CTC Union ecoflex Manual

162 105 01-4 2015-11–05
Providing sustainable energy solutions worldwide
Installation- and maintenance manual
CTC EcoFlex
Wood pellet boiler
IMPORTANT
READ CAREFULLY BEFORE USE
KEEP FOR FUTURE REFERENCE

Installation- and maintenance manual
CTC EcoFlex
Wood pellet boiler
162 105 01-4 2015-11–05
42 15 03

4
CTC EcoFlex
For your own reference
Fill in the information below. It may be useful if anything should happen
Product: Manufacturing No.
Date of installation Telephone No.
Installer:
Table of content
GENERAL INFORMATION
Welcome ______________________________________ 5
Safety regulations ______________________________ 6
Pellet quality___________________________________ 7
Handling of pellet fuel __________________________ 7
Design CTC EcoFlex____________________________ 8
Design pellet burner ____________________________ 9
Safety/alarm __________________________________ 10
Safety, a natural part of the function_____________ 10
Heating curve_________________________________ 11
END USER INFORMATION
1. Control panel _____________________________ 14
2. CTC EcoFlex menu map ___________________ 16
3. Detailed menu description _________________ 18
3.1 Factory set values __________________________ 18
3.2 Main menu/Normal display menu _____________ 18
3.3 Menu Time setting__________________________ 19
3.4 Menu Indoor temperature____________________ 19
3.5 Menu Operation data _______________________ 20
3.6 Menu Stored operation data _________________ 21
3.7 Menu Night reduction _______________________ 21
3.8 Menu Week program _______________________ 22
3.9 Menu Block _______________________________ 22
3.10 Menu Installer _____________________________ 23
3.11 Menu Settings _____________________________ 23
3.12 Menu Setting House Parameters (Heating) _____ 25
3.13 Menu Setting pellet _________________________ 26
3.14 Menu Inst tank _____________________________ 27
3.15 Menu Service ______________________________ 27
3.16 Menu Function test Pellet ____________________ 27
3.17 Menu Function test other ____________________ 28
3.18 Menu Alarm info____________________________ 29
4. Operation and maintenance ________________ 30
4.1 The heating system _________________________ 30
5. Start/stop of the pellet burner ______________ 33
6. Cleaning__________________________________ 34
7. Alarm and fault tracing/measures ___________ 36
Alarm texts (boiler)_______________________________ 36
Alarm texts (Pellet burner)_________________________ 37
Information texts ________________________________ 40
INSTALLATION
8. Installation________________________________ 41
9. Hydraulic installation ______________________ 44
10. Electrical installation_______________________ 47
11. Terminal block ____________________________ 48
12. First start _________________________________ 52
13. Electric diagram 230V 1N~ _________________ 53
14. Electric diagram 400V 3N~ _________________ 54
15. Technical data ____________________________ 55
Declaration of Conformity ______________________ 56

5
Produktnamn
General Information
Welcome
Congratulations! You have just bought a CTC EcoFlex
wood pellet boiler, which we hope you will be very
pleased with. You can read about how to operate your
boiler in the following pages. One chapter is written for
the property owner and one chapter for the installation
engineer.
Keep this handbook with the installation and
maintenance instructions. The CTC EcoFlex is designed
to last for many years, and it is here you will find the
information you need to operate and maintain the unit
correctly and ensure its longevity.
CTC EcoFlex wood pellet boiler
CTC EcoFlex is the next generation of wood pellet
boilers and is equipped with a 15 kW integrated pellet
burner. Pellet fired heating is very similar to oil fired
heating.
The biggest difference between the two is that all solid
fuel firing produces a certain amount of ash, which must
be removed if efficiency or boiler function is not to be
impaired. The boiler has been developed to meet the
high reliability, convenience and safety requirements that
we set.
CTC EcoFlex is a modern and very efficient pellet boiler.
Optimal combustion and good insulation allow a high
level of efficiency to be achieved, while maintaining
releases which can harm the environment at a very low
level.
The boiler is equipped with automatic ignition, but
can always be lit manually if required. It is also pre-
programmed with two ignition programs, one for starting
from a shut off mode and one for starting from an
operating mode.
The boiler and the feed system are fully automated
and are controlled by the built in control system in 1–3
steps. A balanced mixture of fuel and air is supplied to
the burner, which gives a complete and cost efficient
combustion.
CTC EcoFlex is equipped with a large ash bin to make
maintenance easier. Sweeping is usually carried out from
the top.
CTC EcoFlex consists of a combustion chamber with
connected flue gas ways, surrounded by an outer
mantle holding 150 litres of water. When firing with
pellet, the heat from the burner is transmitted from the
combustion chamber and heating surfaces directly to
the boiler water.

