Key (Accessories); Commissioning; Pre-Commissioning Checks - Bosch Worcester 2000 Series Installation And Maintenance Instructions Manual

Commissioning

5.5.3

Key (accessories)

Key is supplied with Comfort+ II RF are pre-paired.
Installing the Key
Installing the Key will enable time and temperature control for the
appliance. For Pairing refer to the compatible control manual.
Always turn off the power to the appliance before installing Key
(accessories).
▶ If installing an EasyControl please ensure that the EasyControl Key is
also purchased and installed.
Follow EasyControl setup before inserting Key into Key housing.
▶ Plug Key [2] into Key housing [1].
1
2
Fig. 50 Installing the Key
▶ The lever [3] of the locking mechanism is located on the right hand
side of the Key housing. Ensure that it is in its Open position before
pulling lever [2] towards front.
▶ Turn on the power.
LED [1] starts blinking green.
▶ Wait until LED is constantly yellow.
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.
36
Description of the LED displays
Constant green:
No fault, normal operating condition.
LED Off:
No fault, power-saving mode or appliance without power.
Table 17 LED status
6 Commissioning
6.1

Pre-Commissioning checks

DANGER:
Risk of electric shock!
▶ Isolate electrical components from the power supply (230 V AC)
(fuse, circuit breaker) and secure against unintentional re-
connection before carrying out any work.
Information on safe isolation can be found in the Health and Safety
Executive guidance HSG85.
▶ Check for zero potential before proceeding with work, using test
equipment approved to GS38 to confirm that the electricity supply is
disconnected.
Checks before commissioning:
▶ Check that the service and water pipes are connected correctly.
▶ Check the gas type specified on the identification plate matches that
of the gas supply and that the gas supply is properly purged.
▶ Check that the appliance is filled with water and under pressure (1.5
bar) and that there are no leaks.
3
▶ Check that the electrical connections of the appliance are correct:
– Mains electrical supply - 230V, 50Hz
– Compliant earth connection
– Correct polarities.
– External equipment and controls are wired in correctly.
▶ Check that the flue is correctly fitted, airtight, free from any
obstruction and the connections are secure.
▶ Check that the condensate pipe work is connected properly and that
there are no leaks.
NOTICE:
If the appliance is not to be commissioned immediately then, after
successfully completing all of the checks and any rectification work:
▶ Isolate the electricity supply.
▶ Isolate the gas supply.
Example
▶ Close the shut-off valve for the cold water inlet.
▶ Close the water shut-off valves to the appliance.
▶ Label appropriately.
Example
Worcester 2000 – 6 721 814 551 (2019/09)