Hamworthy UF150-1, Инструкция по установке, вводу в эксплуатацию и эксплуатации

Страница: 39 / 64

HAMWORTHY HEATING LTD
33
UPTON FLOOR STANDING SERIES 500001340/C
prevent incorrect fitting.
If a ‘clip in module’ is fitted, this must be removed and
transferred to the new LMS. Carefully disconnect the
plug connecting the clip in to terminal X40 or X50.
Depress the latch at the plug end of the clip in and
disengage the module from the LMS.
Fit the replacement control in reverse order. Remember
to apply the parameters local to the installation
- refer to
section 8.
11.9 Display screen - Part no. 533901691
Remove the control knob from the front of the display,
use a pen to push the shaft of the though the securing
clip on the back of the display PCB. The displace screen
is held in place by four clips. Push the display over these
four clips using a small screw drive to prise the clips
away. Disconnect display ribbon cable from PCB.
Refit ribbon cable to new display PCB and push the
display into the display housing past the four retaining
clips. Refit control knob
11.10 Low gas pressure switch
Part no. 533901497 UF100 & UF150
Part no. 533925004 UF200 to UF350
Isolate the gas supply using the valve located in the
bottom left hand corner.
Disconnect the electrical plug after removing the
securing screw. Remove the screw securing the switch
to the gas valve body.
P1
2
1
Figure 11.11 Air pressure switch
Figure 11.12 Air filter media
Air filter cover clips
When re - fitting a replacement switch remember to set
the operating pressure. See Figure A2 Gas Data
11.11 Air Pressure Switch - Part no. 532496004
Disconnect the sensing tube from the switch noting the
position. Disconnect the electrical connections noting
their position. Remove the 2 screws securing the switch
to the control panel. The replacement switch is factory
set.
11.12 Air Filter Media - Part no. 532812027
The Upton is fitted with an air inlet filter which is
accessed after removing the main front cover of the
boiler.
The White filter material can be replaced at service
intervals by ordering the part number above
available from Hamworthy Heating Ltd spares
department.