Honeywell 95-7769-01 User Manual

Page of 176
WEBVISION™
43
95-7769—01
CHC Wiring Diagram
Purpose
Display the wiring diagram for the controller.
Mode
Configuration can be performed with the wizard Off-line or 
On-line. 
Procedure
1. Click the Wiring button on the left pane to open the 
Wiring Configuration page. 
2. Enter information into available fields. 
3. Click Commit to save the settings or Reset to revert to 
the last saved settings. 
4. Click Back to display the PID Configuration page. 
Fields 
DI1 Window / Occupancy / Air Flow / Changeover.
LON Bus
The terminals in Table 14 are used to connect the LON Bus 
FTT-10A. The LON terminals are insensitive to polarity.
Power
24VAC: 50/60 Hz.
Configuring the Constant Volume Air 
Handling Unit Controllers (CVAHU)
Description
The W7750 series is the Constant Volume Air Handling Unit 
(CVAHU) controller in the Excel 10 family. It is a LonMark 
compliant device designed to control single zone and heat 
pump air handlers. The W7750 series can be configured to 
control a wide variety of possible equipment arrangements.
The various models available for The XL10 CVAHU are:
• W7750A 
• W7750B 
• W7750C 
Purpose
To configure a CVAHU application.
Navigating to CVAHU Pages
Go to the Devices tab. Expand the list of devices on the left 
pane (listed under WebVision). Select a device to view its 
properties.
CVAHU Device Property Fields
Table 15 lists the CVAHU device properties for each controller 
model.
Table 13. CHC - Wiring Diagram.
Name
Definition
Wall 
Module
Use these terminals to connect the Wall Module.
• Override LED 
• Setpoint 
• Bypass Button 
• Room Temp Sensor 
Table 14. CHC - LON Bus Terminals.
Output1 /
Output2
Terminal
14/15
Terminal
17/18
Floating
14 On = open valve
17 On = open valve
15 On = close valve
18 On = close valve
1-stage
14 = On/Off
17 = On/Off
15 = not used
18 = not used
2-stage
14 On = stage 1
17 On = stage 1
14 On + 15 On = stage 2
17 On + 18 On = stage 2
3-stage
14 On = stage 2
17 On = stage 1
15 On = stage 2
18 On = stage 2
14 On + 15 On = stage 3
17 On + 18 On = stage 3
PWM
14 = PWM
17 = PWM
15 = not used
18 = not used
Thermal
14 = Pulse Modulated
17 = Pulse Modulated
15 = not used
18 = not used
Table 14. CHC - LON Bus Terminals. (Continued)
Output1 /
Output2
Terminal
14/15
Terminal
17/18
Table 15. XL10 CVAHU Device Properties for each Model.
Criteria
W7750A
W7750B
W7750C
Digital Outputs
6 (Relay)
8
5
Analog Outputs
0
0
3
Conventional or 
Heat pump control
yes
yes
yes
Stages of electric or 
gas fired heating
1-4
1-4
1-4
Stages of Cooling
1-4
1-4
1-4