©2017 Lennox Industries Inc.
Dallas, Texas, USA
THIS MANUAL MUST BE LEFT WITH THE OWNER
FOR FUTURE REFERENCE
Shipping and Packing List
Shipped with Product
1 - Thermostat
2 - Plastic wall anchors
2 - Screws
1 - Operation manual
Optional Accessories (not included)
Remote indoor sensor: 47W37
Wall Plate: X2659
INSTALLATION INSTRUCTION
C0STAT05FF1L CS3000
Commercial Programmable
Thermostat
CONTROLS
507517-02
6/2017
Supersedes 507517-01
C0STAT05FF1L 5/2 Day Programmable
Thermostat
The Lennox ComfortSense
®
3000 Series Commercial
Programmable Thermostat, Model C0STAT05FF1L
(11Y05) is a 5/2 day programmable and 2-heat / 2-cool
electronic thermostat. This thermostat is suitable for the
following Lennox Commercial systems:
Heat/cool systems (conventional)
Packaged heat pumps (2-20 tons)
Split heat pump systems (7-10 tons)
NOTE - Not for use with small 3-5 ton split heat pump
systems.
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