Dimplex CONNEX CST-240 User Manual
CONNEX™ Smart Thermostat
CST-240
7215100100 R00
CST-240 2 www.dimplex.com
Table of Contents
Welcome ............................................................................ 3
Features ............................................................................ 4
Specications .................................................................... 4
Selecting the Heater Type ................................................. 5
Installation ......................................................................... 6
Control Panel (User Interface) ........................................... 8
Operation ......................................................................... 12
Limited Warranty .............................................................14
SAVE THESE INSTRUCTIONS
IMPORTANT SAFETY INFORMATION: Always read this manual rst
before attempting to install or use this device. For your safety, always comply
with all warning and safety instructions contained in this manual to prevent
personal injury or property damage.
To view the full line of Dimplex products, please visit www.dimplex.com
CST-240 3 www.dimplex.com
Welcome
Thank you for choosing to purchase a CONNEX™ Smart
Thermostat from Dimplex. The CST-240 is an easy to
install and easy to use unit that works with any convection
or fan forced heater. It provides precise temperature
control and will lower your energy costs by up to 10%
versus a mechanical thermostat.
Please carefully read and save these instructions.
NO NEED TO RETURN TO THE STORE
Questions with operation or assembly? Require Parts Information?
Product Under Manufacturer’s Warranty?
Contact us at: www.dimplex.com/customer_support
For Troubleshooting and Technical Support
OR Toll-Free 1-888-DIMPLEX (1-888-346-7539)
Monday to Friday 8:00 a.m. to 4:30 p.m. EST
In order to better serve you, please have your model and serial numbers
ready or register your product online before calling (see above).
CST-240 4 www.dimplex.com
FCC Compliance
CAUTION: This unit has been tested and found to comply with the limits for Class
B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This unit
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio or television
reception, which can be determined by turning the unit OFF and ON, the user is encouraged
to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the unit and the receiver.
• Connect the unit into an outlet on a circuit different from the receiver.
• Consult the dealer or an experienced radio/TV technician for help.
This unit complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This unit may not cause harmful interference, and (2) this unit must accept
any interference received, including interference that may cause undesired operation.
FCC CAUTION: Any changes or modications not expressly approved by the
party responsible for compliance could void the user’s authority to operate this equipment.
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is
subject to the following two conditions: (1) this device may not cause interference, and (2)
this device must accept any interference, including interference that may cause undesired
operation of the device.
IMPORTANT NOTE: This equipment complies with RF exposure limits set forth for an
uncontrolled environment.This equipment shall be installed and operated with a minimum
separation distance of 7.87 in (20 cm) between the transmitter’s radiating structure(s) and
the body of the user or nearby persons.
CST-240 5 www.dimplex.com
Features
The CONNEX™ Smart Thermostat CST-240 works with all new
and existing electric heaters without built-in thermostats. It works
with new and old heaters, either fan-forced or convection.
The CST-240 changes your heater into a smart heater. It makes
any heater work with optional CONNEX™ controllers to provide
wireless and WIFI connectivity.
speciFications
Dimensions: 4-4/8” W x 5-1/8” H x 1-1/2” D
(11.7cm W x 13.0cm H x 3.6cm D)
Weight: 0.5lb (0.23kg)
Electrical: 240V, 4000W, ~60Hz, copper conductor only
Device Type: Line voltage room thermostat, Type 1 Action
Functional Temperatures: -20° C (-4° F) to 80° C (176° F)
Operating Termperatures: 5° C (41° F) to 30° C (86° F)
selecting the heating type
The CST-240 is capable of controlling both convection and fan
forced heaters. The thermostat has been optimized for each type
of heater but is factory pre-set for convection.
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