Key (accessories)
5
Key (accessories)
5.1
Key LED
Key accessory location
▶ The Key can be located underneath the appliance on the right hand
side.
Key LED status
The LED [1] on the Key displays different states with flashing or constant
colours.
Description of the LED displays
Flashing red:
Fault, e.g. no communication between the Key and
appliance:
▶ Install the key again, restore the last functioning status.
Flashing yellow:
No fault, user please wait.
Flashing green:
No fault, initialisation process is running.
Constant red:
Temporary fault:
▶ Wait for normal operating condition to be resumed.
Constant yellow:
▶ Keys with touch-sensitive indicator: Press touch-
sensitive indicator on key to start pairing.
Constant green:
No fault, normal operating condition.
LED Off:
No fault, power-saving mode or appliance without power.
Table 4 LED status
For more information please refer to your control manual.
6
Shutdown
6.1
Setting frost protection
NOTICE:
Risk of damage to the system from frost!
The heating system can freeze up after a prolonged period (e.g. during a
power failure, switching off the power supply, faulty fuel supply, boiler
fault etc.).
▶ Ensure that the heating system is in constant use (particularly when
there is a risk of frost).
If you are leaving your property unoccupied during cold weather, please
leave your external programmer on constant and your room thermostat
set to 12 °C.
10
7
Clearances and ventilation information
7.1
Appliance clearances
Your installer will have provided adequate space around the appliance
for operation, safety and servicing/maintenance access.
• The following detail the necessary clearance around the appliance for
service and maintenance.
CAUTION:
Risk of damage to appliance or property
The appliance will overheat if the clearance space around the appliance
is restricted by objects.
▶ Do not restrict this space with the addition of cupboards, shelves etc.
Example
next to or around the appliance.
▶ Do not store any combustible materials on or next to the appliance,
such as clothes, towels, paper or plastic bags.
Fig. 7
Appliance minimum clearances
X
Y
Z
1
2
3
4
5
6
7
8
9
1) Height for either 60/100 flue or 80/125 flue
2) Clearnace to a combustible material
Table 5 Appliance minimum clearances
Minimum clearances
Description
Appliance width
Appliance height
Appliance depth
Maintenance
Overall clearance height
Overall clearance depth
In front of appliance
Overall clearance width
Above the appliance
Either side of appliance
Below the appliance
Compartment depth
Appliance to removable door
Worcester 2000 – 6 721 814 552 (2019/09)
Dimensions (mm)
400
724
300
1)
1115/1155
900
600
410
1)
191/231
5
200
2)
320
2)
20
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