klover DIVA SLIM Series, DIVA SLIM, DIVA SLIM WOOD Installation, Use And Maintenance, Useful Tips
ENGLISH
DIVA SLIM pellet
boiler stove
INSTALLATION, USE AND
MAINTENANCE, USEFUL TIPS
SERVICE DECLARATION
Ref. Annex III EU Regulation no. 305/2011
DoP/KLOVER-044
1. Identification number
:
DSL, DSLW
2. Model and/or lot no. and/or serial no. (Art. 11-4)
:
DIVA SLIM, DIVA SLIM WOOD
3. Intended use of the product according to the
relevant harmonised technical specification
:
Wood pellet-fired domestic heating appliance
4. Name or trademark of the manufacturer (Art11-5)
:
KLOVER s.r.l.
I - 37047 San Bonifacio (VR) – Via A. Volta, 8
5. Name and address of the representative (Art.12-2)
:
-
6. Assessment and verification system of the
performance constancy (Annex 5)
:
System 3
7. Notified laboratory
:
NB 0476
KIWA CERMET ITALIA S.p.A.
Number of test report (based on System 3)
:
2002365/C-371
8. Declared performances
HARMONISED TECHNICAL SPECIFICATION
EN 14785
PERFORMANCE FEATURES
PERFORMANCE
Fire resistance
A1
Distance from combustible material
200 mm
Fuel spillage risk
Compliant
Emission of combustion products
- Nominal power
- Reduced power
CO at 13% of O2 0.003 %
CO at 13% of O2 0.021 %
Effective temperature Compliant
Electrical safety
Compliant
Accessibility and cleaning Compliant
Maximum operating pressure -
Mechanical strength
NPD (performance not determined)
Thermal performance
- Nominal power (reduced)
- Nominal power (reduced) yielded to water
- Nominal power (reduced) yielded to the
environment
18.4 kW (4.3 kW)
13.8 kW (3.2 kW)
4.6 kW (1.1 kW)
Yield
- Nominal power
- Reduced power
ɳ 93.1 %
ɳ 92.9 %
Flue gas temperature
- Nominal power
- Reduced power
T 123.0 °C
T 82.3 °C
9. The performance of the product referred to in points 1 and 2 is compliant with the declared performance in
point 8.
This declaration is released on the sole responsibility of the manufacturer referred to in point 4.
Signed in the name and on behalf of the manufacturer by:
San Bonifacio (VR), 09/04/2018
Mario Muraro
Chairman of the Board
CONTENTS
CONTENTS ........................................................................................................................................................................ 1
INTRODUCTION ................................................................................................................................................................. 3
IMPORTANT SAFETY INSTRUCTIONS ................................................................................................................................... 3
THE MACHINE AND THE PELLETS ................................................................................................................................. 4
COMPONENTS OF THE APPLIANCE ..................................................................................................................................... 4
OVERALL DIMENSIONS ...................................................................................................................................................... 7
CONNECTIONS DATA SHEET .............................................................................................................................................. 8
TECHNICAL SPECIFICATIONS ............................................................................................................................................. 9
PELLET PROPERTIES ...................................................................................................................................................... 10
REQUIREMENTS OF THE PLACE OF INSTALLATION ................................................................................................. 10
POSITIONING .................................................................................................................................................................. 10
SPACES AROUND AND ABOVE THE APPLIANCE .................................................................................................................. 11
EXTERNAL AIR INTAKE .................................................................................................................................................... 11
THE FLUE AND CONNECTION TO THE SAME ....................................................................................................................... 12
CHIMNEY ....................................................................................................................................................................... 13
ELECTRICAL CONNECTION .......................................................................................................................................... 14
CONTROL OF ANY COUPLED BOILER ................................................................................................................................ 14
CONTROL OF A POSSIBLE THREE-WAY MOTORIZED VALVE FOR DHW SYSTEM MANAGEMENT ............................................. 15
CONNECTION TO THE ROOM THERMOSTAT ....................................................................................................................... 15
HYDRAULIC CONNECTION ............................................................................................................................................ 16
THE DISPLAY .................................................................................................................................................................. 17
THE MENU ....................................................................................................................................................................... 19
INITIAL START-UP .......................................................................................................................................................... 22
SYSTEM CONFIGURATION ............................................................................................................................................... 22
INITIAL FILLING OF THE SYSTEM ....................................................................................................................................... 24
PELLET LOADING AND CONNECTION TO THE MAINS POWER SUPPLY ................................................................................... 25
IGNITION CYCLE.............................................................................................................................................................. 25
SWITCH-OFF CYCLE ........................................................................................................................................................ 25