6
CTC EcoFlex
General Information
The way CTC EcoFlex is designed makes it very simple to install. The small
dimensions mean that it can be installed in boiler rooms, which are often
very small. Most pipe fittings are on the top of the boiler. Electrical installation
is to a terminal block behind the control panel. Boiler service is simplified
by all connections and components being easily accessible from the front.
The boiler is swept through the combustion chamber hatch and through the
cleaning door on the top.
Ashes are emptied from the large ash bin attached to the ash door. The ash
bin holds around 45 litres of ash and is emptied as required. The carefully
developed design and the good fault tracing functions in the control system
makes the CTC EcoFlex service friendly. A light diode is fitted to the room
sensor, which flashes when there is a fault. Store this instruction book
carefully, so that it is easily accessible for later reference. Read through the
instruction book carefully before starting to use your pellet system.
Follow the instructions given in the instruction book carefully and carry out
maintenance and service as recommended.
Safety regulations
The following safety regulations should be taken into consideration when
handling, installing and using the boiler:
• Installation must be done according to applicable local standards and
regulation.
• Shut off the operation switch before carrying out any service or
maintenance on boiler or peripheral equipment.
• The casing over the pellet burner is an important part of the boiler’s
safety equipment and must always be fitted and secured when the
boiler is in operation.
• The power supply to the burner must always be shut off if the casing is
to be removed, for example when cleaning the burner.
• Never undermine safety through deactivating safety equipment.
• The boiler and its peripheral equipment are not to be washed down
with water.
• The flue gas ways and the boiler room air supply duct are not to be
blocked.
• When moving the boiler using a crane or similar, make sure that lifting
equipment, eyes and other components are undamaged. Never stand
or walk under a lifted boiler.
• In a closed system, a non closable safety valve (max 2.5 bar) approved
according to existing standards must be installed. See the section
“Hydraulic installation”.
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.

7
CTC EcoFlex
General Information
Specification Sweden
SS 18 71 20
Class 1
Size max.4 Ø
Bulk density > 600 kg/m
Fines in % <3mm < 0,8
Moisture content < 10 %
Ash content < 0,7 %
Calorific value > 16,9 Mj/kg
>4,7 kWh/kg
Sulphur < 0,08 %
Chlorine < 0,03%
Pellet quality
Recommendation:
Only use pellet fuel which meets standard SS 187120 class 1. The use of
lower quality pellet can cause operation disruptions, for example due to
sintering of ashes or blockages in the external feed system. Significantly
larger volumes of ash will in addition be produced.
The Pellet boiler is from factory pre-set for operation with pellet with a
diameter of 8 mm. By utilization of pellet with a diameter of 6 mm, see
section ”First start” in order to perform the required settings.
Handling of pellet fuel
Follow the pellet supplier’s instructions on handling and storage of pellet fuel.

8
CTC EcoFlex
General Information
Design CTC EcoFlex
The principle boiler body components are made of welded steel plates. The
boiler is pressure and tightness tested at the factory, insulated with skin-tight
heat insulation and clad with powder coated steel sheets.
Flue gas outlet
The boiler’s flue gas outlet is
positioned on the top.
Insulation
The entire boiler body is insulated
with solid, skin-tight heat
insulation to ensure minimum
heat loss.
Combustion chamber
The round combustion chambers
shape is adapted to give optimal
combustion.
Heating surface
In order to optimize the heat
transfer of the flue gases
the channels are designed
vertical. In this way the
adhesion of ash particles
is minimized, the heating
surfaces remains clean
and the thermal energy is
excellently transmitted to the
boiler water.
Cleaning door
The heating surface is easily
accessible for inspection and
cleaning through the cleaning
door on the top of the boiler.
Control panel
All electrical boiler controls have
been brought together on the control
panel.
Flue gas damper
The boiler has a very high level of efficiency and
therefore low flue gas temperatures. Flue gas
temperature can be increased by adjusting the flue
gas damper, if the boiler is connected to a chimney
which requires high flue gas temperatures to avoid
condensation.
Ash bin
Ash is collected in the large
ash bin, which is simple to
remove and empty.
Pellet burner
See the section
“Design Pellet burner”.
Tracks
The pellet burner is installed on
a telescopic track, which makes
removal of the burner for cleaning
easier.
Pellet tube
The pellet tube can be fitted either to
the right/left of the side panel or from
above on the right side of the upper
panel. The tube can alternatively be
fitted through the hood.
Adjustable feet
The boiler is equipped with four
adjustable feet to compensate for
uneven floors.
Sight glass
The hearth can be observed though
the sight glass and the corresponding
inspection hole in the casing.
Hood and pellet burner cover
NB! Thehood and cover over the
pellet burner is a part of the boiler’s
safety equipment and must always be
fitted and secured when the boiler is
in operation.
7
1
SMST
MÅTTSKISS
CTC ECOFLEX EXPORT
581679
Q 060502
SJ
A
OK
4
1
0
6
5
7 GASANALYS M10
2
3
1
3 EXPANSION/ FRAML LADDN BEREDARE Rp 1 INV
2 RETUR RADIATOR G 1" UTV.
1 FRAMLEDNING RADIATOR G 1" UTV.
6 AVTAPPNING Rp1/2 INV
5 RÖKRÖRSANSLUTNING 150 UTV
4 RETUR LADDN BEREDARE Rp 1 INV
Kontr. av Ändr. av Ändrad frånDatum Nr Ändr.meddel.
Utgåva
Ämnes nr
E
art. nr
Ersätter
art. nr
Ersättes av
Grupp
Produkt
Reg. nr
Benämning
Tol.system
Kontr. Normgr.
Skala
Ritad
Material
Datum
Sign.
Distr till/Antal
Ytjämnhet RA
Godk. prod
Om ej annat angives gäller ovanstående
Denna ritning är CTC AB's egendom. Den får ej användas till skada för företagets intressen.
Diese Zeichnung ist das Eigentum der CTC AB und darf nicht zum Scha- den dieser Gesellschaft verwendet werden.
This drawing is the property of CTC AB and is not to be used against the interest of this com- pany
1046
79
100
210
112
125
625
112
600
107
8-20
1350
365
800
990

