Honeywell CT3400 Programming And Installation Instructions

25 69-0733B—1
STEP 9 Mount The Thermostat
A.
ENGAGE TABS BETWEEN
TOP OF THERMOSTAT
AND WALLPLATE
MON HEAT ON
DAYTIME
AM
B.
PRESS
LOWER EDGE
OF CASE TO
LATCH
MON HEAT ON
DAYTIME
AM
Time
Temp
Current
Setting
Set
Present
Day Time
Hold
Temp
Run
Program
Day
Morning
Night
Daytime
Evening
Fan
On Auto Heat On Cool
C.
SWING COVER OPEN FOR
CHECKOUT AND PROGRAMMING
M5143
26 69-0733B—1
STEP 10 Check Thermostat Operation After Programming
And Installing
HEATING
Do
not check heating system operation
by jumpering thermostat terminals at the
primary control, such as the gas valve,
zone valve, oil burner control. This will
damage the thermostat.
HEAT
OFF
COOL
Move the system switch to HEAT and
the fan switch to AUTO.
Press up arrow of key until the setting is
about 10° F [6° C] above room tempera-
ture. Heating should start and the fan
should run after a short delay (immedi-
ately if fan operation switch is set in
ELEC position).
FAN
AUTO
ON
Temp
M2472

Honeywell CT3400 Specifications

General

Brand	Honeywell
Model	CT3400
Category	Thermostat
Language	English