MODIFYING THE WORKING POWER .................................................................................................................................. 26
CHANGING THE WATER TEMPERATURE BOILER OR PUFFER ............................................................................................... 26
PROBLEMS, ALARMS, USEFUL TIPS ........................................................................................................................... 27
USEFUL INFO… .............................................................................................................................................................. 27
WHAT HAPPENS IF… ...................................................................................................................................................... 28
ALARM SIGNALS ............................................................................................................................................................. 29
CLEANING AND MAINTENANCE ................................................................................................................................... 29
PRECAUTIONS BEFORE CLEANING ................................................................................................................................... 29
ROUTINE CLEANING ........................................................................................................................................................ 29
NON-ROUTINE CLEANING ................................................................................................................................................ 30
ANNUAL CLEANING ......................................................................................................................................................... 32
CLEANING THE CERAMIC GLASS ...................................................................................................................................... 34
CLEANING THE FLUE ....................................................................................................................................................... 34
MAINTENANCE ............................................................................................................................................................... 34
PCB PARAMETERS ........................................................................................................................................................ 35
PARAMETERS TABLE ....................................................................................................................................................... 35
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DIVA SLIM PELLET BOILER STOVE
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WIRING DIAGRAM ........................................................................................................................................................... 37
STANDARD WARRANTY CONDITIONS ......................................................................................................................... 38
Dear client,
First of all we would like to thank you for choosing a “KLOVER” product and we hope you will be satisfied with this
product.
Carefully read the manual and warranty certificate on the last page of this User guide.
In thanking you again for the trust accorded to us, we wish to inform you that these models are the result of forty years of
experience in the manufacture of solid fuel products using water as the heat transfer fluid.
Every single detail of the product is manufactured by qualified staff, using the most advanced equipment.
The manual contains a detailed description of the appliance and its operation, 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 appliance with minimum fuel consumption.
Stay warm with KLOVER!
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 may be modified without notice. Although the documentation
contained in this manual has been carefully compiled and checked, KLOVER srl cannot be held liable for any damages
arising from the use of the same.
Copyright © 2018 KLOVER srl
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DIVA SLIM PELLET BOILER STOVE
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INTRODUCTION
Important safety instructions
Please read these instructions before installing and using the product.
- The installation and initial start-up of the appliance must be performed by skilled personnel trained in the relevant
safety standards. They will be responsible for the definitive installation of the appliance and its proper operation.
KLOVER srl shall not be held liable if these precautions are not observed.
- During the installation and use of the appliance, all local regulations - including those referring to national and
European Standards - must be observed.
- Connect the flue gas outlet to a flue with the specifications described in the “Flue and its connection” section of this
User guide.
- The appliance is not suitable for installation on a shared flue system.
- If the flue should catch fire, use appropriate fire extinguishing equipment or call the fire brigade.
- Connect the product to an earthed power socket. Avoid using sockets controlled by switches or automatic timers.
- Do not use the power supply cable if damaged or worn.
- If a multiple socket is used, make sure that the total voltage of the connected devices does not exceed the rated
voltage for the socket. Also make sure that the total voltage of all the devices connected to the socket does not
exceed the maximum permitted level.
- The plug on the appliance’s power cable should be connected only once the assembly and installation of the
appliance is complete. It should remain accessible after installation if the appliance is not fitted with a suitable and
accessible two-pole switch.
- Do not use flammable substances to clean the appliance or its parts.
- Do not leave flammable containers and substances in the place where the appliance is installed.
- The appliance works exclusively with wood pellets and only with the hearth door shut.
- NEVER open the appliance’s door during normal operation and avoid using it when the glass is broken or cracked.
- The use of poor-quality pellets or any other material can damage the appliance’s functions besides voiding the
warranty and exempting the manufacturer from all liability.
- Do not use the appliance as an incinerator or for any use other than that for which it was designed.
