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Programming & Operation
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CAUTION: EQUIPMENT DAMAGE HAZARD
operate cooling system when outdoor temperature is below 50˚F (10˚C).
This thermostat contains a Lithium battery which may contain Perchlorate material.
Special handling may be required. See www.dtsc.ca.gov/hazardouswaste/perchlorate.
Appendices
. To prevent possible compressor damage, do not
1
Prestige
THX9321/THX9421 Thermostat
®
69-2493EFS-01