9
CTC EcoFlex
General Information
Counterhold plate
Dosage
auger
Rotary valve
Burner auger Fan
Connection
plate
Boiler front
Water mantle
Insulation
Ignition element
Primary air tube
Top connection
Driving motor
(concealed) Rotary valve
(inside the
housing)
Connection
plug sensor
Level monitor
transmitter (behind
top connection)
Top connection Level monitor
receiver
Fan
Flame
detector
Connection plug high
voltage power
Burner auger pipe
Flame detector pipe
Ignition element
(inside primary air pipe)
Hearth
Primary
ring
Bend
gear wheel dosage
screw
Gear wheel
lock
Primary air pipe
Design pellet burner

10
CTC EcoFlex
General Information
Safety/alarm
The boiler is designed in accordance with the main principles we use in oil
fired heating. The advantage with this system is convenient handling, as fuel
storage location is not limited by boiler room lay out. The separation of the
boiler and fuel storage, combined with discontinuous fuel supply between
these, gives a high level of safety against the spread of fire. The effects
and the damage resulting from incorrect operation or a fault in function or
installation should therefore be limited to the burner.
If a fault occurs on the boiler temperature sensor, the safety limit thermostat
should intervene and prevent the boiler from boiling. In addition, the boiler
is designed to automatically return to normal operating mode after any
operation disruptions such as power failure, fuel disruption etc.
If a fault occurs which results in the system stopping, this is indicated by a
red light signal on the control panel (light diode) combined with a message
on the cause of the fault on the display. In addition, the light diode on the
room sensor flashes. The boiler has a unique design in which safety is a part
of the function of the system. Safety is therefore not provided by an add-
on safety system. Safety is secured by the path of fuel in the burner auger
pipe in practice being broken within the boiler itself. There is therefore no
continuous line of fuel outside the boiler which can transfer heat.
A description of alarms can be found in the chapter “Alarm texts and fault
tracing/measures”
Safety, a natural part of
the function
A small limited volume of pellets is fed from pellets storage via the external
feed system to the top connection each time refilling takes place. Dosaging
uses a special feed auger which supplies fuel via the rotary valve and burner
auger to the hearth, so ensuring the supply of a precise and even pellet
volume to the hearth. When the burner auger supplies the pellet at a rate
which is three times faster than the supply of pellet, a safety zone is formed
with very few individual pellet between the hearth and the top connection.
This safety zone remains intact, irrespective of power failure, maintenance
failures or equipment breakdown.
Safety has become a part of operation.

11
CTC EcoFlex
General Information
Heating curve
!The set heating curve is always prioritised. The room sensor can only call on the
mixing valve to increase temperatures to a specific level beyond the set heating
curve. Where operating without a room sensor, the selected graph determines
the temperature supplied to the radiators.
The heating curve is a central part of the product’s control system. It is
the heating curve which determines the temperature requirement for your
property at different outdoor temperatures. It is important that the heating
curve is correctly adjusted, so that you achieve the best function and
economy possible.
One property requires a radiator temperature of 30°C when the outdoor
temperature is 0°C. A different property requires 40°C. The difference
between different properties is determined by radiator surface area, the
number of radiators and how well insulated the house is.
Adjustment of heating curve basic values
The heating curve for your property is set using two values in the product
control system. This is set in the menu Installer/Settings/Setting Heating/
Inclination and Adjustment.
Arriving at the correct heating curve can take some time. The best way to
achieve this is to select operation without room sensor in the initial period.
The system then operates using outdoor temperatures only.
During the adjustment period it is important that:
• Night reduction function is not selected.
• All radiator thermostat valves are fully open.
• Outdoor temperature is not higher than +5°C. (If the outdoor
temperature is higher when the system is installed, use the factory set
graph until the outdoor temperature falls to this level.)
• The radiator system functions well and is correctly adjusted for the
different circuits.

