Johnson & Starley JB25P MK 5, Инструкции по установке, пусконаладке и обслуживанию

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ZZ1031/4
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Fig. 2
Worked example of equivalent flue height
5.2 ELECTRICAL:
5.2.1 Mains .
a. The heater is supplied with mains cable (PVC sheathed, heat resisting to 85
o
C), 3-core Brown-Blue-Green/
Yellow, 5A, 0.75mm 2 ), connected to a terminal block and exiting through the heater at the right hand top. The
cable is suitable for a 230V 50Hz supply and shall be connected to the fixed wiring using a double pole
switched, fused spur, incorporating a protective earth link. The fuse fitted shall be rated 5A to BS 1362.
Connections shall be in accordance with the current edition of I.E.E. Regulations BS 7671.
b. A 24V room thermostat (not supplied), that complies with BS 800, BS 3955 and BS 4201 is essential to ensure
close control of comfort conditions. An anticipator is located within the thermostat and is graded in amps.
The anticipator should be checked and adjusted to 0.2A.
1.6m
4.6m
H
a
= 6.2m
Ridge Terminal
2 x 300 mm lengths
4 x 1000 mm lengths
45 O bend
45
O
bend
2 x 300 mm lengths
300 mm length
Flue spigot
100 mm dia flue pipe
ZZ1031/4
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8.10 TIME CONTROL REMOVAL:
8.10.1 Remove the Electrical Assembly as detailed in sect 8.9.
8.10.2 Disconnect the wiring from the Time Control connection block terminals as follows:
a. BROWN conductor from terminal marked ‘ L ’,
a. BLUE conductor from terminal marked ‘ N ’,
a. GREEN/YELLOW conductor from terminal marked ‘ E ’,
a. YELLOW conductor from terminal marked ‘ 3 ’,
a. WHITE conductor from terminal marked ‘ 4 ’,
8.10.3 Release the 2 x securing screws situated on the lower face of the Time Control and remove by partially
withdrawing the bottom of the Time Control and then lifting upwards
8.10.3 Refitting or replacement is in reverse order.
8.10.4 Set the Time Control to the required ON and OFF times.
8.10.5 Set the Time Control to the correct time.
8.11 SUMMER CIRCULATION SWITCH REMOVAL:
8.11.1 Ensure that the electrical supply is isolated.
8.11.2 Remove the appliance upper and lower doors.
8.11.3 Disconnect the Summer circulation switch.
8.11.4 Release the switch securing bezel, and the remove switch.
8.11.5 Refitting or replacement is in reverse order.
8.12 FAN DELAY CONTROL AND LIMIT SWITCH REMOVAL:
8.12.1 Ensure that the electrical supply is isolated.
8.12.2 Remove the appliance lower and upper doors.
8.12.3 Release the 2 x 4mm screws securing the Limit Switch cover and withdraw the cover.
8.12.4 Disconnect the required control/switch.
8.12.5 Release the 2 x securing screws and remove the required control/switch.
8.12.6 Refitting or replacement is in reverse order.
8.13 TTB REMOVAL:
8.13.1 Ensure that the electrical supply is isolated.
8.13.2 Remove the appliance lower and upper doors.
8.13.3 Disconnect the Fan plug from the Electrical Assembly flying lead.
8.13.4 Release and remove the Fan securing screw and remove the Fan from the fan compartment.
8.13.5 Cover the aperture to the heat exchanger in the top shelf to prevent objects falling into the heat exchanger.
8.13.6 Release and remove the 6 x self tapping screws securing the fan compartment rear plate, and withdraw the rear
plate.
8.13.7 Hold the TTB mounting bracket and release the securing screw, rotate the bracket counter clockwise and
remove.
8.13.8 Disconnect the TTB, taking care to avoid pulling the wires through the grommet in the top of the heater cabinet.
8.13.9 Release the 2 x 4mm screws and remove the TTB.
8.13.10 Refitting or replacement is in reverse order.
8.14 HEAT EXCHANGER ACCESS:
8.14.1 Remove the Burner and Control Assembly as detailed in sect 8.2
8.14.2 Remove the Electrical Assembly and Time Control as detailed in sects 8.9 and 8.10.
8.14.3 Release the 2 x securing screws and remove the heat exchanger access cap and gasket.
8.14.4 Remove the heat exchanger baffle.
8.14.5 Reassembly is in reverse order.
NOTE: When reassembling, ensure that the baffle is pushed fully home and the access cap is fully sealed. In the event of
heat exchanger replacement being necessary, contact Johnson and Starley Service Department.