Johnson & Starley WARMCAIR C16D, Руководство пользователя

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17.10 GAS VALVE & VENTURI ASSEMBLY
NOTE: The gas valve is factory preset and must not be adjusted. A replacement valve can only be
supplied by Johnson & Starley Ltd.
17.10.1 Remove the 2 fixing screws securing the venturi (and gas valve to the burner and remove the assembly
from the burner carefully removing the gasket.
17.10.2 Replace with the new component and re-fit in reverse order, ensuring all the seals are in good condition
and correctly positioned.
17.10.3 Check the gas rate and combustion as described in paragraph 14.4.
17.11 BURNER ASSEMBLY
17.11.1 Refer to section 16.3. See Figure 29.
17.11.2 Unscrew the gas joint at the top of the gas cock.
17.11.3 Remove the ESYS (red ignition box) & gas valve/venturi assembly. Refer to 17.9 & 17.10 and Figure 21.
17.11.4 Remove the 4 nuts and washers securing the burner assembly.
17.11.5 Carefully withdraw the assembly from the heat exchanger.
17.11.6 Remove the spark detection electrodes, allowing the burner sealing plates to be separated.
17.11.7 Fit new and re-fit in reverse order. Make sure all gaskets are replaced with new ones, ensure the
rotation position of the burner is correct (indicated by a notch) and the viewing window is in correct
position
17.11.8 Re-fit in reverse order.
17.12 IGNITION ELECTRODES
17.12.1 Refer to section 16.3. See Figure 29.
17.12.2 Unplug the lead from the ESYS (red ignition box) and earth wire from the back of the electrode. Refer
to 17.9 and Figure 19.
17.12.3 Remove the 2 remaining nuts and withdraw the electrode.
17.12.4 Replace with a new unit, ensuring the gasket is replaced with a new one, or if the existing gasket if
reused is in good condition.
17.12.5 Re-fit in reverse order.
17.13 FLAME DETECTION ELECTRODES
17.13.1 Refer to section 16.3. See Figure 29.
17.13.2 Unplug the lead from the ignition control. See Figure 19.
17.13.3 Remove the two retaining nuts and withdraw the electrode.
17.13.4 Replace with new unit, ensuring the gasket is replaced with a new one.
17.13.5 Re-fit in reverse order.
IMPORTANT: When either the ignition or flame detection electrodes have been serviced or replaced you MUST
set the clearances as shown in Figure 16.
FIGURE 30. COMBUSTION AIR FAN ASSEMBLY
ELECTRICAL CONNECTIONS
SCREWS
FLUE ELBOW FLUE ELBOW
TELESCOPIC FLUE
17.14.1 Refer to section 16.3.
17.14.2 To remove the CAF refer to 16.8.2
to 16.8.6 and Figure 18.
17.14.3 Remove the 4 retaining screws
that attach the CAF and flue
elbow. See Figure 23.
17.14.4 Fit new and re-fit in reverse
order.
17.14 COMBUSTION AIR FAN (CAF)
FLANGE
CONNECTION
GASKET SEALING
RING
‘O’ RING