Intergas Heating Ltd
9
3 GENERAL BOILER INFORMATION
3.1 General
The Intergas Combi Compact ECO RF wall mounted, gas fired boiler is a closed
appliance. The appliance is designed to transfer heat to the water circuit in a CH
system and the DHW installation.
The air supply and combustion gas flue connection is as standard prepared for a
concentric 60/100 horizontal flue system. The appliance can be connected to a wall
mounting jig and expansion vessel. The appliance can also be connected without the
wall mounting jig using the robo kit.
The Intergas Combi Compact ECO RF wall mounted gas fired boiler carries the CE
rating and IP44 electrical protection.
The Combi Compact ECO RF 36 is suitable for supplying at least 13 litres of water per
minute at 35°C temperature arise. TheCombi Compact ECO RF 30 is suitable for
supplying at least 10.5 litres of water per minute and the Combi Compact ECO RF is
suitable for supplying at least 8.5 litres of water per minute.
It is possible to use the appliance solely for hot water or solely for heating. The
unused system does not have to be connected. The parameters have to be set
accordingly.
The appliance is supplied as standard for natural gas (G20). For usage of propane gas
(G31) the boiler can be modifed by changing the gas injector. A gas conversion kit can
be ordered at Intergas Heating Ltd.
Note
Modification of the boiler can only be done by a qualified competent person.
3.2 Boiler controller
An electronic control unit, consisting of a boiler controller and separate ignition module
which is placed on the gas valve, provides direct burner ignition and flame supervision
along with continuous modulation of the burner’s gas supply.
3.3 Parameter list
All boiler adjustments are accessible through the parameter list in the software.
3.4 Heat transfer
Heat transfer to the boiler’s heating and DHW circuit is obtained via a primary, gas to
water heat exchanger within a hermetically sealed combustion chamber. A modulated
speed fan blows the gas/air mixture into the combustion chamber and expels the
products of combustion to outside air via an associated flue system.
3.5 Central heating system
An integral High Efficiency modulating pump located in the boilers hydraulic circuit
circulates water through the heat exchanger to the central heating circuit. During DHW
demand the pump stops functioning, so all the heat is directly transferred to the
integrated DHW circuit and no transfer losses occur. In the event of reduced or
interrupted water circulation in the central heating circuit, an automatic system by-pass
should be fitted as far away from the boiler as possible.
Note
It is no longer permissible to utilize a non-thermostatic controlled radiator as a by-pass.
3.6 Room temperature control
To control the room temperature an external programmable room thermostat must be
used, optionally in combination with thermostatic radiator valves. The integrated RF
module provides wireless connection to wireless room thermostats.
Note
Connection of the room thermostat is dependant on the operating voltage of the
thermostat.
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