Honeywell Telephone W8735B User Manual

W8735B  
Telephone Access Module  
INSTALLATION INSTRUCTIONS  
can provide remote access of up to nine zones when  
used with the W8703A Damper Interface Module(s). See  
Table 1.  
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  
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.  
Table 1. W8735B Description.  
Model  
W8735B  
Application  
Terminals  
Comments  
Remote dial-in and  
remote dial-out using a  
conventional  
1, 2, 3, Aux1,  
Aux2, Ln1,  
Ln2, Ph1,  
Use with T8635L Communicating Thermostat,  
W8635A or W8635B Equipment Interface  
Module.  
telephone line.  
Ph2, Line in,  
Phone out.  
Use the W8703A Damper interface Module for  
zoning systems.  
Use the C7835A Discharge Temperature Sensor  
for system diagnostics.  
INSTALLATION  
CAUTION  
Can cause personal injury and equipment  
Electrical Shock Hazard.  
When installing this product…  
damage.  
1. Read these instructions carefully. Failure to follow  
these instructions can damage the product or  
cause a hazardous condition  
Disconnect power before beginning installation.  
2. Check the ratings given in the instructions and on  
the product to make sure the product is suitable for  
your application.  
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.  
3. Installer must be a trained, experienced service  
technician.  
4. After completing installation, use these instructions  
to check out the product operation.  
® U.S. Registered Trademark  
Copyright © 2000 Honeywell •  
•All Rights Reserved  
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TELEPHONE ACCESS MODULE  
MODULE  
WIRING  
KNOCKOUT  
SUBBASE  
WALL  
ANCHORS  
(2)  
WIRING LABEL  
ON INSIDE  
MOUNTING  
OF MODULE  
HOLE FOR  
SUBBASE  
MOUNTING  
SCREWS (2)  
con.  
A
1
2
3
WIRING  
HOLE  
Aux1  
Aux2  
WIRING  
TERMINAL  
BLOCK  
con.  
con.  
con.  
B
C
D
WALL  
WIRING  
TERMINAL  
BLOCK  
WIRING  
HOLE  
MOUNTING  
HOLE FOR  
SUBBASE  
Ph1  
Ph2  
Ln1  
Ln2  
M14779  
WIRING  
KNOCKOUT  
Fig. 4. Mounting W8735B subbase.  
M14778  
WIRING  
Fig. 5. Locating the wiring label inside the module.  
TERMINAL BLOCK  
WIRE  
CAUTION  
Can cause personal injury and equipment  
Electrical Shock Hazard.  
damage.  
Disconnect power before beginning installation.  
1. Locate the wiring label inside the telephone access  
module. See Fig. 5.  
2. Loosen the terminal screws on the W8735B and  
connect the system wires. See Fig. 6 through 9  
and Table 2.  
SCREW  
DRIVER  
M14803  
3. Securely tighten each terminal screw.  
Fig. 6. Connecting wires to terminals.  
Wiring the Communications Bus  
Connect terminals 1, 2, and 3 from the Telephone Access  
Module to the other network devices. See Fig. 7.  
Wiring the Auxiliary Input  
Connect Aux1 and Aux2 terminals to an optional  
normally open sensor contact, not included; see Fig. 7.  
3
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TELEPHONE ACCESS MODULE  
2. Wire the house telephones to the Phone out con-  
nections (see Table 2) on the Telephone Access  
Module.  
Wiring the Telephone  
3. After the Telephone Access Module installation is  
complete, be sure to verify that the emergency  
telephone line disconnect is operating correctly.  
a. Call the Telephone Access Module using an  
outside line (installers use a cell phone).  
b. While calling into the Telephone Access Mod-  
ule, pick up a house telephone receiver. If you  
get a dial tone after a few seconds and the  
Telephone Access Module drops control of the  
line, the Telephone Access Module is installed  
correctly.  
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.  
Always connect the Telephone Access Module  
first in line. When a monitored security system is  
installed, connect the Telephone Access Module  
second in line.  
Observing this practice ensures that Telephone  
Access Module drops off the line to allow priority  
to the house telephone.  
c. If you do not get a dial tone on the house tele-  
phone, follow the wiring diagrams and rewire  
the telephone connections. See Fig. 8 and 9.  
IMPORTANT:  
Do not leave the installation until the emergency  
telephone line disconnect is operating correctly.  
1. Wire the telephone line from the telephone com-  
pany to the Line in connections on the Telephone  
Access Module.  
IMPORTANT:  
Wiring the Telephone Access Module first in line  
(or second in line with a monitored security sys-  
tem) ensures that when any house telephone is  
used (such as for an emergency), the Tele-  
phone Access Module drops off the line and  
gives control priority to the house telephone.  
Table 2. Terminal Designations.  
W8735B Terminal Designations  
Function  
1
To EnviraCom network terminal 1 (data).  
2
To EnviraCom network terminal 2 (24 Vac).  
To EnviraCom network terminal 3 (24 Vac).  
Auxiliary Input Connect to N.O. sensor contact.  
Auxiliary Input Connect to N.O. sensor contact.  