- Do not use fuels other than those recommended.
- Do not use liquid fuels.
- The appliance, and its outer surfaces in particular, become very hot to the touch during operation; handle with
caution in order to avoid burns.
- Keep fuel and flammable materials at a safe distance.
- Only use original spare parts recommended by the manufacturer.
- Do not make any unauthorised modifications to the appliance.
- Do not touch the hot components of the product (ceramic glass, flue pipe) during normal operation.
- Never touch the appliance if you are barefoot and/or if you have wet or damp parts of the body.
- Use the appropriate button to switch off the electrical panel. Do not disconnect the power supply cable while the
appliance is operating.
- Switch the appliance off in case of a fault or malfunctions.
- During the ignition phase and normal operation of the appliance, maintain the necessary safety distance and do not
remain standing in front of it.
- Keep children away from the appliance when it is running since they could get burned by touching its hot
components.
- Do not leave the packaging elements within reach of children or unassisted disabled persons.
- Children and inexperienced people must not be allowed to use the appliance.
- The appliance may be used by children no younger than 8 years of age and people with reduced physical, sensory or
mental capabilities, or those without experience of the appliance, as long as they are supervised or have received
instructions on how to use the appliance safely and understand the hazards inherent to the appliance.
- Children should not play with the appliance.
- User maintenance and cleaning operations should not be carried out by unsupervised children.
- Clean the appliance only when it is cold.
- Clean the brazier whenever the ignition fails and nonetheless at least once a week.
- Do not use the appliance in ways other than those indicated in this user guide.
- The appliance is designed for indoor use only.
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DIVA SLIM PELLET BOILER STOVE
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Expansion tank
6 l
Safety valve
2.5 bar
Pressure gauge
0 – 4 bar
Automatic air vent valve
Yes
Heating system pump
Yes. Mod.25/70
Electrical setting for the connection of the domestic water flow switch
Yes
Electrical setting for boiler / puffer sensor
Yes
Remote control
Optional
Wi-Fi management module
Optional
- The appliance is designed for heating water and should therefore be connected to a plumbing system (radiators,
under-floor heaters, etc.). This system should be suitably designed and sized to distribute the power generated by
the appliance.
- This user guide constitutes an integral part of the appliance. If the product is sold to another user, this manual must
be passed on to the new owner.
KLOVER S.R.L. DECLINES ALL LIABILITY IN CASE OF ACCIDENTS DUE TO FAILURE TO COMPLY WITH THE
SPECIFICATIONS OF THIS MANUAL.
KLOVER S.R.L. DECLINES ALL LIABILITY DUE TO INCORRECT USE OF THE PRODUCT BY THE USER,
UNAUTHORISED MODIFICATION AND/OR REPAIRS, AND USE OF NON-ORIGINAL SPARE PARTS OR SPARE
PARTS NOT SPECIFICALLY DESIGNED FOR USE ON THIS PRODUCT MODEL.
KLOVER S.R.L. SHALL NOT BE HELD LIABLE FOR THE STOVE'S INSTALLATION. THE INSTALLER IS THE
SOLE PARTY RESPONSIBLE FOR THIS OPERATION AND IS ALSO ENTRUSTED WITH CHECKING THE FLUE,
EXTERNAL AIR VENT AND THE CORRECTNESS OF THE PROPOSED INSTALLATION SOLUTIONS. ALL THE
SAFETY REGULATIONS SET OUT IN THE SPECIFIC LAWS IN FORCE IN THE COUNTRY WHERE THE MACHINE
IS INSTALLED MUST BE OBSERVED.
NON-ROUTINE MAINTENANCE MUST ONLY BE PERFORMED BY AUTHORISED AND QUALIFIED STAFF.
To ensure the validity of the warranty, the user must comply with the instructions contained in this guide and, in
particular, must:
- Use the appliance within its operating limits;
- Regularly perform all maintenance activities;
- Authorise expert and competent people to use the appliance.
Failure to comply with the instructions contained in this guide shall automatically void the warranty.
THE MACHINE AND THE PELLETS
Components of the appliance
The table below shows the standard features of the appliance:
The appliance is delivered with the following equipment:
- 1 user, installation and maintenance guide;
- 1 power supply cable;
- 1 cool-touch handle;
- 1 conventional warranty certificate.
