7
Concord CXDi/H -
Users
1.
Always follow these instructions.
2.
Correct ventilation is essential for safe operation of
the boiler. Do NOT obstruct ventilation ducts, grilles or
openings in the boiler room, or the passage of
combustion and ventilation air to the boiler.
3.
Do NOT store objects around or on the boiler, and
keep access clear at all times.
4.
Switch OFF and disconnect the electricity before
carrying out maintenance work.
Remember !
The ON/STANDBY [1/0] button does
NOT
electrically isolate the boiler.
5.
Do NOT turn off the boiler if it is to be left unattended
in frosty weather.
9 USING THE BOILER FEATURES AND CONTROLS - continued
Delayed High Rate Gas valve Operation
When the boiler is started from cold the high rate gas valve
will be delayed for 3 minutes and then energised. If the boiler
flow temperature is equal to or greater than 55
o
C then this
delay will NOT occur.
Notes.
1.
If a fault occurs with the boiler thermostat the fault
display screen will show "C/H Sensor Fault".
2.
When the low rate gas valve is de-energised, as the
temperature required has been obtained, the boiler will
go into an anti-cycle route for 2 minutes. The display
will indicate anti-cycle and the current flow
temperature.
SERVICING
This is for use by the installer / service engineer only.
COMMISSIONING
This is for use by the installer / service engineer only.
OUTSIDE SENSOR (if fitted)
Information will be provided with the kit.
10 GENERAL CARE
WARNING
.
This appliance
MUST
be efficiently earthed.
CLEANING
F
or normal cleaning simply dust with a dry
cloth.
To remove stubborn marks and stains use a
damp cloth and mild detergent.
Do NOT use abrasive cleaning materials.
MAINTENANCE
The boiler should be serviced at least once a
year by a CORGI registered installer.
