Dru G25 User manual

English
Store this document in a safe place
Milo
Installation manual (GB / IE)
959.028.01.GB
G20/G25/G31
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MILO  INSTALLATION MANUAL
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Contents
page
Preface 3
1. Introduction 3
2. CE declaration 4
3. SAFETY 4
3.1 General 5
3.2 Regulations 5
3.3 Precautions / safety instructions during installation 5
4. Instructions 6
5. Removing the packaging 6
6. Installation 6
6.1 Regulations 6
6.2 Type of gas 6
6.3 Gas connection 6
6.4 Placing the appliance 6
6.5 Flue gas discharge / combustion air supply system 6
6.6 Placing the chimney breast 12
6.7 Connecting gas 13
6.8 Adjusting the appliance 13
6.9 Placing the wood set 14
6.10 Glass panes 15
6.11 Finishing the appliance 16
7. Wireless remote control 17
7.1 Receiver 17
8. Final check 17
8.1 Gastightness 17
8.2 Gas pressure / line-pressure 17
8.3 Ignition pilot burner and main burners 17
8.4 Flame image 18
9. Maintenance 18
9.1 Parts 19
10. Delivery 19
11. Malfunctions 19
Appendix 1 Parts included with the delivery 23
Appendix 2 Technical data 23
Appendix 3 Figures 24
Appendix 4 Figures 36
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MILO  INSTALLATION MANUAL
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Preface
DRU, a manufacturer of gas-red heating appliances, develops and produces products that comply with the highest
quality, performance and safety requirements.
This guarantees that the user will be able to enjoy using his product for many years to come.
This appliance has a CE marking, which means that it complies with the essential requirements of the European gas
appliance directive.
Two manuals are supplied with the appliance: the installation manual and the user manual.
As an installer, you must be competent in the eld of atmospheric gas-red heating.
The installation manual will give you the information you need to install the appliance in such a way that it will oper-
ate properly and safely.
This manual discusses the installation of the appliance and the regulations that apply to the installation. In addition,
you will nd technical data for the appliance and information on maintenance, any malfunctions that might occur
and their possible causes.
The gures are included at the back of this booklet (Appendix 3).
Please carefully read and use this installation manual.
The following symbols are used in the manual to indicate important information:
➠
Work to be performed
!Tip Suggestions and recommendations
!Caution
You will need these instructions to prevent problems that might occur during installation and/or use.
Caution You need these instructions to prevent re, personal injury or other serious damages.
After delivery, you should give the user manual and this installation manual to the user.
1. Introduction
Milo is a suspended atmospheric gas-red heating appliance. It is xed to the wall by means of a supplied wall
bracket. In order to support it, the appliance is standing on 2 adjustable legs at the rear.
The safe operation of the appliance is guaranteed by the use of a second thermocouple tted to one of the main
burners.
Milo is a room-sealed appliance. A room-sealed appliance does not extract the combustion air from the living envi-
ronment, but from outside. This is done by means of a combined ue gas discharge system / combustion air supply
system. In this concentric system, the outer pipe functions as the air supply and the inner pipe functions as the ue
gas discharge.
Milo has a rectangular (at), concentric ue spigot. Both a rectangular and round concentric system can be con-
nected to this. DRU has a number of adapters in its range for the transition from rectangular to round.
The concentric ue gas discharge / combustion air supply system can be installed through the wall or through the
roof.
Milo was designed to suspend freely. The narrow chimney breast at the rear of the appliance is only intended to hide
the ue gas discharge / combustion air supply system and the adjustable legs.
Construction in a standard chimney breast, the construction chimney breast, is allowed. In that case, a mantel iron
must be placed, in order to avoid that the appliance is burdened by the weight of the construction chimney breast.
DRU is able to supply a mantel iron. Also make sure that the gas control and receiver, which are below the appliance,
can still be reached after placing the construction chimney breast.
The chimney breast may only be made of plate material.
In order to reach a proper heat discharge, the chimney breast must be ventilated at both sides, and an air supply
must be made at the bottom. DRU has various ventilation elements in its program; the lux no elements can be
specially supplied for the narrow chimney breast.
A base (platform) will be placed around the appliance. The choice of a natural stone or lacquered steel version was
made during purchase. The construction of the appliance was based on the weight of the DRU base. If you want to
extend the base supplied by DRU, you will need an additional bearing construction.
The appliances are supplied with a wireless remote control that works on batteries.
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2. CE declaration
We hereby declare that the design and construction of DRU’s atmospheric gas-red heating appliance comply with
the essential requirements of the Gas Appliance Directive.
Product: atmospheric gas-red heating appliance
Type: Milo
Applicable EEC directives: 2009/142/EC
Applied harmonized standards: NEN-EN-613
NEN-EN-613/A1
Internal measures by the company guarantee that appliances produced in series comply with the essential require-
ments of the prevailing EEC directives and the standards derived from them.
This declaration will lose its validity if adjustments are made to the appliance, without prior written permission by
DRU.
M.J.M. Gelten
General manager
DRU verwarming B.V.
Postbus 1021, 6920 BA Duiven
Ratio 8, 6921 RW Duiven
www.dru.nl
3. SAFETY
3.1 General
Caution - Carefully read this chapter on safety, before you start performing installation or maintenance work;
- Please observe the general regulations and the precautions/safety instructions in this manual.
3.2 Regulations
Please install the appliance in accordance with the applicable national, local and constructional (installation) regula-
tions.
