Kabola HR Series User manual

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Userguide HR/HRE series Eng
HRE-CH HR-CH HR–Calorifier HR-Combi

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Introductory remarks
Congratulations on the purchase of your Kabola HR or HRE Boiler. Kabola has been a manufacturer of
oil-fired heating systems since 1947. This user manual is intended to familiarize the user with use of the
HR /HRE. The user must read this manual before bringing the boiler into use and follow the instructions.
This user manual must therefore be kept safely.
Section 2 covers the safety instructions that you must follow before installing the boiler. Other sections
cover safety instructions that you can recognize as shown below.
Tip: A tip gives the user suggestions and advice to be able to carry out
certain tasks more easily.
Note: The user is given additional information here.
Any potential problems are also covered.
Warning: Chance of (life-threatening) injuries
You can contact Kabola Heating Systems should you have any remarks, wishes or in the case of any
shortcomings. Any suggestion for the improvement of the manual are also always welcome. We wish you
every pleasure with your purchase.
Kabola Heating Systems
Placotiweg 1E
4131 NL Vianen (Utr.)
Netherlands
[phone]
www.kabola.nl
[email protected]
© 2017 Kabola Heating Systems B.V.
Copying (parts of) this user manual is only allowed with the explicit written permission of Kabola
Heating Systems.

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Table of contents
Preface 1
Table of contents 3
1 Introduction 4
1.1 General 4
1.2 Range of application 4
1.3 Product description 4
1.4 Technical specifications 4
2 Safety 5
2.1 General safety 5
2.2 Safety instructions 5
3 Transport and storage 6
3.1 Transport 6
3.2 Storage 6
4 Installing and preparing for first use 7
4.1 Installation 7
4.1.1 Fitting the boiler 7
4.1.2 Connection to the central heating system 7
4.1.3 Connection of domestic hot water supply. 8
4.1.4 Flue gas outlet 9
4.1.5 Electrical connection 12
4.1.6 Filling the central heating system 13
4.1.7 Mounting the oil burner 13
4.1.8 Mounting the oil filter and oil burner. 14
4.2 Starting your system 15
5 Operating the boiler 16
5.1 Explanation of the dashboard 17
5.2 Operation of the hot water on/ off switch 15
6 Cleaning and maintenance 16
6.1 Points for attention 16
6.2 Cleaning and maintenance 20
7 End of life of the boiler 20
Appendix A Technical specifications 21
Appendix B Electrical diagram 230 V 22
Appendix C Troubleshooting 24
Appendix E Boiler parts 25
Appendix F Burnerparts 25
Appendix G EC declaration 26
Appendix H CE declaration 27

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1 Introduction
1.1 General
This user manual is intended for both the installer and the end user of the Kabola HR or HRE heating
boiler. There is a wide range of HR/ HRE heating boilers with a broad range of applications. With this
purchase you obtain a product of the highest quality due to the practical application of the latest
European standards and directives and modern technologies. Kabola Heating Systems BV has been
developing and producing heating systems in the Netherlands since 1947.
Use the manual for both installation and while maintaining and replenishing your heating system. Save
the manual carefully for future use. You can obtain a digital copy at any time by mailing [email protected]
or by downloading from the website www.kabola.nl.
1.2 Area of application
The HR and HRE central heating boilers are intended to supply heat to heat up water (or coolant) in a
central heating system and/or in combination with the Kabola hot air system.
The HR CALORIFIER boiler with calorifier control is intended to heat both the heating system and hot
water using a boiler vessel.
The HR COMBI boiler is intended to heat the heating system and hot tap water without a boiler vessel.
The boilers are not intended to directly heat the space in which they are installed. Heating only takes
place using radiators, a hot air system, underfloor heating and/or any custom-made airco systems in
which the Kabola boiler is integrated. When using the boilers, account must be taken of the
dimensions of the spaces to be heated.
So always carry out a capacity calculation beforehand or take in advice.
1.3 Description of the boilers
The Kabola boiler heats the boiler water by means of an oil burner assembled on the boiler. The boilers
are supplied as standard as a 230 V design (also see the technical specifications in annex A).
Domestic fuel oil 1, domestic fuel oil 2, diesel or gas oil must be used as fuel. Should you want to use
biofuels or mixtures ask for additional advice. These fuels are being developed at speed and have
advantages and disadvantages with which account must be taken.
1.4 Technical specifications
You can find the most important specifications on the type plate attached to the right-hand side of the
boiler. The address of the manufacturer is also mentioned here. You can find the full technical
specifications in the back of this manual.
1.5 Guarantee provisions
We refer you to the guarantee certificate for the guarantee provisions. It is very important that the boiler
is brought into use after installation, and that the commissioning protocol (for bringing into use) is returned
to Kabola Heating Systems BV in Vianen. You are then covered by the guarantee.

