This manual provides instructions for installing these service kit parts for the B3000
explosion-proof flow monitor:
• B300-103 Explosion-Proof CPU for Basic B3000 flow monitors
• B300-104 Explosion-Proof CPU for Advanced B3000 flow monitors
• B300-106 Explosion-Proof Display PCB
MPORTANTI
• Any board must be replaced with an equivalent certified replacement part. You must
contact Badger Meter for an appropriate replacement part.
• Repairs are only allowed to be carried out by the manufacturer or an authorized
Badger Meter agent.
• Must be aware of proper ESD procedures and protocols. Any work must be done in an ESD
approved environment.
• For any questions on installation, service replacements and other repairs contact
Badger Meter.
OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATICSENSITIVE DEVICES.
UNPACKING AND INSPECTION
Upon opening the shipping container, visually inspect the product and applicable
accessories for any physical damage such as scratches, loose or broken parts, or any other
sign of damage that may have occurred during shipment�
OTE:NIf damage is found, request an inspection by the carrier’s agent within 48 hours of
delivery and file a claim with the carrier� A claim for equipment damage in transit
is the sole responsibility of the purchaser�
SAFETY
EXPLOSION HAZARD SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR
CLASS I, DIVISION 2.
AVERTISSMENT
RISQUE D’EXPLOSION LA SUBSTITUTION DE COMPOSANTS PEUT RENDRE
CEMATÉRIEL INACCCEPTABLE POUR LES EMPLACEMENTS DE CLASSE I, DIVISION 2.
DO NOT CONNECT OR DISCONNECT EITHER POWER OR OUTPUTS UNLESS THE AREA IS
KNOWN TO BE NONHAZARDOUS.
AVERTISSMENT
RISQUE D’EXPLOSION. NE PAS DÉBRANCHER TANT QUE LE CIRCUIT EST SOUSTENSION,
À MOINS QU’LL NE S’AGISSE D’UN EMPLACEMENT NON DANGEREUX.
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Service Kit Parts Installation
Electrical Symbols
Function
Direct
Current
Alternating
Current
Earth
(Ground)
Protective
Ground
Chassis Ground
Symbol
SERVICE KIT PARTS INSTALLATION
DANGER
REMOVE DEENERGIZE ANY EXTERNAL POWER FROM THE UNIT BEFORE REMOVING
THE SCREW COVER FROM THE ENCLOSURE. FAILURE TO DO SO CAN BE DANGEROUS.
Replacing the CPU Board
Service Kit Number B300-103 for the Explosion-Proof basic monitor contains:
• One programmed, explosion-proof CPU PCB, PN B300014-T
This procedure applies to both Basic and Advanced Explosion-Proof B3000 models�
1� Grasp the enclosure cover and turn it counter-clockwise until it separates from the
enclosure body� Set the cover aside�
2� Loosen the two thumb screws and slightly turn the circuit board assembly far enough
to access the battery connector�
Thumb Screws
Menu
Enter
S1
S4
3.6 VOLTS
1
2
COM
1
2
COM
TADRANLITHIUMINORGANICBATTORY
12
S3UpS2
+
1
Down
J1
Page 4 June 2018DSY-UM-02582-EN-04
Total Flow
Reset Key
Service Kit Parts Installation
3� Press the tab on the battery connector plug to release it from the P2 battery
connector socket�
4� Record the locations of all wiring connected to the CPU board�
5� Remove all wiring from the CPU board�
6� Remove the 4 screws holding the CPU board�
7� Pull the CPU board straight up to unhook the J1 terminal block from the pins of the
display board P1 connector�
8� Align the new CPU board J1 terminal block with the pins of the display board P1
connector� Gently press the boards together making sure not to bend the pins� Align
the screw holes in the housing with the screw holes of new CPU board�
9� Secure the new CPU board with 4 screws�
10� Attach the battery connector plug to the P2 battery connector socket on the new
CPU board�
11� Connect the wiring to the new CPU board�
12� Screw on the enclosure cover�
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Service Kit Parts Installation
Replacing the Display Board
Service Kit Number B300-106 for the Explosion-Proof display contains:
1� Grasp the enclosure cover and turn it counter-clockwise until it separates from the
enclosure body� Set the cover aside�
2� Remove the TOTAL FLOW RESET key from the display housing by pulling it straight out�
Set it aside�
Thumb Screws
Menu
TADRANLITHIUMINORGANICBATTORY
S1
12
S3UpS2
Enter
S4
3.6 VOLTS
1
2
COM
1
2
COM
+
1
Down
J1
Total Flow
Reset Key
3� Loosen the two thumb screws and slightly turn the circuit board assembly far enough
to access the battery connector�
4� Press the tab on the battery connector plug to release it from the P2 battery
connector socket�
5� Remove the 4 screws holding the CPU board�
Page 6 June 2018DSY-UM-02582-EN-04
Service Kit Parts Installation
6� Pull the CPU board straight up to unhook the J1 terminal block from the pins of the
display board P1 connector� Set it aside�
7� Remove the 5 screws holding the display board�
8� Lift out the display board and discard it�
9� Place the new display board in the holder and attach it with 5 screws�
10� Align the CPU board J1 terminal block with the pins of the new display board P1
connector� Gently press the boards together making sure not to bend the pins� Align
the screw holes in the housing with the screw holes of CPU board�
11� Secure the CPU board with 4 screws�
12� Attach the battery connector plug to the P2 battery connector socket on the CPU board�
13� Re-install the TOTAL FLOW RESET you removed in Step 2� Insert it through the display
housing and into the reset key connector of display board� Orient the at side of the key
toward the display to align it with the square side of the reset key cutout in the cover
plate� Do not push the reset button in too far� The button works best when it touches
the enclosure cover glass, so leaving it up slightly allows it to contact the glass and be
seated as the cover is screwed on�
14� Screw on the enclosure cover�
Menu
S1
TADRANLITHIUMINORGANICBATTORY
12
S3UpS2
Enter
S4
3.6 VOLTS
1
2
COM
1
2
COM
+
1
DownDown
J1J1
Reset Key
Connector
Page 7 June 2018DSY-UM-02582-EN-04
Service Kits for B3000 Basic and Advanced Explosion-Proof Monitors
Testing the Display Buttons
Top Buttons
MENU Button
1
2
COM
Bottom Buttons
1� Press both of the bottom buttons at the same time� If these two buttons are working
properly, the screen displays setup information�
2� Press both of the top buttons at the same time� If these two buttons are working
properly, the screen displays a total reset�
3� Press the MENU button on the top left twice to reset the PCB to display
battery full charge:
◊ The first time you press MENU, the display shows “FLUID”�
◊ The second time you press MENU, the display shows “SAVING”, then goes blank
for a couple of seconds�
4� Screw the enclosure cover onto the enclosure bottom until it seats tightly� Do not
tighten the enclosure set screw�
5� Wait at least 90 seconds after installing the enclosure cover, then place your finger on
enclosure glass over the TOTAL FLOW RESET button� The battery charge indicator
outline flashes off and on when button is activated, even if the parameter is disabled