QuickTec EKCO.LN2 User manual

ELECTRIC CENTRAL HEATING FLOW BOILER
QuickTec GmbH · Bardelebenweg 25 · 14089 Berlin · Germany
Tel: +49 (0) 30 / 577 01 88 40 ·Fax: +49 (0) 30 / 577 01 88 49 · E-Mail: [email protected] · quick-tec.com

Used product can’t be treated as general communal waste. Disassembled appliance has
to be delivered to the collection point of electrical and electronic equipment for recycling.
Appropriate utilisation of used product prevents potential negative environmental inuences
that may occur as a result of inappropriate handling of waste. In order to get more detailed
information about recycling this product you should contact the local government unit, waste
management service or the shop where this product has been purchased.

3
GB-031AB/f.
Safety instructions
1. Read and strictly follow the installation and operating instructions to ensure a
long life and reliable boiler operation.
2. An efcient 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 binding norms of hydraulic installation.
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. Boiler must be installed on an even wall surface.
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
qualied professional installer.
9. All installation work must be performed when the power and water supply is
turned off.
10. EKCO.LN2 and EKCO.LN2...p model is equipped with a differential pressure
relief valve (bypass). It allows the system to keep minimal ow of heating medium
through the boiler and reduce noises in installation during the thermostatic valves
closing.
11. 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).
12. Boiler is pre-set by the manufacturer to work with the central heating system.
Change the factory settings („Extended Menu”) to boiler work with DHW Cylinder.
13. Do not drain the water from central heating system after the heating season.
14. Leave the controller in stand-by mode and do not cut off power supply between
the heating seasons.
This appliance is not intended for use by persons (including children) with reduced physical, sensory or
mental capabilities or lack of experience and knowledge, unless they have been given supervision or
instruction concerning use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.

4
Return Inlet Flow Outlet
Installation
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.
2. Connect the boiler to the central heating
system equipped with a cut-off valves.
3. Fill the central heating system with a treated
water 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 terminal of control
panel (RP entry).
8. Once you have nished the above procedures,
you can start the boiler. See the „Start-up” section.
While applying thermostat make sure there is no voltage on its entry!
Do not connect any voltage into RP, NA, WZ entries! This can result in perma-
nent controller damage.

!
N
L
1
2
N
L
1
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 and 8kW)
PNL - connection points of neutral, protective and
phase conductors
[1] - temperature limiter
[2] - additional conductors (for single phase
system only)
Important: 4, 6 and 8kW boilers are factory preset to work as single phase boilers.
If you intend to connect the boiler to a three-phase system, take off the [2] wire set.

5
GB-031AB/f.
1
1
EKCO.LN2...p
Boiler connection to the central heating system
EKCO.LN2 and EKCO.LN2...p model are equipped with an expansion vessel (capacity:
6l, pressure: 1,5 bar). The expansion vessel is sufcient for following capacities of the
heating system at given temperatures of the medium and central heating system pressure.
Shall the capacity of the wet central heating installation be larger, an extra expansion
vessel should be installed on it.
Temperature of heating medium
(feed and return)
Capacity of central
heating system
Pressure in central
heating system
[°C] [l] [bar]
85/70 58
1,5
70/55 79
55/45 103
50/40 115
45/35 128
PI - manometer
ZK - cut-off valve
RW - expansion pipe
NW - built-in expansion vessel (EKCO.LN2
and EKCO.LN2..p model)
ZT - thermostatic valve
ZP - passage valve
ZU - differential pressure relief valve - bypass
(EKCO.LN2 and EKCO.LN2..p model)
F - magnetic lter
G - radiator
RTP - room programmed thermostat
ZS - drain valve
ZTD - three-way valve
ZAS - DHW Cylinder
TZ - WE-019/01 sensor or cylinder thermostat

