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Installation Instructions

Document No. 540-743

September 10, 2009

 

Series 1000 Room Temperature 
Sensors, 1K 

Ω

 Platinum (375

α

) RTD 

(MBC/RBC/MEC/UC) 

 

 

 

Page 1 of 5 

Product Description 

These sensors work with the Modular Building 
Controller (MBC), Remote Building Controller (RBC), 
Modular Equipment Controller (MEC) and Unitary 
Controller (UC). The sensors detect room 
temperature using a 1K 

Ω

 Platinum (375

α

Resistance Temperature Detector (RTD). 

NOTE: 

These sensors can be mounted on electrical 
boxes, stud-type mounting brackets, or 
drywall. Obtain the necessary mounting 
hardware and follow the appropriate 
mounting procedures for the type of 
installation required. 

Product Numbers 

Table1.  Product Numbers and Descriptions. 

Sensor 

Product 

Number* 

Description 

544-760 Sensing 

only 

544-770 

Override and setpoint 

544-780 

Override, setpoint and temperature 
display 

* Product number suffixes indicate the display's 
temperature scale (where applicable) and sensor 
color: C = °C; F = °F, A = desert beige; B = white 
(e.g., 544-770

FA

 for °F, desert beige). 

Warning/Caution Notations 

WARNING 

 

Personal injury/loss of life may 
occur if a procedure is not 
performed as specified. 

CAUTION 

 

Equipment damage, or loss of 
data may occur if you do not 
follow procedure as specified. 

 

Item Number 540-743+2, Rev. DA 

 

Figure 1.  Room Temperature Sensor (Showing All 

Optional Features). 

Required Tools 

 

Phillips size 1 or 2 screwdriver 

 

1/16-inch (1.57 mm) Allen wrench, if needed 
(192-632, package of 5) 

 

Small, flat-blade screwdriver 

 Medium, 

flat-blade 

screwdriver 

 

Medium-duty electric drill 

 

3/16-inch (4.8 mm) drill bit 

 

One-inch (25 mm) hole saw 

 Small 

level 

 Tape 

measure 

 

Marker or pencil 

Expected Installation Time 

30 minutes 

Prerequisites 

 

Review these instructions before beginning. 

 

Installed: appropriate field wiring (standard 
four-conductor or six-conductor room sensor 
cables, plenum or non-plenum as required), 
within the maximum wiring run length for the 
individual field panel or equipment controller. 

NOTE: 

All wiring must comply with National 
Electric Code (NEC) and local 
regulations. 

Summary of Contents for 1000 series

Page 1: ...le where applicable and sensor color C C F F A desert beige B white e g 544 770FA for F desert beige Warning Caution Notations WARNING Personal injury loss of life may occur if a procedure is not performed as specified CAUTION Equipment damage or loss of data may occur if you do not follow procedure as specified Item Number 540 743 2 Rev DA Figure 1 Room Temperature Sensor Showing All Optional Fea...

Page 2: ... 9 cm 155 252P25 TB 238 536 666 Mounting Strap standard light switch plate field supplied to mount sensor on 2 4 electrical box 540 040 540 237 544 782 Single Adapter Base Mounting Kit 2 4 boxes all single sensor installations on walls with oversized holes paint lines etc that need to be covered and on exterior brick cement type walls Kit includes Electrical Box Adapter Plate Assembly 192 495 Adap...

Page 3: ...nting holes 3 Cut a 1 inch 25 mm center hole with a hole saw 4 If using screws to attach the sensor insert two plastic wall anchors 5 Pull about three inches 75 mm of the cable through the mounting hardware in the order shown See Figure 2 Figure 2 Drywall Mounting No Rough in Typical 6 Mount the sensor base plate on the wall noting the UP arrow on the stabilizer plate a Install either the two moun...

Page 4: ...1 Tighten the sensor front retaining screw See Figure 2 12 Terminate the other end of the wires either a at the MBC RBC module terminal block s Figure 5 or b at the appropriate UC terminal blocks Figure 6 The installation is now complete Terminating the Cable Wires NOTE 1 All connections for one sensor must be terminated in the same cabinet whether MBC RBC MEC or UC 2 Unitary Controller installati...

Page 5: ... the locator by removing the two screws and lightly rocking the locator to pull it free b Tighten the two mounting screws to the sensor base plate 2 Untie the twist tie and pull about three inches 75 mm of the sensor cable into the space CAUTION Over tightening may cause the sensor base plate to crack or bend 3 If you have a single sensor electrical box install the electrical box adapter plate See...

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