BWB 1 SERVICE AND REPAIR MANUAL
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BWB-1 Parts Interconnect
Gas
Adjustment
Mixing
Chamber
Burner
Nebuliser
Ignitor
Pump
Ignition
Module
110VAC
OTA
9V DC
Inverter
OTA
Cable
12V DC
Main Board
Solenoid
USB/
RS232
24V DC
15V DC
-15V DC
5V DC
12V DC
KEY
Gas
Regulator
15V PSU
12V PSU
Gas
Air
110/220VAC
Gas
In
Mains
Aspiration
High Voltage
Low Voltage
Data
Light
Copyright BWB Technologies 2008.
BWB-1 Service Manual
Page 1
Set Up
Machine
BWB-1 Fault and Repair Guide
ANSWER NO
Turn On Gas
ANSWER YES
Gas Leaking?
Gas Connections
To Regulator OK?
Faulty Gas Regulator
Replace Regulator
Turn on Machine
Replace PTFE on Gas
Fittings
Check Mains Into
Machine
Fuses OK?
Replace Fuses
Power Lamp On?
12V at 12V
PSU?
Mains into PSU OK?
Mains connections
OK?
Refit Mains
Connections.
12V PSU Faulty
Replace 12V PSU
12V PSU
Connections OK?
Lamp
Connections OK?
Replace Lamp
Connections
Replace Connections
Faulty Lamp
Replace Lamp
Fan
Connections OK?
Replace Fan
Connections
Faulty Fan
Replace Fan
USB Connected?
Disconnect USB
LCD Cable OK?
Refit LCD Cable
Faulty LCD
Replace LCD
Fan On?
LCD OK?
Page 2
Copyright BWB Technologies 2008.
Restart Machine
BWB-1 Service Manual
Page 2
Page 1
Replace LCD
LCD Backlight OK?
Faulty LCD
5V at LCD?
Refit Mains
Connections.
Replace LCD Cable
5V at
15V PSU?
Mains into PSU OK?
Faulty PSU
Faulty LCD Cable
Connections OK?
Replace Connections
Replace 15V PSU
U-Tube Light On?
U-Tube filled with
water?
U-Tube Unplugged?
U-Tube Cable/
Connections OK?
Replace Cable/
Connections
Enter Machine
Factory Options
SEE PAGE 5
Fill U-Tube with
Water
Reconnect U-Tube
U-Tube OK?
Replace U-Tube
LED Test
Faulty Mainboard
Replace Mainboard
Faulty Mainboard
Replace Mainboard
KeyMatrix Test
Keypad
Connection OK?
Faulty Keypad
Replace Keypad
Ignitor OK?
Damaged/Faulty
Ignitor
Replace Ignitor
Ignitor
Connections OK?
Refit Connections
Ignition
Connections OK?
Refit Connections
9V on
Mainboard OK?
Faulty MainBoard
Faulty Ignition
Module
Replace Ignition
Module
Turn On Flame
Ignition Spark?
Page 3
Copyright BWB Technologies 2008.
Replace MainBoard
BWB-1 Service Manual
Page 3
Page 2
Compressor ON?
Air Switch set
INT?
Switch
Connections OK?
Refit Connections
Switch Tests OK?
Faulty Switch
Replace Switch
Inverter
110V Output OK?
Faulty Pump
Is Inverter switched
ON?
Switch on Inverter
Inverter
Connections OK?
12V to
Inverter OK?
Refit Inverter
Connections
Flame ON?
Page 4
Copyright BWB Technologies 2008.
Replace Pump
Replace Mainboard
Faulty Mainboard
Gas in supply Canister?
Replace Gas Canister.
Adjusting the
Gas works?
Faulty Solenoid
Replace Solenoid
Solenoid
Connections OK?
24V at
Solenoid?
Refit Mains
Connections.
Replace 15V PSU
Refit Solenoid
Connections
15V at15V PSU?
Mains into PSU OK?
Faulty 15V PSU
Replace Connections
15V PSU
Connections OK?
Faulty Mainboard
Replace Mainboard
24V on
Mainboard?
Faulty
SetInverter
Up
Machine
Replace
Set Up
Inverter
Machine
BWB-1 Service Manual
Page 4
Page 3
Flame Goes out /
Flame Out Lamp ON?