12
CTC EcoFlex
General Information
Primary Flow Temperature
Outside Temperature
Inclination
Primary Flow Temperature
Outside Temperature
Inclination 50°C
Adjustment 0°C
Inclination 50°C
Adjustment +5°C
Adjustment
Description of inclination and adjustment
Inclination 50:
The value set is the outgoing temperature of the water supplied to the
radiators at an outdoor temperature of –15°C, e.g. 50°C. A lower value is
selected where a radiator system has large radiator areas (a low temperature
system). Floor heating systems require low temperatures. A low value should
therefore be selected. The value must be increased for high temperature
systems to achieve a high enough indoor temperature.
Adjustment 0:
The adjustment means that the flow temperature can be raised or lowered at
a specific outdoor temperature.
Adjustment 0 means 20°C primary flow when the outside temperature is
20°C.
Adjustment -5 means 20°C primary flow when the outside temperature is
15°C.
For example:
Inclination 50 means that the temperature of the water supplied to
the radiators will be 50°C when the outdoor temperature is –15°C (if
adjustment is set to 0). If the adjustment is set to +5, the temperature will be
55°C instead. The curve is increased by 5°C at all temperatures, i.e. it is
parallel displaced by 5°C.
Examples of Heating Curves
Here you find three charts where you can see how
the heating curve changes by different settings of the
Inclination. The gradient of the curve shows which
temperature the heating system requires at different
outdoor temperatures.
The set value of the gradient is the primary flow
temperature at an outdoor temperature of -15 °C.
Adjustment
The curve can be parallel displaced (adjusted) by
the desired number of degrees to adapt to different
systems/houses.

13
CTC EcoFlex
General Information
!When the standrad values are fairly correct
adjusted, the curve can be displaced directly in the
normal display menu Indoor°C.
Suitable standard values
At the time of the installation it is seldom possible to instantly set the heating
curve exactly . The values to the right may then be a good starting-point
before the more accurate adjustment is set. Radiators with small heat
emission surfaces require higher primary flow temperatures.
Menu:
Installer/Settings/Setting Heating Inclination
Floor heating only Inclination 35
Low temperature system (well insulated house) Inclination 40
Standard temperature system (older house) nclination 50
High temperature system
(older house, small radiators, poorly insulated) Inclination 60
Adjustment (if the outdoor temperature is lower than 0 degrees)
• At to cold indoors: Increase the value at Inclination a couple of
degrees. Wait one day before the next adjustment.
• At to warm indoors: Decrease the value at Inclination a couple of
degrees. Wait one day before the next adjustment.
Adjustment (if the outdoor temperature is higher than 0 degrees)
• At to cold indoors: Increase the value at Adjustment a couple of
degrees. Wait one day before the next adjustment.
• At to warm indoors: Decrease the value at Adjustment
a couple of degrees. Wait one day before the next adjustment.
!To low adjusted values might imply that the
required indoor temperature is not being reached.
Then you have to adjust the heating curve
according to need.

14
CTC EcoFlex
End user information
1. Control panel
All settings are set on the well structured control panel. The control
panel also provides you with information on operation and temperatures.
Information is displayed in the display screen. A few keystrokes and a few
menu selections will provide you with all the information you need.
1 Pellet burner switch
The pellet burner is started/shut down using this switch. For more
information, see the section “Start/stop the pellet burner”.
2 Safety limit thermostat
Safety limit thermostat is triggered when the temperature in the boiler
becomes too high.
Reset by pressing the centre button under the cover casing.
3 Fuse 10 A
The fuse protects the heating circuit pump.
Reset by pressing the centre button.
12 3

15
CTC EcoFlex
End user information
How the buttons are used
Accessing the menus, to display operation information or to set values, is
simple. The button functions are described below.
A Display screen
1 Menu name
The name of the menu you are currently in is displayed here.
When you are not in the menu system, the product name, day
and time (normal display) are displayed.
2 Row marker
You can scroll the cursor up or down the screen to the row
you want to select. The cursor is moved using the increase or
reduce button (D).
The cursor becomes filled and black when a row is selected. Press
the “undo” button (B) to deselect a row.
3 The indicator “more rows”
The arrow shows that there are more rows below which are not visible.
Scroll the cursor downwards to view these rows. The arrow disappears
when there are no more rows.
4 More rows indicator
The arrow shows that there are rows above which are not visible in
the display. Scroll the cursor upwards to view more rows. The arrow
disappears when there are no more rows.
5 Information area
All information, temperatures, values etc. are displayed here.
B Button “step backwards” or “undo”
Use this button to step backwards in the menu system to the previous
menu. You can also use this button to deselect a selected row.
C Button – “OK”
Use this button to approve/confirm a value or a selection.
D Button “increase” or “reduce”
Use the button to increase or reduce a value. The button can also be used to
move the row marker upwards or downwards.
E Button – “Alarm reset”
Use this button to reset the product after an alarm has been triggered.
EcoFlex Mon 12:34
Indoor °C 20,0 (20)
Indoor temp °C
Boiler °C 50
Operation data
Stored oper data
Night reduction No
Installer
▲
▼
▲
4
1
2
5
3
A
B C
D
A
E

