klover pellet boiler 24 User manual

Pellet boiler
PELLET BOILER 24
INSTALLATION
USE AND MAINTENANCE
USEFUL ADVICE
User guide
EN

3
Dear Customer,
we would firstly like to thank you for choosing a “KLOVER” boiler and we hope you
will be satisfied with this product.
We recommend that you read the warranty certificate carefully, which you will find on the last page of this
User Guide; call the Authorised Technical Assistance Centre (TAC) immediately for commissioning and
validation of your warranty.
We would like to thank you again for trusting KLOVER products and we also inform you that these models
are the result of forty years experience in the field of construction of solid fuel products which uses water as
heat carrying fluid.
Every part that composes the boiler has been built by qualified staff, using the most modern equipment.
The manual contains a detailed description of the boiler and its functioning, instructions for proper
installation, basic maintenance and control points, which must be periodically performed; furthermore it
contains practical advice which helps to obtain maximum performance from the stove-boiler with minimum
fuel consumption.
The heat input produced by the boiler can change according to the pellet that you use.
Enjoy the heat with KLOVER!
Technical Support
Klover pellet stoves are imported and distributed by FirePower Heating, Capton, Dartmouth, Devon, TQ6
0JE.
UK technical and product support is provided by FirePower Heating who can be reached on 0844 3320156.
Copyright
All rights reserved. The reproduction of any part of this manual, in any form, without the explicit written
permission of KLOVER srl is forbidden. The content of this manual can be modified without forewarning.
Although we have carefully collected and verified the documentation contained in this manual, KLOVER srl
cannot be held liable for how you utilise it.
Copyright © 2010 KLOVER srl
Latest revision: 1.0 –May 2013

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GENERAL INDEX
Introduction…………………………………………………………………………………….. 6
Important safety instructions…………………………………………………………………….6
Some precautions……………………………………………………………………………….. 6
Conventions used in the manual………………………………………………………………..6
Destination of use………………………………………………………………………………...7
Installation regulations………………………………………………………………………….. 7
Health and safety………………………………………………………………………………… 7
The machine and the pellets………………………………………………………………… 8
Boiler components………………………………………………………………………………. 8
Connections data sheet…………………………………………………………………………. 10
Technical features……………….………………………………………………………………. 11
Pellet features……………………………………....……………………………………………. 12
Requisites of the place of installation………..……………………………………………. 13
Positioning…………………………………………………………………………………………13
Spaces around and above the boiler.…………….…………………………………………….13
External air vent…………………………………………………………………………………..13
Flue and connection to the same –Chimney…......…………………………………………..14
Electric connections…………………………………………………………………………...17
Control of any coupled boiler…………………………………………………………………… 17
Control of a three-way motorised valve for the DHW system………………………………..17
Connection to room thermostat….……………………………………………………………...18
Hydraulic connection…………………………………………………………………………. 19
Connection examples…………………………………………………………………………… 20
Cleaning and Maintenance……………………………………………………………………21
Precautions before cleaning……………………………..............……………………………..21
Routine cleaning…………………………………………………………………………………. 21
Extraordinary cleaning…………………………………………………………………………...22
Cleaning the ceramic glass……………………………………………………………………...26
Cleaning the flue………………………………………………………………………………….26
Maintenance……………………………………………………………………………………… 26
The display………………………………………………………………………………………27
The menu………………………………………………………………………………………...30
Commissioning…………………………………………………………………………………34
Filling the system for the first time………………………………………………………………34
Pellet loading and connection to the mains…………………………………………………… 34
Boiler ignition cycle……….………………………………………………………………………34
Boiler work phase…………………………………………………………….…………………..35
Producing domestic hot water (prepared models only)……………………………………… 36
Boiler switch-off………………………………………………………………………………….. 36
Modification of DHW, room and water temperature setting………………………………….36
Alarms signal……………………………………………………………………………………...37
What happens if… …………………………………………………………………………….38
Circuit board parameters…………………………………………………………………….. 39
Wiring diagram……..………………………………………………………………………….. 41
Cleaning and control interventions…………………………………………………………42
Notes……………………………………………………………………………………………...45
Warranty………………………………………………………………………………………….46