3.3 Precautions / safety instructions during installation
Carefully observe the following precautions/safety regulations:
➠
you should only install and maintain the appliance if you are a competent installer in the eld of atmospheric gas-red
heating;
➠
do not make any changes to the appliance;
➠
use solid, non combustible and heat-resistant materials for the wall from which the appliance will be suspended;
➠
always use the adjustable legs to support the appliance;
➠
use non combustible and heat-resistant plate material for the chimney breast, including the top of the chimney breast
and the material in the chimney breast;
➠
take sucient measures to prevent temperatures of a wall behind the chimney breast becoming too high, including
the materials and/or objects behind the wall;
➠
ventilate the chimney breast at both sides by means of the ventilation holes, which will form a combined passage of at
least 200cm2;
➠
attach an additional air supply at the bottom of the chimney breast;
➠
in case of a narrow chimney breast, maintain a tolerance of approx. 2mm between plate material and construction
frame;
➠
comply with the minimum required internal measurements, in case of a construction chimney breast;
➠
comply with the minimum required free space of 500mm at both sides of the appliance, as well as above the appliance,
because of the heat emission of the appliance;
➠
only use the ue gas discharge / combustion air supply system supplied by DRU;
➠
mount the appliance using the wall bracket supplied;
➠
do not suspend the appliance too close to the wall; this is prevented by using the spacer brackets;
➠
do not cover the appliance and/or do not wrap it in an insulation blanket or any other material;
➠
make sure that combustible objects and/or materials have a distance from the appliance of at least 500mm
➠
only ever use the supplied wood set;
➠
place the wood set exactly as described;
➠
make sure the pilot burner and the space around it is kept free;
➠
make sure thermocouple2 and the space around it are kept free;
➠
make sure there is no dirt in gas pipes and connections;
➠
place a gas tap near the appliance;
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➠
check the connections for gastightness before using the appliance;
➠
use heat resistant electrical wiring;
➠
place the electrical wiring in such a way that they are free from the appliance;
➠
replace torn or broken glass panes;
➠
avoid blocking of the pressure equalization hatch(es) on top of the appliance;
➠
check whether the pressure equalization hatch(es) t well onto the sealing surface, prior to building in the appliance;
➠
do not ignite the appliance until it is fully installed.
4. Instructions
Observe the following items during installation in order to guarantee a proper and safe operation of the appliance:
➠
place the spacer brackets in correspondence with the construction depth of the appliance. The construction depth
depends on whether a rectangular or round ue gas discharge / combustion air supply system was chosen. During
manufacturing, the spacer brackets are placed for application of a rectangular system;
➠
avoid that the ignition cable runs over the receiver;
➠
avoid that the ignition cable touches or crosses the antenna;
➠
avoid that the ignition cable runs alongside metal parts, in order to prevent weakening of the spark;
➠
avoid damaging the glass panes when removing/placing them;
➠
clean the glass panes before you use the appliance, in order to prevent dirt from burning in the glass;
➠
make sure that the wires of thermocouple 2 cannot come into contact with hot parts.
5. Removing the packaging
Note the following items when removing the packaging:
➠
Check the appliance for damages during transport.
➠
If necessary, contact DRU Service.
!Caution Avoid damaging the front glass pane when removing it from the packaging.
After removing the packaging, you should have the following components:
- Socket spanner; you will nd it in the space between the assembly frame and the combustion chamber;
- Decorative strips; you will nd them in the abovementioned space as well;
- Front glass pane; you will nd it in the same box as the appliance – provided with protective corners;
- Box containing parts; you will nd it in the combustion chamber;
- Inner frame; consisting of a lacquered steel frame or a four part set of natural stone;
- Base; made of lacquered steel or natural stone;
- Top; intended for the top of the appliance.
➠
Remove the box containing parts from the combustion chamber.
In appendix 1 / table 5 you can see which parts you should have after removing the packaging.
➠
Contact DRU Service if you do not have all the parts after you nished removing the packaging.
➠
Dispose packaging in accordance with local regulations.
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6. Installation
Read this manual carefully to ensure a proper and safe operation of the appliance.
!Caution Install the appliance in the order described in this chapter.
6.1 Regulations
➠
Observe the applicable (installation) regulations.
➠
Observe the regulations/instructions in this manual.
6.2 Type of gas
The data plate indicates for which type of gas, gas pressure and for which country this appliance is intended. The
data plate is connected to a chain. It should remain connected to the chain.
Caution Check whether the appliance is suitable for the type of gas and the gas pressure used at the location.
6.3 Gas connection
Place a gas tap in the gas connection, close to the appliance.
Caution Make sure there is no dirt in gas pipes and connections.
The following requirements apply to the gas connection:
- use a gas pipe with the correct dimensions, so that no pressure loss can occur;
- the gas tap should have the CE marking;
- you should always be able to reach the gas tap.
6.4 Placing the appliance
Caution - Attach the appliance to a wall of solid, non combustible and heat-resistant material;
- Always use the adjustable legs to support the appliance;
- Take sucient measures to prevent temperatures of a wall behind the chimney breast becoming too high,
- including the materials and/or objects behind the wall;
- Comply with the minimum required free space of 500 mm at both sides of the appliance, as well as above the
appliance, because of the heat emission of the appliance;
- Make sure that combustible objects and/or materials have a distance from the appliance of at least 500mm;
- Do not suspend the appliance too close to the wall; this is prevented by using the spacer brackets
- Level the appliance horizontally and vertically, using the adjustable feet and adjustment bolts;
- Do not cover the appliance and/or do not wrap it in an insulation blanket or any other material;
- Do not make any changes to the appliance.
!Caution - Take the adjustable height of the appliance into account. It depends on the setting of the adjustable legs: minimum
250 and maximum 500mm (see g.1);
➠
Take the minimum internal depth of the appliance into account (see g.1).
!Tip During manufacture, the spacer brackets on the appliance are mounted for the application of the rectangular ue
gas discharge / combustion air supply system.
Place the appliance as follows:
➠
Determine the location of the appliance.
➠
Determine the suspension height of the appliance; see g.1;
➠
Provide a gas connection at the location. For details, see section 6.3.
➠
Determine whether a rectangular or round ue gas discharge / combustion air supply system will be connected to the
appliance’s ue spigot; see g.1.
➠
Make a passage for the ue gas discharge/combustion air supply system with the following diameters. For details,
see section 6.5:
- Ø 160 mm for a wall terminal through non combustible material;
- Ø 250 mm for a wall terminal through combustible material;
- Ø 160 mm for a roof terminal through non combustible material;
- Ø 250 mm for a roof terminal through combustible material.
➠
Place the appliance on its destined location.
➠
When leading the rectangular ue gas discharge / combustion air supply system through a oor and/or ceiling, take
the following dimensions into account; for details see section 6.5:
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- 350x140mm through non combustible material;
- 430x220mm through combustible material.