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DIVA SLIM PELLET BOILER STOVE
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Pellet loading panel
Left-hand inspection
compartment
Combustion chamber
door
FRONT VIEW
LEFT-HAND INSPECTION COMPARTMENT
Right-hand inspection
compartment
(hydraulic circuit)
Ash tray door
Lower front inspection
compartment
(flue gas path and tray
cleaning)
TOUCH display
Tank inspection hatch
Pellet level
sensor
Gearmotor
Upper front
inspection
compartment
Flue gas path front
inspection plate
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DIVA SLIM PELLET BOILER STOVE
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RIGHT-HAND INSPECTION COMPARTMENT
Flue gas path side
inspection plate
Delivery pipe
(YORK ¾" valve)
Return pipe
Pressure gauge
High-efficiency pump
Safety valve
(2.5 bar)
Boiler unit drain cock
Flue gas path
automatic cleaning
gearmotor
LOWER INSPECTION COMPARTMENT
Control unit
Ash tray inspection
panel
Flue gas path front
inspection plate
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REAR VIEW
Overall dimensions
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Description of connections
M = System Delivery
3/4" F
R = System Return
3/4" M
X = Safety valve drain
1/2" F
SL = Side flue gas outlet (refer to the “Overall dimensions” paragraph)
80 mm M
SU = Upper flue gas outlet (refer to the “Overall dimensions” paragraph)
80 mm M
SP = Rear flue gas outlet (refer to the “Overall dimensions” paragraph)
80 mm M
A = Rear fitting for connection of optional extraction pipe
40 mm
REAR VIEW
Connections data sheet
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DIVA SLIM PELLET BOILER STOVE
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Heat input (nominal setting)
kW (Kcal/h)
19.8 (17,030)
Heat input (reduced setting)
kW (Kcal/h)
4.7 (4,050)
Nominal thermal output
kW (Kcal/h)
18.4 (15,830)
Reduced thermal power
kW (Kcal/h)
4.3 (3,700)
Nominal heat output ceded to water
kW (Kcal/h)
13.8 (11,900)
Nominal heat output ceded to the environment
kW (Kcal/h)
4.6 (3,950)
Reduced heat output ceded to water
kW (Kcal/h)
3.2 (2,750)
Reduced heat output ceded to the environment
kW (Kcal/h)
1.1 (950)
Combustion efficiency at nominal thermal power
%
93.1
Combustion efficiency at reduced thermal power
%
92.9
CO at 13% oxygen at nominal thermal power
%
0.003
CO at 13% oxygen at reduced thermal power
%
0.021
Maximum power uptake
Watt
400*
Power uptake during operation at nominal thermal power
Watt
40
Power uptake during operation at reduced thermal power
Watt
30
Power uptake in stand-by
Watt
2.0
Nominal voltage
V
230
Nominal frequency
Hz
50
Expansion vessel litres/preloading bar
6 / 1
Maximum operating/recommended pressure
bar
2.5 / 1.5
Flue outlet diameter
mm
80
Air intake pipe diameter
mm
40
Minimum chimney draught at nominal thermal power
Pa
10.5
Minimum chimney draught at reduced power
Pa
10.1
Combustion gas mass at nominal thermal power
g/s
11.0
Combustion gas mass at reduced power
g/s
4.8
Pellet tank capacity
Kg
25
Average exhaust flue gas temperature at nominal thermal power
°C
123.0
Average exhaust flue gas temperature at reduced power
°C
82.3
Boiler unit capacity
litres
20
Width
mm
900
Height
mm
1130
Depth
mm
340
Minimum safety distance from flammable materials
(side / rear / upper / front)
mm
200 / 200 / 750 / 800
Weight
Kg
225
Technical Specifications
* Power consumption only during the ignition cycle.
The appliance's heat output may vary depending on the type of pellets used.
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Indication of the standard,
base reference for the quality
classes ENplus
Indication of the quality
class of the certified pellet
(preferable A1)
IT xxx
Code of the certified company
consisting of two elements:
- Symbol of the country of
production (example “IT”)
- Progressive number assigned at
the acquisition of the
certification (example "xxx")
Pellet properties
The appliance has been tested with all types of pellets available on the market. The pellets must have the following
properties:
- Diameter 6 mm.
