12
7. Check the water pressure downstream of the combination valve is 3 bar in static condition.
8. Check and if necessary, descale the heat exchanger in hard water areas ie. above 200ppm (mg/l).
Note:
The cylinder is factory fitted with a temperature & pressure relief valve that must not be used for any other purpose or
removed.
The cylinder is factory fitted with immersion heaters with thermal cut outs. Immersions without thermal cut outs must not
be fitted.
Gabarrón Mattira combi boilers incorporate an unvented hot water storage cylinder, manufactured in the latest high quality
duplex stainless steel. They are designed to provide mains pressure hot water and are supplied as a package which complies
with Section G3 of the Building Regulations. The appliance is extremely well insulated using high density HCFC free foam
insulation with an ozone depleting potential (ODP) of zero and a global warming potential (GWP) of 1. It is fitted with all
necessary safety devices and supplied with all the necessary control devices to make installation on site as easy as possible.
The Gabarrón Mattira combi boiler with integral unvented cylinder is available in one variant:
1. Gabarrón Mattira combi boiler c/w Integral Direct Unvented Cylinder
- For providing central heating and hot
water heated by electricity.
Gabarrón Mattira combi boiler incorporates an electrically heated, unvented hot water storage cylinder designed primarily
for use with on peak electrical supplies. It is supplied fitted with
3 x 3kW & 3 x 2kW
immersion heaters which are CE
approved for safety.
Heat Up Recovery Times
Please refer to section 11 TECHNICAL DATA
Typical Layout
Please refer to section 4.7 TYPICAL INSTALLATION LAYOUT
Part G3 loose components supplied in boiler box
A. Combination inlet group incorporating pressure reducing valve, strainer, check valve, balance cold take off point,
expansion relief valve and expansion vessel connection points (expansion vessel connection point blanked off in normal
installation as boiler has integral expansion vessel incorporated).
B. Tundish
Pipework to be supplied and fitted by installer.