RJ11 connector Connect to telephone line.  
3
Aux1  
Aux2  
a
Line in  
b
RJ11 connector Connect to home telephones  
Phone out  
Ln1  
Ln2  
Ph1  
Ph2  
Line in - Connect to telephone line.  
Line in - Connect to telephone line.  
Phone out - Connect to home telephones.  
Phone out - Connect to home telephones.  
a
b
Connect to either Line in or use terminals Ln1 and Ln2.  
Connect to either Phone out or use terminals Ph1 and Ph2.  
Wiring Diagrams  
See Fig. 7 through 9 for wiring diagrams.  
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TELEPHONE ACCESS MODULE  
SUBBASE  
T8635L  
C7089B  
1
2
OUTDOOR  
TEMPERATURE  
SENSOR  
OT  
1
2
3
OT  
3
Aux1  
Aux2  
NOT  
USED  
W8635A  
FAN  
RELAY  
N.O.  
CONTACT  
(OPTIONAL)  
1
2
3
HEAT 1  
RELAY  
G
L2  
HEAT 2  
RELAY  
C
R
W1  
W2  
Y1  
Y2  
COOL 1  
RELAY  
L1  
(HOT)  
R
H
R
C
SYSTEM  
TRANSFORMER  
COOL 2  
RELAY  
FACTORY  
INSTALLER  
JUMPERS  
NOT  
USED  
Ph1  
Ph2  
Ln1  
Ln2  
M14774  
Fig. 7. Wiring the communications bus and auxiliary input.  
MODULE  
SUBBASE  
TO  
TELEPHONE  
LINE  
TO HOUSE  
TELEPHONES  
LINE  
IN  
1
RJ11  
OPTIONAL  
TELEPHONE  
CONNECTIONS  
RJ11  
PHONE  
OUT  
TO HOUSE  
NOT  
TELEPHONES  
USED  
1
Ph1  
Ph2  
Ln1  
Ln2  
TO  
TELEPHONE  
LINE  
1
USE EITHER RJ11 TELEPHONE CONNECTORS OR  
OPTIONAL TELEPHONE CONNECTIONS.  
M14804  
Fig. 8. Telephone installation wiring.  
5
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TELEPHONE ACCESS MODULE  
4. Connect and insert 9 Vdc alkaline battery.  
MODULE  
SUBBASE  
NOTE: 9 Vdc alkaline battery is optional; however,  
when the battery is installed in the W8735B, the  
power outage alert option is available.  
5. Replace the cover. See Fig. 11.  
6. Insert the module cover latch pin; see Fig 12.  
7. Apply power to the system.  
IMPORTANT  
The Telephone Access Module does not answer  
within the first 90 seconds after applying power  
or anytime power is disconnected.  
8. Do not attempt to dial in to the Telephone Access  
Module for the first 90 seconds after applying  
power to allow the Telephone Access Module time  
to generate its user menu.  
LINE  
IN  
1
SUBBASE  
TO HOUSE  
TELEPHONES  
PHONE  
OUT  
MODULE  
NOT  
1
USED  
Ph 1  
Ph 2  
Ln 1  
Ln 2  
2-3/4 IN. (70)  
SCREW (2)  
TO  
SECURITY  
SYSTEM  
TELEPHONE  
OUT  
SECURITY SYSTEM  
PANEL  
BATTERY  
CONNECTOR  
TO TELEPHONE LINE  
BATTERY  
1
USE EITHER RJ11 TELEPHONE CONNECTORS OR OPTIONAL  
TELEPHONE CONNECTIONS.  
M14805  
Fig. 9. Telephone installation wiring including  
monitored security system.  
Installing W8735B Module Housing Onto  
Subbase  
M14769  
After subbase is mounted and wiring complete, install the  
module housing onto the subbase:  
1. Align the subbase and the module housing and  
press together; see Fig. 10.  
2. Insert the 2 ¾ in. screws (provided) into the holes.  
3. Tighten screws; be careful not to over tighten.  
Fig. 10. Installing module onto subbase.  
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TELEPHONE ACCESS MODULE  
COMMUNICATION LED  
PASS CODE  
RESET BUTTON  
STATUS LEDs  
SWING UP  
TO LATCH  
BATTERY  
COVER  
HOOK IN BOTTOM  
M14770  
Fig. 11. Replacing module cover.  
7
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TELEPHONE ACCESS MODULE  
To enter the configuration menu, see Table 3, call into the  
Telephone Access Module using an outside line (typically  
an installer would use a cellular telephone):  
1. Enter the default four-digit pass code of 1 2 3 4 fol-  
lowed by the # key on the telephone.  
2. Enter 99 to access the configuration menu.  
NOTE: Set up the Telephone Access Module ID num-  
ber, pass code, zone ID names and other set-  
tings as described in steps 3 and 4. Use Table 4  
when setting up Configuration No. 6 in the Con-  
figuration Menu (choosing Zone ID names) in  
Table 3.  
battery  
auxiliary input  
on line  
momentary flash - ok  
steady flash - replace  
on continuously - replace  
3. Enter the configuration number, see Table 3, fol-  
lowed by the # key.  
