Honeywell CTSOA Installation Instructions Manual page 3

I H t H M W 3 l A I
PERFORMANCE CHECK
I
On the CT51A. the system switch controls as follows:
HEAT-heating system only operates.
OFF-heating and cooling systems are disconnected.
COoL-woling system only operates.
AUTO-fan on when heating or cooling system operates.
ON-fan operates continuously.
The fan switch controls as follows:
NOTE: In the following instruction, disregard coonng directions if not applicable
10
your
system.
I
R
er to the heatinglcooling system.
To observe: Place the system switch at HEAT position and
fan
switch at AUTO.
Move the temperature setting lever to
10"
F
(6"
C) above room temperature. The
rnace should turn on. A short warm-up period may
be
required before the system fan
Place system switch at COOL position and move temperature setting lever
10"
F
0
On.
(6'
C) below room temperature. The cooling equipment should turn on and the
system fan should turn on.
NOTE: Some systems have a time delay that can prevent operation up
to
30 seconds.
Turn the fan switch
to
ON. The system fan should turn on, and operate continu-
0
ously. The fan should continue to operate at any system switch or thermostat
setting.
Your Honeywell thermostat requires
little or
no attention.
Most
problems
can
generally be
traced to the
following:
TOM-No
heal
.EM CORRECTIVE ACTION
Blown fuse
o r
tripped circuit breaker.
. .
Furnace power switch is turned OFF.
No pilot flame.
Improper connections
to
thermostat.
Replace fuse or reset circuit breaker.
Switch
to
ON.
Relight pilot flame per furnace
manufacturer's instructions.
With Power
to
furnace OFF, tighten all
mounting and terminal screws. Repair
broken wires.
Defective thermostat. (Here's how you
tell. Turn
power
to
furnace OFF. Then
remove the thermostat from the wall.
Disconnect one wire from the back of
the thermostat. Turn power
to
We
furnace
ON.
Touch loose wire t o wire
still connected. The thermostat is
defective if the burner comes on.)
SYMPTOM-Furnace turns an and
off
Burneron period is
tw
short.
Exchange the thermostat
(See
warranty).
m-
Adjust the heat anticipator lever
CLOCKWISE n o n e scale mark. Wait at
'
least several hours to stabilize.
SYMPTOM-Major swings in temperature tareater than
l o C
when temperature
-
.-
stable).
Burneron period is
too
long. Adjust the heat anticipator lever COUNTER-
CLOCKWISE
f i
one scale mark. Wait
several hours for the system to stabilize.
Recheck the thermostat position on wall. Use
a level to make sure it is level. See step
#3.
Call furnace technician
to
change the location.
The thermostat should be about 5
ft.
[I
.5 m]
above the floor and on inside wall.
Call furnace technician.
Move switch
to
COOL position.
Rep1
Move switch
to
ON position.
With power to furnace OFF, tighten all
mounting and terminal screws. Repair
broken wires.
SYMPTOM-Thermostat selling and thermostat reading disagree
Thermostat is not level.
Thermostat affected by drafts or
radiant heat.
Thermostat is out
of
calibration.
SYMPTOM-No Cooling
System switch in OFF or HEAT
position.
Blown fuse or tripjed circuit breaker.
Condenser switch
(located
outdoors)
is turned OFF.
Improper connections
to
thermostat.
fuse of reset circuit breaker.
Defective thermostat. (Here's how you
tell: Turn power
to
cooling system
OFF. Then remove the thermostat
from wall. Disconnect wire from Y ter-
minal. Turn power to cooling system
ON. Touch Y wire to terminal
R.
The
thermostat
is defective if the compres-
sor starts. Some systems have a time
delay, so allow at least 2-3 minutes.)
Other.
Exchange the thermostat (see warranty).
Contact service technician for assistance.