Braeburn 3220 Installer Guide - Manual (Page 7)

INSTRUCTIONS
7 Installer Guide
NOTE: This thermostat ships configured as a 1H/1C conventional
thermostat. Confirm installer settings. See page 9.
UP UP
4 Attach Thermostat to Sub-Base
3) Insert Quick Reference Card into slot
on top of thermostat.
1) Line up the thermostat body with the sub-base.
2) Carefully push the thermostat body against the
sub-base until it snaps in place.