6
Room thermostat (RP 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. (room thermostat connection details – page 4, sub clause 7).
WE-019/01 Cylinder water temperature sensor (Tzas entry-refers to EKCO.LN2 and
EKCO.L2 model) – for connection details please, refer to the gure. If it is necessary,
you can extend the wires, however, please remember that the shorter the wires
the better. If the wire is too long there may occur disturbances and it may not work
properly. The wires should not run close to mains cables, they must not go around
other electric wires.
Important. To activate the sensor and DHW cylinder heating, please follow the in-
structions in section „ADVANCED SETTINGS”. Set up the temperature of heating
medium (50 - 85°C) and select „ti” as a way of temperature measurement in cylinder.
Connection of external appliances
blue
brown
black
or
Regulator
pokojowy
refers to EKCO.LN2 and EKCO.L2 boiler only
refers to EKCO.LN2 and EKCO.L2 boiler only
ZTD - connection point of three-way valve
Tzas - connection point of water temp. sensor (in
cylinder) or cylinder thermostat
A - master appliance
B - room thermostate Auraton 2005
C - 019/01 KOSPEL - water temp. sensor (in
cylinder)
D - cylinder thermostat
RP - room thermostat connection point
NA - master appliance connection point
back

7
GB-031AB/f.
DHW Cylinder thermostat (Tzas entry- refers to EKCO.LN2 and EKCO.L2 model) –
Kospel suggests to use the VCZMH6000E valve with the VC6013ZZ00 servo-motor. The
three-way valve control is performed by applying 230V on the brown wire or the black
wire (blue is the neutral wire). Voltage on the valve through the brown wire will switch the
valve to a position, where the pass between the „AB” inlet and the „B” outlet gets opened.
Shall voltage be passed to the black wire, the valve will get switched to the position in
which the channel between the „AB” inlet and the „A” outlet will be opened. The „AB”
inlet and the „A” and „B” outlets are marked on the valve An entry „B’’ is to supply the
central heating system and the entry „A’’ is to supply the cylinder. Important. To activate
the cylinder heating please follow the instructions in the „ADVANCED SETTINGS” sec-
tion. Set up the temperature of heating medium (50 - 85°C).
Master appliance (NA entry) – you can limit the power used, i.e. the boiler can be
switched off while another appliance consumes electricity. To do it, an electrician should
install in line an extra open contact to the NA entry (voltage free entry), so that when a
master appliance gets on, the contact will be opened the boiler switched off. When the
NA contact gets opened, heating will get off and the pump stopped. The EKCO.LN2
and EKCO.L2 model may also work as second boiler. If it is so, the master boiler by
opening the NA entry will stop heating of EKCO. However, the mode of the three-way
valve control stays on so a DHW cylinder is charged by the heat from the master boiler.
refers to EKCO.LN2 and EKCO.L2 boiler only
Special start-up procedure (when the system is lled with an antifreeze solution)
A ow rate reading error may occur if you start-up the unit at low ambient temperature.
This error may occur because the physical properties of antifreeze solution. If the H
indicator ickers and the cut-off valves are opened you have to close NA and RP contacts
which will automatically start the special start-up procedure. As a result, the medium will
be warmed up to temperature that enable you to read the ow rate correctly. The duration
of procedure depends on both the installation capacity and the temperature inside the
installation. When a control panel display shows selected parameters alternately and
marks („-”, „--”) it means that the procedure is started. The procedure will close auto-
matically and the unit will start normal operation once the minimal ow rate is reached.