➠
Check whether the position of the spacer brackets on the appliance is suitable for the chosen rectangular (A) or
round(B) ue gas discharge / combustion air supply system; see g.2.
➠
Loosen the screws of the spacer brackets (C) and turn the brackets around when a round system is used; see g.2.
➠
Mount the appliance using the wall bracket and the key bolts supplied.
➠
Extend both adjustable legs and secure them with a self-tapping screw.
➠
Use the feet of the adjustable legs to level the appliance horizontally; see g.1, arrow1.
➠
Use the adjustment bolts to level the appliance vertically; see g.1, arrow2.
6.5 Flue gas discharge / combustion air supply system
6.5.1 General
The appliance is of the C11/C31 type.
The appliance is connected to a combined ue gas discharge/combustion air supply system, hereafter referred to as
the concentric system.
The ue spigot of the appliance, is a rectangular, concentric version. To this you can connect a rectangular (A) (310x100
/ 205x55mm) and/or round (B) (Ø100 / Ø150mm) concentric system; see g.3a.
The passage to the outside can be made with a wall terminal (see section 6.5.2) or a roof terminal (see section 6.5.3).
If necessary, you can also use an existing chimney (see section 6.5.4).
Caution - Only use the rectangular and/or round concentric system supplied by DRU.This system has been tested together with
the appliance. DRU cannot guarantee a proper and safe operation of other systems and does not accept any liability
for this (see appendix 4);
- Always use coupling pieces with corresponding seals for the connections in the rectangular system. These are
supplied with the system; see the accompanying instructions;
- Secure the coupling pieces with the self-tapping screws supplied;
- For connecting to an existing chimney you should only use the chimney kit supplied by DRU.
The concentric system is constructed from (ue spigot of) the appliance.
If structural circumstances require that the concentric system is placed rst, the appliance can later be connected
with a telescopic pipe piece, provided a round concentric system is used. In that case, an adapter to round must rst
be placed on the ue spigot. It is not possible to supply a telescopic pipe piece for a rectangular concentric system.
6.5.2 Application with wall terminal
The wall terminal is a round concentric system.
6.5.2.1 Construction of concentric system with wall terminal
!Caution - When using rectangular pipes it is only possible to end in the wall from which the appliance is suspended (there is
no bend available for the concentric system);
- When the pipes end at right angles in the appliance, you can start with rectangular pipes, but you must change
over to the round system.
The concentric system with wall terminal has to comply with the following conditions:
- First, a concentric pipe of at least 1meter should be connected vertically to the appliance;
- The total vertical pipe length may have a maximum of 4meters;
- After the vertical part, a 90º bend (round system) or a squared adapter (rectangular system) is connected;
- When using a minimum of 1meter up to a maximum of 4meters of vertical pipe length, the total horizontal pipe
length can have a maximum of 3meters (excluding wall terminal, see g.3b and g.3c).
Depending on the construction of the concentric system, the appliance must receive further settings by removing
the air inlet guide and the injector screens; see Table1 for determining the conditions and section 6.8, Adjusting the
appliance, for the method.
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Table 1: Conditions for the adjustment of the appliance with a wall terminal
G20/G25/G31
Total number of
meters vertical
pipe length
Total number of
meters horizontal
pipe length (excluding
wall terminal)
See gure Air inlet guide Injector
screens**
Bae Distance of
restriction
in mm
1 - 4 >0 - 3 3b NO NO NO OPEN
1 - 4 0* 3c YES YES NO OPEN
* factory setting
** not valid for G31
6.5.2.2 Placing concentric system with wall terminal
Caution - Maintain a distance of at least 50mm between the outside of the concentric system and the walls, when using a
round system;
- Maintain a distance of at least 23 mm between the outside of the concentric system and the walls, when using a
rectangular system; this distance is xed due to the construction of the rectangular system;
- Maintain a distance of at least 50mm between the outside of the concentric system and the ceiling;
- Use non combustible material for building the concentric in, for instance, a cove;
- Use heat-resistant insulation material when passing through combustible material;
- The rosette (mounting inner plate) of the wall terminal is too small to seal the Ø250mm opening when passing
through combustible material. That is why you should rst apply a suciently large heat-resistant intermediate
plate to the wall. Then, the rosette is mounted on the intermediate plate.
!Caution - When using rectangular pipes it is only possible to end in the wall from which the appliance is suspended (there is
no bend available for the concentric system);
- When the pipes end at right angles in the appliance, you can start with rectangular pipes, but you must change over
to the round system;
- Some heat-resistant insulation materials contain volatile components that will spread an unpleasant smell for a
prolonged time; these are not suitable.
Place the concentric system as follows:
➠
Build the system up from (the ue spigot of) the appliance.
➠
Connect the concentric pipe pieces, the adapter and, if necessary, the bend.
➠
In case of the rectangular system, you must rst attach a coupling piece on each connection, as described below
(see g.3d):
!Caution In case of rectangular pipe pieces, the internal pipe is longer at the bottom than the external pipe; the internal pipe
glides in the internal pipe of the ue spigot or the previous pipe piece;
- For reducing a rectangular pipe piece, unscrew the internal pipe from the external pipe;
- Make the internal pipe and external pipe equally long at the top end;
- Retighten the internal pipe;
- Place the coupling piece plus seal on the reduced pipe piece and x it at both front sides by means of 2 self-drilling
screws.
- Place a red seal on the ue spigot of the appliance;
- Then, place the coupling piece on the ue spigot;
- Secure the coupling peace at both front sides using 2 self-tapping screws;
- Place a red seal on the coupling piece;
- Then place a rectangular pipe piece or an adapter to round;
- Secure the rectangular pipe piece or adapter at both front sides using 2 self-tapping screws;
- At each next rectangular pipe piece or at the adapter, place the spacer brackets on the pipe at the same height as the
coupling piece;
- Secure the spacer brackets to the wall, so that the weight of the pipes does not rest on the appliance.
➠
Attach the rst round concentric pipe piece to the adapter using 4 self-drilling screws.
➠
On this connection, apply a clip binding with silicon sealing ring.
➠
In case of round pipe pieces, attach a clip binding with silicon sealing ring to each connection.
