Installation - Honeywell AQ25A Series Technical Reference Booklet

Installation

1. Remove the faceplate from the base by unscrewing the screw underneath the ther-
mostat and tilting the bottom of the faceplate up. Note that the screw remains cap-
tive on the base.
2. Insert the wires through the center hole of the base and secure the base to the wall
or onto an electrical box.
3. Connect the wires to the terminals (no polarity to observe).
Terminal
1 TH
2 TH
3 SENSOR
4 SENSOR
4. Set the configuration switches (see next page).
5. Re-attach the faceplate to the base and secure with the captive screw.
NOTE: Keep the thermostat's air vents clean and unobstructed at all times.
AQ2000 Series hydronic zoning controller connections
External sensor connections for floor temperature
measurement (required only if the thermostat is set to F
or AF mode; see pages 1 and 8)
7
Description
69-2005EF