Honeywell W8735B- User Manual
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Table of Contents:
- Page 2 – TELEPHONE ACCESS MODULE; CAUTION; Remove the cover and set aside.; auxiliary input; SUBBASE
- Page 3 – WIRING; Securely tighten each terminal screw.; Wiring the Communications Bus; MODULE
- Page 4 – Wiring the Telephone; Wiring Diagrams; W8735B Terminal Designations
- Page 6 – Fig. 9. Telephone installation wiring including; Tighten screws be careful not to over tighten.; IMPORTANT
- Page 8 – Installer Setup; Checkout; Description
- Page 9 – None
- Page 10 – Sending an Alert Message; Zone ID
- Page 11 – TROUBLESHOOTING GUIDE; Alert Messages
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INSTALLATION INSTRUCTIONS
Place Bar Code Here
69- 1352
W8735B
Telephone Access Module
APPLICATION
The W8735B Telephone Access Module provides remote
telephone access to an HVAC system when used with a
T8635L Microelectronic Communicating Programmable
Thermostat and a W8635A or W8635B Equipment
Interface Module. The W8735B can be used with
conventional or heat pump applications. The W8735B
can provide remote access of up to nine zones when
used with the W8703A Damper Interface Module(s). See
Table 1.
When used with the C7835A Discharge Temperature
Sensor, additional HVAC diagnostics are available. See
Table 5. The W8735B uses the Enviracom
™
Network, a
low cost, wired communications protocol.
INSTALLATION
When installing this product…
1.
Read these instructions carefully. Failure to follow
these instructions can damage the product or
cause a hazardous condition
2.
Check the ratings given in the instructions and on
the product to make sure the product is suitable for
your application.
3.
Installer must be a trained, experienced service
technician.
4.
After completing installation, use these instructions
to check out the product operation.
CAUTION
Electrical Shock Hazard.
Can cause personal injury and equipment
damage.
Disconnect power before beginning installation.
Location
Locate the W8735B in the equipment room near the
HVAC equipment and where access to the main
telephone line is available. See Fig.1.
Table 1. W8735B Description.
Model
Application
Terminals
Comments
W8735B
Remote dial-in and
remote dial-out using a
conventional
telephone line.
1, 2, 3, Aux1,
Aux2, Ln1,
Ln2, Ph1,
Ph2, Line in,
Phone out.
Use with T8635L Communicating Thermostat,
W8635A or W8635B Equipment Interface
Module.
Use the W8703A Damper interface Module for
zoning systems.
Use the C7835A Discharge Temperature Sensor
for system diagnostics.
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Other Manuals for Honeywell W8735B
Summary
TELEPHONE ACCESS MODULE 69-1352 2 Fig. 1. Locating W8735B in equipment room. Mounting W8735B Telephone Access Module CAUTION Equipment Mounting Damage Hazard.Can damage W8735B when mounted inside HVAC equipment.Mount W8735B outside of any HVAC equipment, where access to main telephone line is availa...
TELEPHONE ACCESS MODULE 3 69-1352 Fig. 4. Mounting W8735B subbase. WIRING CAUTION Electrical Shock Hazard.Can cause personal injury and equipment damage.Disconnect power before beginning installation. 1. Locate the wiring label inside the telephone access module. See Fig. 5. 2. Loosen the terminal s...
TELEPHONE ACCESS MODULE 69-1352 4 Wiring the Telephone CAUTION Incorrect Telephone Line Hookup Hazard.Inability to call out can result in personal injury or property damage.Improper installation can result in blocked phone lines and inability to make 911 and other emergency-reporting phone calls.Alw...
