires 2 x 0,35 mm2) to the NA entry
(„Connection of external appliances on
page 6”).
8. Once you have nished the above
procedures, you can start the boiler.
See the „start-up” section.
!
While applying a thermostat make sure there is no voltage on its exit!
Do not connect any voltage into NA entry! This can result in permanent
controller damage.
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Return Inlet Flow Outlet
Return Inlet Flow Outlet
Installation
5
GB-049A_f.
Boiler connection to the central heating system
PI - manometer
ZK - cut-off valve
F - magnetic lter
RW - expansion pipe
NW - expansion vessel
ZT - thermostatic valve
ZP - passage valve
G - radiator
RTP - room programmed thermostat
ZU - differential pressure relief
valve (bypass)
A magnetic lter must be installed on return pipe of central heating
installation system (before boiler inlet). The lter must be installed
in horizontal position, accordingly to ow direction (see arrow on the
lter body), with the magnetic insert chamber to the bottom.
Connection to the three-phase electrical system .
PNL - points of neutral and protective conductor
connection
PF - points of phase conductors connection
[1] - temperature limiter
Connection to the single phase electrical system (for
boilers of 4kW,6kW)
PNL - connection points of neutral, protective and
phase conductors
[1] - temperature limiter
[2] - additional conductors (for single phase
system only)
N
L
1
1
2
2
N
L
1
1
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6
Room thermostat (NA entry) – when the voltage
free contact gets opened the boiler will stop heating.
The entry is responsible for boiler control depending
on the room temperature.
Connection of external appliances
NA QTwej Twyj ZM
◦
◦Termostat
pokojowy
Room
thermostat
1. Disconnect the at multi-conductor cable from ZM
entry of controller.
2. Switch the boiler on (button 1)
3. Connect the NA contacts
4. Set the temp. on max.
5. Make sure that a proper ow through the boiler is
reached („4” indicator is on with a constant light).
The pump should self vent after a short period of
running. if necessary assist the venting process in
the following way;
• close the cut-off valve on the outlet,
• set the pump on the highest gear,
• undo carefully the vent plug on the pump,
• after 15-30 s. do the vent plug up,
• open the cut off plug,
6. Switch the boiler off (button 1), connect the at multi- conductor cable into ZM entry
of controller
7. Connect the programmed room thermostat or connect the NA contacts.
8. Switch the boiler on (button 1).
9. Set the temperature of the medium at required temperature.
Start up
7
GB-049A_f.
Press [1] to switch the boiler on or off. When indicator [3] is on the boiler is working.
After switching the boiler off the circulation pump will still operate for 90 sec. When the
indicator [4] ickers and the button [1] is on it means that the boiler haven’t achieved
required ow level. To start economy mode press button [2] (indicator [5] is on). It limits
the power of boiler, the unit heats with 2/3 of nominal power. Indicator [4] indicates that
the boiler is heating.
When the indicator [4] ickers it means that the boiler haven’t achieved required ow
level and the heating is off. To set the temperature press [7] or [8] button.
The display [6] shows the current setting of outlet temperature. When the indicator ick-
ers it means that the temp. is 2,5°C below of temp. that shows other indicators.
Flashing indicator [3] sygnalizes defect of master’s appliance connecting installation
(open NA jumper).
[1] - boiler „on” button
[2] - economy mode button
[3] - boiler „on” indicator
[4] - heating „on” indicator
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[5] - economy mode „on” indicator
[6] - temperature setting indicator
[7] - increase temp.
[8] - decrease temp.
Control panel
8
In case, the boiler does not work properly after the above checks and none of the failures
is present, contact an authorised serviceman.
EKCO.R2 has two operating mode of the pump (constant and automatic).
To set the automatic mode (pump is „off” when the room thermostat switch off the boiler
heating operation) press [1] to switch off the boiler then press and hold [2]. A temperature
setting display [6] will start to icker after a few seconds which indicate the switching
pump mode for automatic mode.
If the temp. setting display [6] doesn’t icker (constant light) it indicates that the automatic
mode of pump is off. Repeat the procedure to change a pump mode.
symptom reason action
Indicators on the
front panel do not
light up
no power supply for the
boiler
Check parameters of the
power network and fuses.
Contact your local authorised
service.
the indicator [4]
(red) is ickering
the indicator [3]
is on
The pump is blocked
Unblock the pump by unscrew
the screw located on housing
and move the pump rotor
manually
Medium does not circulate
through the boiler – the
boiler is blocked
Too much air in the central
heating system, vent the
installation, the pump and the
boiler
Check patency of central heating
installation, clean the lter
A failure of pump's power
supply
Contact your local authorised
service
A failure of pump or ow
sensor
Contact your local authorised
service
The indicator [6] is
ickering
A failure of outlet temp.
sensor, the heating operation
is blocked
Contact your local authorised
service
Operating mode of the pump
Failures
9
Max.pressure MPa 0,3
Min.pressure MPa 0,05
Outowing water temp. °C 35 ÷ 85
Max. water temp. °C 100
Overall dimensions (height x width x depth) mm 660 x 380 x 175
Weight kg ~18
Water connection G 3/4"
Safety class IP 22
Technical data
10
Rated power kW 4 6 8 4 6 8
Rated voltage 220V~ 380V 3N~
Rated current A 18,3 27,4 36,4 3x6,1 3x9,1
3x12,2
Fuse rated current A 25 32 40 10 16
Min. connecting wires section mm23x2,5 3x4 3x6 5x1,5
Max. connecting wires section mm23x16 5x16
The maximum allowed network impedance Ω 0,27 0,17 0,15 0,27
Rated power kW 12 15 18 21 24
Rated voltage 380V 3N~
Rated current A 3x18,3 3x22,8 3x27,4 3x31,9 3x35,6
Fuse rated current A 20 25 32 40
Min. connecting wires section mm25 x 2,5 5 x 4 5 x 6
Max. connecting wires section mm25 x 16
The maximum allowed network impedance Ω 0,27 0,22 0,13
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