16
CTC EcoFlex
End user information
2. CTC EcoFlex menu map
Settings
►Lang. English
Heat pump No
Indoor sens No
Boiler pellet °C 80
Alarm FlueGas °C 240
El Boiler °C 50
El boiler max kW 6,0
Max fuse A 20
External control NR
Setting house Param
Setting pellet
Holiday off
Set. tank
Setting DHW
Save setting
Load setting
Load factory setting
Service
► Functiontest pellets
Funktionstest other
Alarm info
Functiontest pellet
►Auger Feeder Off
Fan % 0
Auger burner % 0
El ignition Off
Funct. test other
►ElRelay 1,5/3 kW 0
ElRelay 3/6 kW 0
Pellet Off
Heatingcirpump. Off
MixingValve Close
DHW pump Off
Diode sensor Off
Alarm stored
Last alarm
xxxxx
Stored alarm
xxxxx
xxxxx
xxxxx
xxxxx
Setting Heating
► Max Primfl °C 55
Min Primfl °C Off
Heating off 16
Heat curve
Inclination 50
Adjustment 0
Setting pellet
► Level sensor % 0(50)
Flame detector % 99(50)
Burner type kW 15
Power full auger % 68
Power full fan % 40
Power part auger % 41
Power part fan % 20
Power min auger % 0
Power min fan % 0
Holding min 60
Auger Feeder s 30
Sequenz code 0
Time setting
Day Thursday
Time 18:03
Stored oper data
Total operation h 8768
El heat kWh 1234
Pellet h 3456
Max prim °C 62
Cold starts 14
Warm starts 354
Night reduction
►Activated No/Yes
Type WeekProg
Indoor temp red °C -2
Prim red °C -5
WeekProgram
Installer
►Settings
Service
Operation data
Outdoor °C -5
Indoor °C 20(20)
Boiler °C 70
FlueGas °C 160
Primfl. °C 45(45)
▼
Operation data ▲
Current A 12(20)
Pellet startphase 1K
Mixingvalve close
Program ID xxxxxxx
Program date xx-xx-xx
Operation data ▲
Heatingcirc. pump On
Elpower 3,0
▼
With indoor sensor
Without indoor sensor
With indoor sensor
Without indoor sensor
EcoFlex Thurs 8:03
Indoor °C 20.0(20.0)
Indoor Temp NR
Boiler °C 50
►Operation data
Stored oper data
Night reduction
Installer
Indoor temp
-
● ● ● ● + (52)
Set. tank
► Charge tank Yes
Temp tank °C 70
Diff °C 5
Tank prio No

17
CTC EcoFlex
End user information
Settings
►Lang. English
Heat pump No
Indoor sens No
Boiler pellet °C 80
Alarm FlueGas °C 240
El Boiler °C 50
El boiler max kW 6,0
Max fuse A 20
External control NR
Setting house Param
Setting pellet
Holiday off
Set. tank
Setting DHW
Save setting
Load setting
Load factory setting
Service
► Functiontest pellets
Funktionstest other
Alarm info
Functiontest pellet
►Auger Feeder Off
Fan % 0
Auger burner % 0
El ignition Off
Funct. test other
►ElRelay 1,5/3 kW 0
ElRelay 3/6 kW 0
Pellet Off
Heatingcirpump. Off
MixingValve Close
DHW pump Off
Diode sensor Off
Alarm stored
Last alarm
xxxxx
Stored alarm
xxxxx
xxxxx
xxxxx
xxxxx
Setting Heating
► Max Primfl °C 55
Min Primfl °C Off
Heating off 16
Heat curve
Inclination 50
Adjustment 0
Setting pellet
► Level sensor % 0(50)
Flame detector % 99(50)
Burner type kW 15
Power full auger % 68
Power full fan % 40
Power part auger % 41
Power part fan % 20
Power min auger % 0
Power min fan % 0
Holding min 60
Auger Feeder s 30
Sequenz code 0
Time setting
Day Thursday
Time 18:03
Stored oper data
Total operation h 8768
El heat kWh 1234
Pellet h 3456
Max prim °C 62
Cold starts 14
Warm starts 354
Night reduction
►Activated No/Yes
Type WeekProg
Indoor temp red °C -2
Prim red °C -5
WeekProgram
Installer
►Settings
Service
Operation data
Outdoor °C -5
Indoor °C 20(20)
Boiler °C 70
FlueGas °C 160
Primfl. °C 45(45)
▼
Operation data ▲
Current A 12(20)
Pellet startphase 1K
Mixingvalve close
Program ID xxxxxxx
Program date xx-xx-xx
Operation data ▲
Heatingcirc. pump On
Elpower 3,0
▼
With indoor sensor
Without indoor sensor
With indoor sensor
Without indoor sensor
EcoFlex Thurs 8:03
Indoor °C 20.0(20.0)
Indoor Temp NR
Boiler °C 50
►Operation data
Stored oper data
Night reduction
Installer
Indoor temp
-
● ● ● ● + (52)
Set. tank
► Charge tank Yes
Temp tank °C 70
Diff °C 5
Tank prio No

