Owner’s Guide 69-1918EF-02
6
Loosen the screw underneath the thermostat and
separate the faceplate from the wallplate.
NOTE: The screw remains captive and cannot be
completely removed.
Mount the wallplate to the electrical box using the
provided screws. Insert the screws through the two
left or the two right mounting holes of the wallplate.
Reinstall the faceplate onto the wallplate and tighten
the screw underneath the thermostat.
NOTE: If there is a protective film or sticker on the
thermostat’s screen, peel it off.
Apply power to the heating system. Verify the
installation by checking that the heating system can
be turned On by raising the setpoint using the Up
button or turned Off by lowering the setpoint using the
Down button.
WARNIN G: Keep the thermostat's air vents clean and
free from obstructions.
Mounting the thermostat400-622-004-C (69-1918EF-02 Honeywell RLV4300) ENG.fm Page 6 Tuesday, September 29, 2009 3:20 PM