Supplied By www.heating spares.co Tel. 0161 620 6677
22
INTERNAL WIRING DIAGRAMS
8
8.1
FUNCTIONAL FLOW WIRING
DIAGRAM
8.2
ILLUSTRATED WIRING DIAGRAM
7.13
COMBUSTION CHAMBER INSULATION
The design of the appliance is such that the combustion chamber
insulation should not require replacement unless mechanically
damaged. To replace the front and/or side panel insulation
proceed as follows:
a)
Remove the combustion chamber front panel as described in
section 7.9a & b.
DIRECT
CONNECTION
TO VALVE
230V RECT AC
GAS
VALVE
1st
SOENOID
2nd
SOENOID
MAINS IN
230V - 50Hz
AIR PRESSURE
SWITCH
OVERHEAT
CUT OUT
DEVICE
THERMISTOR
FAN
POTENTIOMETER
ON/OFF
SWITCH
YELLOW/RED
YELLOW/BLACK
RED/BLUE
BLUE
BLUE
BLACK
BLACK
IGNITION CONTROL
7 5 6 10 1 8
RED
BROWN/RED
N/O
C
1
N/C
BROWN
RED
WHITE
RED
WHITE
BROWN
RED/BL
UE
RED/BL
UE
BL
UE
BL
UE
PINK
ORANGE/
BLCAK
ORANGE/
BLCAK
N
N
N
N
N
11 9
AQUASTAT CONTROL
GRAVITY/
PUMPED
JUMPER
PLUG
TO PUMP
SWITCHED
LIVE SUPPLY
LIVE
BLCAK
PURPLE
2 1
FUSE
2 AMP
FAST BLOW
FAN ASSEMBLY
AIR PRESSURE
SWITCH
OVERHEAT
CUTOUT
SWITCH
FLOW
TEMPERATURE
THERMISTOR
INSTALLATION
TERMINALS
GAS VALVE
& IGNITION
CONTROL
AQUASTAT &
PUMP CONTROL
PCB
ON/OFF
TEMPERATURE
CONTROL
X8
X6
X3
X2
X1
X7
X4
X5
1
2
3
4
5
6
7
8
9
10
11
12
PINK
BROWN/RED
BLUE/RED
RED
BROWN
BLUE
GREEN/YELLOW
RED
RED
WHITE
WHITE
PINK
BROWN
BLUE
GREEN/WHITE
GREEN/YELLOW
GREEN/YELLOW
BLUE
BROWN
BLACK
PURPLE
BLUE/RED
WHITE
WHITE
RED
BLUE/RED
BROWN/RED
BLACK
BLACK
GREEN/YELLOW
2
1
N
L
ORANGE/BLACK
ORANGE/BLACK
YELLOW/BLACK
YELLOW/RED
RED/BLUE
FUSE
b)
Replace the front insulation, sliding the new piece in from
either side.
c)
Replace the side insulation, sliding the new pieces in from
the front.
d)
Re-assemble the appliance in reverse order.
Should the rear insulation need replacing, proceed as follows:
a)
Remove the fan assembly as described in section 7.12.
b)
Remove the front and rear flue baffle.
c)
Remove the three rear insulation panels and discard.
d)
Before refitting the side insulation panels, fit the rear lower
panel from the front.
e)
Insert the two upper new rear insulation panels downwards
from the top of the heat exchanger.
f)
Replace the side insulation, sliding the new pieces in from
the front.
g)
Reassemble the appliance in reverse order.
It is recommended that a protective mask is worn when
changing or handling the insulation material.
7.12
FAN ASSEMBLY
a)
Remove the combustion chamber front panel as described in
section 7.9a & b.
b)
Pull off the live, neutral and earth leads from the fan.
c)
Unscrew and remove the two screws securing the fan
assembly to the interpanel.
d)
Slide the fan assembly downwards, rotate the top forwards,
and slide the assembly up and out of the appliance.
e)
Fit a new fan assembly and reassemble the appliance in
reverse order.
