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Carrier 53DFS250-SL Installation Instructions Manual page 2

Cooling only,heat cool,and heat pump

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0
o
o
the thelmostat
to the
RS+5
CKt
RS
OK2
I-0
R_od
cabN
from
lho
t_at
to th_ equipment.
COMMON
o
_
POWER
cc /_t
LO FAN
_
_
............................................................................................................................................................................
COMPRESSOR
>- _
...............................................................................................................................................................................
REVERSINGvALVE O I_t
AUX
HEAT
_: I_)
HIGH
FAN
_
I(÷}
DEFROST
_: I_
'_ ....................................................................................................................
J
3 conductor
18 gage
unsMelded
cable
from
the thermostat
to the
RS43ND
I-
Or_
8Condoctor
1_, 1_g_ th
unshieldedca
e
rorn
e
thermostat
to the
equipment.
COMMON
0
24 v POWER
Cc
LOFAN
_
COMPRESSOR
>-
AUX N EAT _:
NIGN PAN _
NOTE: For cooling only the H2 connection is not required.
A.
Turn the power on to the HVAC (heating, ventilation,
and air conditioning) system.
B.
Press the Mode button until the HEAT icon appears
on the display. Press the Up or Down buttons until
the set temperature is 10 degrees above room tem-
perature. The unit will turn on and supply heat.
C.
Press the Mode button until the COOL icon appears
on the display. Press the Up or Down buttons until
the set temperature is 10 degrees below room tem-
perature. The unit will turn on.
NOTE: Most equipment has a time delay between
cycles. This feature is defeatable on the thermostat.
See the Advanced Setup section.
D.
Press the Mode button repeatedly until OFF is dis-
played on the thermostat.
Follow the steps below to complete Advanced Setup, which
begins with Step 3. Refer to the Owner's Manual to com-
plete Setup Steps 1 and 2.
NOTE:
Each
step
number
is
MODE
Press
the Mode
button,
located
at
the
top
right
corner
of
While holdtn#
the Mode
button,
the
display
for
easy
reference.
Q
press
the Program
button
to
PROGRAM
enter
the Advanced
Setup
screens
On
Select
residential
Heat
(_
Pump,
On or Off.
OFF
Off
(_
Adjustthe
deadband
(_
frorn t to 6 degrees.
(1 to 6 F)
(_
Adjust
the minimum
_between
cooling
and heating
_
setboints,
(0 to 6 P)
J
_)
Select
the cycles
per
hour lirng.
d=cycles
per
hour
_)
limit defeated.
dl=d
+ defeat
5 rain.
Combresso_
lockout.
(d, dt,2-6)
Select
the security
level:
O=no security
in effect
t =set
point
range
limited
2=1+
program
on all times
3=2
_ prohibits
set point
changes
_)
Adjust
the maximum
allowable
heat
set point
when
security
is in effect.
(Step
8 only appears
if
Step
7 is not O)
(35 - 99 F)
Adjust
the minimum
allowable
cool set point
when
security
is in effect.
(Step
g only appears
if
Step
7 is not O)
(35 - 99 F)
Page 2

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