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BAPI-Stat “Quantum Slim” Wireless Room 

Temperature Transmitter

Building Automation Products, Inc., 750 North Royal Avenue, Gays Mills, WI  54631 USA

Tel:+1-608-735-4800 • Fax+1-608-735-4804 • E-mail:[email protected] • Web:www.bapihvac.com

Specifications subject to change without notice.

2 of 4

 Installation & Operations

39907_ins_wireless_QuantumSlim

rev. 02/07/18

Initial Activation

Fig. 6: 

Cover 

removed from 

base plate on 

battery power 

unit

Fig. 7:  

Battery 

insulator tab 

removal

1.  Place the base plate against the wall where you want to mount the 

sensor and mark the two mounting holes.

2.  Drill two 3/16” holes in the center of each marked mounting hole. Insert 

a drywall anchor into each hole.

3.  Secure the base to the drywall anchors using the #6 x 1 inch mounting 

screws provided.

4.  Attach Cover by latching it to the top of the base, rotating the cover 

down and snapping it into place. Secure the cover by backing out the 

lock-down screws using a 1/16” Allen wrench until they are flush with the 

bottom of the cover.

5.  For units with an internal sensor the mounting process is complete.
6.  For remote sensors, string the wire through the freezer door and place 

the sensor in the best location to measure the required temperature. 

7.  Mount the External Probe using a Flexible Probe Bracket (Fig. 4) or use 

the clip or screw hole on the Hanging Bracket Sensor (Fig. 5)

Fig. 3:

 BAPI-Stat “Quantum Slim” Mounting

Drywall Mounting

Fig. 4: 

External Probe Mounting with a 

Flexible Probe Bracket (BA/FPB) 

Fig. 5: 

External 

Hanging Bracket 

Sensor Mounting

1. 

Cover Removal:

 Remove the cover from the base 

plate by turning in the cover lockdown screw with 

a 1/16” Allen wrench (as described in the Mounting 

Section) until the cover can be removed (Fig 6).

2. 

Battery Tab Insulator Removal for Battery Power 

Units:

 If the unit is ordered with battery power, it will 

come with two pre-installed batteries. To activate 

the unit, find the battery tab insulators and pull 

them out (Fig. 7). The unit will begin transmitting at 

approximately 5 minute intervals.  

3. 

Applying Power to Wired Units:

 If the unit is 

ordered with wired power, it will have a power 

terminal block near the top center of the unit. To 

activate the unit, apply 9 to 30 VDC (50 mA max) 

or 15 to 28 VAC (50 mA max) (Fig. 9). The unit will 

begin transmitting at approximately 5 minute intervals 

after power is applied.  

4. 

Cover Replacement:

 Attach Cover by latching it 

to the top of the base, rotating the cover down and 

snapping it into place. Secure the cover by backing 

out the lock-down screws using a 1/16” Allen wrench 

until they are flush with the bottom of the cover.

Fig. 9: 

Power 

applied to 

terminal block

Fig. 8: 

Cover 

removed from 

base plate on 

battery power 

unit

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