User guide

Compact Digital Flow Monitor, Model B3000
Page 30 March 2014
Battery Replacement (B30A/B/X/Z only)
Battery powered monitors use a single 3.6V DC “D” size, lithium battery. When replacement is necessary, use a clean fresh
battery to ensure continued trouble-free operation.
Replacement Batteries
Manufacturer Part Number
Blancett B300028
Xeno S11-0205-10-03
Tadiran TL-5930/F
Table 6: Replacement batteries
NEMA 4X Enclosure
Unscrew the four captive screws on the front panel to gain access to the battery. Press the tab on the battery connector to
release it from the circuit board. Remove the old battery and replace it with new one and then re-fasten the front panel.
OTE:N The battery is held in place with a wire-tie that will need to be cut and replaced (see Figure 30). The approval on the
product requires the wire tie.
2
1
Unscrew
Captive Screws
Freq. In
4-20mA
Iso Total Pluse
TR_B
TR_A
RS485 Gnd
Setpoint 1
Setpoint 2
Gnd
+
–
+
–
+
–
Total Reset
OC Total Pluse
Signal Gnd
+ –
KB/Display
J1
TB1
JP1
JP2
JP3
P2
Input Total Pulse Signal
P1
Mag
Pulse
Iso
OC
Low
High
Figure 30: NEMA 4X battery replacement
The solar powered variation uses a single nickle-cadmium battery and is not field replaceable.
Explosion Proof Enclosure
DANGER
REMOVE DEENERGIZE ANY EXTERNAL POWER FROM THE UNIT BEFORE REMOVING THE SCREW COVER FROM THE
ENCLOSURE. FAILURE TO DO SO CAN BE DANGEROUS. SEE FIGURE 30 AND FIGURE 31
1. Remove the screw cover from the enclosure body.
2. Remove the two thumb screws and carefully remove the circuit board assembly far enough to access the
battery connector.
3. Press the tab on the battery connector plug to release it from the battery connector socket.
4. Remove the four screws holding the battery mounting plate to the enclosure base and then remove the battery
mounting plate.