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2 Safety
This section includes a summary of points from the manual concerning safety for the procedures you
will follow.
2.1 General safety
Warning: Kabola Heating Systems designs and builds its products according to the
current best available techniques. However, it is possible that dangers may
occur that can result in injuries or damage to the boilers if the safety
instructions are not followed.
The user must:
 Have read and understood the ‘Safety’ section;
 Not carry out any activities that may endanger health;
 Not carry out any activities that may cause damage to the boiler;
 Ensure that the boiler is only used when it is in a technically good condition and has been installed
in the correct way;
 Ensure that the safety measures are complied with during use of the boiler.
Note: No changes may be made to the boilers without the explicit written
permission of Kabola Heating Systems!
2.2 Safety instructions
The safety instructions specified below must be followed when using the Kabola boiler.
MEASURES FOR SAFE INSTALLATION
 Do not place any flammable and/or gaseous substances that may cause danger of explosion or fire
in the space where the boiler is or is to be installed.
 Install the boiler in a moisture-free space on a strong, horizontal surface.
 Fasten the boiler with the assembly bolts (M5) supplied for that purpose.
 Ensure sufficient ventilation in the space where the boiler is installed (see § 4.1.1).
 Provide an earthed wall socket (230 V AC) for the connection of the boiler.
 Before you start connecting make sure there is no voltage on the system.
 For the electrical connections and thermostat connections only use multi-core cables with flexible
core (minimum 0.75 mm2).
MEASURES FOR SAFE USE
 Never change the burner settings on your own initiative.
 When cleaning the boiler do not use any aggressive cleaning products that may corrode the boiler.
 Have the boiler settings checked each year by a specialist installer.
 Before you start working on the boiler make sure there is no voltage on the system.
 Collect any oil that may be released.
 It is recommended to only have maintenance and repair activities carried out by specialist and
Kabola-certified persons.
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3 Transport and storage
3.1 Transport
Take the following measures before the boiler is transported:
 Drain off the boiler water.
 Disconnect the fuel system.
 Disassemble the burner if required (see § 4.1.6, burner assembly).
During the transport of the boiler the following points must be observed:
 Make sure that the casing cannot be damaged. Use a blanket for example.
 Transport the boiler upright with the base below.
3.2 Storage
When the boiler is to be stored for longer time one must proceed as follows:
 Make sure that the boiler and accessories are stored in a dry and frost-free place.
 Disassemble the burner if required (see § 4.1.6, burner assembly).
 Make sure that the boiler is placed upright.
 Make sure that the boiler is stable.

