Service Kit Parts Installation
Page 4 June 2018DSY-UM-02582-EN-04
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
• Four screws, Phillips tri-shank, #4-20 × 1/4, zinc/steel, PN B300113
Service Kit Number B300-104 for the Explosion-Proof advanced monitor contains:
• One programmed, explosion-proof CPU PCB, PN B300017-T
• Four screws, Phillips tri-shank, #4-20 × 1/4, zinc/steel, PN B300113
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�
3.6 VOLTS
+
TADRAN
LITHIUM
INORGANIC
BATTORY
J1
S1
Menu
S4
Enter
S3
Up
S2
Down
COM
1
2
12
1
Thumb Screws
COM
1
2
Total Flow
Reset Key