8
Start up
LED
1
2
3
4
5
LED
1. Disconnect the NA contacts or detach
temperature regulator from the boiler.
2. Check if the appropriate system
installation pressure is reached (see
the „TECHNICAL DATA” section).
By using or buttons whilst
the control panel is off, the pressure
value will be displayed. When the
installation pressure is too low The
„A’’ indicator ickers (see „Operating’’
section). This doesn’t concern open
vented system installations.
3. Set the pump control to manual
mode, see the „Advanced settings”
section.
4. Switch the boiler on (press but-
ton).
5. Check the pump is set to the correct
mode (see table below). To do this,
press button for no more than 2
seconds. The LED’s should signal an
operating mode at the place pointed
by arrow.
6. If the LEDs are signaling a different
operating mode than recommended
in the table below, set the appropri-
ate mode according to the following
instructions: press button for
longer than 2 seconds, but less than
10 seconds (LED’s will start to ash),
the pump then switches to the set-
tings mode. LEDs glows to indicate
the current settings. To change the
settings of the pump in accordance
with the table below, you can set the
right combination of glowing LEDs by pressing the button. Once LED combi-
nation is set correct, by not pressing the button for 10 seconds the pump will
remember this setting and will exit from setting mode back to performance view.
Note: holding button for more than 10 seconds will enter the pump into
key lock mode. this prevents the user from altering the pump settings. To
remove the key lock the pump settings and allow the pump settings to be
changed, hold button again for more than 10 seconds.
7. Ensure adequate ow through the boiler is reached (the „H” indicator is on with
a constant light). The pump should self vent after a short period of running. if

9
GB-031AB/f.
Advanced settings
For advanced settings switch the control panel to standby mode (press and hold
button for 3 seconds) then press and hold the ,button, and press .
To select parameter press , or buttons enable you to change the value:
- boiler power - enter the power amount (kW) as indicated on identication label,
- working mode of pump – PA (automatic), Pr (manual – continuous duty of pump),
- max. quantity of active heating elements,
- Operating characteristic of boiler:
• (no) temperature control between 20 – 85°C,
• (Po) temperature control between 20 – 60°C (DHW settings are not available),
- temperature of medium in cylinder (switch on the DHW cylinder mode) – to start
this mode, set the medium temp. between 50 – 85°C, if you set temp. at 0°C it
will switch off DHW cylinder mode,
- temperature in cylinder measurement method,
• ti (internal) – water temp. in cylinder is measured by the WE-019/01 temp. sensor,
• Te (external) – external thermostat, the close/open contact is connected to
Tzas entry. If the DHW cylinder mode is inactive this parameter is unavailable,
- installation pressure sensor – active (1) or inactive (0), in the open installation the
sensor must be inactivated,
- number of boiler in cascade connection, setup at 0 enables independent boiler
operation, the boiler is not recognised by superior sensor,
necessary assist the venting process in the following way; (Warning the screw in
the center of the pump is not intended to be used to assist venting of the pump!
Damage may occur):
• close the isolation valve on the outlet,
• leave boiler running for 15-30 s.
• open the isolation valve.,
8. Switch the boiler off (hold button for 3 seconds).
9. Set the pump back to automatic mode, see „Advanced settings” section.
10. Connect NA contact and attach temperature regulator.
11. Switch the boiler on (press button).
12. Set the boiler to the required system temperature, see the „Operating” section.
Rated power
[kW]
Pump lifting
height [m]
LED 1
red
LED 2
yellow
LED 3
yellow
LED 4
yellow
LED 5
yellow
4 ● ●
5 ● ● ●
4 - 9 6 ● ● ● ●
12 - 24 7 ● ● ●