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4 Installation and bringing into use
In this section you can find instruction and tips for the correct placing and connection of the
boiler and the associated equipment.
Warning: Do not place any flammable and/or gaseous substances that may cause
danger of explosion or fire in the space where the boiler is or is to be
installed.
4.1 Installation
4.1.1 Placing the boiler
 Place the boiler in a moisture-free space.
 Place the boiler on a strong, horizontal surface and fasten it firmly with the angle brackets and
M5 bolts supplied.
 Ensure sufficient ventilation in the space where the boiler is to be installed.
 As a general rule for determining the diameter of the ventilation opening you can use 2.5 times
the diameter of the flue gas outlet (at least 150 mm).
 Secure the base of the boiler against slipping using an angle bracket with bolts or tack-
welding.
 Make sure there is a distance between the outlet and the wall of at least 10-20 mm because of the
heat transfer from the flue gas outlet.
 Ensure sufficient space around the boiler for service and maintenance work.
 Provide an earthed wall socket (230 V AC) for the connection of the boiler.
4.1.2 Connection to the central heating system
PIPING
When assembling the piping the following points must be respected:
 Assemble the piping in such a way that the boiler and control panel remain accessible;
 Ensure sufficient ventilation in places where air can accumulate.
Note: Ensure ventilation if the piping does not slope upwards.
EXPANSION TANK
An expansion tank must always be assembled with a closed central heating system (pressure system).
 Always assemble the expansion tank in the return pipe (see fig 2) as near as possible to the boiler.
 The size of the expansion tank is approximately 10% of the total water capacity of the whole system.
For example; with a volume of 120 litres, assemble a 12-litre expansion tank.

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HR –HRE central heating boiler (fig 1)
Connection of piping to the boiler takes place as follows:
1. Assemble the central heating supply pipe at point 1;
2. Assemble the central heating return pipe at point 2;
3. Assemble the separately supplied filler tap and drain
combination at point 4 (see fig 1).
Fig 1
HR calorifier boiler (fig 2)
Connection of piping to the boiler takes place as follows:
1. Assemble the central heating supply pipe at point 1
2. Assemble the central heating return and boiler vessel
return at point2;
3. Assemble the boiler vessel supply at point 3;
4. Assemble the separately supplied filler tap and drain
combination at point 4 (see fig 2).
5. The letters B and A are market on the 3way valve
Note:
Fig 2
A boiler vessel thermostat must always be fitted
(available from Kabola Heating Systems)
HR combi boiler (fig 3)
The connection of piping to the HR combi takes place as
follows:
1. Assemble the central heating supply pipe at point 1;
2. Assemble the central heating return pipe at point 2;
3. Assemble the separately supplied filler tap and drain
combination at point 4 (see fig 2).
4. Assemble the hot sanitary water pipe at point 5
(output);
5. Assemble the cold sanitary water pipe at point 6
(input).
Fig 3
2
1
2
3
4
2
1
6
5
B
A
4
1

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4.1.3 Flue gas extraction
GENERAL
Flue gas extraction is an essential part of your heating installation. Well-assembled flue gas extraction
considerably extends the working life of your heating boiler and has a positive effect on heating efficiency.
Warning: Because in most cases the flue gas temperature is higher than 180 °C, it is the
desirable to insulate the outlet with heat-resistant material in places where
contact with body parts is possible. These are available from Kabola Heating
Systems B.V.
 Ensure the correct length/diameter proportions. We advise assembling a flue gas outlet with a
diameter of 60 mm with a maximum length of 5 meters.
 On sailing and seagoing vessels we advise using a vertical flue gas discharge system (see fig 5).
AUTOMOTIVE APPLICATION
With the installation of the heating system for an application not for use on water, one can decide to
keep the flue gas outlet as short as possible.
HORIZONTAL OUTLET WITH SKIN FITTING
It is possible to bring the flue gas outlet horizontally from the boiler through the wall. The following
points must then be respected:
 The maximum permitted length without bends is 3 meters.
 Make sure that the outlet is amply above the water level. If this is not possible use a curved
construction (a swan neck as pictured on the right in figure 4).
 Use a skin fitting (single- or double-walled) to bring the flue gas outlet through the wall.
 Use as few as possible bends, no more than 3 bends of 90 °.
Tip: If with the existing assembled flue gas outlet you have a larger diameter than
the diameter of the flue gas outlet from the boiler, we recommend assembling
a flexible flue gas outlet (50 mm diameter) in the existing flue gas outlet. The
necessary adaptors and auxiliary parts are available from Kabola Heating
Systems B.V.
Warning: When using a flue gas outlet longer than prescribed it is possible that
condensation water may originate in the outlet. It is very important that the
condensation water does not form a water trap with the flue duct becoming
blocked (as pictured on the left in figure 4).
Using a swan neck (as pictured right in figure 4) prevents water from
entering the flue duct from outside.
Fig. 4

