Bryant 583B, 683B ÐHumidifier Wiring for 702B & 602B, H. 702B & 602B Sequence Of Operation

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This configuration provides the following comfort enhance- ments:

(a.) A 30 sec blower on delay with 150 sec at 70 percent airflow to allow the indoor coil to warm up or cool down before the blower is asked to deliver 100 percent airflow reducing the cold blow sensation at start up in heating and allowing the indoor coil to more quickly

EASY SELECT

BOARD TERMINAL

BLOCK

J1

DH

reach wet coil operating conditions in cooling.

(b.) A no blower off delay eliminates cold blow which may be associated with running the blower after shut down of the compressor and avoids re-evaporation of con- densed moisture after cooling/dehumidifying opera-

REMOVE R JUMPER

HUMIDISTAT

A95316

tion.

(c.) Lower airflow while the compressor is running to reduce draft effects and increase heating air tempera- ture and improved humidity control during cooling operation.

ACCESSORY INSTALLATION

a.ACCESSORY ELECTRIC HEATERS

Electric heaters may be installed with the 702B & 602B units per instructions supplied with electric heater package. See unit rating plate for factory-approved electric heater kits.

b.AUXILIARY TERMINALS

The AUX and HUM terminals on the Easy Select™ Board are tied directly to the G terminal, and provide a 24-v. signal whenever the G terminal is energized (See Fig. 12). During Super dehumidify mode, the G signal is not present and the auxiliary terminals are not energized. If the installation includes the use of the operating mode, do not use these terminals to control accessories. See Electronic Air Cleaner and Humidifier sections for further information.

c.ELECTRONIC AIR CLEANER CONNECTIONS

The AUX1 and AUX2 terminals are not always energized during blower operations, as described above. When using an electronic air cleaner with the unit, use Airflow Sensor P/N KEAAC0101AAA. The airflow sensor turns on electronic air cleaner when the blower is operating.

d.HUMIDIFIER/HUMIDISTAT CONNECTIONS

Easy Select™ Board terminals HUM1 and HUM2 are provided for direct connection to the low-voltage control of a humidifier through a standard humidistat (See Fig. 12). These terminals are energized with 24-v. when G thermostat signal is present. (See Fig. 11, 12 & 13). Alternately, the 24-v. signal may be sourced from the W and C circuit board connections. When using a Thermidistat™ Control, Zone Perfect Plus or Comfort Zone II, the 24-v. signal may be sourced directly from the Thermidis- tat™ HUM terminal.

 

 

HUMIDISTAT

HUM 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(C)

24-VAC

 

 

 

TO HUMIDIFIER

 

 

 

 

 

 

 

HUM 2

 

 

 

 

 

(G)

 

 

 

HUMIDIFIER WIRING

 

 

 

 

 

 

 

 

 

A95317

Fig. 12ÐHumidifier Wiring for 702B & 602B

e.DEHUMIDIFY CAPABILITY WITH STANDARD HUMIDISTAT CONNECTION

Latent capacities for these units are better than average systems. If increased latent capacity is an application requirement, the circuit board provides connection terminals for use of a

Ð9Ð

Fig. 13ÐHumidistat Wiring for De-Humidify Mode-for

702B & 602B

standard humidistat. The unit will detect the humidistat contacts opening on increasing humidity and reduce its airflow to approximately 80 percent of nominal cooling mode airflow. This reduction will increase the system latent capacity until the humidity falls to a level which causes the humidistat to close its contacts. When the contacts close, the airflow will return to 100 percent of selected cooling airflow. To activate this mode, remove jumper J1 and wire in a standard humidistat ( See Fig. 13).

f.DEHUMIDIFY AND SUPER DEHUMIDIFY CAPABILITIES

these models are capable of responding to a signal from indoor system control (thermostat, Thermidistat™, zoning control) to operate in comfort control modes such as Super Dehumidify Mode. Consult literature provided with indoor system control to determine if these operating modes are available, and to see control set up instructions. No special setup or wiring of unit is required.

H. 702B & 602B Sequence Of Operation

a.CONTINUOUS FAN

(1.) Thermostat closes circuit R to GÐThe Blower runs at continuous fan airflow.

b.COOLING MODE-LOW HUMIDITY

(1.) If indoor temperature is above temperature set point and humidity is below humidity set point, thermostat closes circuits R to G, R to Y/Y2 and R to OÐThe unit delivers cooling airflow.

c.COOLING MODE-DEHUMIDIFICATION

(1.) If indoor temperature is above temperature set point and humidity is above humidity set point, thermostat or Ther- midistat™ closes circuits R to G, R to O, and R to Y/Y2 and humidistat or Thermidistat™ opens R to DHÐThe unit delivers airflow which is approximately 80 percent of the nominal cooling airflow to increase the latent capacity of the system.

d.COOLING MODE-SUPER DEHUMIDIFY OPERATION (see quick reference guide)

NOTE: The indoor control used, such as a Thermidistat™, must be capable of providing Super Dehumidify operation mode and control must be configured as outlined in its installation instruc- tions. Consult indoor control literature to determine if control is capable of providing Super Dehumidify inputs and for configura- tion instruction.