OTA Cable OK?
Faulty OTA Cable
Replace OTA Cable
OTA Cable
Connected?
Faulty OTA
Replace OTA
Refit OTA Cable
Faulty Mainboard
Replace Mainboard
Unstable Flame?
Adjust Gas Stabilizes
Flame?
Nebuliser Clean?
Clean Nebuliser
Aspirating?
Airlock in Aspiration
Tube?
Clean out Aspiration
Tube
Faulty Nebuliser
Replace Nebuliser
Blocked Needle
Clean out Needle
Nebuliser Clean?
Clean Nebuliser
Faulty Nebuliser
Replace Nebuliser
Stable Readings
Faulty OTA
Replace OTA
Page 5
Faulty Mainboard
Replace Mainboard
Machine warmed up?
Wait for Machine
To Stabilise
Read Mode
Unstable Readings
Copyright BWB Technologies 2008.
Adjust Flame
Solves Problem?
Spray from Nebuliser
OK?
BWB-1 Service Manual
Page 5
Page 4
Communicating
with PC?
PC Set Up
Correctly?
Follow PC Set Up
Instructions
Run Calibration Tests
Cables are
Plugged in?
Refit Cable
Internal
RS232 Cable OK?
Refit RS232 Cable
Faulty RS232/USB
Board
Replace RS232/USB
Board
Faulty Mainboard
Replace Mainboard
FACTORY OPTIONS.
How to enter
Factory Options
Test Mode: Code
Displayed
Setup
Back
Show Info
Back
Enter Code
1267988
Factory Options.
Copyright BWB Technologies 2008.
BWB-1 Service Manual
Parts Removal Sequence
Lid and Front
Panel
Main Cover
Ignitor
Ignition Module
Main Board
Nebuliser
LCD Module
Fuses
Air Switch
OTA Assembly
Pump Assembly
Air and Gas
12V and 15V
PSU's
Solenoid and
Fan Assemblies
Inverter
Mixing Chamber
Copyright BWB Technologies 2008.
BWB-1 Service Manual
FUSE HOLDER
FUSE HOLDER
Step
1
2
3
4
NAME
DATE
JNG
09/18/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
1.0
A2
BWBSM0014
FILE NAME: BWBservicefuses.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
BWB Fuse removal
APPROVED
SIZE DWG NO
TITLE
DATE
BWB-1
REVISION HISTORY
DESCRIPTION
Instruction
Undo Fuse Holders
Remove Fuses from Holders
Fit new Fuses
Replace Fuse Holders
REV
B
B
A
G
H
D
C
3
4
5
2
Step
1
F
E
NAME
DATE
JNG
09/23/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
Ignitor Removal
1.0
REV
APPROVED
A2
BWBSM0013
FILE NAME: BWBserviceIgnitor.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
SIZE DWG NO
TITLE
DATE
BWB-1
REVISION HISTORY
DESCRIPTION
Instruction
Remove the 6x M4 Screws(A) from the Rear Panel(G)
Pull back the Rubber Boot (F) and undo the screw from
the Electrode of the Ignitor(C)
Remove the 2x M3 Screws(B) from the Inner Chimney(H)
Lift out the Inner Chimney(H)
Undo the Ignitor Nut(D) and remove the Ignitor(C).
Chimney Rear View.
REV
B
A
A
B
Step
1
2
3
REVISION HISTORY
DESCRIPTION
Front Panel
NAME
DATE
JNG
09/11/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
Top View Of BWB-1
REV
1.0
APPROVED
A2
BWBSM0001
FILE NAME: BWBservicelid.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
LID removal
BWB-1
DATE
SIZE DWG NO
TITLE
Instruction
Remove the screws (A) from the Lid
Remove the screws (B) from the front panel
Lower the front panel to gain access to the internals
LID
REV
Main Cover
HIGH VOLTAGE!!
