Cisco 3905 Manual do utilizador - Página 10

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10 • UK

3.1 Service mode

• Open control panel.

• Press ON/OFF button (Fig. 1-C).

• If the fire has to be lit during the commissioning then wait until GREEN LED is on, but not flashing.

• Press the service mode button (Fig. 1-I) on the back of the cover. Alarm LED (Fig. 1-A) will flash

RED, and the operating LED (Fig. 1-B) will flash according to the position of the pressure switch –

see the table below:

RED

GREEN

YELLOW

The service mode will deactivate automatically after 30 minutes or the next time

the ON/OFF button is pressed.

• The potentiometer (Fig. 1-K) is set to maximum by turning clockwise.

• Slowly adjust the fan speed using the potentiometer. Check there are no spillages by

thoroughly checking the edge of the fireplace.

• If there is some leakage, increase the fan speed until leakage from the fireplace is no longer

detectable.

• If Step 2 is connected to the EFC25, then it can be controlled by the remote (Fig. 2-C).

The pressure switch is normally fitted in the chimney fan.

• Set the pressure switch to a minimum by turning anti-clockwise.

• Slowly increase the pressure switch setting until it cuts out (you will hear a click) or until the

operating LED (Fig. 1-B) changes from GREEN to RED.

• Make a note of the pressure switch setting at cut-off.

• Set the pressure switch to 10 Pa below the previously noted cut-off value.

• Press ON/OFF button (Fig. 1-C). Service mode is now deactivated.

• Check the start-up function after the commissioning by pressing the ON/OFF button.

• Start fireplace.

• Check there is no leakage (all doors and windows must be closed) If some other type of ventila-

tion is installed, it must be on and running at full speed.

• If a leak is detected, repeat the commissioning.

• After running for ten minutes with no leakage, turn the isolation switch off and the fail-safe

function is being checked. The fireplace should cut-out after 15 seconds after the pressure

switch has cut-off. Remember to switch the isolation switch back on.

• Fit the cover.

• Inform the end user about the controller functions and leave the instructions with the end user.

In service mode the PDS and Air inlet safety function are disabled.

Insufficient chimney draught (C-NC)

Sufficient chimney draught (C-NO)

No signal from pressure switch. Check the wiring

3001736-EFC21-EFC25-UK