Installation Instructions

ManualsBrandsBryant ManualsThermostatsBryant 53DFS250-SL-BRY

Cancels: New IIK 53-1

10/1/04

MULTI-STAGE • SEVEN DAY PROGRAMMABLE

STEP #1 PREPARATION 1

STEP #2 WIRE CONNECTIONS 1

SAMPLE WIRING DIAGRAMS 2

STEP #3 TEST OPERATION 2

TROUBLESHOOTING 2

CALIBRATION 2

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.

Refer to the chart below, or the wiring diagrams that

follow for thermostat functions and corresponding

thermostat connectors.

*Only used with Heat Pump Systems.

Table of Contents

IMPORTANT:

CAUTION: DISCONNECT POWER TO THE SYS-

TEM BEFORE

INSTALLING THE THERMOSTAT.

STEP #1 PREPARATION

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:

C. Carefully unpack the thermostat. Save the screws,

bracket, and instructions.

D. Turn off the power to the system at the main fuse

panel. Most systems have a separate breaker for

disconnecting power to the indoor and outdoor

units.

STEP #2 WIRE CONNECTIONS

FUNCTION

INSTALL ON THE

NEW THERMOSTAT

CONNECTOR MARKED

Lo Fan G1

Compressor Y

Heating H2

24 v Power R

Common C

Rev. Valve O*

Hi Fan G2

Remote Sensor +5vdc RS+5

Remote Sensor Signal RS

Remote Sensor Ground RS GND

Dry Contact Switch 1 CK1

Dry Contact Switch 2 CK2

Defrost H1

Flat Blade

Screwdriver

Wire Cutter

and Stripper

Installation Instructions

DIGITAL THERMOSTAT 53DFS250-SL-BRY

Cooling Only, Heat Cool, and Heat Pump

AUTO

COOL

HEAT

LISTED

Summary of content (2 pages)

PAGE 1
Installation Instructions DIGITAL THERMOSTAT 53DFS250-SL-BRY Cooling Only, Heat Cool, and Heat Pump Cancels: New IIK 53-1 10/1/04 STEP #1 Su : AUTO A. Proper installation of the thermostat will be accomplished by following these step by step instructions. If you are unsure about any of these steps, call a qualified technician for assistance. o Am COOL HEAT PREPARATION o B. Assemble tools: Flat Blade Screwdriver MULTI-STAGE • SEVEN DAY PROGRAMMABLE Wire Cutter and Stripper C.
PAGE 2
Sample Wiring Diagrams H2 G2 3 conductor 18 gage unshielded cable from the thermostat to the remote sensor. HEAT PUMP O Y G1 H1 CK1 CK2 R C RS+5 RS RS GND RS-GND RS 8 Conductor 18 gage unshielded cable from the thermostat to the equipment. H2 G1 O AUX HEAT HIGH FAN DEFROST 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.