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Warnings
INSTALLER INFORMATION
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING
OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY
DAMAGE.
WARNING: OUT OF PHASE
TRANSFORMERS
On two transformer systems, the
transformers MUST be in phase.
Measure the voltage across RC
and RH. If more than 12 Volts AC is
present between RC and RH, then
the transformers are NOT in phase.
To correct this condition, reverse the
secondary low voltage connections
at either the Heating or Cooling
transformer.
To prevent electrical shock and/
or equipment damage, disconnect
electric power to system at
main circuit breaker box until
installation is complete.
FOR CALIFORNIA RESIDENTS:
WARNING:
This product contains a chemical
known to the state of California to
cause cancer and birth defects and
other reproductive harm.
18
VOLTAGE REQUIREMENTS
Do not use on circuits exceeding
specified voltage. Higher voltage will
damage control and could cause
shock or fire hazard.
Thermostat installation and all
components of the control system shall
conform to Class II circuits per the NEC
code.
CAUTION: E5 Alert
If "Call For Service" is displayed on
your Sensi thermostat, and E4 or E5
appears where the room temperature
should be displayed or the backlight
is flashing, please call our support
team immediately at 888.605.7131
ATTENTION: MERCURY NOTICE
This product does not contain mercury.
However, this product may replace
a product that contains mercury.
Mercury and products containing
mercury must not be discarded in
household trash. Refer to thermostat-
recycle.org for location to send
product containing mercury.
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