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VERTICAL FLUE GAS OUTLET
This way if installation is preferable for seagoing boats and
sailing boats, because these boats encounter large angles of
heel through waves and under sail. For this kind of flue gas
outlet, the following points are important:
Install a proper storm cowl on top of the chimney (this must
stop rain from entering) (figure 4).
Install deck fittings for installing the flue through a deck.
Install a water trap, to drain possible water caused by
condensation
Keep the chimney as vertical as possible.
Don't use more than 4 elbows 90°.
The maximum allowed length is 10 meters. At more than
10 meters in length, always contact Kabola for advice.
Every elbow of 90° is equivalent to 1 meter straight pipe.
Use outside double walled chimney pipe
With a vertical outlet always use a drain!
Hint: To reduce the noise from flames, it is wise to install a silencer in the exhaust.
Tip: Als maatwerk kan Kabola een dekdoorvoer onder een hoek produceren zodat de schoorsteen recht
staat.
Your Kabola supplier can provide you with all components which may be required for installation such as:
Cowls;
Flexible piping;
Single and double walled chimney pipes;
Hull and deck fittings;
Silencers;
Water traps;
Insulation.
Fig. 5
Always install a drain with tap directly on the boiler
(See Figure 5.a)
Fig. 5.a

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4.1.4 Electrical connection
HR-HRE- CH
To connect the room thermostat (Figure 6)
For connecting the room thermostat use a 2-core insulate
wire 0,75 mm2. The room thermostat you must connect as follows:
Remove the cover of the thermostat
Connect the two thermostat wires to point Lx and L1 (Fig. 7)
HRE- CH
To connect the thermostat wires on the HRE Boiler
Remove the 7-pin connector at the rear left side of the front panel (see Figure 8).
Remove the lid from the 7-pin connector
Remove the 'bridge' of T1 and T2, connect here the thermostat wires (see sticker).
Warning:
Disconnect the power supply from the boiler before you start the
installation. The quality of 230 VAC power supply to the boiler should
be as good as the power supply from a land line.
TIP:
If you are using an inverter, we recommend a 900W sine wave
inverter.
Do not place the room thermostat near a heat source!
Fig. 6
Lx
L1
↓
↓
Fig. 7
Fig. 8

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HR –CH , Calorifier and Combi boiler
Connection of the room thermostat and the function warm water on / off
For connecting the room thermostat (with the function of hot water on / off) using a 4-wire 0.75 mm²
insulated cable. The room thermostat must be connected as follows:
HR Boiler, Calorifier and combi:
Remove the right plug is located behind the dashboard (see Figure 12);
Remove the lid from the connector
Connect the wires of the room thermostat to T1 and T2 as indicated on the sticker in the plug (see
Figure 11);
HR Calorifier and combi:
Connect the wires of the hot water on / off function on the points S3 and B4 as indicated on the
sticker in the plug (frost guard) (see Figure 11);
Only at the HR boiler with calorifier are the two wires to be mounted from the boiler thermostat to
the points L1 and N. (see Figure 11);
Please remove the front of the room thermostat;
Connect the wires to the thermostat on Q14 and Q11 (see Figure 10); Please remove the front of
the room temperature controller;
Connect the hot water on / off function on at the points Q21 and Q22 in the thermostat (see Figure
10);
If the tap is visible in the display,hot water is turned on. If not, it is disabled.
Q
21
Q
22
Q
11
Q
14
Fig. 9 Fig. 10
Fig. 12
Fig.11
Right plug

