Changing Components - Potterton Osprey 2 CFL 125 Installation And Servicing Instructions

Magnets
Front Panel
Fig. 31
Cover Panel
Spring Clip
Thermostat
Phials
Fig. 33
Spacer Tube
Securing Pin Screw
Control
Knob
Securing Screw
Top Panel
Thermostat
Fig. 34

10.0 Changing Components

Securing
Screws
IMPORTANT: When changing components
ensure that both the gas and electrical
supplies to the boiler are isolated before any
work is started.
Undo the two securing screws from the rear of
the top panel. Remove the panel (Fig. 30).
Disengage the retaining magnets at the top of
the front panel and hinge forwards. Unhook the
panel from the lower hinge pins (Fig. 30).
10.1
1. Swivel the two retaining plates (Fig. 31)
through 90°. Lift the control box slightly and
allow it to hinge forwards. Undo the two retaining
screws and remove the cover panel (Fig. 32).
2. After noting their position remove the wires
Fig. 30
from the thermostat body. Turn the thermostat
knob fully anticlockwise and pull it off (Fig. 33).
3. Remove the screws securing the thermostat
to the control panel and pull off the earth wire
(Fig. 34).
4. Pull the spring clip off the thermostat pocket.
Withdraw both the boiler and overheat
thermostat phials and the spacer tube from the
pocket (Fig. 33).
5. Take the new thermostat and turn the
operating shaft fully anticlockwise.
6. Reassemble in reverse order. The securing
screw incorporating the pin must be used on the
right (Fig. 34). Ensure both phials and the spacer
tube are pushed fully into the thermostat pocket
and the capillaries are retained by the clip.
Fig. 32
Earth Wire
Boiler Thermostat
19