Opus Trio Scala User manual

I N S TALLA TION MANU AL
O P US TRIO SCALA
GAS STOVE
FIRED BY DESIGN

INSTALLATION & SERVICING INSTRUCTIONS
(TO BE LEFT WITH THE CUSTOMER)
For use in UK & Ireland on Natural Gas (G20) at a supply pressure of
20mbar
GB/IE

2
INSTALLATION INSTRUCTIONS
CONTENTS
Important notes page 2
Commissioning the stove page 8
Technical information page 3 Check for spillage page
Dimensions and clearances page 4
Customer briefing page 10
Installation page 5 Servicing page 11
Important notes
This stove is a fuel effect radiant convector. Before installation, ensure that the local distribution
condition (identification of the type of gas and pressure) and the adjustment of the appliance are
compatible. The data label is located at the rear of the stove. The installation must be in accordance
with these Instructions and National Regulations and must be carried out by a qualified installer. In
the UK the installation must also be in accordance with the relevant parts of BS5440 parts 1 and 2.
Any flue damper plate or flue restrictor must be removed or fixed permanently in the fully open
position, or shall only be fitted in accordance with National Regulations. In the UK the installation
must also be in accordance with the relevant parts of BS5440 parts 1 and 2.
This appliance is intended for use on a gas installation with a governed meter.
If the chimney has previously been used to burn solid fuel, the chimney should be swept before the
stove is installed.
The flue pull should be checked prior to the installation of the stove. Apply a smoke pellet to the
flue and ensure that the smoke is drawn into the flue. If there is not a definite flow, preheat the flue
for a few minutes & re-test.
Before the stove is installed a flue test in accordance with National Regulations should be carried
out. The gas connection must be in accordance with National Regulations.
The stove is fitted with a spillage monitoring system consisting of a thermal switch connected to a
thermocouple interrupter. This system is not adjustable, and must not be put out of action. If any
parts of the spillage monitoring system require replacement only original manufacturers’ parts must
be used.
All surfaces except the controls are considered to be working surfaces
The stove should not be used for any other purpose than as a room heater and a decorative stove.
The stove should not be operated with the door open, without the door attached or the glass in the
door damaged, broken or missing.

3
TECHNICAL INFORMATION
GAS NATURAL GAS
ONLY
COUNTRY OF GB,IE,AT,BG,CH,CZ, DE BE,FR
DESTINATION DK,EE,ES,FI,GR,HR,I
T,LT,LV,NO,PT,RO,SE,
SI,SK,TR
APPLIANCE GAS I2H I2E I2E+
CATEGORY
HEAT INPUT NET 6.95 kW/4.3 kW 6.95 kW /4.3 kW 6.95 kW /4.3 kW
HIGH/LOW
SUPPLY PRESSURE 20 ± 1 20 ± 1 20/25 ± 1
MBAR
GAS CONNECTION 8mm PIPE
GAS CONSUMPTION 0.721 M3/H
NOX CLASS 5 5 5
EFFICIENCY CLASS 2 2 2
INJECTOR STEREOMATIC No88, 7 x 0.88mm
AERATION 2X 6.3MM
FLUE RESTRICTOR 62MM DIAMETER
RING
SETTING PRESSURE 11.1 Mbar HOT (10.9 mbar COLD)
HIGH/LOW 4.55 Mbar HOT (4.4 mbar COLD)
FLUE CONNECTION 125MM DIAMETER
THERMAL SWITCH 120 ºC

4
Dimensions & clearances
FIG 1
Door locking screw

5
INSTALLATION
Install the stove in accordance with the requirements given below. If a concealed gas connection is
to be made prepare the pipe work prior to installing the stove.
Positioning the Stove
Clearances from non-combustible material must be at least 120mm on both sides and 75mm at the
back. Clearances for combustible material must be at least 200mm on both sides and 100mm at the
back.
Hearth
A hearth is not required for this stove. The stove must stand on a solid floor, either combustible or
non combustible. Care should be taken to ensure that nothing combustible, such as carpets, soft
furnishings, curtains, shelves, etc., are positioned within the minimum distances to combustibles as
stated in the paragraph above.
Log Arrangement
The logs should only be arranged as shown in the layout given in the Installation Instructions by a
qualified person. The stove must only be fitted with the ceramics supplied. DO NOT use any extra
logs or coals.
Flue Connection
The flue should be a minimum of 3metres high and at least 125mm diameter or equivalent area.
Horizontal or negative gradients in the flue pipe should be avoided.
It is recommended that a minimum height of 600mm from the stove should be established before
any significant change in the direction of the flue.
The flue must be lined.

6
Flue restrictor Ring
A 62mm restrictor ring is supplied with the stove. If the flue diameter is 150mm or more this ring
should be fitted inside the flue connection. There may however be certain circumstances where the
restrictor ring causes the stove to fail the spillage test. In such cases the restrictor ring MUST be
removed. After removal, conduct the spillage test again.
Ventilation
Ventilation should be in accordance with National Regulations. In the United Kingdom, purpose
provided ventilation is not normally required, except in new build houses. For Republic of Ireland
refer to I.S813 issued by the National Standards Authority of Ireland.
Gas Connection
The gas supply connection is behind the lower door of the stove on the inlet to the gas valve.
An isolation elbow with pressure test point is supplied with the stove for easy connection.
The gas supply should be purged and any loose matter removed.
Connect the gas supply pipe and check for gas soundness.
Fig. 2
62mm Flue restrictor ring
Dispersal medium
Remove the door locking screw and open the door (Fig.1)
Place the black granular dispersal medium supplied into the burner tray. Completely fill the burner
tray.

7
Positioning the logs
1. Fit log A, as shown (Fig. 3)
2. The embaglow can now be fitted on top of the granular dispersal medium as directed on the back
of the packet. Take care not to put embaglow material too near the pilot as this can interfere with
ignition.
3. Position logs B, C, D as shown (Fig.4 )
4. Close the door and secure with the locking screw. (Fig.1 )
Fig. 3 Fig. 4

8
Commissioning
Once the fire is in place, connected, flued correctly, and the logs are in place, you can proceed with
lighting the stove and ensuring the all the features are working correctly.
The Fire control unit is located behind the controls cover panel.
The pilot light is located centrally at the rear of the burner.
Should the stove be extinguished for any reason, wait 3 minutes before attempting re-ignition
Connect a suitable pressure gauge to the inlet pressure test point to check the correct inlet
pressures.
Fit AA batteries to the Fire control unit. The control requires 3 AA size alkaline batteries to be
inserted under the battery compartment cover. The orientation of these is shown moulded into the
battery compartment.
After fitting the batteries and replacing the cover the fire can now be operated.
Slide the Master switch to the right to the ON position (I symbol).
To start the fire, press the ON/OFF button and hold for 1 second then release. The burner will
within around 1 to 10 seconds ignite and adjust to the maximum power setting. This can takelonger
on the first lighting as it has to clear out any air locks
Check that the supply pressure is 20 mbar ± 1 mbar
The power of the burner can be adjusted up and down by pressing the + and – buttons.
To stop the fire, simply press the power button again and the burner will stop. Disconnect the
pressure gauge, replace the test point sealing screw and test for gas soundness.
Once the fire has been successfully lit and extinguished, you can then put batteries in the Remote
control and check that this is functioning correctly (See user instructions including how to set the
time and date on the handset).