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Honeywell CT3650 User Manual

Honeywell CT3650
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19 69-12852
IF YOU HAVE A PROBLEM
Table 4. Solution Guide.
If... Then…
Displa
does not appear.
Make sure the batteries are installed correctl
y
.
Make sure the thermostat is mounted and latched on the wall plate.
Mount and latch the thermostat on the wallplate if it is not.
Temperature settin
s will not chan
e
(example; cannot set the heatin
hi
her
or the coolin
lower).
Make sure the temperature setpoints are:
40 to 90°F (4.5 to 32°C) for heatin
g
.
45 to 99°F (7 to 37°C) for coolin
g
.
Heatin
does not come on.
Make sure the heatin
g
setpoint is above the room temperature.
Make sure the circuit breaker is not tripped, and reset it if necessar
y
.
Make sure the power switch at the equipment is in the On position, and
set it to On if it is in the Off position.
Wait five minutes for the s
y
stem to respond.
Set the s
y
stem ke
y
to Heat.
Coolin
does not come on.
Make sure the coolin
g
setpoint is below the room temperature.
Make sure the circuit breaker is not tripped, and reset it if necessar
y
.
Make sure the s
y
stem switch at the air conditioner is in the On position,
and set it to On if it is in the Off position.
Wait five minutes for the s
y
stem to respond.
Set the s
y
stem ke
y
to Cool.
S
stem on indicator( = heat, =
cool) is lit, but no warm or cool air is
comin
from the re
isters.
Wait five minutes after seein
g
the flame or snowflake and check the
re
g
isters a
g
ain. If no there is no hot or cool air comin
g
from the re
g
isters,
refer to Heatin
g
does not come on or Coolin
g
does not come on. If all of this
has been checked, contact
y
our local heatin
g
and coolin
g
contractor.
Displa
flashes durin
pro
rammin
. The temperature settin
g
limit has been reached. The heatin
g
settin
g
ran
g
e
is 40°F to 90°F (4.5°C to 32°C). The coolin
g
settin
g
ran
g
e is 45°F to 99°F
(7°C to 37°C).
Temperature chan
e occurs at the
wron
times.
1.
Check the pro
g
ram times for the period in question.
2.
Make sure the AM and PM settin
g
s are correct.
3.
Make sure the current time and da
y
settin
g
s are correct.
4.
Repro
g
ram an
y
incorrect settin
g
s.
NOTE: If
y
our thermostat is set for Smart Response control, the start
times occur before
y
our pro
g
rammed comfort periods.

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Honeywell CT3650 Specifications

General IconGeneral
BrandHoneywell
ModelCT3650
CategoryThermostat
LanguageEnglish

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