➠
Use a self-tapping screw to x the clip binding to the pipe on locations that cannot be reached after installation.
➠
In case of round pipes, apply sucient brackets, so that the weight of the pipes does not rest on the appliance.
➠
Determine the remaining length of the wall terminal;
➠
Make sure the wall terminal has the right dimensions.
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!Caution - Make sure that the right insertion length is maintained;
- Place the wall terminal with the groove/folded seam at the top;
- Make sure the horizontal concentric pipe pieces are sloping towards the wall terminal, in order to prevent rain water
from entering.
➠
Mount the rosette (mounting inner plate); if necessary, on a heat resistant intermediate plate when passing through
combustible material.
➠
Attach the wall terminal from the outside with four screws in their respective holes.
6.5.3 Application with roof terminal
The roof terminal is a round concentric system.
6.5.3.1 Construction of concentric system with roof terminal
The concentric system with roof terminal has to comply with the following conditions:
- The construction of the chosen system has to be allowed. (See the procedure described below);
- First, a concentric pipe of at least 1meter should be connected vertically to the appliance.
Depending on the construction of the concentric system, the appliance is set by:
- placing the bae;
- removing the air inlet guide or placing the additional air inlet guide;
- Removing the injector screens.
In the following procedure you can see how the allowability of a concentric system can be determined and which
settings are needed.
➠
Determine the following data:
1) The number of bends required (no distinction is made between 45° and 90° bends);
2) The total number of meters of horizontal pipe length;
3) The total number of meters of vertical and/or sloping pipe length (roof terminal excluded).
With these data and Table2 you will be able to determine whether the concentric system is allowed.
In Table3 you can see which setting the appliance requires.
Follow the procedure described below:
➠
In the rst 2 columns of Table2, look for the number of bends required and the total horizontal pipe length.
➠
In the 3rd column of Table2, look for the total vertical and/or sloping pipe length.
If you end up in a box with the letter A, B, C, D or E the concentric system chosen by you is allowed.
➠
Use Table3 to determine which conditions apply for the bae, the air inlet guide and the injector screens (for setting,
see section 6.8).
Examples
To clarify, we will give 2 examples to determine the allowability of a concentric system and the conditions for setting
the appliance.
In Table 2 the route to be followed is indicated by arrows. The result is indicated by a box with a red border.
Example 1
1) 2 bends
2) 3 meters horizontal
3) 8 meters vertical/sloping
→Construction of this concentric system is allowed.
→ Situation C applies for the adjustment of the appliance.
Example 2
1) 3 bends
2) 4 meters horizontal
3) 9 meters vertical/sloping
→ Construction of this concentric system is not allowed.
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Table 2: Determination of the permissibility of a concentric system with a roof terminal
G20/G25/G31 Total number of
meters horizontal
pipe length
Total number of meters vertical and/or sloping pipe length
1234567
↓8↓910 11 12
no bends 0 B C C D D E E E E E E E
2 bends 0 A A B C C D D E E E E E
1 AABCCDDEEE
2AABCCDDE
→3AABCCD
4AABC
5
3 bends 0 A A A B C C D D E E E E
1AAABCCDDEE
2AAABCCDD
3AAABCC
→4AAAB
5
4 bends 0 A A A A B C C D D E E E
1 AAAABCCDDE
2AAAABCCD
3AAAABC
4AAAA
5
5 bends -
■
■= situation is not allowed
Tabel 3: Voorwaarden voor afstellen van het toestel bij toepassing van een dakdoorvoer
G20/G25/G31
Situation Air inlet guide Injector screens* Bae Distance of
restriction in mm
A N0 N0 N0 OPEN
B ADDITIONAL YES YES 30
C ADDITIONAL YES YES 24
D ADDITIONAL YES YES 19
E ADDITIONAL YES YES 15
■
■= situation is not allowed
6.5.3.2 Placing concentric system with roof terminal
The roof terminal can end in a sloping and a at roof.
The roof terminal can be supplied with an adhesive plate for a at roof or with a universally adjustable tile for a slop-
ing roof. In case of a sloping roof with a slope up to 24°, it is also necessary to use an adhesive plate.
Caution - Maintain a distance of at least 50mm between the outside of the concentric system and the walls, when using a
round system;
- Maintain a distance of at least 23 mm between the outside of the concentric system and the walls, when using a
rectangular system; this distance is xed due to the construction of the rectangular system;
- Maintain a distance of at least 50mm between the outside of the concentric system and the ceiling;
- Use non combustible material for building the concentric in, for instance, a cove;
- Use heat-resistant insulation material when passing through combustible material.
!Caution Some heat-resistant insulation materials contain volatile components that will spread an unpleasant smell for a
prolonged time; these are not suitable.
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Place the concentric system as follows:
➠
Build the system up from (the ue spigot of) the appliance.
➠
Connect the concentric pipe pieces, the adapter and, if necessary, the bends.
➠
In case of the rectangular system, you must rst attach a coupling piece on each connection, as described below
(see g.3d):
!Caution In case of rectangular pipe pieces, the internal pipe is longer at the bottom than the external pipe; the internal pipe
glides in the internal pipe of the ue spigot or the previous pipe piece;
- For reducing a rectangular pipe piece, unscrew the internal pipe from the external pipe;
- Make the internal pipe and external pipe equally long at the top end;
- Retighten the internal pipe;
- Place the coupling piece plus seal on the reduced pipe piece and x it at both front sides by means of 2 self-drilling
screws.
- Place a red seal on the ue spigot of the appliance;
- Then, place the coupling piece on the ue spigot;
- Secure the coupling peace at both front sides using 2 self-tapping screws;
- Place a red seal on the coupling piece;
- Then place a rectangular pipe piece or an adapter to round;
- Secure the rectangular pipe piece or adapter at both front sides using 2 self-tapping screws;
- At each next rectangular pipe piece or at the adapter, place the spacer brackets on the pipe at the same height as the
coupling piece;
- Secure the spacer brackets to the wall, so that the weight of the pipes does not rest on the appliance.
➠
Attach the rst round concentric pipe piece to the adapter using 4 self-drilling screws.
➠
On this connection, apply a clip binding with silicon sealing ring.
In case of round pipe pieces, attach a clip binding with silicon sealing ring to each connection.