18
CTC EcoFlex
End user information
3. Detailed menu description
Settings
►Lang. English
Heat pump No
Indoor sens No
Boiler pellet °C 80
Alarm FlueGas °C 240
El Boiler °C 50
El boiler max kW 6,0
Max fuse A 20
External control NR
Setting house Param
Setting pellet
Holiday off
Set. tank
Setting DHW
Save setting
Load setting
Load factory setting
Service
► Functiontest pellets
Funktionstest other
Alarm info
Functiontest pellet
►Auger Feeder Off
Fan % 0
Auger burner % 0
El ignition Off
Funct. test other
►ElRelay 1,5/3 kW 0
ElRelay 3/6 kW 0
Pellet Off
Heatingcirpump. Off
MixingValve Close
DHW pump Off
Diode sensor Off
Alarm stored
Last alarm
xxxxx
Stored alarm
xxxxx
xxxxx
xxxxx
xxxxx
Setting Heating
► Max Primfl °C 55
Min Primfl °C Off
Heating off 16
Heat curve
Inclination 50
Adjustment 0
Setting pellet
► Level sensor % 0(50)
Flame detector % 99(50)
Burner type kW 15
Power full auger % 68
Power full fan % 40
Power part auger % 41
Power part fan % 20
Power min auger % 0
Power min fan % 0
Holding min 60
Auger Feeder s 30
Sequenz code 0
Time setting
Day Thursday
Time 18:03
Stored oper data
Total operation h 8768
El heat kWh 1234
Pellet h 3456
Max prim °C 62
Cold starts 14
Warm starts 354
Night reduction
►Activated No/Yes
Type WeekProg
Indoor temp red °C -2
Prim red °C -5
WeekProgram
Installer
►Settings
Service
Operation data
Outdoor °C -5
Indoor °C 20(20)
Boiler °C 70
FlueGas °C 160
Primfl. °C 45(45)
▼
Operation data ▲
Current A 12(20)
Pellet startphase 1K
Mixingvalve close
Program ID xxxxxxx
Program date xx-xx-xx
Operation data ▲
Heatingcirc. pump On
Elpower 3,0
▼
With indoor sensor
Without indoor sensor
With indoor sensor
Without indoor sensor
EcoFlex Thurs 8:03
Indoor °C 20.0(20.0)
Indoor Temp NR
Boiler °C 50
►Operation data
Stored oper data
Night reduction
Installer
Indoor temp
-
● ● ● ● + (52)
Set. tank
► Charge tank Yes
Temp tank °C 70
Diff °C 5
Tank prio No
3.2 Main menu/Normal display menu
This menu is the system’s “basic menu”. The system returns to this menu if
no buttons are pressed within a 10 minute period. All other menus can be
accessed from this menu.
EcoFlex Mon 15:43 Displays selected product, day and time. Day and time can be set by
selecting this row.
Indoor °C 20,0 (20,0) Displays current room temperature. The set temperature is displayed in
brackets. Select this row to change set temperature.
Can be set in the range 0.0 … 35.0 °C.
Indoor temp NR If an indoor sensor has not been fitted, temperature is adjusted using the
outdoor temperature. Select this row to adjust the temperature supplied to
radiators, see the “Indoor temperature” menu below. If “NR=“ is displayed,
night reduction is in progress.
Boiler°C 80 Boiler water temperature is displayed here. Only display.
Operation data Select this menu to view all current product operating data, all current tem-
peratures, which components are active etc.
Stored oper data Select this menu to view the operating data which has been stored over a
longer time period.
3.1 Factory set values
The product is supplied with a set of values, set by the factory, which are
suitable for a normal house with a normal radiator system. These values can
be changed as required. House parameters should in particular be checked.
Ask your installation engineer to determine the correct values.
The following basic values are set by the factory:
Night reduction Off (constant normal temperature)
Room sensor: No
Boiler pellets: 80°C
Alarm smoke gas: 240 °C
Electric boiler 50 °C (only Swedish version)
Electric boiler max kW: 6 (only Swedish version)
Main fuse: 20A (only Swedish version)
Burner type: 15 kW
House parameters: Inclination = 50 Adjustment = 0