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4.1.6 Filling the central heating system for the HR and HRE Boiler
The loose fill and drain combination is mounted at point 4 (see figure 2, page 8). Connect your hose on to
open the fill and drain combination black button draaien.Open tap the left and put the kettle on 2 bar pressure
(see pressure gauge). Vent the entire heating system and put the heating system is between 1.5 and 2 bar
pressure.
Add 230 volt voltage to the system by inserting the plug into the earthed electrical socket.
Bleeding the circulation pump
Adjust the temperature of the room thermostat higher than the ambient temperature (for example,
5 degrees higher);
Set the on / off switch (button lights);
Put the heating pump in automatic venting position. Control knob to 12 hours (see Figure 9);
Turn a quarter of a turn the red button after about 5 minutes, to position 3 (see Figure 10);
Check the entire system for air and check the pressure (fill if necessary).
Tip:
If you do not live permanently on board we recommend to fill the heating system with coolant. The cooling
liquid must be suitable for heating systems (pH value 8.5). For
more information please contact your dealer or Kabola,
Netherlands
See manual from the circulation pump.
Attention: When locking pump couplings are supplied with the boiler, the adjusting grooves must point
towards the pump.
Venting mode: Turn switch on 12 o’clock Operating mode: Turn switch at +/-position 3
(light flashes) (the light will burn continuous)
Figure 9 Figure 10

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4.1.7 Connecting of the filter at the oil burner (oil pump)
For the connection of the oilfilter the following operations have to be carried out (see figures above ).
Connect the two oil hoses from the burner to the oilfilter
Please note that the arrow markings, ensure that the arrow directions of the oil pump and the oil
filter match, the flow and return (see figure 14 and 15);
Connect the oil line directly from the fuel tank, to the filter (no branch from other users oil (see Figure
15, connector C);
Venting of the oil filter to pass through swivel rotating D counter-clockwise (see Figure 15). It should
clear oil out without foam.
Warning: By the following automatic air vent filters never change flow and
return (A and B, see figure 14 and 15), this can damage the filter!
Install the oil filter higher than the oil pump (only in automatic air vent filters);
4-D133 Oilfilter TOC-80
Optional
57-001 Oilfilter Flocotop
optional
Figure 14
Figure 15

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4.2 Starting your system
After the room thermostat is connected, the following steps:
Insert the plug into the grounded socket for 230 volt version.
Switch the boiler on, at the on / off switch on the control panel. The lamp in the switch indicate that
the system is on.
Put the boiler temperature between 75°and 80°C with the boiler thermostat.
Set the room thermostat in demand by putting the temperature (for example) 5 degrees higher than
the ambient temperature (see also the instructions of the room thermostat);
Open the valve on the fuel tank;
Turn the valve on the oil filter through the red knob counterclockwise completely open;
Open airscrew D by turning left (see Figure 15). Keep repeating this until there are clear oil comes
out of the hose:
If the red (fault) light of the oil burner lit, reset it by pushing it;
If oil is present the burner will start. If no oil is present the oil burner will give a malfunction. Reset
the oil burner by pressing the red light. (Repeat up to 5 times);
Check all oil connections for leaks when the burner is working;
Bleed the entire heating system again;
Check if the boiler turns off when the boiler has reached the set temperature;
If you have automatic vent filters (flocotop and toc80), follow the same steps as above
Check for oil will enter the upper glass bowl;
othe oil has to have a light color
oNo foaming may occur
Check the steps of section 4.1.7 if no oil will be placed in the glass bowl;

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5. Operating the boiler
When the boiler has been started and adjusted according to 4.2, operation fo the boiler is very simple.
The required temperature is set with the room thermostat, which controls the boiler. The calorifier thermostat
controls the boiler. The operation of the room thermostat is explained in the manual of the room thermostat.
If problems arise with the operation of the boiler, you will find a list of possible problems and solutions in
Appendix C.
Operating the room thermostat
Please refer to the manual thermostat
HRE Boiler
Put the boiler temperature between 75°and 80°C with the boiler thermostat.( See figure 16A, Button D)
Set the pump stop thermostat to +/- 50°C (See figure 16B)
Explanation from the number in the figure 13:
A. Fuse holder with a glass fuse 10A 230V,
B. On/ off switch,
C. Analogue display for boiler temperature ,
D. Adjust nob for boiler temperature,
E. Reset nob maximal thermostaat.
F.
Control panel HRE boiler (backsite) Fig. 16B
Pumpstop thermostat
Fig. 16A
< A
< B
E
< D
< C