Use a self-tapping screw to x the clip binding to the pipe on locations that cannot be reached after installation.
In case of round pipes, apply sucient brackets, so that the weight of the pipes does not rest on the appliance.
➠
Determine the remaining length of the roof terminal.
➠
Make sure the roof terminal has the right dimensions.
!Caution Make sure that the right insertion length is maintained.
➠
Connect the roof terminal to the concentric pipes.
!Caution - Make sure that the universal tile ts well with the surrounding tiles;
➠
Make sure that the adhesive plate ts well onto the at roof.
6.5.4 Connection of existing chimney
It is possible to connect the appliance to an existing channel.
A exible SS pipe is placed in the chimney for discharging ue gases. The surrounding space is used to supply com-
bustion air.
Caution Protect the gas control and pipes against dirt from the chimney.
The following requirements apply when connecting to an existing chimney:
- only possible after placement of a concentric adapter to round on the rectangular ue spigot;
!Caution - Place a concentric adapter to round, using a coupling piece with accompanying seals;
- Secure the coupling piece by means of self-tapping screws;
- Attach the rst round concentric pipe piece to the adapter using 4 self-drilling screws;
- On this connection, apply a clip binding with silicon sealing ring.
- only allowed when used in combination with the special DRU chimney kit. The installation manual is also supplied;
- the dimensions should be at least 150 x 150 mm;
- the vertical length has a maximum of 12meters;
- the horizontal length has a maximum of 3meters;
- the existing chimney has to be clean;
- the existing chimney has to be tight.
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If the appliance is installed into an existing chimney by means of a chimney kit, there may be a slight loss in heat
output.
For setting the appliance, the same conditions/instructions apply as for the concentric system described above.
6.6 Placing the chimney breast
The appliance was designed to suspend freely. The narrow chimney breast at the rear of the appliance is only inten-
ded to hide the ue gas discharge / combustion air supply system and the adjustable legs; see section 6.6.1.
Construction in a construction chimney breast is allowed. In this case, a mantel iron must be placed; DRU is able to
supply this; see section 6.6.2.
The chimney breast may only be made of plate material.
The thickness of the plate material may be 15mm minimum and 30mm maximum.
In order to reach a proper heat discharge, the chimney breast must be ventilated at both sides. At the bottom of the
chimney breast, an additional air supply must be made. DRU is able to supply dierent ventilation elements; the lux
no elements can be specially supplied for the narrow chimney breast.
Caution - Use non combustible and heat-resistant materials for the chimney breast, including the top of the chimney breast,
the material in the chimney breast and the back wall of the chimney breast;
- The ventilation holes – which at both sides should be mounted as high as possible – should have a combined
passage of at least 200cm2.
- Make an air supply at the bottom of the chimney breast;
- Protect the gas control and pipes against cement and plaster.
!Caution When placing the chimney breast, you should take the following into account: (see g.4a).
- the minimum width of the narrow chimney breast: 850mm;
- the location of the ventilation holes at both sides of the chimney breast;
- the location of the air supply at the bottom of the chimney breast;
- the measurements of the glass panes, so that they can be placed/removed after placing the chimney breast.
6.6.1 Placing the narrow chimney breast
Follow the procedure described below:
➠
Check whether the concentric system is placed correctly.
➠
Check at the rectangular system, whether the connections (coupling pieces) are installed with the accompanying seals
and self-tapping screws.
➠
In case of rectangular pipes, check the xture to the wall by means of screws, on locations that cannot be reached later.
➠
In case of round pipes, check the xture of the clip binding with self-tapping screws on places that cannot be reached
later on.
➠
Adjust the vertical adjustment strip to the thickness of the plate material; see g.1, arrow3.
➠
Attach the plate material.
Caution Maintain a tolerance of approx. 2mm between plate material and construction frame; see g.4b.
➠
Apply the ventilation holes at both sides of the chimney breast.
➠
Attach the air supply to the bottom of the chimney breast: min.45x550mm; see g.4a, arrow1.
➠
When using plaster nishing, the chimney breast should dry for at least 6 weeks before it is taken into operation,
in order to prevent cracks.
6.6.2 Placing the construction chimney breast
When using a construction chimney breast, a mantel iron must be placed, in order to avoid that the appliance is
burdened by the weight of the chimney breast.
!Caution Make sure that the gas control and receiver, which are below the appliance, can still be reached.
Follow the procedure described below:
➠
Check whether the concentric system is placed correctly.
➠
Check at the rectangular system, whether the connections (coupling pieces) are installed with the accompanying seals
and self-tapping screws.
➠
In case of rectangular pipes, check the xture to the wall by means of screws, on locations that cannot be reached later.
➠
In case of round pipes, check the xture of the clip binding with self-tapping screws on places that cannot be reached
later on.
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➠
Maintain sucient space around the appliance in the chimney breast, so the heat can escape:
- minimum internal height: ±1000mm.
➠
Cut the mantel iron to the correct size; see g.4c.
➠
Place the mantel iron.
➠
Use the nuts to connect the threaded rods to the corners of the mantel iron (1).
!Caution Adjust the threaded rod in such a way with the tensioning nut (2) that you have sucient setting space.
➠
Determine the height of the eye (4).
➠
Connect the eye to the wall using the key bolt.
➠
Mount the hook (3) of the threaded rod to the eye.
➠
Make it all level by using the tensioning screw.
➠
Adjust the vertical adjustment strip to the thickness of the plate material; see g.1, arrow3.
➠
Attach the plate material.
➠
Apply the ventilation holes at both sides of the chimney breast.
➠
Attach the air supply to the bottom of the chimney breast: min.45x550mm.
➠
When using plaster nishing, the chimney breast should dry for at least 6 weeks before it is taken into operation,
in order to prevent cracks.
6.7 Connecting gas
Use the following procedure when connecting the gas; see also section 6.3, Gas connection:
!Caution - The gas control is located under the appliance;
- Prevent twisting the gas tap when connecting the gas pipe.
➠
If necessary, blow clean the gas pipe.
➠
Connect the gas pipe with gas tap to the gas control.
➠
Bleed the gas pipe.
