Honeywell AC-140-7, AC-220-7 manual Wiring for four-stage control 24 Vac input 24 Vac load

Page 15

WIRING APPLICATIONS (EXAMPLES)

T775A/B/M SERIES 2000 CONTROLLER

SENSOR A

T

T

L1

(HOT)

24 VAC

L2

C +

T

T

C +

SENSOR A

120V

COM

1

LOAD

4COM

NO

LOAD NO

1COM

LOAD COM

2NO

COM

LOAD

NC

C

NO

NO

C

NC

NC

C

NO

NO

C

NC

COM

NC

C

NO

NO

 

NO

NO

COM C

NC

LOAD 4

NC

120 COM 240

NO

C

 

 

NO

 

C

 

NC

LOAD 1

LOAD

3

LOAD

2

3

NO

M24476A

Fig. 9. Wiring for four-stage control – 24 Vac input

and 24 Vac load.

SENSOR A

T

T

1 FOR 240 VAC LOAD, CONNECT TO 240 TERMINAL.

M24478A

Fig. 11. Wiring for four-stage control with 120 or 240

Vac (120 Vac input and 120 Vac load shown).

120/240 VAC LINE

1

 

2

DEVICE

NO

NO

NO

 

COM

OPEN

C

C

NC

NC

 

COM

 

 

 

BARCODE

 

 

CLOSE

 

 

 

 

 

COM

 

 

 

NO

 

1CLOSE RELAY TO DRIVE DEVICE OPEN. RELAY 1 SHOWN. (RELAYS 1 AND 3 ARE USED FOR OPEN).

C +

NO

NO

COM

C

NC

1

120 COM 240

NO

C NO

NC COM

120V COM

L1 (HOT)

POWER SUPPLY

L2

LOAD 2

LOAD 1

2CLOSE RELAY TO DRIVE DEVICE CLOSED. RELAY 2 SHOWN. (RELAYS 2 AND 4 ARE USED FOR CLOSE).

THE RELAYS MUST BE WIRED IN PAIRS WITH RELAYS 1 AND 2

BEING THE FIRST PAIR, AND RELAYS 3 AND 4 BEING THE SECOND PAIR.

M24479

Fig. 12. Wiring for floating output (Relay 1 and Relay 2

pair shown).

1

FOR 240 VAC LOAD, CONNECT TO 240 TERMINAL.

M24477A

 

 

Fig. 10. Wiring for two-stage control with 120 or 240

Vac (120 Vac input and 120 Vac load shown).

7

62-0254–03

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Contents Section Introduction FP-4 Freeze Protection KITSection InstallationInstalling the Conduit Control BOX Component Layout and Wiring Diagram Section InstallationOperation Setting the ControllerTroubleshooting Procedures Section TroubleshootingReplacement Parts Section Replacement PartsPER VAN AIR Terms and Conditions of Sale Section WarrantyProduct Description Temperature Sensorsa Controller DimensionsAccessories Mounting Before InstallationInstallation and Setup WiringMultiple Parallel Sensors Wiring Connections AccessTemperature Sensor Wiring Temperature Sensor Wire Type and SizeController Wiring Method Controller WiringConnection Terminal Label Description Sensors Wiring Applications ExamplesController Wiring Details Description of Wiring Terminal Connections Terminal LabelWiring for four-stage control 24 Vac input 24 Vac load Wiring for ML7984 valve actuator Wiring for three Series 90 Modutrol Motors Foota MΩ/ft Rating 200 ft 500 ft 000 ft Power LossTemperature Sensor Calibration CheckoutUsing the LCD Panel Interface Interface OverviewHome Screen Programming, Scheduling, and Summary Menus Accessing the MenusUsing the Menus Setup MenuSetpoint and Differential Heating Mode Setpoint and DifferentialCooling Mode Setpoint and Differential ProgrammingEntering Program Mode Programming the T775A/B/M ControllerProgram Menu for Outputs Differential or Throttling Range SensorHEAT/COOL Exiting Program Mode SetbackProgram Next Output Mod or Relay Setting up the Sensors Setup Advanced OptionsSetup Procedure Entering Setup ModeLabel the sensor input Sensor aUnits F or C Calibrate the sensorLabel Exit Sensor a SetupSensor B CalibrateLimit Sensor B only HI Limit or LOW Limit Sensor B onlySetting up the Outputs Setting up the Modulating OutputsThrottling Range Sensor B only Type of output signal MIN OUT %Integral Exit ScheduleUSE Sched OptionsMIN OFF minimum off time for all relays DI Options digital input optionsShow RT show run time hours Exit Options Setup Setting up the RelaysType standard or floating Floating Relay Menu Derivative modulating/floating relay only Reset RT run time hoursSetup Outputs Relay Exit Exit Setup ModeEntering Schedule Mode SchedulingCreating a Schedule SET Time SET DateDaylight daylight saving time Setting Individual Schedules Mon-Fri Schedule Defaults1. E1 Setpt setpoint for event 3. E2 Setpoint setpoint for event Exiting Scheduling ModeExit exit from selected time period settings 2. E1 Time time for eventDiagnostic Messages TroubleshootingErrors and Diagnostics Error MessageFCC Compliance Statement Safety ComplianceEmissions Compliance Immunity ComplianceDOC T775A/B/M Series 2000 Controller

AC-220-7, AC-140-7 specifications

The Honeywell AC-140-7 and AC-220-7 are advanced air conditioning units that exemplify modern air conditioning technology, delivering both comfort and efficiency. Designed for varying space requirements, these units cater to both residential and light commercial settings, providing versatile solutions for climate control.

The AC-140-7 model is particularly known for its compact design, making it suitable for smaller spaces without sacrificing performance. It delivers an impressive cooling output, effectively maintaining comfortable indoor temperatures even during the hottest months. The system utilizes a high-efficiency compressor that operates quietly, ensuring minimal disruption to daily activities. Additionally, the AC-140-7 features an advanced air filtration system that helps to improve indoor air quality by capturing dust, allergens, and other particulates.

In contrast, the AC-220-7 is designed for larger spaces, providing robust cooling capacity. It incorporates multiple fan speeds and advanced thermostatic controls, allowing users to customize their cooling experience according to their preferences and requirements. One of the standout characteristics of the AC-220-7 is its energy efficiency, with a high Seasonal Energy Efficiency Ratio (SEER) rating, which is crucial for reducing energy costs while maintaining optimal performance.

Both models are equipped with state-of-the-art technologies, including smart diagnostic features that help users troubleshoot issues quickly and efficiently. This capability not only enhances the user experience but also prolongs the lifespan of the units. Furthermore, these units are easy to install and maintain, with accessible components for service and cleaning.

A critical characteristic of the Honeywell AC-140-7 and AC-220-7 is their environmentally friendly refrigerants, which align with modern environmental regulations. This aspect makes them a responsible choice for environmentally conscious consumers.

In summary, the Honeywell AC-140-7 and AC-220-7 units are excellent examples of innovation in air conditioning solutions. With their combination of efficiency, advanced features, and quiet operation, these models represent a significant investment in comfort and sustainability for any space. Whether cooling a small room or a larger area, Honeywell’s engineering excellence ensures that users enjoy effective climate control tailored to their needs.
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