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.