12V PSU
15V PSU
PSU Earth Point
PSU Earth Point
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
NAME
DATE
JNG
09/16/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
1.0
A2
BWBSM00**
FILE NAME: BWBserviceMainCover.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
Main Cover
BWB-1
SIZE DWG NO
TITLE
Step
Instruction
1
Remove the 4 M4 Screws from the Cover
2
Lift the Cover off the Front Panel
M4x8 Cap Head Screw (x4)
Front Panel (Rear View)
REV
Main Board
LCD
Front Panel (Rear View)
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
NAME
DATE
JNG
09/16/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
M4 x 40 Pillar (x4)
REV
1.0
A2
BWBSM0002
FILE NAME: BWBserviceMainPCB.dft
SCALE:
WEIGHT:
SHEET 1 OF 3
Main PCB
BWB-1
SIZE DWG NO
TITLE
Step
Instruction
1
Remove the cables from the Main PCB
2
Remove the 4 M4x40 Pillars from the Main PCB
3
Remove the Main PCB from the Front Panel
REV
F/P LAMP
CONN 53
IGNITOR
CONN 43
FAN
CONN 52
+12V PSU
CONN 34
AIR
CONN 44
SPARE
CONN 45
GAS
CONN 51
U-TUBE
CONN 38
SERIAL
CONN 39
A3003C
BWB MAIN PCA
Main Board Connectors
Keypad
Main PCB
BWB-1
+15V PSU
CONN 50
REV
APPROVED
OTA
CONN 31
DATE
A2
BWBSM0002
1.0
FILE NAME: BWBserviceMainPCB.dft
SCALE:
WEIGHT:
SHEET 2 OF 3
SIZE DWG NO
TITLE
REVISION HISTORY
DESCRIPTION
NAME
DATE
JNG
09/16/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
Conn 44
Conn 34
Conn 50
+24V DC Output
0V DC Output
0V DC Input
+12V DC Input
+5V DC Input
-15V DC Input
0V DC Input
+15V DC Input
Ignition Switched
Ignition Switched
0V DC Output
+9V DC Output
+24V DC Output
0V DC Output
0V DC Output
+12V DC Output
+0V DC Output
+12V DC Output
Main Board Connections and Voltages.
Conn 43
Conn 51
Conn 53
Conn 52
Conn 39
Conn 39
Main PCB
BWB-1
DATE
REV
APPROVED
A2
BWBSM0002
1.0
FILE NAME: BWBserviceMainPCB.dft
SCALE:
WEIGHT:
SHEET 3 OF 3
SIZE DWG NO
TITLE
U Tube Sensor
U Tube Sensor
TX
RX
GND
+5V DC Output
Chart Output
GND
Chart Output
GND
REVISION HISTORY
DESCRIPTION
NAME
DATE
JNG
09/16/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
LCD
Main PCB
Spare Pin on LCD Cable to this End!!
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
NAME
DATE
JNG
09/16/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
1.0
A2
BWBSM0004
FILE NAME: BWBservicelLCD.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
LCD Removal
BWB-1
SIZE DWG NO
TITLE
Step
Instruction
1
Remove the LCD Cable from the LCD.
2
Remove the 4 M2.5 Nuts and washers from the LCD.
3
Remove the LCD from the Front Panel.
M2.5 Nut and
Washer (x4)
REV
Main Cover
rear view
REVISION HISTORY
DESCRIPTION
DATE
DATE
NAME
DRAWN
JNG
09/16/08
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
PSU Mounting Screws
PSU
BWB-1
A2
BWBSM0005
1.0
FILE NAME: BWBservicePSU.dft
SCALE:
WEIGHT:
SHEET 1 OF 2
SIZE DWG NO
TITLE
REV
APPROVED
Instruction
Remove the cables from the PSU
Remove the 4 M3x6 Screws from the PSU
Remove the PSU From the Main Cover
PSU Mounting Screws
Step
1
2
3
REV
To PSU Earth Point
PSU
BWB-1
DATE
REV
APPROVED
A2
BWBSM0005
1.0
FILE NAME: BWBservicePSU.dft
SCALE:
WEIGHT:
SHEET 2 OF 2
SIZE DWG NO
TITLE
REVISION HISTORY
DESCRIPTION
DATE
NAME
DRAWN
JNG
09/16/08
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
-15V DC Output
+15V DC Output
110/230VAC
+5V DC Output
0V DC Output
+12V DC Output
0V DC Output
15V PSU Connections and Voltages
To PSU Earth Point
12V PSU Connections and Voltages
110/230VAC
HIGH VOLTAGE!
110/230VAC
110/230VAC
HIGH VOLTAGE!