(1.) If the indoor temperature is below the temperature set point and the humidity is above the humidity set point, the Thermidistat™ closes circuit R to O, opens circuits R to DH and R to G, and cycles circuit R to Y/Y2. If circuit R to G is closed (24-v.), the motor will deliver airflow at the full cooling or cooling plus dehumidify mode requested

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Contents ICM FIOP INSTALLATION INSTRUCTIONS installation, start-upTABLE OF CONTENTS SAFETY CONSIDERATIONSC. Easy SelectÐ583B RECEIVING AND INSTALLATIONINTRODUCTION ICM FIOP PRE-START-UP I. ELECTRICAL CONNECTIONSFor Gas Heat/Electric Cool Unit±AC must be selected CONFIGURATION should be used when the rated ARI perforFig. 4Ð702B High- and Control-Voltage Connections Fig. 5Ð602B High- and Control-Voltage ConnectionsFig. 6ÐHumidifier Wiring-583B Fig. 7ÐHumidistat Wiring for De-Humidify Mode-583BD. 583B Sequence of Operation Fig. 8ÐDetail of SPP Printed-Circuit Board E. Easy SelectÐ683BFig. 9ÐHumidifier Wiring-683B HUM G HUMIDIFIER WIRINGFig. 10ÐThermidistat Wiring for De-Humidify Mode-683B THERMIDISTATEASY SELECT CONFIGURATION TAPS FOR 702B & 602B F. 683B Sequence of OperationFig. 11ÐDetail of SPP Printed-Circuit Board The type of system will be factory selected see below for details 1. LO speedÐFactory setting, 50 percent cooling mode airflow Ð8Ð1. AC-Air conditioner Factory Selected for 702B 3. SYSTEM TYPE-Factory selected AC 702B or HP-EFF 602BFig. 12ÐHumidifier Wiring for 702B & 602B Fig. 13ÐHumidistat Wiring for De-Humidify Mode-for 702B & 602BH. 702B & 602B Sequence Of Operation ICM General Start Up ICM FIOP START-UPI. 583B START-UP ICM FIOP II. 683B START-UP ICM FIOPIV. 602B START-UP ICM FIOP III. 702B START-UP ICM FIOP2. Thermostat Thermidistat or Thermostat and HumidistatI. PHYSICAL DATA & ELECTRICAL SCHEMATICS ELECTRICAL DATA & SCHEMATICSÐICM FIOPCARE AND MAINTENANCE TABLE 1ÐICM FIOP PHYSICAL DATAÐUNIT 583BTROUBLESHOOTING START-UP CHECKLIST TABLE 2ÐICM FIOP PHYSICAL DATAÐUNIT 583B CONTINUEDTABLE 3Ð583B WITH ICM FIOP ELECTRICAL DATA Ð14Ð Fig. 14ÐICM FIOP Electric SchematicÐUnit 583BÐ15Ð TABLE 4ÐICM FIOP PHYSICAL DATAÐUNIT 683BTABLE 5ÐICM FIOP PHYSICAL DATAÐUNIT 683B CONTINUED TABLE 6Ð683B WITH ICM FIOP ELECTRICAL DATAÐ16Ð Ð17Ð Fig. 15ÐICM FIOP Electric SchematicÐUnit 683BÐ18Ð TABLE 7ÐICM FIOP PHYSICAL DATAÐUNIT 702BÐ19Ð TABLE 8Ð702B WITH ICM FIOP ELECTRICAL DATAÐ20Ð Fig. 16ÐICM FIOP Electrical SchematicÐ702BÐ21Ð TABLE 9ÐICM FIOP PHYSICAL DATAÐUNIT 602BÐ22Ð TABLE 10Ð602B WITH ICM FIOP ELECTRICAL DATAÐ23Ð Fig. 17ÐICM FIOP Electrical SchematicÐ602BDRY COIL ICM AIRFLOW SMALL CABINET TABLE 11±583B & 683B COOLING AND HEAT PUMP HEATING-683B ONLYTABLE 12Ð583B & 683B COOLING AND HEAT PUMP HEATING-683B ONLY DRY COIL ICM AIRFLOW LARGE CABINETTABLE 15Ð583B & 683B ICM AIR FLOW VS. TEMPERATURE RISE CHART TABLE 14Ð583B & 683B GAS HEATING ICM AIRFLOW LARGE CABINETTABLE 16Ð702B/602B COOLING & HEATING DRY COIL ICM AIRFLOW SMALL CABINETLARGE CABINET TABLE 17Ð702B/602B COOLING & HEATING DRY COIL ICM AIRFLOWTABLE 18ÐMINIMUM AIRFLOW FOR RELIABLE ELECTRIC HEATER OPERATION CFM TABLE 19ÐELECTRIC HEAT PRESSURE DROP TABLE IN. WG SMALL CABINETTABLE 22ÐFILTER PRESSURE DROP TABLE IN. WG TABLE 21ÐICM FIOP WET COIL PRESSURE DROP IN. WGTABLE 23ÐELECTRIC HEATER MULTIPLICATION FACTORS Ð27ÐTABLE 24ÐTROUBLESHOOTING CHART THERMIDISTAT CONTROL SETTINGSQUICK REFERENCE GUIDE SET-UP INSTRUCTIONS FOR WARMER HEATING TEMPERATURESIV. EASY SELECT SETTINGS START-UP CHECKLIST Remove and Store in Job FileEASY SELECT I. Preliminary InformationPrinted in U.S.A Ð30Ðii583b243 Catalog No
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602B, 683B, 702B, 583B specifications

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