Ambient conditions: 32 to 86°F (0 to 30°C), <90% RH non-condensing
Floor Sensor: Thermistor, 10k NTC type, 300 V jacketed cable, 15′ long
Installation
Warning
Installation must be performed by qualified persons, in accordance with local codes, ANSI/NFPA 70 (NEC Article
424) and CEC Part 1 Section 62 where applicable. Prior to installation, please consult the local codes in order to
understand what is acceptable. To the extent this information is not consistent with local codes, the local codes
should be followed. Regardless, electrical wiring is required from a circuit breaker or other electrical circuit to the
control. It is recommended that an electrician perform these installation steps. Please be aware local codes may
require this product to be installed by an electrician.
The following cautions must be observed:
NEVER forget to install the floor sensor included with the thermostat.
NEVER put the system into full operation until the tile or flooring installer verifies all cement materials are fully cured
(typically two to four weeks after installation).
ALWAYS use copper supply conductors to the thermostat. Do not use aluminum.
ALWAYS wire all circuits as Class 1, electric light & power circuits.
ALWAYS wire all circuits with insulation rated 600V minimum.
ALWAYS mount this control to a grounded electrical box.
ALWAYS use power supply wires suitable for at least (194°F) 90°C.
ALWAYS seek help if a problem arises. If ever in doubt about the correct installation procedure to follow, or if the
product appears to be damaged, the factory must be called before proceeding with the installation.
Warning
To prevent the risk of personal injury and/or death, make sure power is not applied to the product until it is
fully installed and ready for final testing. All work must be done with power turned off to the circuit being worked on.
To reduce the risk of electric shock, do not connect to a circuit operating at more than 150 V to ground.
Power Supply
Pull power supply wiring to the control location.
Leave about 6 to 8″ (15 to 20 cm) of wire for connections.
This wiring should be size 12 or 14 AWG, in compliance with local code requirements.
A qualified person should run a dedicated circuit from the main circuit breaker panel to the control location. If a
dedicated circuit is not possible, it is acceptable to tap into an existing circuit. However, there must be enough
capacity to handle the load (amps) of the floor heating system being installed, and any appliance likely to be
used on the circuit such as a hair dryer or vacuum cleaner.
Avoid circuits that have ballasted lighting, motors, exhaust fans, or hot tub pumps to reduce the likelihood of
interference.
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