G
Ge
ettttiin
ng
g sstta
arrtte
ed
d
Installation tips................................2
Pre-installation checklist ................3
O
Olld
d tth
he
errm
mo
osstta
att rre
em
mo
ov
va
all
Remove old thermostat ..................5
Identify and label wires ..................6
N
Ne
ew
w tth
he
errm
mo
osstta
att iin
nsstta
alllla
attiio
on
n
Wallplate mounting ........................9
Wire connections ..........................12
Battery installation ........................14
Thermostat mounting ..................15
S
Sy
ysstte
em
m sse
ettu
up
p
How to change settings ................16
Set system type ............................17
Set changeover valve ....................18
Set heating fan control ..................19
Set heating cycle rate ....................20
Set temperature display ....................21
A
Ap
pp
pe
en
nd
diic
ce
ess
In case of difficulty ......................22
Customer assistance......................25
Replacement parts ........................25
Limited 1-year warranty ................26
RTH6300B Programmable Thermostat
1
Table of contents
® U.S. Registered Trademark. Patents pending.
Copyright © 2005 Honeywell International Inc. All rights reserved.
Need Help?
For assistance with this product please visit
www.honeywell.com/yourhome
or call Honeywell Customer Care toll-free at
1-800-468-1502
Read and save these instructions
MERCURY NOTICE:
Do not place your old thermostat in the trash if it contains
mercury in a sealed tube. Contact your local waste management authority for
instructions regarding recycling and proper disposal.