6.8 Adjusting the appliance
The appliance has to be set in such a way that it works correctly in combination with the applied concentric system.
For that purpose, a bae is placed, the air inlet guide is removed or the additional air inlet guide is placed and the
injector screens are removed. The conditions for using a wall terminal are described in section 6.5.2.1, and for using
a roof terminal in section 6.5.3.1.
6.8.1 Bae (R)
The bae (R) is supplied separately; see g.5a.
This is mounted as follows (see g.5b):
➠
Place the bae.
➠
Use the template supplied to set the distance of the restriction (see g.5c) as follows:
- A distance of 15 mm means that the bae is closed to a maximum level;
- A distance of 19, 24 and 30 mm is set by means of the template.
➠
Fix the bae by using the socket cap screw (U).
6.8.2 Air inlet guide
6.8.2.1 Removing the air inlet guide (L)
The air inlet guide (L) is xed to the back wall at the bottom of the appliance. You can see it if you look across the
burners.
If you want to remove it, proceed as follows; see g.6a:
➠
Unscrew the self-tapping screws (N) using the socket spanner supplied with the appliance and remove them.
➠
Remove the air inlet guide.
➠
Retighten the self-tapping screws.
6.8.2.2 Placing the additional air inlet guide
!Caution Use the correct self-tapping screws (P) for placing the additional air inlet guide.
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When placing, proceed as follows; see g.6b:
➠
Unscrew the self-tapping screws (P) using the socket spanner supplied with the appliance and remove them.
➠
Place the additional air inlet guide.
➠
Retighten the self-tapping screws (P).
6.8.3 Injector screens (T), not valid for G31
At the back of the burners, a at plate is mounted. The at plate is visible if you look onto the burners from above.
Below this, you will nd the injector screen which is connected to the burner mounting plate (bottom of the appli-
ance) by means of 2 self-tapping screws; the heads of the 2 self-tapping screws can be seen from above.
When removing, proceed as follows; see g.6c:
➠
Unscrew the 2 self-tapping screws (S) using the socket spanner supplied with the appliance and remove them.
➠
Remove the injector screen.
➠
Retighten the self-tapping screws.
➠
Repeat these steps to remove the injector screen on the other burner.
6.9 Placing the wood set
The wood set consists of vermiculite (see g.7a), chips (see g.7b), glow wool (see g.8)and a number of logs.
Before placing the wood set, the inner frame (lacquered steel or four part set of natural stone) must be attached. The
inner frame is delivered with the base.
Caution Strictly observe the following instructions to prevent unsafe situations:
- only use the inner frame supplied by DRU;
- only use the wood set supplied by DRU;
- place the wood set exactly as described;
- when placing the logs, use the ridges surrounding the burners; see g.9;
- make sure the pilot burner and the space around it are kept free from objects (see g.11f, circle);
- make sure that thermocouple2 and the space around it are kept free from objects (see g.11f, circle);
- make sure there is no vermiculite’s ne dust on the burners.
Follow the procedure described below:
➠
Place the lacquered steel frame on top of the four-piece set of natural stone; see g.10.
➠
Fill the burners with vermiculite; equally spread the vermiculite; see g.9.
!Caution - You can inuence the ame image by moving the vermiculite, yet
- the burner deck has to remain covered with vermiculite in order to prevent that the life expectancy of the burners is
reduced.
➠
Identify logs A up to I by using g.11a.
!Tip Use the burn stains on the logs for identication;
- The ridges that help you to place the logs are indicated by means of arrows.
➠
Place log A and log B (see g.11b).
➠
Then proceed with logs C, D and E (see g.11c):
- Place log C on the left burner;
- Place logs D and E on the right burner.
➠
Then place logs F and G on the left burner(see g.11d).
➠
Finally place logs H and I on the right burner (see g.11e).
Caution - The logs may not fully cover the burner openings; the logs will be placed correctly if the ridges have been used;
- If necessary, improve the placement of the logs.
➠
Spread the glow wool evenly over the burners.
➠
Finally, place the chips around the logs; see g.11f.
Caution Make sure that there are only a few chips on the grate surrounding the burners. The grate must remain largely free
for the aeration of the burners; this helps preventing that the ame picture is disturbed.
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6.10 Glass panes
!Caution - Avoid damaging the glass panes during removal/placing them;
- Avoid/remove ngerprints on the glass panes, as they will burn into the glass.
6.10.1 Front glass pane
After placing the wood set you can place the front glass pane as described below.
6.10.1.1 Removing the front glass pane
When removing the front glass pane, you should follow the next steps, see g.12a up to 12h:
➠
Remove the top on top of the appliance.
➠
Slide the base towards you.
➠
Unscrew the 2 self-tapping screws from the bottom and top springed glass strip, using the socket spanner supplied
with the appliance.
➠
Pull the lower springed glass strip upwards and towards you.
➠
Place the pins of the glass strips in the slots intended for that purpose.
!Caution - Do not allow the springed glass strips to slip out, in order to avoid damaging/breaking the glass pane;
- Avoid that the glass pane falls out when loosening the top glass strip.
➠
Pull the top springed glass strip towards you and hold the glass pane at the same time.
➠
Place the top glass strip in the intended holder.
➠
Remove the glass pane.
➠
Store the glass pane on a safe place.
6.10.1.2 Placing the front glass pane
Placing the front glass pane will take place in reverse order of the removal procedure described above.
!Caution - Do not allow the springed glass strips to slip out, in order to avoid damaging/breaking the glass pane;
- The DRU logo should be at the bottom right corner;
- The self-tapping screws must not be over-tightened, since otherwise they could break or strip the thread: tight=tight;
- Make sure that the front glass pane ts well onto the side glass panes.
6.10.2 Side glass panes
The side glass panes should be removed in case of torn or broken panes.
!Caution The side glass panes can only be removed once the front glass pane has been removed.
6.10.2.1 Removing the side glass pane
Follow the procedure described below:
➠
Remove the front glass pane, see section 6.10.1.1. above.
➠
Remove the base by:
- sliding it towards you;
- removing the securing bolts; the bolts are at the bottom of the ends of the base;
- lifting the base.
➠
Store the base on a safe place.
!Caution Natural stone is fragile; make sure that no pieces are broken o.
