Ascari MA12 -p. 11 -
• A drain cock should be installed at the lowest point in the heating system to allow the water in the
heating system to be drained as fully as possible.
• While the boiler and heating system may be filled from the cold mains water supply, the boiler
must be isolated from the cold mains water supply by a suitable break in the supply pipe during
normal operation.
• Filling Loop- this boiler is not fitted with a filling loop. Any filling loop being fitted should comply
with the water supply (water fittings) regulations 1999 Section G24.1 and G24.2. A filling loop
should be fitted at some point to allow the CH system to be filled.
• The boiler must be installed in an upright position away from nearby objects (see installation
section for clearances) in a clean, dry, frost free place.
2.3 - Technical Specification
ELECTRICAL
Supply 12Kw@ 230V 52A 50Hz
13Kw@ 240V 52A 50Hz
Maximum Power Output 12KW manually convertible to 10, 8, 6 or 4KW
Modulation Automatic three or four stage reduction in 2KW
steps
12kW - 10-8-6
10kW - 8-6-4
8kw - 6-4-2
6kw - 4-2
Fuse requirements 63Amp
Number and cross-section 3 x 16² (Phase + Neutral + Earth)
PERFORMANCE
Water Pressure
Minimum 0.5Bar (0.05MPa)
Maximum 2.5 Bar (0.25MPa)
Nominal 2 Bar (0.2MPa)
Water Temperature
Minimum 21
o
C
Maximum 80
o
C
Water Flow Rate
Minimum 350litres/hour
Nominal 700litres/hour
Maximum 1400litres/hour
Thermal Limit
100
o
C Radiators
60
o
C Underfloor
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