Honeywell W7750A User Manual
EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER
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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.
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).
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 L
ON
W
ORKS
Bus network).
Window Sensor
1. None.
2. Physically Connected: Contacts closed equals window closed.
3. Network (Window Open/Closed signal received via the L
ON
W
ORKS
Bus).
Wall Module Option
1. Local (direct wired to the controller).
(The T77560A,B has no L
ON
W
ORKS
Bus access)
2. Network (sensor value received via the L
ON
W
ORKS
Bus).
Wall Module Type
1. Sensor only.
(All wall modules have a L
ON
W
ORKS
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 L
ON
W
ORKS
Bus).