Intergas Heating Ltd
9
3
GENERAL BOILER INFORMATION
3.1
General
The Intergas Compact HRE OV wall mounted, gas fired boiler is suitable for use in
open vent systems with a heating system feed tank. The appliance is designed to
transfer heat to the water circuit in a CH system and when an indirectly heated
domestic hot water (DHW) storage cylinder is installed, apply heat to the DHW
installation.
The air supply and combustion gas flue connection is as standard prepared for a
concentric 60/100 flue system. The Intergas Compact HRE OV wall mounted gas fired
boiler carries the CE rating and IP44 electrical protection.
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 metering ring. 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 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 external pump can be connected on terminal X2/7-8, see chapter 13.
3.6
Room temperature control
Room temperature can be controlled by the use of an external room thermostat and
thermostatic radiator valves.
Note
Connection of the room thermostat is dependant on the operating voltage of the
thermostat.
3.7
Integrated clock
The boiler incorporates an integral clock, which allows the setting of central heating
periods (See the User Instructions, ‘Operation and display read-out’ for details) and the
boiler’s control panel incorporates an LED display, which indicates the state of
operation and fault defect codes. When an external controller is used the integral clock
must be set onto c-on (See § 4.4).