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INTRODUCTION
Important security instructions
Read these instructions before installing and using the product.
The boiler must be installed and commissioned by skilled personnel aware of the
importance of respecting the Safety Standards in force. They will be responsible for the
definitive installation of the machinery and its consequent proper operation.
KLOVER srl will not be held responsible if these precautions are not respected.
During installation of the appliance all local regulations, included those referring to National
and European Standards, must be followed.
Connect the product flue gas outlet to a flue that has the features given in the Connections section
in this user guide.
The appliance is not suitable for the installation on a shared flue system.
If the flue should catch fire, you must be provided with appropriate systems for damping down the
fire or call the fire service.
Connect the product to sockets with earth. Avoid using sockets controlled by switches or automatic
timers.
Do not use a damaged or worn power supply cable.
If a multiple socket is used, make sure that the total voltage of the connected devices does not
exceed that supported by the socket. Furthermore make sure that the total voltage of all these
devices connected to the socket does not exceed the maximum level accepted.
Do not use flammable substances to clean the appliance and its elements.
Do not leave containers and flammable substances in the place where the boiler is installed.
Do not use the appliance as incinerator or in any other way different from that for which it has been
designed.
Do not use fuels different to those which are recommended.
Do not use liquid fuels.
External surfaces of the appliance reach high temperatures when it is running; operate with caution
in order to avoid burns.
Only use original spare parts recommended by the manufacturer.
Do not perform any unauthorised modification to the appliance.
The use of poor pellets or pellets made of any other material can lead to damage of the
boiler functions and can also make the warranty null and void and make the manufacturer
exempt from all responsibility.
The Klover pellet products are not suitable for use in smokeless zones.
Some Precautions
Do not touch the hot components of the product (ceramic glass, flue pipe) during normal
functioning.
Use the appropriate button to switch the electrical panel off. Do not disconnect the power supply
cable while the boiler is running.
Keep children away from the boiler when it is running since they could get burned by touching its
hot components.
Children and inexperienced people are not allowed to use the appliance.
NEVER open the door of the boiler while it is running.
Conventions used in the manual
Danger due to boiler functionality
General danger for personal safety
Danger for people and objects due to materials at high temperatures.
Danger for people and objects due to electric power.
Burns hazard for people due to pressurised hot liquids.
(with temperature not exceeding boiling point at atmospheric pressure).