➠
Remove the vertical decorative strip by pushing the lip at the top of the strip, tilting the top of the strip parallel with
the glass pane, and then removing the strip.
➠
Unscrew the self-tapping screws from the upper glass strip, by using the socket spanner supplied.
➠
Remove the upper glass strip.
➠
Unscrew the self-tapping screws of the lower glass strip with 2 turns, using the socket spanner supplied.
➠
Unscrew the self-tapping screws of the vertical glass strip with 2 turns, using the socket spanner supplied.
!Caution Do not remove the self-tapping screws: leave them in place in the lower and vertical glass strip.
➠
Remove the glass pane.
➠
Store the glass pane on a safe place.
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6.10.2.2 Placing the side glass pane
Placing the side glass pane will take place in reverse order of the removal procedure described above.
!Caution - Apply sucient pressure at the side of the glass pane, so it fully connects with the sealing;
- The self-tapping screws must not be over-tightened, since otherwise they could break or strip the thread: tight=tight.
6.11 Finishing the appliance
After placing the front glass pane, the base surrounding the appliance as well as the top of the appliance are placed.
When a construction chimney breast is used, the base and top are not placed.
The base is made of lacquered steel or natural stone.
During purchase of the appliance, a lacquered steel or natural stone base was selected.
The construction of the appliance was based on the weight of the DRU base.
!Caution When using a heavier or larger base, an additional bearing construction must be placed, so that the appliance is not
burdened through the extension of the DRU base.
Follow the procedure described below:
➠
Place the base; see g.12b.
➠
Slide it away from you towards the wall.
➠
Attach the securing bolts, see g.13.
!Caution Natural stone is fragile; make sure that no pieces are broken o.
➠
Place the top; see g.12a.
➠
Slide the top as far as possible to the back, against the chimney breast.
7. Wireless remote control
The appliance is supplied with a wireless remote control.
Ignition, controlling the ame height and switching o are performed by a remote control that operates a receiver.
User Manual, chapter 4, Wireless Remote Control, describes the operation of the appliance including the way the
remote control works.
Caution Do not ignite the appliance until it is fully installed.
Below, we will describe how the receiver is connected.
7.1 Receiver
The receiver is placed in the holder under the appliance, after it was connected to the appliance; see g.14.
The gas control is mounted under the appliance (see g.16).
!Caution - First connect the receiver to the appliance and then install the batteries;
- Make sure that the wiring of the receiver is free from the appliance.
In order to connect the receiver, you must proceed with the following steps (see g.15):
➠
Fit the connection cable’s brown plug to the receiver (see g.15,arrowF).
➠
Connect the white plug to the gas control.
!Tip The plugs have dierent sizes that correspond with the connectors.
Connect the cables of thermocouple1 to the receiver; (see g.15, arrowsB).
!Tip - The size of the eye corresponds with the size of the screw;
- The colours of eye and screw also correspond.
➠
Connect the black wire with the white plug of thermocouple 2 to the receiver (see g.15, arrowE).
!Caution Make sure that the wires of thermocouple 2 cannot come into contact with hot parts
➠
Connect the ignition cable to the receiver; (see g.15, arrowA )
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Connect power:
a) When using batteries, see section 7.1.1 below;
b) When using an adapter:
- connect it to the receiver; (see g.15, arrowC);
- insert the plug into the wall socket.
➠
Place the receiver (V), as indicated on g.14 and g.17.
➠
Bend the antenna out of the clips; see g.15, arrowD.
➠
Set the antenna straight.
!Caution - Do not place the antenna (N) too close to the ignition cable and/or metal parts (for the correct position, see g.17);
- Do not place the ignition cable over and/or along metal parts: this will weaken the spark;
- Do not lay the ignition cable over the receiver: this could damage the receiver;
- Avoid dust on or in the receiver: cover it when performing work.
7.1.1 Placing / replacing the batteries
Follow the procedure below when placing the batteries:
➠
Open the door of the control box.
➠
Pick up the receiver.
➠
Slide the cover o.
➠
Place or remove the 4 penlite (AA type) batteries.
!Caution - Avoid a short circuit between the batteries and metal objects/parts;
- Observe the“+” and“-” poles of the batteries and the holder;
- Use alkaline batteries.
➠
Slide back the cover.
➠
Place back the receiver.
!Caution Batteries are regarded as “small chemical waste” and may therefore not be disposed with the household rubbish.
8. Final check
In order to check whether the appliance is working properly and safely, you must perform the following checks
before the appliance is used.
8.1 Gastightness
Caution All connections must be gastight.
!Caution The gas control can be subjected to a maximum pressure of 50 mbar.
➠
Check the connections for gastightness.
8.2 Gas pressure / line-pressure
The burner pressure is set at the factory; see data plate. It is not necessary to check the burner pressure.
Caution The line-pressure in house installations should be checked, as they can vary.
➠
Check the line-pressure; see Appendix2/Table7 when propane is used and g.18 for the measuring nipple on the
gas control.
➠
Contact the gas company if the line-pressure is not correct.
8.3 Ignition pilot burner and main burners
For igniting the pilot burner and main burners, see the User Manual, chapter 4, section 4.2, Remote Control.
Caution - During the ignition process, you are not allowed to operate control button B on the gas control manually;
- Always wait 5 minutes after the pilot burner has gone out, before you re-ignite the appliance.
- Do not turn the pilot burner lower by using the settings on the gas control.
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8.3.1 Pilot burner
➠
Check the ignition of the pilot burner:
- the pilot burner should start at the rst attempt.
If the pilot burner does not ignite:
➠
check if the ignition sparks:
a) If not, the ignition cable is probably not lying free from metal parts;
b) If it does, there is probably still air in the pipe.
➠
Bleed the pipe and/or
➠
Lay the ignition cable free from metal parts.
8.3.2 Main burners
Caution The burners should ignite smoothly and should not pop as a result of delayed ignition.
➠
Check the function of the main burners from the standby (pilot burner) position:
- after opening the gas valve, the main burners should burn within a few seconds.
!Tip When the gas valve is opened, the motor will run; this is audible.