- Maximum length 35 mm.
- Maximum humidity content 8 – 9 %.
- 100% wood. Totally additive-free.
- Maximum ash residue 1.1 %.
To obtain good performance from the appliance, we recommend using good quality pellets. Pellets should be poured
into the tank using a shovel, and not directly from the bag.
Good quality pellets should have the following properties:
- Constant diameter cylinders with a smooth, shiny surface;
- There should not be a lot of sawdust inside the packaging;
- After grabbing a bunch of pellets and placing them into a container filled with water, good-quality pellets will sink and
poor-quality ones will tend to float;
- The quality certification data, in particular conformity to international standards such as EN14961-2, DIN 51731 and
O-NORM M7135, should be indicated on the packaging;
- The packages should be intact since pellets tend to absorb humidity. Humidity not only reduces the calorific value
and increases the amount of flue gases expelled, but also causes swelling of the product which may create problems
with the appliance.
The production of pellets must be compliant with some international standards (such as EN14961-2, DIN 51731 and ONORM M7135) which establish minimum values for quality checks on pellets. To facilitate the right choice of the
combustible material you can find below one of the most common certification marks identifying the quality of the pellets:
The use of poor quality pellets or any other material can damage the appliance operation, voiding the warranty
and exempting the manufacturer from all liability.
In order to guarantee trouble-free combustion, the pellets must be stored in a dry place.
REQUIREMENTS OF THE PLACE OF INSTALLATION
Positioning
The initial phase for best installation of the appliance is to determine its optimum location; the following elements need to
be considered:
- The possibility of creating an external air vent;
- The possibility of creating a straight flue, preferably coaxial to the outlet of the appliance;
- Proximity to the main water drain and/or the boiler (if one already exists);
- Proximity or ease of connection to the water system;
- Ease of access for cleaning the appliance, the flue gas exhaust pipes and the flue.
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DIVA SLIM PELLET BOILER STOVE
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REAR VIEW
SIDE WALL
SIDE WALL
The unit must be installed on a floor with a suitable load capacity. If the existing building does not fulfil this requirement
appropriate measures (e.g. load distribution plate) must be taken.
The minimum safety distance from flammable materials must be at least 200 mm from the sides and back of the
appliance, 800 mm from the front and 750 mm from the upper part.
The installation must guarantee easy access for cleaning the appliance, the flue gas exhaust pipes and the flue, and any
subsequent maintenance operation by the Authorised technical assistance centre.
Once you have found the best location for the appliance, position it following the instructions given below.
The appliance must not be installed in small rooms, bedrooms, bathrooms or in areas with an explosive atmosphere
(e.g. garages).
Spaces around and above the appliance
The figure below shows the minimum distances from walls or other not-easily-removable furniture, that need to be taken
into consideration when positioning the appliance.
Any shelves or false ceilings mounted above the appliance must be at least 75 cm away from the top part of it.
Furniture and movable objects made from flammable materials must be positioned at least 20 cm from the side surfaces
of the appliance; these objects must be moved when performing maintenance on the appliance.
Protect all structures that can catch fire against the radiated heat of the fire.
Any extra intervention by the Authorised technical assistance centre, which requires the appliance to be
disconnected from the system, will not be covered under warranty as described in the chapter “Standard
Warranty Conditions”.
External air intake
During operation, the appliance takes in air from the environment in which it is installed; It is therefore essential that this
air is replaced through an external air vent. The absence of the air vent may affect the flue draught and therefore the
combustion and the safety of the appliance.
Therefore it is mandatory to install an external air vent with a minimum completely free passage of at least 80 cm2
(round hole with minimum diameter of 15 cm protected with a special fixed large mesh grille).
If it not possible to put the external air vent in the same room as where the appliance is installed, this hole can be made
in an adjoining room as long as this room communicates permanently, by means of a transit hole (15 cm minimum
diameter).
The hole must be protected externally with a fixed grille. The protective grille must be checked periodically to ensure that
it is not obstructed, thereby impeding the passage of air. Therefore keep the air vents clear of obstructions.
The UNI 10683 Standard FORBIDS the drawing of combustion air from garages, warehouses storing combustible
materials, or from business premises with a fire hazard.
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