©
2023 Lennox Industries Inc.
Dallas, Texas, USA
M0STAT120L-1 Indoor
Wired Non-Programmable
Controller
CONTROLS
508331-01 6/2023
Table of Contents
General ................................................... 2
Requirements ......................................... 2
Shipping and Packing List ...................... 2
Product Overview ................................... 3
Product Dimensions ............................... 3
Back Plate Removal ............................... 3
Installing Back Plate on Drywall ............. 4
Making Connections ............................... 4
Wiring Diagram ..................................... 4
Cable Connection Illustration................ 4
Reattached the Top Panel ...................... 5
User Information ..................................... 5
Display Indicators ................................... 7
THIS MANUAL MUST BE LEFT WITH THE
OWNER FOR FUTURE REFERENCE
WARNING
Improper installation, adjustment, alteration,
ser vice or maintenance can cause property
damage, personal injury or loss of life.
Installation and service must be performed
by a li censed professional HVAC installer (or
equivalent) or a service agency.
INSTALLATION AND USER
INFORMATION GUIDE
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