Heatrae Sadia ELECTROMAX Installation & Servicing Instructions Manual page 42

9.3.12 Removing the Front Fascia Panel (see
diagram 48, page 42)
(a) Drain primary circuit.
(b) Unscrew the securing screws from the top
of the front fascia moulding (note: these
screws can only be accessed with the top
panel removed).
(c) Push the front fascia moulding up slightly
and then pull forward to remove.
(d) Disconnect all supply cables to the terminal
blocks.
(e) Disconnect the earth bonding cable
from the terminal adjacent to the teminal
blocks.
(f) Disconnect internal wiring from the pump
(see section 9.3.4, page 37) and the electric
boiler (see section 9.3.7, page 39).
(g) Disconnect the pressure gauge connection
from the primary system pressure relief
valve (see section 9.3.5, page 38).
(h) Unscrew the four fixing screws securing
the front fascia panel to the side panels
and remove.
(i) The following components of the front
fascia panel are replaceable: "Boost"
immersion heater "ON" indicator neon,
"Boost" immersion heater switch, "DHW
ON" and "CH ON" switches, pressure
gauge, boiler status pcb.
9.3.13 Removing the Boiler Status Display
PCB (located on the Fascia Panel) (see
diagram 49, page 42)
(a) Unscrew the four securing nuts from the
mounting pillars on the reverse of the
fascia panel.
(b) Carefully remove the boiler status display
pcb from the mounting pillars.
(c) Replace with new boiler status display pcb.
Ensure that plastic spacers are located on
the mounting pillars under the pcb. Ensure
the nuts are equally tightened.
(d) Ensure the correct display PCB is fitted -
an underfloor display PCB must be fitted
to the underfloor Model. (see diagram 39,
page 36)
42 Installation & Servicing Instructions
Front facia panel
Front facia moulding
Diagram 48 Facia Panel Removal
Fixing Nuts
(3 off)
View on rear of Fascia Panel
(wires removed for clarity)
Diagram 49 Boiler Status Display PCB Removal
Plastic Spacers
(3 off)
Mounting
Studs
(3 off)
Boiler Status
Display PCB