19
CTC EcoFlex
End user information
Night reduction No Here you can select whether you want to activate night time temperature
lowering (lower room temperature at night). Two periods of lower
temperatures per day, seven days a week can be programmed. Lowering
can also be programmed for blocks of days.
Installer This menu contains two sub menus. One menu is used to set all basic
settings and one menu is used by service personnel.
Settings
►Lang. English
Heat pump No
Indoor sens No
Boiler pellet °C 80
Alarm FlueGas °C 240
El Boiler °C 50
El boiler max kW 6,0
Max fuse A 20
External control NR
Setting house Param
Setting pellet
Holiday off
Set. tank
Setting DHW
Save setting
Load setting
Load factory setting
Service
► Functiontest pellets
Funktionstest other
Alarm info
Functiontest pellet
►Auger Feeder Off
Fan % 0
Auger burner % 0
El ignition Off
Funct. test other
►ElRelay 1,5/3 kW 0
ElRelay 3/6 kW 0
Pellet Off
Heatingcirpump. Off
MixingValve Close
DHW pump Off
Diode sensor Off
Alarm stored
Last alarm
xxxxx
Stored alarm
xxxxx
xxxxx
xxxxx
xxxxx
Setting Heating
► Max Primfl °C 55
Min Primfl °C Off
Heating off 16
Heat curve
Inclination 50
Adjustment 0
Setting pellet
► Level sensor % 0(50)
Flame detector % 99(50)
Burner type kW 15
Power full auger % 68
Power full fan % 40
Power part auger % 41
Power part fan % 20
Power min auger % 0
Power min fan % 0
Holding min 60
Auger Feeder s 30
Sequenz code 0
Time setting
Day Thursday
Time 18:03
Stored oper data
Total operation h 8768
El heat kWh 1234
Pellet h 3456
Max prim °C 62
Cold starts 14
Warm starts 354
Night reduction
►Activated No/Yes
Type WeekProg
Indoor temp red °C -2
Prim red °C -5
WeekProgram
Installer
►Settings
Service
Operation data
Outdoor °C -5
Indoor °C 20(20)
Boiler °C 70
FlueGas °C 160
Primfl. °C 45(45)
▼
Operation data ▲
Current A 12(20)
Pellet startphase 1K
Mixingvalve close
Program ID xxxxxxx
Program date xx-xx-xx
Operation data ▲
Heatingcirc. pump On
Elpower 3,0
▼
With indoor sensor
Without indoor sensor
With indoor sensor
Without indoor sensor
EcoFlex Thurs 8:03
Indoor °C 20.0(20.0)
Indoor Temp NR
Boiler °C 50
►Operation data
Stored oper data
Night reduction
Installer
Indoor temp
-
● ● ● ● + (52)
Set. tank
► Charge tank Yes
Temp tank °C 70
Diff °C 5
Tank prio No
3.3 Menu Time setting
(at the top of the normal display menu)
Day and time can be set here. The clock is metered by the mains electricity
network frequency (50 Hz). If there is a power cut, reset the clock. The
clock restarts at the time immediately before the power cut ± 5 minutes.
Summer time/winter time is set manually.
Day Mon Set current day (Monday...Sunday).
Time 00:00 Set current time (00:00… 11:59 pm)
Settings
►Lang. English
Heat pump No
Indoor sens No
Boiler pellet °C 80
Alarm FlueGas °C 240
El Boiler °C 50
El boiler max kW 6,0
Max fuse A 20
External control NR
Setting house Param
Setting pellet
Holiday off
Set. tank
Setting DHW
Save setting
Load setting
Load factory setting
Service
► Functiontest pellets
Funktionstest other
Alarm info
Functiontest pellet
►Auger Feeder Off
Fan % 0
Auger burner % 0
El ignition Off
Funct. test other
►ElRelay 1,5/3 kW 0
ElRelay 3/6 kW 0
Pellet Off
Heatingcirpump. Off
MixingValve Close
DHW pump Off
Diode sensor Off
Alarm stored
Last alarm
xxxxx
Stored alarm
xxxxx
xxxxx
xxxxx
xxxxx
Setting Heating
► Max Primfl °C 55
Min Primfl °C Off
Heating off 16
Heat curve
Inclination 50
Adjustment 0
Setting pellet
► Level sensor % 0(50)
Flame detector % 99(50)
Burner type kW 15
Power full auger % 68
Power full fan % 40
Power part auger % 41
Power part fan % 20
Power min auger % 0
Power min fan % 0
Holding min 60
Auger Feeder s 30
Sequenz code 0
Time setting
Day Thursday
Time 18:03
Stored oper data
Total operation h 8768
El heat kWh 1234
Pellet h 3456
Max prim °C 62
Cold starts 14
Warm starts 354
Night reduction
►Activated No/Yes
Type WeekProg
Indoor temp red °C -2
Prim red °C -5
WeekProgram
Installer
►Settings
Service
Operation data
Outdoor °C -5
Indoor °C 20(20)
Boiler °C 70
FlueGas °C 160
Primfl. °C 45(45)
▼
Operation data ▲
Current A 12(20)
Pellet startphase 1K
Mixingvalve close
Program ID xxxxxxx
Program date xx-xx-xx
Operation data ▲
Heatingcirc. pump On
Elpower 3,0
▼
With indoor sensor
Without indoor sensor
With indoor sensor
Without indoor sensor
EcoFlex Thurs 8:03
Indoor °C 20.0(20.0)
Indoor Temp NR
Boiler °C 50
►Operation data
Stored oper data
Night reduction
Installer
Indoor temp
-
● ● ● ● + (52)
Set. tank
► Charge tank Yes
Temp tank °C 70
Diff °C 5
Tank prio No
3.4 Menu Indoor temperature
(the menu can be accessed directly from the main menu)
(when “operation without room sensor” is selected)
The room temperature is set in this menu if a room sensor has not been
fitted (selected in the settings menu). The house’s basic settings are first
set in the “house parameters” menu, usually with the help of the installation
contractor. Basic settings are then fine tuned using this menu.
If the indoor temperature is experienced as being too low or too high,
move the cursor towards + (increase) or – (reduce). Move a little at a time
and see what effect this has on indoor temperatures (1 day) before making
further changes. Several adjustments may be necessary at different outdoor
temperatures. However, a correct setting will be arrived at which will not
require further changing. A reference value (for example 50) is displayed
under the bar. This value depends on the basic value set. If the bar does not
extend far enough to allow the correct indoor temperature to be obtained,
the basic setting must be adjusted in the Installer/Settings/Setting Heating
menu. The cursor is then centred in relation to the new values.
!radiator thermostats must be fully open and
fully functioning when adjusting the system.