10
Control panel
A - pressure [bar]
B - ow [l/min]
C - power [kW]
D - temperature [0°C]
E - digital display
F - indicator of medium temperature setting
(for DHW cylinder)
G - indicator of room thermostat and heating
activity (for central heating)
H - indicator of pump and ow activity
I,J - inactive indicators
K - inlet temp. indicator
L - outlet temp. indicator
M - indicator of boiler activity (for central
heating)
N - indicator of boiler activity (for DHW
cylinder)
O - control buttons
The control panel consists of two working areas: the signalling area (elements: A-N)
and control area (O). The user can select the following working modes:
- stand-by, winter (CH heating or CH + DHW heating), summer (DHW heating) for
EKCO.LN2 and EKCO.L2,
- stand-by, winter (CH heating) for EKCO.LN2...p and EKCO.L2...p.
To switch between working modes press .
Stand-by mode
To set the stand-by mode press . and hold for 3 seconds. Important: Do not cut
power supply off between heating season. When the control panel is switched to
„Stand-by” mode the control panel is off (the F icons ickers only). In this mode the
boiler is off but the pump is activated every day for 15 minutes (what protects the
boiler and the whole central heating installation from being blocked and silted up).
The pump will run every day at the same time, it will be the time of the day when you
switch it to the „Stand-by” mode e.g., if you set the pump on a „Stand-by” mode at 6
p.m. the timer will activate the pump everyday for 15 minutes starting at around 6 p.m.
To check out the installation pressure press or To set the winter mode press
, (when you set from „Stand-by” to „Winter mode”).
- type of ow sensor – (1) HC DN 15 sensor, (2) KOSPEL sensor,
- work-time counter of boiler (read-only time). Counter display shows gures (with-
out leading zeros) starting from the most important with 1/2 second intervals, the
display will turn off (for 2 seconds) when the least important gure is shown,
Press and hold the button to exit and save the settings.

11
GB-031AB/f.
Winter mode (CH)
When the control panel is switched to „Winter mode” the icon is on. In this time
the control panel is in the main view display, the icons show current working mode of
boiler. The digital display shows the temperature of medium (for central heating). You
can check out the following working parameters by pressing the button. A display
shows (in sequence): CH medium temp. setting (D and M indicators are on), inlet
temp. (D and K indicators are on), outlet temp. (D and L indicators are on), medium
ow rate through the boiler (B indicator is on), installation pressure (A indicator is on),
power with which the boiler currently heats (C indicator is on).
To set the temp. of medium press or (when you are in medium temp. setting
view). The temp. can be set between 20 – 850C. A controller will switch over to the
main view, if you don’t use a buttons for 1 min. To automatically switch to the main
view press (when you are in the medium temp. setting view).
To ensure smooth and economic boiler operation, the temperature of the medium (for
central heating) has to be set in accordance with current weather conditions (outdoor
temperature), taking into account the building parameters (e.g. compactness, insula-
tion, windowing etc.). Optimum settings of the medium temperature can reduce the
boiler operating costs.
Winter mode (CH + DHW) - EKCO.LN2 and EKCO.L2 only.
In this mode the three-way valve directs the medium to either central heating instal-
lation or cylinder coil. The priority is to heat the DWH cylinder, at the same time the
central heating system is off.
When and . icons are on it shows that the boiler is in C.H + DHW mode.
When you switch to this mode the control panel is in the main view display, an icons
show current working mode. The digital display shows the temperature of medium.
You can read and set the following working parameters by pressing the button. A
display shows (in sequence): CH medium temp. setting (D and M indicators are on),
DHW temp. reading and setting (D and N indicators are on) or an exterior thermostat
status (N indicator is on), inlet temp. (D and K indicators are on), outlet temp. (D and
L indicators are on), medium ow rate through the boiler (B indicator is on), pressure
in the system (A indicator is on), power with which the boiler currently heats (C indica-
tor is on). A water temp. in cylinder is shown only if the WE-019/01 temp. sensor is
applied to the Tzas entry. To set the temp. of DHW press or button (when you
are in cylinder temp. setting view). The temp. can be set between 30 – 80°C (D,N,F
indicators are on). If you set temp. at 0°C it will switch off the DHW cylinder heating
(indicator ickers). When an external thermostat is applied (instead of temp. sensor)
the contact status will be shown (instead of water temp.): 0 – open contact, 1- close
contact. The close-open contact of thermostat has to be connected to the Tzas entry
(see gure on page 6). A boiler heats the cylinder when the Tzas entry is closed. You
can activate or deactivate cylinder heating mode by pressing or button when
you read the thermostat contact status, 0- DHW mode is deactivated, 1 – DHW mode
is activated. The icon ickers when you deactivate cylinder heating mode. To set
the temp. of medium press or (when you are in medium temp. setting view).
refers to EKCO.LN2 and EKCO.L2 boiler only

