Lennox C0STAT05FF1L

©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.

Lennox C0STAT05FF1L Specifications

General

Brand	Lennox
Model	C0STAT05FF1L
Category	Thermostat
Language	English

Summary

Shipping and Packing List

Requirements

Installation

Removing Thermostat

Procedure to detach the thermostat body from the sub-base after installation.

Thermostat Terminals

Lists and describes the terminal designations for thermostat wiring connections.

DIP Switch Settings

Thermostat Calibration

Using DIP switches to offset or recalibrate the room temperature display.