Honeywell W7750A specifications Configurations, General

Models: W7750A

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EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER

Configurations

General

Tables 3 and 4 provide an overview of the Excel 10 W7750 configuration options. All W7750s are assumed to have a supply fan digital output. Additionally, Tables 3 and 4 list the general mechanical equipment options available with the W7750 Controller. See Application Step 6. Configure Controllers, for further information on configurations.

CAUTION

For floating control, the Excel 10 W7750 Controller is designed to work only with Series 60 valve and damper actuators. Full stroke actuator drive-time must be between 20 and 240 seconds (0.25 to 4.0 minutes).

Table 3. Common Configuration Options Summary For W7750A,B,C Controllers.

 

 

 

Option

 

Possible Configurations Common To All W7750 Models

 

 

 

Supply Fan

1.

Mandatory Digital Output.

 

 

 

Type of Air Handler

1.

Conventional.

 

 

 

 

2.

Heat Pump.

 

 

 

Occupancy Sensor

1.

None.

 

 

 

 

2.

Connected: Contacts closed equals Occupied.

 

 

 

 

3.

Network (Occ/Unocc signal received via the LONWORKS Bus network).

 

 

 

Window Sensor

1.

None.

 

 

 

 

2.

Physically Connected: Contacts closed equals window closed.

 

 

 

 

3.

Network (Window Open/Closed signal received via the LONWORKS Bus).

 

 

 

Wall Module Option

1.

Local (direct wired to the controller).

 

 

 

(The T77560A,B has no LONWORKS Bus access)

2.

Network (sensor value received via the LONWORKS Bus).

 

 

 

Wall Module Type

1.

Sensor only.

 

 

 

(All wall modules have a LONWORKS Bus access

2.

Sensor and Setpoint adjust.

 

 

 

jack except T7560A,B)

3.

Sensor, Setpoint adjust and Bypass.

 

 

 

 

4.

Sensor and Bypass.

 

 

 

Smoke Emergency Initiation

1.

None.

 

 

 

 

2.

Physically Connected: Contacts closed equals smoke detected.

 

 

 

 

3.

Network (Emergency/Normal signal received via the LONWORKS Bus).

 

 

 

74-2958— 1

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Honeywell W7750A specifications Configurations, General