Honeywell RTH4300B Operating Manual page 2

CAUTION: EQUIPMENT DAMAGE HAZARD.
To prevent possible compressor damage, do not operate cooling system when outdoor
temperature is below 50°F (10°C).
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Copyright © 2006 Honeywell International Inc. All rights reserved.
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This manual covers the following model:
RTH4300B: For 1 Heat/1 Cool systems
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