Electrical Ratings
Terminal
W Heating
W2 (Aux) Heating
E Emergency Heat
Y Compressor Stage 1
Y2 Compressor Stage 2
G Fan
O/B Changeover
L/A Input
NOTE: Not for use with 250, 500, or 750 MV systems.
Apple® HomeKit™ Setup Code
The T9 Pro Smart supports Apple HomeKit. When prompted by the Honeywell Home
app, scan the code on the back cover of the guide included with your T9 Smart
thermostat.
www.resideo.com
©2019 Resideo Technologies, Inc.
This product is manufactured by Resideo Technologies, Inc., Golden
Valley, MN, 1-800-633-3991.
The Honeywell Home trademark is used under license from Honeywell
International Inc. All rights reserved.
33-00421ES—03 M.S. Rev. 12-19
Printed in U.S.A.
Voltage
Running
(50/60Hz)
Current
20-30 Vac
0.02-1.0 A
20-30 Vac
0.02-1.0 A
20-30 Vac
0.02-0.5 A
20-30 Vac
0.02-1.0 A
20-30 Vac
0.02-1.0 A
20-30 Vac
0.02-0.5 A
20-30 Vac
0.02-0.5 A
20-30 Vac
0.02-0.5 A
Resideo Inc., 1985 Douglas Drive North
Golden Valley, MN 55422
33-00421ES-03