Honeywell W8735B Telephone Access Module.
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Honeywell W8735B Telephone Access Module:
The W8735B Telephone Access Module provides remote telephone access to an HVAC system when used with a PC8900/W8900 or 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).
When used with the C7835A Discharge Temperature Sensor, additional HVAC diagnostics are available such as equipment performance monitoring.
The W8735B uses the Enviracom™ Network, a low cost, wired communications protocol.
Use with the T8635L Microelectronic Communicating Programmable Thermostat and W8635A or W8635B Equipment Interface Module.
Provides remote telephone access to check or change the thermostat temperature and system mode.
Reports an alert message on high or low tmperature
Monitors the HVAC system performance, when used with the C7835A Discharge Temperature Sensor, and reports on failure.
Up to three telephone numbers can be programmed for alert messaging.
Auxiliary sensor input for use with an optional NO sensor contact.
Application Remote dial-in access to an HVAC system conventional telephone line. Programmability Up to three dial-out numbers, power outage duration, zone names, enable/disable filter altert, and enable/disable dial-out alert. Network Zoning Yes
Zones Remote access up to nine zones when used with W8703A
Heat Pump Compatible Yes
Compatible with Discharge Air Temperature Yes
Compatible with Supply Air Sensor Yes Color White and Blue ABS
Terminal Designations 1, 2, 3, Aux1, Aux2, Ln2, Ln2, Ph1, Ph2, Line in, Phone out
Dimensions (in.) 7-9/16 in. high, 1-5/8 in. wide, 4-1/2 in. Deep
Dimensions (mm) 192 mm high, 41 mm wide, 114 mm deep
Mounting No. 6 screw and wall anchors supplied in bag assembly
Electrical Ratings (Vac) 24 Vac
Frequency (Hz) 50 Hz, 60 Hz
Humidity Ratings (% RH) 5% to 95% RH, non-condensing
Approvals, FCC FCC rules: Part 68 and Part 15, Subpart J for Class B equipment emissions. Required Accessory T8635L Microelectronic Communicating Programmable Thermostat, W8635A or W8635B Equipment Interface Module
Optional Accessory 32005208-001 Mounting Bracket, C7089B Outdoor Temperature Sensor, C7835A Discharge Temperature Module, W8703A Damper Interface Module
Description Telephone Access Module
Ambient Temperature Range (C) 0 C to 49 C
Ambient Temperature Range (F) 32 F to 125 F
Replaces Part Numbers: CARW8735B1003