12
The temp. can be set between 20 – 85°C. A controller will switch over to the main
view, if you don’t use a buttons for 1 min. To automatically switch to the main view
press (when you are in medium temp. setting view).
To ensure smooth and economic boiler operation, the temperature of the medium (for
central heating) has to be set in accordance with current weather conditions (outdoor
temperature), taking into account the building parameters (e.g. compactness, insula-
tion, windowing etc.). Optimum settings of the medium temperature can reduce the
boiler operating costs.
Summer mode - EKCO.LN2 and EKCO.L2 only. To switch to summer mode press
(when you are in main view of winter mode). This mode is available only if the
boiler is enabled to co-operate with the DHW cylinder. A heating medium is directed
to cylinder’s coil. When icon is on and icon is off it shows that the boiler
operates in summer mode.
When you switch to this mode the control panel is in the main view, an icons show
current working mode. The digital display shows the temperature of medium.
You can read and set the following working parameters by pressing the button.
A display shows (in sequence): DHW temp. reading and setting (D and N indicators are
on) or an exterior thermostat status (N indicator is on), inlet temp. (D and K indicators
are on), outlet temp. (D and L indicators are on), medium ow rate through the boiler
(B indicator is on), pressure in the system (A indicator is on), power with which the
boiler currently heats (C indicator is on).
A water temp. in cylinder is shown only if the WE-019/01 temp. sensor is applied
to the Tzas entry (see gure on page 6). To set the temp. of DHW press or
(when you are in cylinder temp. setting view). The temp. can be set between 30 –
80°C (D,N,F indicators are on). If you set temp. at 00C it will switch off the cylinder
heating ( indicator ickers).
When an external thermostat is applied (instead of temp. sensor) the contact status will
be shown (instead of water temp.): 0 – open contact, 1- close contact. The close-open
contact of thermostat has to be connected to the Tzas entry (see gure on page 6).
A boiler heats the cylinder when the Tzas entry is closed.
You can activate or deactivate cylinder heating mode by pressing or button
when you read the thermostat contact status, 0- cylinder heating mode is deactivated,
1 – cylinder heating mode is activated. The icon ickers when you deactivate
cylinder heating mode.
A controller will switch over to the main view, if you don’t use a buttons for 1 min.
To automatically switch to the main view press (when you are in medium temp.
setting view).
To switch to winter mode press button shortly (when you are in the main view of
summer mode).
refers to EKCO.LN2 and EKCO.L2 boiler only

13
GB-031AB/f.
MODEL INDICATOR STATUS DETAILS
all models
on room thermostat allows the boiler to heat
off the required temperature has been reached
(boiler doesn’t heat),
flickers master appliance doesn’t allow to heat (NA
entry is open),
on pump is active, a proper ow rate of medium
has been reached
ickers lack of ow or insufcient ow rate of medium
(failure condition), a heating elements are off,
red boiler heats (CH)
green
proper temp. has been reached (CH)
EKCO.LN2/
EKCO.L2 boiler heats the DHW ( icon is on)
all models
temp. in CH system is lower than required
but the required room temperature has been
reached, RP entry is open, or room thermostat
is blocked,
EKCO.LN2/
EKCO.L2
off boiler operates in summer mode
red boiler heats (DHW)
green boiler heats (DHW), the required temp. of water
ickering (green) DHW heating is blocked
all models
Aickers
installation pressure is not sufcient (below 0,5 bar),
heating is blocked, pump is inactive
Edashes parameter out of range or a temp. sensor failure
K and L ickers
relevant temperature sensor failure
EEE message data record error
refers to EKCO.LN2 and EKCO.L2 boiler only
Icons and indicators

