Cannon Fitzroy FITZIB-PMEXx, Instruction Manual

Page: 19 / 24

WIRING DIAGRAM
FIG 39
SERVICE INSTRUCTIONS (DO NOT MODIFY THIS APPLIANCE)
Cannon Power Flue | 19
To Replace The Combustion Fan (FIG 38)
FIG 38a
FIG 38b
1. Disconnect the power supply to unit.
2. Remove the fascia. Refer to page 14 of the
installation manual.
3. Remove the electronic controller and ignition
module. Refer to page 17 of the installation
manual.
4. Remove the room circulation fan. Refer to page 18
of the installation manual.
5. Disconnect the flexible pipe on the combustion fan.
6. Remove the four M5 screws as shown in
.
At all times the fan assembly should be supported
from the rear.
7. Disconnect the silicone tubes from the combustion
fan pressure switch. When refitting the pressure
switch tubes, ensure they’re connected to the
appropriate teat on the combustion fan. The clear
tube fits onto the teat closest to the outlet of the
combustion fan and the black tube fits onto the
other available teat.
8. Rotate the combustion fan until the front of the fan
is parallel to the top panel, shown in .
Then remove the combustion fan making sure that
it does not hit the male thread used to secure room
circulation fan.
9. Disconnect the electrical wiring off the motor.
10.Repeat the steps above in reverse order to secure
the combustion fan.
Note: When reinstalling replacement fan, ensure it is
adequately supported from the rear until at least two of
the securing screws are in position. Do not bend or twist
the fan assembly support plate.
FIG 38
Removing Combustion Fan
REMOVE 4 SCREWS
SUPPORT
PLATE
MALE THREAD FOR ROOM CIRCULATION FAN
(a)
(b)
POWERFLUE
WIRING DIAGRAM POWERFLUE
WIRING DIAGRAM
N
N
A
L
M
H
TH2
MOD1
MOD2
BLACK
WHITE
ORANGE
GREY
PURPLE
BROWN
BLUE
RED
1.5 AMP[18]
ON/OFF
LOW BRN / LOW FAN
MED BRN / MED FAN
HIGH BRN / HIGH FAN
SHEATHED
HIGH TEMP
DATA CABLE
SWITCH
BLUE
4 W
AY
6 W
AY
3 W
AY
EARTH
RED
1 W
AY
C
ROOM FAN - F3594
240 V MAINS PLUG
MODULATING
VALVE F3590
COILS
FLAME SENSOR
SP
ARK
ELECTRODE
IGNITION MODULE
F3435
COMBUSTION
FAN - F3979
PRESSURE
SWITCH F3327
ROOM AIR FAN
NO
PRESSURE
SWITCH F4008
COMBUSTION
FAN
C
2 W
AY
4 W
AY
2 W
AY
5 W
AY
NC
NO
C
NC
RED
RED
BLUE
RED
BLUE
RED
EARTH
F3834 C
CONTROL
MODULE
F3828