1) If the main burners do not burn:
➠
Check if button A on the gas control is in the position ON;
➠
Check if the space surrounding the pilot burner is free from objects;
➠
Check the placement of the wood set.
➠
If necessary, correct the above mentioned faults.
➠
Test the main burners 5x for a good operation.
2) If the main burners ignite, but go out again after approx. 22 seconds, please:
➠
Check the wiring of thermocouple 2 for:
- Loose wiring;
- Wrongly connected wiring;
- Short-circuit;
- Broken wire.
➠
Check if thermocouple 2 is dirty.
➠
Check if thermocouple2 is positioned correctly in the ame; see g.19.
➠
Check if thermocouple 2 is defective; see chapter 11, table 4 under J7.
➠
Check if the receiver is defective; see chapter 11, table 4 under J8.
➠
If necessary, correct the above mentioned faults.
➠
Test the main burners 5x for a good operation.
8.4 Flame image
The ame image can only really be assessed when the appliance has been burning for several hours.Volatile compo-
nents from paint, materials, etc., which evaporate in the rst hours, will aect the ame image.
!Caution If the chimney breast is made of stone-like materials or has a plaster nish, this may only take place 6 weeks after
placing the chimney breast, in order to prevent shrinkage cracks.
➠
Check whether the ame image is acceptable.
If the ame image is not acceptable, this can be due to:
- the evaporation of volatile substances;
- incorrect placement of the wood set;
- incorrect settings of the appliance.
➠
If necessary, improve the placement of the wood set.
➠
If necessary, improve the settings of the appliance; for this, see section 6.8.
9. Maintenance
Once a year the appliance should be checked, cleaned and, if necessary, repaired by a competent installer in the eld
of atmospheric gas-red heating.
Check at least whether the appliance is working properly and safely.
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Caution - Close the gas tap when performing maintenance work;
- Check the gastightness after repair;
- After replacing thermocouple1 you should rst tighten the swivel by hand and then give it another quarter turn
with a suitable spanner;
- Do not turn the pilot burner lower by using the settings on the gas control.
➠
If required, clean the following components:
- the pilot burner;
- the space surrounding the pilot burner;
- the glass panes.
!Caution - Remove/place the glass panes as described in section 6.10;
- Remove the deposit on the inside of the glass panes with a damp cloth or a non-abrasive detergent such as copper
polish;
- Avoid/remove ngerprints on the glass panes, as they will burn into the glass;
- Replace a broken and/or cracked glass pane as described in section 6.10.
Caution If necessary, place back the wood set correctly; for this, see section 6.9.
➠
Inspect the ue gas discharge / combustion air supply system.
Caution You must always perform a nal check.
➠
Perform a check as described in chapter 8.
9.1 Parts
Parts that must be replaced, can be obtained from your supplier.
10. Delivery
You must explain to the user how he should operate the appliance. You should instruct her/him for instance on us-
ing the appliance for the rst time, the operation of the remote control, annual maintenance.
Caution - Tell the user to close the gas tap immediately in case of malfunctions/bad performance and contact the installer in
order to prevent dangerous situations;
- Indicate the location of the gas tap;
- Point out the location of the receiver and the gas control;
- Point out the precautions in the user manual concerning unintended ignition by other remote controls such as car
keys and garage door openers.
➠
Instruct the user about the appliance and the remote control.
➠
When the appliance is started for the rst time, point out that
- in order to avoid cracks in a chimney breast nished with plaster, it should dry for at least 6 weeks prior to putting
the appliance into operation
- when the appliance is stoked up for the rst time, volatile components evaporate from paint, materials, etc.;
- when evaporating, the appliance should preferably be set at the highest level;
- the room should be well ventilated.
➠
Give the user manual and installation manual to the user (the installation manual should be kept near the appliance).
11. Malfunctions
In the following table you will nd an overview of malfunctions that might occur, the possible causes and the
remedies.
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20
MILO  INSTALLATION MANUAL
English
Table 4: Diagnosis of malfunctions
Problem Possible cause Remedy
A. No transmission
(motor will not run)
1. The (new) communication
code between receiver and
remote control must still be
conrmed.
2. Empty batteries.
3. Receiver is damaged.
4. Remote control is damaged.
5. Motor cable at valve/receiver is
broken.
6. Bent pins of the 8-wire con-
nector.
7. If the receiver is surrounded by
metal, this could decrease the
transmission range.
1. Hold down the reset button of the receiver,
until you hear 2 sound signals; see g.20.
Let go of the reset button after the second,
longer sound signal and press button
(small ame) or button (large ame) on the
remote control within 20sec., until you hear
an extra long sound signal conrming that
the new code has been set.
2. Replace batteries.
!Caution Avoid short circuit between the batteries
and metal parts of the appliance.
3. Replace the receiver and conrm the code
(remedy 1).
4. Replace the remote control and conrm the
code (remedy 1).
5. Replace the motor cable.
6. Make sure that the pins of the 8-wire connec-
tor are straight.
7. Change the position of the antenna.
B. No ignition (spark) 1. Button A in position MAN.
2. Ignition cable runs over and/or
alongside metal parts.
3. Ignition pen corroded.
4. 60-second delay before the full
restart is not yet nished.
1. Switch button A on the gas control to ON, see
g 16.
2 Do not place the ignition cable over and/or
along metal parts. This will weaken the spark;
see g.17.
If necessary, replace the ignition cable.
3. Replace the ignition pen.
4. Wait until the delay time has passed.
C. No sound signal 1. Receiver is damaged.
2. 60-second delay before the full
restart is not yet nished.
1. Replace the receiver and conrm the code
(remedy 1 at A)
2. Wait until the delay time has passed.
D. One continuous sound
signal of 5 sec.
(Possible 7 short beeps
prior to the 5 sec.
sound signal)
1. Loose wiring between receiver
and gas control.
2. Receiver is damaged.
3. Bent pins of the 8-wire con-
nector.
4. Damaged magnetic valve.
5. Thermocouple 2 still too hot.
1. Connect the wiring properly.
2. Replace the receiver and conrm the code
(remedy 1 at A)
3. Make sure that the pins of the 8-wire connec-
tor are straight.
4. Replace the gas control.
5. Wait until the thermocouple has cooled down
suciently
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