14
Failures
refers to EKCO.LN2 and EKCO.L2 boiler only
Symptom Reason Action
The indicators on
control panel are off
lack of boiler power supply
check parameters of the power network
and fuses
contact an authorised service or the seller
A indicator ickers
insufcient pressure (below 0,5bar)
switch the controller to the pressure view,
increase the pressure to the required level
pressure sensor failure
switch the controller to pressure view, if
the display shows „--” contact an author-
ised service
H indicator ickers
pump is blocked
unblock the pump - unscrew the screw
on pump housing and move the pump
rotor manually
a medium doesn’t circulate through
the boiler – boiler is blocked
an air-bound central heating system,
vent the installation, pump and boiler
check patency of central heating system
clean the lter
a failure of pump’s power supply
contact an authorised service or the seller
a failure of pump or ow sensor contact an authorised service or the seller
G indicator is off
(in winter mode)
a failure of installation that con-
nect a room thermostat
contact an authorised service or the seller
a failure of electronic module
contact an authorised service or the seller
K indicator ickers a failure of inlet temp. sensor,
boiler in failure condition
contact an authorised service or the seller
L indicator ickers a failure of outlet temp. sensor,
the heating is blocked
contact an authorised service or the seller
G indicator ickers,
master appliance
doesn’t work
a failure of installation that con-
nects the master appliance contact an authorised service or the seller
a failure of electronic module contact an authorised service or the seller
EKCO.LN2 and
EKCO.L2 model
doesn’t heat the
cylinder
a failure of cylinder temp. sensor
or thermostat
contact an authorised service, replace cyl-
inder temp. sensor or thermostat
a failure of three-way valve ser-
vo-motor replace servo-motor
a failure of electronic module
contact an authorised service or the seller
EE message on E
display data record error
contact an authorised service or the seller

Technical data
Max. pressure MPa 0,3 (3 bar)
Min. pressure
MPa 0,05 (0,5 bar)
Outowing water temp.
EKCO.LN2; EKCO.L2
°C
20 ÷ 85
EKCO.LN2..p; EKCO.L2...p 20 ÷ 60
Max. water temp. °C 100
Overall dimensions (height x
width x depth
EKCO.LN2; EKCO.LN2...p
mm 710 x 418 x 252
EKCO.L2; EKCO.L2...p 710 x 418 x 153
Weight
EKCO.LN2; EKCO.LN2...p
kg ~24,5
EKCO.L2; EKCO.L2...p ~17,2
Water connection G 3/4" (internal thread)
Expansion vessel
EKCO.LN2; EKCO.LN2...p l 6
Safety class IP 22
Rated power kW 4 6 8 4 6 8
Rated voltage 230V~ 400V 3N~
Rated current A 17,4 26,0 34,8 3 x 5,7 3 x 8,7 3 x 11,7
Fuse rated current A 20 32 40 10 16
Min. connecting wires section mm23x2,5 3x4 3x6 5x1,5
Max. connecting wires section mm25 x 16
The maximum allowed network impedance Ω 0,27 0,17 0,15 0,27
Rated power kW 12 15 18 21 24
Rated voltage 400V 3N~
Rated current A 3x17,3 3x21,7 3x26,0 3x30,3 3x34,6
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
Rated power kW 4 6 8 12 4 6 8
Rated voltage 220V~ 380V 3N~
Rated current A 18,3 27,4 36,4 54,5 3x6,1 3x9,1
3x12,2
Fuse rated current A 25 32 40 63 10 16
Min. connecting wires section mm23 x 2,5 3 x 4 3 x 6
3 x 10 5 x 1,5
Max. connecting wires section mm23 x 16
3 x 25 5 x 16
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

QuickTec GmbH · Bardelebenweg 25 · 14089 Berlin · Germany
Tel: +49 (0) 30 / 577 01 88 40 ·Fax: +49 (0) 30 / 577 01 88 49 · E-Mail: [email protected] · quick-tec.com