6
ENGLISH
GENERAL
SUNDAY 200 SOL
boilers are high efficiency, low tem-
perature boilers for the production of hot water for central
heating and domestic hot water systems. They incorpo-
rate a 200 litre double coil solar storage cylinder and are
equipped as standard with a water return group for use
in conjunction with solar panels.
SUNDAY 200 SOL
boil-
ers incorporate a low water content, low pressure drop,
compact, monobloc, aluminium heat exchanger, and a
premixed microflame burner controlled by an electronic
control panel, all enclosed within a robust free-standing
casing. They feature sealed combustion chambers and,
depending on what flue accessories are fitted, can be
classed as B23P, B53P, C13, C23, C33, C43, C53, C63, or
C83 appliances. The fan extracts flue gases and aspirates
comburent air from outdoors, and is continuously con-
trolled by the electronic control card.
The characteristics of the heat exchanger and burner
ensure an excellent level of performance.
The combustion chamber and the heat exchange area
are designed to keep temperature low over the burner
surface, thus minimising emissions, maximising combus-
tion efficiency and improving ignition reliability.
SUNDAY 200 SOL
boilers come complete with safety
valves, vent and bleed valve, expansion vessels, drain
cocks, system fill cock and pumps for the central heating
circuit, storage cylinder and solar collector circuit.
More than one high or low temperature zone can be
heated, with the addition of the relevant multi-zone
accessories. See the
THERMITAL
catalogue for details.
The main technical characteristics of
SUNDAY 200 SOL
boilers are:
- electronic burner ignition and ionisation flame control
- continuous electronic flame modulation for domestic
hot water and central heating water
- microprocessor control card for input and output control
and alarm management
- pneumatic control of air-gas ratio
- 3-way valve with electric actuator
- thermostatic valve
- water pressure switch
- digital display for temperature and error codes
- buttons for OFF-reset, alarm reset, and comfort func-
tions
- domestic hot water and central heating water tempera-
ture controls
- system filling cock
- central heating circuit pressure gauge
- 8 litre domestic hot water circuit expansion vessel
- 12 litre central heating circuit expansion vessel
- 18 litre solar circuit expansion vessel
- DC fan controlled by Hall effect speed sensor
- high head pump fitted as standard
- automatic bypass for central heating circuit
- 2 NTC sensors for control of flow and return tempera-
tures
- central heating flow temperature range adjustable
between 20 and 80°C
- 200 litre double coil solar storage cylinder
- water return group complete with flow regulator, solar
circuit fill/drain cocks and non-return valve
- solar controller for control of solar circuit and domestic
hot water production.
PRODUCT DESCRIPTION
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