REV
Step
1
2
3
4
5
Operation
Remove two screws holding the Ignition Module to the Case
Move the Ignition Module away from the Case
Remove the HT Lead from the Ignition Module
Separate the Ignition module away from the Ignition Cable
Remove the Ignition Module from the Case
IGNITION MODULE
Top View Of Flame Photometer
Ignition Module removal.
PLUG to
MAIN BOARD
SOCKET to
IGNITION MODULE
HT LEAD
APPROVED
REV
UNLESS OTHERWISE SPECIFIED SIZE DWG NO
A2
BWBservice001
1.0
vice0011
1.0
DIMENSIONS ARE IN MILLIMETERS
FILE NAME: B
WBserviceIgnition.dft
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
SCALE: WEIGHT: SHEET 1 OF 1
OTA Removal
BWB-1
B-1
HIGH VOLTAGE!!
REVISION HISTOR
Y
DESCRIPTION
DATE
NAME
DATE
09/19/08
DRAWN JNG
CHECKED
TITLE
ENG APPR
MGR APPR
IGNITION MODULE
+9V
0V
SWITCHED LINE
SWITCHED LINE
REV
The +12V Into the Inverter is marked by
Red heatshrink or a "P" Cable marker.
SWITCH
0V From
Main Board.
SWITCH (REAR VIEW)
Case Top
Air Switch
BWB-1
DATE
1.0
REV
APPROVED
A2
BWBSM0010
FILE NAME: BWBserviceAirSW.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
SIZE DWG NO
TITLE
REVISION HISTORY
DESCRIPTION
NAME
DATE
Jason Garnham
09/18/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
+12V from
Main Board.
REV
4
3
6
Action
Remove the rear screw from holding the OTA to the Case.
Remove the Nyloc and washer from the retaining stud.
Remove the two screws holding the OTA Shield in place.
Remove the OTA Shield.
Unplug the OTA Cable
Remove the OTA Assembly from the case.
Top View Of Flame Photometer
OTA Assembly removal.
Step
1
2
3
4
5
6
1
2
APPROVED
REV
UNLESS OTHERWISE SPECIFIED SIZE DWG NO
A2
BWBservice001
1.0
vice0012
1.0
DIMENSIONS ARE IN MILLIMETERS
FILE NAME: B
WBserviceOTA.dft
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
SCALE: WEIGHT: SHEET 1 OF 1
OTA Removal
BWB-1
B-1
REVISION HISTOR
Y
DESCRIPTION
DATE
NAME
DATE
09/18/08
DRAWN JNG
CHECKED
TITLE
ENG APPR
MGR APPR
REV
Pump Bracket
HIGH VOLTAGE!!
X
GR
W
Pump
From
Mounting Hole
Alt Colour
Green
Black
White
Pin
GR
X
W
To
Y5141 3 Pin
US
Connector
REVISION HISTORY
DESCRIPTION
DATE
AirBarb
NAME
DATE
JNG
09/20/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
BWB Pump Assy
BWB-1
1.0
REV
APPROVED
A2
BWBSM0006
FILE NAME: BWBservicePump.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
SIZE DWG NO
TITLE
Operation
Loosen the Clamping Nyloc
Slide the Pump Bracket fowards.
Remove the Pump Connector from the Inverter
Remove the Airline from the AirBarb
Remove the 4 screws from the Pump Mounting Points
Remove the Pump from the Pump Bracket
Wire Colour
Green/Yellow
Brown
Blue
Clamping Nyloc
Step
1
2
3
4
5
6
Pump Connector
REV
A
A
A
A
Fit Pump Mounting to second
slot down on the inverter
Earth Point
Pump Mounting
Step
1
2
3
4
5
REVISION HISTORY
DESCRIPTION
DATE
NAME
DATE
JNG
09/19/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
1.0
A2
BWBserviceInverter
FILE NAME: BWBserviceInverter.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
Inverter Removal
BWB-1
APPROVED
SIZE DWG NO
TITLE
Operation
Remove the Pump Mounting from the Inverter.
Remove the earth lead from the Inverter Earth Point.
Remove the 4 screws from the Inverter (A)
Undo the Blue crimps from the Air Switch.
Remove the Inverter from the Main Case.
Inverter
REV
F
D
D
Air Flow
Direction
G
E
Inside Case.