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5.1 Explanation of the dashboard
Operating panel HR-CH (front)
Figure 17
10 Amp fusing High limit thermostat (is found on the back)
On/off switch Display|boiler thermostat
Explanation of the operating panel
Set the boiler temperature to 80 degrees Celsius (press boiler thermostat button in and turn).
Numbers
Explanation
Photo
0
Rest position (boiler is on stand-by)
Circulation pump stopped
1
Room thermostat demands heat.
Circulation pump operating
3
Circulation pump further running time.
Circulation pump operates for ± 3
minutes
The figure (19) on the right of the display shows the
current boiler water temperature

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Numbers
Explanation
Photo
0
Rest position (boiler is on stand-by)
Circulation pump stopped
1
Room thermostat demands heat.
Circulation pump operating
2
Hot water demand from the boiler (boiler thermostat)
Circulation pump operating
3
Circulation pump further
running time 0 seconds

Flashing point = hot water off

Point lit up = hot water stand-by
The figure (19) on the right of the display shows the
current boiler water temperature
Operating panel HR-Calorifier (front)
Figure 18
10 Amp fusing High limit thermostat (is found on the back)
On/off switch Display|boiler thermostat
Explanation of the operating panel
Set the boiler temperature to 80 degrees Celsius (press boiler thermostat button in and turn).
Key to the boiler display

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Numbers
Explanation
Photo
0
Rest position (boiler is on stand-by)
Circulation pump stopped
1
Room thermostat demands heat.
Circulation pump operating
2
Hot water is drawn off. Circulation pump
operating
3
Circulation pump further running time.
Circulation pump operates for ± 3
minutes
4
Tap comfort position
Boiler kept at temperature

Flashing point = hot water off

Point lit up = hot water stand-by
The figure (19) on the right of the display shows the
current boiler water temperature
HR- combi boiler
Operating panel HR-Combi boiler (front)
Figure 19
10 Amp fusing High limit thermostat (is found on the back)
On/off switch Display|boiler thermostat
Explanation of the operating panel
Set the boiler temperature to 80 degrees Celsius (press boiler thermostat button in and turn).
Key to the combi boiler display

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6. Cleaning and maintenance
a. Points for attention
Replacement parts must be ordered from Kabola Heating Systems. Only original replacement parts may
be used for the guarantee to be applicable. Mention the type and serial number when ordering. Kabola
Heating Systems can then supply the correct parts. Annex E includes a summary of the parts.
b. Cleaning and maintenance
Warning: Carry out maintenance and repair activities when the boiler is switched off
because the boiler could unexpectedly start up. Remove the plug from the wall
socket.
Warning: Maintenance and repair activities must be carried out by an accredited
installer or a service technician from Kabola Heating Systems.
Annually
1. Clean the boiler;
1.1. Remove the oil burner;
1.2. Remove the boiler door;
1.3. Remove the boiler gasket.
1.4. Clean the inside of the boiler using a pipe cleaner;
Note: Do not use any aggressive cleaning products when cleaning.
1.5. Suck the heating boiler empty with a vacuum cleaner;
1.6. Replace the boiler gasket;
1.7. Replace the boiler door;
2. Clean the flue if necessary.
3. Replace the oil filter cartridge;
4. Clean the burner (see burner manual).
5. Replace the nozzle;
6. Replace the electrode block if required;
7. Replace the photocell if older than 5 years;
Note: The old oil filter cartridge must be processed as chemical waste.
It is advised to have the burner settings inspected and adjusted each year by a service technician
certified by Kabola Heating Systems.
7. Disposal
When disposing of the boiler the following points are important for reasons of safety:
 Dispose of the oil filter and the oil hoses as chemical waste;
 Separate the metal parts and plastic parts and dispose of them separately;
 Dispose of any oil in an environmentally friendly way;
 Transport the discarded boiler according to the instructions in section 3;
 Dispose of this manual with waste paper.