20
CTC EcoFlex
End user information
Settings
►Lang. English
Heat pump No
Indoor sens No
Boiler pellet °C 80
Alarm FlueGas °C 240
El Boiler °C 50
El boiler max kW 6,0
Max fuse A 20
External control NR
Setting house Param
Setting pellet
Holiday off
Set. tank
Setting DHW
Save setting
Load setting
Load factory setting
Service
► Functiontest pellets
Funktionstest other
Alarm info
Functiontest pellet
►Auger Feeder Off
Fan % 0
Auger burner % 0
El ignition Off
Funct. test other
►ElRelay 1,5/3 kW 0
ElRelay 3/6 kW 0
Pellet Off
Heatingcirpump. Off
MixingValve Close
DHW pump Off
Diode sensor Off
Alarm stored
Last alarm
xxxxx
Stored alarm
xxxxx
xxxxx
xxxxx
xxxxx
Setting Heating
► Max Primfl °C 55
Min Primfl °C Off
Heating off 16
Heat curve
Inclination 50
Adjustment 0
Setting pellet
► Level sensor % 0(50)
Flame detector % 99(50)
Burner type kW 15
Power full auger % 68
Power full fan % 40
Power part auger % 41
Power part fan % 20
Power min auger % 0
Power min fan % 0
Holding min 60
Auger Feeder s 30
Sequenz code 0
Time setting
Day Thursday
Time 18:03
Stored oper data
Total operation h 8768
El heat kWh 1234
Pellet h 3456
Max prim °C 62
Cold starts 14
Warm starts 354
Night reduction
►Activated No/Yes
Type WeekProg
Indoor temp red °C -2
Prim red °C -5
WeekProgram
Installer
►Settings
Service
Operation data
Outdoor °C -5
Indoor °C 20(20)
Boiler °C 70
FlueGas °C 160
Primfl. °C 45(45)
▼
Operation data ▲
Current A 12(20)
Pellet startphase 1K
Mixingvalve close
Program ID xxxxxxx
Program date xx-xx-xx
Operation data ▲
Heatingcirc. pump On
Elpower 3,0
▼
With indoor sensor
Without indoor sensor
With indoor sensor
Without indoor sensor
EcoFlex Thurs 8:03
Indoor °C 20.0(20.0)
Indoor Temp NR
Boiler °C 50
►Operation data
Stored oper data
Night reduction
Installer
Indoor temp
-
● ● ● ● + (52)
Set. tank
► Charge tank Yes
Temp tank °C 70
Diff °C 5
Tank prio No
3.5 Menu Operation data
(the menu is directly accessed from the main menu)
This menu displays current product and system temperatures and operating
data. Values in brackets are either required values or automatically
generated values which the product aims to achieve (set point).
Outdoor°C -5 Displays current outdoor temperature. The product uses this value to
determine a number of different operating data.
Indoor°C 21 (21) Displays current room temperature (if indoor sensor in operation is
selected), and required value “set point value” (in brackets).
Boiler°C 80 Displays the boiler temperature.
FlueGas °C 160 Displays current flue gas temperature.
Primfl. °C 35 (35) Displays the temperature of the primary flow to the house’s heating system,
and the temperature which the system aims to achieve. This value will
vary during operation depending on set parameters and current outdoor
temperatures.
Heatingcir. pump On Displays the heating circuit (radiator) pump’s operating status. The pump
stops in the summer time when there is no heating requirement. The pump
is however exercised occasionally to avoid it jamming.
Elpower kW 0,0 Displays supplementary power supplied by the electric boiler (0…9 kW).
The electric boiler connects power in steps of 1,5 kW (6 connection steps).
(Only Swedish version)
Current A 7,3 (20) Displays the house’s total current consumption on the hardest loaded
phase. The house’s main fuse size is displayed in brackets. Assumes that
the current sensor supplied has been fitted to the incoming cables. If the
current drawn exceeds the main fuse size, the electric boiler automatically
steps down a power step to protect the fuses, for example when several
high consumption equipment units in the house are being used.
(Only Swedish version)
Pellet Startph 1K Displays the pellet burner’s current operating status
Shut off: Off: Start phase: Stop: Temp control: Full: Part: Min:
Mixingvalve Open Displays whether the mixing valve valve increases/opens or reduces/closes
the heat supplied to the heating system. When the correct temperature has
been supplied, the valve solenoid then remains stationary.
Program ID 1011111 Control program identity.
Prog date 06-01-11 Control program version date.