Atmos HE22 Operation instructions

Atmos InterOpen
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ATMO
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User Operating Instructions for Atmos InterOpen HE22 Condensing Boiler
First ask your installer to instruct you thoroughly about filling, de-
aerating and general use of the appliance and the total installation.
General operation
The Atmos InterOpen wall-mounted gas boiler is a balanced flue
appliance suitable for open vent systems with a header tank. The
appliance is designed for delivering heat to the water of a central heating
system and, if required, heating hot water via an indirect tank. The Atmos
InterOpen wall-mounted gas appliance is a modulating high efficiency
(Sedbuk B) boiler. This means that the power is adjusted to the heat
demand.
In the aluminium heat exchanger is an integrated copper circuit.
The appliance has been provided with an electronic burner controller that
controls the fan with the heat demand, opens the gas valve and ignites
the burner, continuously monitors the flame and controls it dependent on
the power required.
The Atmos InterOpen boiler has the CE quality mark and an IP44
enclosure.
Central Heating (CH) operation & Tank (if applicable)
The controller adjusts the fan speed, and hence the heating power,
according to the set CH supply water temperature, the latter being
displayed on the temperature display (adjustable between 30 and 90 °C,
using + / - buttons).
The appliance has a pump output. If the external pump (not supplied as
part of the HE22 appliance) is connected to this output, a pump overrun
time of 1 minute is provided (factory setting, but can be adjusted) to
dissipate the heat. Also, the pump will automatically run once every 24
hours to prevent it from getting stuck (if there is no heat demand).
Displays Controls
1. On/Off LED 6. Comfort function On LED ** A. On/Off button E. Comfort button **
2. CH LED 7. Service display B. CH/Hot water switch button F. Service button
3. Hot water LED ** 8. Fault LED C. – button G. Reset button
4. Temperature display 9. CH pressure gauge ** D. + button
5. Eco mode LED **
Operating conditions on the service display (7):
— Off (frost protection active) 2 Self-test 5 CH operation
Stand-by 3 Fan 6 Domestic hot water operation **
0 Pump overrun CH 4 Ignite burner 7 Heating the appliance (heat exchanger)
1 Required temperature reached
**Note that controls and displays marked in this way are not applicable for the HE22 appliance.
When the red fault LED (above the Reset button) is on, the burner controller has detected a fault. In the service display, a flashing fault code appears.
1 2 3 4 5 6 7 8 9
A B C D E F G
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Commissioning
The appliance should be installed and commissioned by an authorised
installer. Check the following:-
Never connect the appliance to the mains voltage without filling and
de-aerating the appliance and the system.
1. Confirm that the appliance and system have been filled and de-
aerated.
2. Check that the electrical supply is switched on and the gas supply
is on.
3. Set the room thermostat lower than the room temperature.
Assuming that the appliance is in standby (horizontal mark on the
service display and remaining functions are off), switch on the
appliance with the on/off button on the display.
4. Set the room thermostat higher than the room temperature. The
appliance will start CH operation (5 on the service display) , heating
the CH supply water to the set temperature (see CH operation).The
set temperature can be adjusted (lower in case of mild weather,
higher if the outside temperature gets colder).
Frost protection
In order to avoid freezing of the condensate discharge pipe, the appliance
should be installed in a frost-free room. In order to avoid freezing of the
appliance (heat exchanger), it has an appliance frost protection. When the
temperature of the heat exchanger drops to 5ºC, the burner will be
activated and the external pump will start running (if connected to the
appliance pump output) until the temperature of the heat exchanger
reaches 10ºC. When the system (or a part of it) can freeze, a frost
thermostat should beinstalled in the area to beprotected. Connect this
according to the wiring diagram (see also the Installation instructions).
Note!
The external frost thermostat is not active when the appliance has been
switched off at the operating panel or when the mains voltage has been
interrupted.
Faults
If one of the following simple faults occur, they may be remedied as
follows. In case of recurrence, or other faults, please contact your
installer.
The CH System does not reach the correct temperature:-
•Increase the temperature on the room thermostat.
•Open the radiator valves.
•Increase the CH water temperature by means of the CH / HW
switch button and the + and – button on the display.
•De-aerate the system with the manual air vents on the radiators.
The fault LED above the Reset button lights up and the service
display flashes with code 0, 1, 2 or 3:-
The boiler is getting too hot, due to insufficient circulation.
•De-aerate the system with the manual air vents on the radiators.
After remedying the cause, press the Reset button for 5 secs and the
appliance will start-up again.
System Shutdown
Drain the appliance and the system when the mains voltage
has been disconnected and there is a chance of freezing.
1. Drain the appliance using the drain tap.
2. Drain the system at the lowest point.
Servicing the appliance
The appliance, the installation, the flue discharge and air supply should
be serviced every year by a qualified service engineer. The appliance
can be cleaned with a damp cloth. Do not use any aggressive or sanding
cleaner.
Guarantee
Atmos guarantees the heat exchanger for 5 years as detailed in the
Installation Manual, and other parts for 2 years (except ignition probe,
ionisation pin, glass fuse, thermocouple and de-aerator) including labour.
The provision of service and the execution of the guarantee is the
responsibility of the installer from whom you purchased the appliance.
See also the Guarantee card.
User Instructions for HE22
Issue 3.02.06
Atmos Heating Systems
West March, Daventry, Northants, NN11 4SA.
Tel: [phone]. Fax: [phone]. Email: [email protected] Web:www.atmos.uk.com
May be changed without
prior notice