Top View
E
A+B+C
A+B+C
H
3
4
5
6
1
2
Step
0V DC
REVISION HISTORY
DESCRIPTION
DATE
+12V DC
0V DC
NAME
DATE
JNG
09/23/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
Fan and Solenoid Removal
BWB-1
A2
BWBSM008
FILE NAME: BWBserviceFanSolenoid.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
SIZE DWG NO
TITLE
1.0
REV
APPROVED
Instruction
Fan Removal
Remove Screws (D) and Nylocs (E) from the Fan(G).
Separate the Fan Connector and remove the Fan from the Case.
Solenoid Removal
Remove Screws (A) and Washers (B+C)
Disconnect the Solenoid (H) from the Gas Regulator.
Disconnect the Internal Gas Line.
Remove the Solenoid Connector from the Solenoid.
+24V DC
Internal View of Solenoid
Connector
REV
FRONT VIEW
OF CHIMNEY
5
4
1
2
3
B
Step
REVISION HISTORY
DESCRIPTION
DATE
F
A
D
NAME
DATE
JNG
09/23/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
1.0
A2
BWBSM0015
FILE NAME: BWBserviceNebuliser.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
Nebuliser removal
BWB-1
APPROVED
SIZE DWG NO
TITLE
E
C
Instruction
Nebuliser Removal.
Remove the Gas Tube from Port (D)
Remove the Air Tube from Port (E)
Undo the Nebuliser Clamp Screw (C) and remove the Nebuliser
Mixing Chamber Removal.
Remove the Waste Tube from Port (F)
Disconnect the Mixing Chamber (B) from the Burner Mounting Ring (A) by
pulling down the retaining tabs and twisting the Mixing Chamber gently.
REV
GAS
INLET
GAS
REGULATOR
AUX
AIR
24V
SOLENOID
CHECK VALVE
ADJUSTMENT
VALVE
FILTER
AIR AND GAS FLOW DIAGRAM
FILTER
PUMP
SAMPLE
9
10
11
12
13
14
1
2
3
4
5
6
7
8
Step
REVISION HISTORY
DESCRIPTION
DATE
NEEDLE
NAME
DATE
JNG
10/14/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
1.0
A2
BWBSM0014
FILE NAME: BWBserviceAirGas.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
Air and Gas
BWB-1
APPROVED
SIZE DWG NO
TITLE
NEBULISER
Action
Gas Line Removal
Disconnect the Gas line into the machine.
Make a note of how the Gas line runs in the machine!
Disconnect the internal Gas line from the Solenoid.
Disconnect the Gas from the Nebuliser.
Unscrew the Adjustment Knob from the Gas Valve.
Undo the Nut holding the Gas Valve in place.
Unclip the Gas Filter from the clip on the inside of the case.
Remove the Gas line from the Machine.
Air Line Removal
Make a note of how the Air line runs in the machine!
Disconnect the Air line from the External Air Barb.
Disconnect the Air line from the Pump.
Disconnect the Air line from the Nebuliser.
Unclip the Air Filter from the clip on the inside of the case..
Remove the OTA Assembly from the case.
When Refitting the Gas or Air lines care should be taken to
ensure that there are no kinks in the Tubing.
REV
O
N
M
L
A
K
J
I
H
Main Board Test Points
E
F
D
C
G
B
Key
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
NAME
DATE
JNG
10/14/08
DRAWN
CHECKED
ENG APPR
MGR APPR
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN MILLIMETERS
ANGLES ±X.X°
2 PL ±X.XX 3 PL ±X.XXX
REV
1.0
A2
BWBMainBoardTP
FILE NAME: BWBMainBoardTP.dft
SCALE:
WEIGHT:
SHEET 1 OF 1
BWB-1 Main Board Test Points
APPROVED
SIZE DWG NO
TITLE
DATE
BWB-1
REVISION HISTORY
DESCRIPTION
Description
Conn 40
Conn 31
TP33 +5V DC
TP35 OTA Temp
TP36 Flame Detect
TP43 Digital Ground
TP40 +15V DC
TP32 -12V DC OTA
TP31 +12V DC OTA
TP41 0V DC Gas
TP34 U-Tube
TP39 +24V DC Gas
TP42 +5V DC
TP38 +9V DC
TP37 +12V DC
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