Honeywell W7750A Manuel D’Utilisation
SYSTEM ENGINEERING
74- 2958- 1
® U.S. Registered Trademark
Copyright © 2000 Honeywell Inc. • All Rights Reserved
Copyright © 2000 Honeywell Inc. • All Rights Reserved
Excel 10
W7750A,B,C CONSTANT VOLUME AHU CONTROLLER
Contents
Abbreviations and Definitions ............................................................................... 10
Construction ......................................................................................................... 11
Construction ......................................................................................................... 11
® Functional Profile ..................................................................... 17
ANALOG INPUTS:...................................................................................... 18
DIGITAL INPUTS: ....................................................................................... 19
TRIAC OUTPUTS ON THE (W7750B,C MODELS ONLY):........................ 19
DIGITAL OUTPUTS: ................................................................................... 19
DIGITAL INPUTS: ....................................................................................... 19
TRIAC OUTPUTS ON THE (W7750B,C MODELS ONLY):........................ 19
DIGITAL OUTPUTS: ................................................................................... 19
General ........................................................................................................... 22
Allowable Heating and Cooling Equipment Configurations ............................ 24
Allowable Heating and Cooling Equipment Configurations ............................ 24
STAGED HEATING/COOLING CONTROL ................................................ 24
MODULATING HEATING/COOLING CONTROL ....................................... 24
HEAT PUMP CONTROL............................................................................. 24
ECONOMIZER CONTROL ......................................................................... 25
PNEUMATIC ACTUATOR CONTROL ........................................................ 25
MIXED-OUTPUT-TYPE CONTROL ........................................................... 26
MODULATING HEATING/COOLING CONTROL ....................................... 24
HEAT PUMP CONTROL............................................................................. 24
ECONOMIZER CONTROL ......................................................................... 25
PNEUMATIC ACTUATOR CONTROL ........................................................ 25
MIXED-OUTPUT-TYPE CONTROL ........................................................... 26
Occupancy Sensor ......................................................................................... 26
Window Open/Closed Digital Input ................................................................. 26
Wall Module Options ....................................................................................... 26
Dirty Filter Monitor .......................................................................................... 27
Indoor Air Quality (IAQ) Override ................................................................... 27
Smoke Control ................................................................................................ 27
Freeze Stat ..................................................................................................... 27
Window Open/Closed Digital Input ................................................................. 26
Wall Module Options ....................................................................................... 26
Dirty Filter Monitor .......................................................................................... 27
Indoor Air Quality (IAQ) Override ................................................................... 27
Smoke Control ................................................................................................ 27
Freeze Stat ..................................................................................................... 27
Overview .............................................................................................................. 29
Step 1. Plan the System ....................................................................................... 29
Step 2. Determine Other Bus Devices Required .................................................. 29
Step 3. Lay Out Communications and Power Wiring ........................................... 30
Step 1. Plan the System ....................................................................................... 29
Step 2. Determine Other Bus Devices Required .................................................. 29
Step 3. Lay Out Communications and Power Wiring ........................................... 30
® Bus Layout ................................................................................ 30