Space-Ray CBU09, Инструкция по установке, обслуживанию и эксплуатации

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Form 483S
Rev Jan 09
Page 48 of 53
8.2 Control Box
The control box can be removed from the appliance and serviced at ground level.
8.2.1
Disconnect the electrical supply socket from the 3 pin plug (marked 230V~50Hz) mounted in the side of the
Control Box, turn off the gas supply to the appliance at the gas isolation valve and disconnect the gas supply
pipe from the control box, leaving the R - ½ nipple screwed into the Control Valve flanged elbow.
8.2.2
Slacken the nuts of the Torctite Coupling securing the Control Box Connector to the Radiant Tube and draw the
Control Box Assembly off the Radiant Tube.
8.2.3
Ignition Electrodes
8.2.3.1 Open the Control Box door after releasing the two toggle latches.
8.2.3.2 Disconnect the grey HT ignition/flame sensor lead and the green/yellow earth lead from the electrodes by gently
pulling the connectors, using pliers.
8.2.3.3 Unscrew the M6 x 16 setscrew securing the electrode carrier to the Control Box and remove the Electrode
Assembly.
8.2.3.4 Remove any foreign matter from the Electrode tips and check that the spark gap is 3.5mm. If the Electrode
rods are badly oxidised, replace the Electrodes (see section 7.2).
8.2.3.5 Upon re-assembly, ensure that the HT lead and earth lead connectors are securely attached to the
Electrodes.
8.2.4
Burner
8.2.4.1 Unscrew, the two M4 x 25 setscrews from the Burner Bracket and remove the Burner Clamp. Unscrew the
Burner from the Injector Fitting and lift out of the Control Box. Clean by use of a stiff brush to remove any
deposits.
8.2.4.2 Inspect the Injector and clean as necessary with a soft bristle brush.
DO NOT DAMAGE THE INJECTOR ORIFICE BY USE OF SOLID OBJECTS.
8.2.4.3 To remove or replace the Injector, unscrew it from the Injector Fitting using a spanner, whilst retaining the
Injector Fitting with a second spanner.
8.2.5
Electrical Wiring
8.2.5.1 Check that all the electrical connections are sound and that the wiring is undamaged. Replace damaged wires
as necessary.
8.2.6
Air Inlet/Baffle Plate
8.2.6.1 Check that the air inlet holes in the Baffle Plate, which is clamped between the Control Box end panel and the
Air Inlet flange, are clear from obstructions. Check also, that the wire mesh panel of the Air Inlet is clean.
Clean as necessary using a soft brush.
8.2.6.2 In the case of an appliance having a ducted air supply, it will be necessary to disconnect the flexible
ducting from the Air Inlet by first releasing the hoseclip.
8.2.6.3 If it is necessary to remove the Air Inlet to adequately clean the Baffle Plate it will be necessary to replace the
gasket seal (see section 9.10 - Replacement Parts).
8.2.7
Door Seal
8.2.7.1 Check the condition of the seal around the Control Box door and replace as necessary (see section 9.10
Replacement Parts)
IMPORTANT: The appliance will not function unless the seal around the control box door is sound and the
door secured with the two toggle latches.