Installation Instructions

Installation Instructions
Document No. 540-1026
May 1, 2014
TEC Unit Conditioner Controller
Item No. 540-1026 Rev. AA Page 1 of 5
Generic Controller I/O Layout. See Wiring Diagram for application specific details.
Control Applications
2040 and 2041
2050 through 2054
Product Description
These instructions explain how to field install or
replace a Siemens TEC Unit Conditioner Controller.
Product Numbers
Siemens TEC Unit Conditioner
Controller
540-110N
Shipping carton includes a controller assembly, a
mounting rail, and two self-tapping/drilling screws.
CAUTION
Keep the unit in its static-proof bag
until installation.
Otherwise, you run the risk of damage
to the printed circuit board from
electrostatic discharge.
Accessories
Low cost temporary temperature
sensor, 10K thermistor with RJ11
(1” long), that enables space
control if the permanent room or
duct sensor is not installed (pack of
25).
540-658P25
Duct Temperature Sensor, NTC
100K Ω Type 2, 3" Probe for
Commissioning only
QAM1035.008P50

Summary of content (5 pages)