M Design INTERRA 60, Installation Manual, Page: 6 / 18

INSTRUCTION FOR INSTALLATION AND USE 60-68-74
6
GAS fireplaces come standard with ½” GAS connection - pipe diameter of 12 mm.
Welded connections with internal thread diameter of 12 mm is provided in accordance with
CE standards. The connection is always on the left size of the fireplace. Make sure the pipe
of the gas has no error before connected into the GAS fireplace. The device should be always
connected to the locking tap, which is prescribed by standards and valid. It has to be always
able to access to this locking tap.
2.2 ELECTRICAL CONNECTION
These appliances are equipped with remote control for power supply 220 V. Always
unplugs the appliance before you start the service.
The device has to be always connected to ground.
3 CHIMNEY INSTALLATION
Installation of concentric tubes for flue gases must be carried out as specified in the
manual. The only authorized tubes are from the brand ONTOP–Metaloterm. Our gas fireplace
with ONTOP-Metaloterm has been tested and approved. Thus proper functioning of the gas
fireplace is guaranteed just with ONTOP-Metaloterm.
Between the outer tube wall and wall or ceiling should be a minimum distance of at least
5 cm (it is the thermal protection against temperature of about 130° C). Transition of chimney
extension front panel in the outer wall must be filled with silicone sealant.
4
AIR FLOW
Fireplace insert INTERRA can be ordered with or without pre-installed fan. This must be
confirmed when ordering.
4.1 Natural convection
Without fan you are not obliged to use the hot air vents. But if above the fireplace there is
a decorative wooden beam or other combustible material you have to install Hot Air Vents.
4.2 Convection by means of a fan (optional)
If you choose the fan, the air will be drawn in from the bottom and subsequently blown
through the convection casing. The fan is mounted on the back of the appliance. By removing
inside panelling on the back and unscrew the metal plate behind this inside panelling, it’s easy
to have access to the fan.
When using a fan it is not obligatory to connect air ducts.