Charging Technologies TOBi PI Wi-Z Quick Installation Manual Download Page 4

  
 

 

4.  Attach the strap thermistor to the strap halfway 

between the 

BROWN

 and 

ORANGE

 wires by first 

drilling a 5/32” pilot hole in the strap.  Attach the ring 
terminal of the thermistor to the strap using one of the 
provided stainless steel screws and tighten using a 
5/16” nut driver or socket. 

5.  Attach the 

BLUE

 wire to the positive post or strap of 

the 6

th

 battery cell from the negative post of the 

battery (12V) by first drilling a 5/32” pilot hole in the 
center of the inter-cell connector strap.  Attach the 
ring terminal of the lead to the strap using one of the 
provided stainless steel screws and tighten using a 
5/16” nut driver or socket. 

6.  Attach the 

RED

 wire to the positive post of the battery 

by first drilling a 5/32” pilot hole in the center of the 
post. Attach the ring terminal of the lead to the battery 
terminal using one of the provided stainless steel 
screws and tighten using a 5/16” nut driver or socket. 

7.  Drill a ½” hole in the lid of one of the cells near the 

center of the battery (refer to figure 2).  Choose a cell 
that is at least 4 cells from the negative post of the 
battery (>8V).  

Ensure the area under the cell lid is 

clear to the moss shield before drilling.  

Trim the lead 

water probe using wire cutters so that the tip will be 
approximately 1/8” above the moss shield after 
installing the probe.  Press the probe grommet into 
the hole. 

8.  Drill a ½” hole in the lid of another cell near the center 

of the battery (refer to figure 2). 

Ensure the area 

under the cell lid is clear to the moss shield before 
drilling. 

Adjust the thermistor cable in the grommet so 

that the probe will be just above the moss shield after 
installing the thermistor. 

DO NOT CUT THE 

THERMISTOR.

 Press the probe grommet into the 

hole. 

 

 

  
 

 

 

9.  Secure the Tobi to the battery, strap, or cable in a 

convenient location.  The ideal location is set between 
two inter-cell straps. Secure the Tobi tightly against 
the inter-cell straps.  Tighten using two provided cable 
ties.

 

 

10. Use the remaining cable ties to secure any loose 

wires to prevent damage.

 

 
 

Figure 2. Installation Overview 

 

 

Summary of Contents for TOBi PI Wi-Z

Page 1: ...or or battery terminals A possibility of serious electrical shock exists Never smoke use an open flame or create sparks in the vicinity of the battery Ventilate well when the battery is in an enclosed space Lead acid batteries contain sulfuric acid which is caustic and can cause chemical burns to the skin Refer to the battery manufacturer s instructions for safe handling of batteries Use proper pe...

Page 2: ...or other services will be provided by CTI CTI shall not be obligated to reimburse the original user or any other person for any work performed 3 2 Replacement and exchange parts will be warranted for the remainder of the original warranty period or for a period of thirty 30 days whichever is greater 3 3 CTI shall not be liable for direct or indirect special or consequential damages in excess of su...

Page 3: ...4 Strap Thermistor black wires with ring terminal 5 12V Post blue wire 6 Water Level Probe with lead probe and grommet at the end 7 Cell Thermistor thick black cable with black probe and grommet at the end 8 Positive Post red wire 1 Attach the BLACK wire to the negative post of the battery by first drilling a 5 32 pilot hole in the center of the post Attach the ring terminal of the lead to the bat...

Page 4: ...rill a hole in the lid of one of the cells near the center of the battery refer to figure 2 Choose a cell that is at least 4 cells from the negative post of the battery 8V Ensure the area under the cell lid is clear to the moss shield before drilling Trim the lead water probe using wire cutters so that the tip will be approximately 1 8 above the moss shield after installing the probe Press the pro...

Page 5: ...w complete You are ready to calibrate the current sensor and enter battery data into the system Please refer to the Tobi Wi Z Software User Guide for instructions on calibrating and initializing your new Tobi PI Wi Z This device complies with part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any ...

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