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Battery installation is recommended even if thermostat is hardwired (C terminal connected). When
thermostat is hardwired and batteries are installed, the thermostat will activate a compressor delay of 5
minutes when the thermostat detects a power outage from the hardwired power supply.
High quality alkaline
batteries are
recommended.
Important:
High quality alkaline batteries are recommended.
Rechargeable batteries or low quality batteries do not
guarantee a 1-year life span.
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