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Destination of use
The new automatic operation PELLET BOILER by Klover has been designed for heating your home.
The boiler works exclusively with wood pellets and only with the hearth door shut. Never
open the door when the appliance is running.
The boiler has a DOUBLE COMBUSTION system that guarantees an extraordinary efficiency
average and “clean” flue gas exhaust with an emission of CO in the atmosphere which is among the
lowest in Europe.
Do not use the boiler in disagreement with the indications contained in this user guide. The
boiler is an indoor product.
This user guide is integral part of the boiler.
If the product is transferred the user must give this manual to the new purchaser.
KLOVER S.R.L. DECLINES ANY RESPONSIBILITY IN CASE OF ACCIDENTS DUE TO THE FAILURE
TO COMPLY WITH THE SPECIFICATIONS OF THIS MANUAL.
FURTHERMORE, KLOVER S.R.L. DECLINES ANY RESPONSIBILITY DUE TO INCORRECT USE OF
THE PRODUCT BY THE USER, MODIFICATION AND/OR UNAUTHORISED REPAIRS, USE OF NON -
ORIGINAL SPARE PARTS OR SIMPLY NOT SPECIFIC FOR THIS PRODUCT.
KLOVER S.R.L. IS NOT RESPONSIBLE FOR INSTALLATION OF THE THERMO STOVE. THE
INSTALLER IS THE ONLY PERSON RESPONSIBLE FOR THIS OPERATION AND HE IS ALSO
ENTRUSTED WITH CHECKING THE FLUE, THE EXTERNAL AIR VENT AND THE CORRECTNESS OF
THE SOLUTIONS SUGGESTED FOR INSTALLATION. ALL THE SAFETY STANDARDS CONTAINED IN
THE SPECIFIC LAW IN FORCE OF THE STATE WHERE THE THERMO STOVE IS INSTALLED MUST
BE RESPECTED.
EXTRAORDINARY MAINTENANCE MUST ONLY BE PERFORMED BY AUTHORISED AND QUALIFIED
STAFF.
For the validity of the warranty, the user must comply with the indications contained in this
guide and in particular:
Use the boiler according to its operational limits;
All maintenance must be performed constantly;
Only authorise expert and competent people to use the boiler.
Failure to comply with the requirements of this guide makes the warranty automatically void.
Installation Regulations
These operating and instructions cover the basic principles to ensure the correct installation of the pellet
stove, although particulars may need modification to reflect local site conditions. In all cases the installation
must comply with current Building Regulations, Local Authority By-laws and other regulations that affect the
installation of the stove.
The Building Regulations requirements can be met by adopting the relevant recommendations given in
British Standards BS 8303, BS 6461 and BS 7566 as
an alternative means to achieve an equivalent level of performance to that obtained by following the
guidance given in Approved Document J.
Health and Safety
Care must be taken when installing a Klover pellet stove to ensure that the requirements of the Health and
Safety at Work Act are met.
Handling
Adequate facilities must be available for loading, unloading and site handling the appliance bearing in mind
the weight of the appliance.

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THE MACHINE AND THE PELLETS
Boiler components
The boiler is delivered with the following equipment:
USE, INSTALLATION AND MAINTENANCE GUIDE;
1 POWER SUPPLY CABLE;
1 METAL KEY FOR VENT VALVE;
1 RUBBER PIPE FOR VENT VALVE;
1 BRUSH FOR FLUE GAS TURN CLEANING.
This manual is integral part of the machine; if the boiler is transferred, it is mandatory to give it to the
new purchaser.
AIR VENT WITH KEY
AND RUBBER PIPE
SYSTEM
PRESSURE
MANOMETER
BOILER BOILER
AND SYSTEM
LOAD COCK

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MASTER SWITCH
ATTACHMENT FOR POWER
SUPPLY CABLE
AND 2 INCORPORATED
FUSES
(4A 250V)
SECURITY
THERMOSTAT
MANUAL RESET
ROOM
THERMOSTAT
CONNECTION
CLAMP
AIR
INTAKE
PIPE
FLUE
EXHAUST
SYSTEM DRAIN
COCK
FLOW
CONNECTION
WITH CHECK
VALVE
RETURN CONNECTION
WITH SAFETY VALVE
CALIBRATED AT 2.5 BAR
DOMESTIC COLD
WATER INLET (ONLY
ON MOD. WITH SET-
UP)
+ SYSTEM LOAD AND
BOILER BODY
DOMESTIC HOT
WATER OUTLET
(ONLY ON MOD.
WITH SET-UP)

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Connections data sheet
75
130
190
1200
660
120
140
S
A
X
R
C
F
M
190
VISTA
POSTERIORE
180
140
210
280
390
230
M= Ø ¾” F GAS SYSTEM FLOW
R= Ø ¾” M GAS SYSTEM RETURN
C = Ø 14 mm DOMESTIC HOT WATER OUTLET (on prepared models only)
F= Ø 14 mm DOMESTIC COLD WATER INLET
S= Ø 100 mm M FLUE OUTLET
A= Ø 60 mm AIR SUCTION DEVICE
X= Ø ½” F GAS DRAIN SAFETY VALVE
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