Bryant 53DFS250-SL-BRY Installation Instructions

:
Am
Su
AUTO
MULTI-STAGE • SEVEN DAY PROGRAMMABLE
Table of Contents
STEP #1 PREPARATION
STEP #2 WIRE CONNECTIONS
SAMPLE WIRING DIAGRAMS
STEP #3 TEST OPERATION
TROUBLESHOOTING
CALIBRATION
IMPORTANT: F o l l o w
I n s t a l l a t i o n I n s t r u c t i o n s
CAUTION: DISCONNECT POWER TO THE SYS-
TEM BEFORE INSTALLING THE THERMOSTAT.
This device complies with Part 15 of the FCC rules. Opera-
tion is subject to the following 2 conditions: (1) This device
may not cause harmful interference, and (2) This device
must accept any interference received, including interfer-
ence that may cause undesired operation.
LISTED
Installation Instructions
DIGITAL THERMOSTAT 53DFS250-SL-BRY
Cooling Only, Heat Cool, and Heat Pump
o
COOL
HEAT
o
c a r e f u l l y .
Cancels: New
STEP #1
A. Proper installation of the thermostat will be ac-
complished by following these step by step in-
structions. If you are unsure about any of these
steps, call a qualified technician for assistance.
B. Assemble tools:
Flat Blade
Screwdriver
C. Carefully unpack the thermostat. Save the screws,
bracket, and instructions.
1
D. Turn off the power to the system at the main fuse
1
panel. Most systems have a separate breaker for
disconnecting power to the indoor and outdoor
2
units.
2
2
STEP #2
2
Refer to the chart below, or the wiring diagrams that
follow for thermostat functions and corresponding
thermostat connectors.
FUNCTION
Lo Fan
Compressor
Heating
24 v Power
Common
Rev. Valve
Hi Fan
Remote Sensor +5vdc
Remote Sensor Signal
Remote Sensor Ground
Dry Contact Switch 1
Dry Contact Switch 2
Defrost
*Only used with Heat Pump Systems.
PREPARATION
Wire Cutter
and Stripper
WIRE CONNECTIONS
INSTALL ON THE
NEW THERMOSTAT
CONNECTOR MARKED
G1
Y
H2
R
C
O*
G2
RS+5
RS
RS GND
CK1
CK2
H1
IIK 53-1
10/1/04