4. To return to the configuration menu press the * key;  
to exit the configuration menu, press the * key  
again.  
Checkout  
Telephone  
Access  
Module  
1. Call into the Telephone Access Module using any  
outside line (typically an installer would use a cellu-  
lar telephone).  
2. Enter the pass code.  
3. Use the Telephone Access Module User Menu to:  
a. Change the system mode.  
b. Raise and lower the temperature.  
c. Verify that the changes are made at the ther-  
mostat.  
d. If zoning is installed, repeat steps a. through c.  
for each zone.  
continuously - replace  
W
8735B  
M14771  
Fig. 12. Inserting module cover latch pin.  
IMPORTANT  
Be sure to explain the dialout alert messages  
and possible causes (Table 5) to the home-  
owner.  
Installer Setup  
IMPORTANT  
Discuss with the homeowner if you, the HVAC  
e. Review the Owners Guide with the home-  
contractor, are providing a monitoring service.  
When you have agreed, install telephone num-  
ber setting three according to Configuration No.  
9 setting in Table 3.  
owner and leave all the literature with them.  
Table 3. Configuration Menu.  
Description  
Identification (ID) Number.  
Configuration No.  
Settings  
1
Any combination of digits up to 25 digits in  
When the W8735B dials out, it uses this number to length. This number is typically set to the  
identify who is calling. (This number can be used telephone number where the W8735B is  
to reference a data base of customers when  
installed, such as the homeowners home  
setting up a monitoring application.) The ID must telephone number.  
be programmed for the dial-out function.  
°
°
°
2
3
4
Low Limit Setting.  
40 F(4°C) to 65 F (18°C) in 1 F (1°C)  
When the temperature at the thermostat is less  
than this setting, the W8735B initiates a dial-out  
call. If more than one thermostat is used in a  
system, it uses the lowest value.  
increments. The factory default setting is  
°
50 F (10°C).  
°
°
°
High Limit Setting.  
70 F (21° C) to 110 F(43°C) in 1 F (1°C)  
When the temperature at the thermostat is greater  
than this setting, the W8735B initiates a dial-out  
call. When more than one thermostat is used in a  
system, it uses the highest value.  
increments. Factory default setting is 100  
°
F (38°C).  
Ring Setting.  
This setting determines how many rings occur  
before the W8735B picks up the line.  
1, 2, 3, 4, 5, 6, 7, 8, 9, 10. (Factory default  
is two rings.)  
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TELEPHONE ACCESS MODULE  
Table 3. Configuration Menu. (Continued)  
Description  
Configuration No.  
Settings  
5
Pass Code.  
Any combination of four digits.  
(Default pass code is 1234.)  
This setting provides secure access for the  
homeowners comfort settings. (Installer: Have the  
homeowner enter this setting either at the time of  
installation or at their convenience.)  
6
7
8
9
Zone ID Names (if zoning installed).  
When more than one thermostat is installed in a  
system, a name can be assigned to each zone  
thermostat.  
Choose from a list of 26 zone names. (See  
Table 4.)  
Filter Change Setting (enable/disable).  
The W8735B can initiate a dial-out alert when the  
HVAC equipment filter needs replacing. (If not  
desired, set the value to disable.)  
Enable or disable. (Enable is the default.)  
Enable or disable. (Enable is the default.)  
Up to three telephone numbers can be  
Dial-out Alert Setting (enable/disable).  
The W8735B can dial out on an alert condition.  
See Table 5. (If not desired, set the value to  
disable.)  
Dial-out Telephone Number Settings.  
W8735B can store up to three telephone numbers programmed. (Each telephone number  
a
can be any combination of 25 digits.)  
to dial out :  
Telephone number setting one: The  
homeowner selects a number where they can  
be contacted when away from home (such as  
office, second home, or cellular phone  
number).  
Telephone number setting two: An alternate  
contact when the homeowner cannot be  
reached (such as relative, friend or neighbor).  
Telephone number setting three (HVAC  
contractor is providing monitoring service at  
homeowners request): The HVAC contractor  
phone number.  
IMPORTANT  
If these numbers are not programmed, a  
dial-out is not initiated on alert. Tele-  
phone setting numbers one and two are  
for the homeowner.  
10  
11  
Power Outage Setting,  
1, 2, 3 or 4 hours. (Factory default is 1  
hour.)  
The W8735B can monitor if the power is  
interrupted (when a 9 Vdc alkaline battery is  
installed). When power is interrupted continuously  
for longer or equal to the power outage setting, the  
W8735B initiates a dial-out alert.  
Software Version Number.  
Identifies version of software in Telephone Access  
Module.  
None  
a
The W8735B prompts for setting the dial-out telephone number type as data or voice; choose voice because data is  
reserved for future applications.  
9
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TELEPHONE ACCESS MODULE  
Receiving and Acknowledging an Alert  
Message  
Table 4. Zone IDs.  
Zone ID  
The W8735B dials out until someone answering the  
telephone (at the dial-out telephone number setting  
locations described in Configuration No. 9 in Table 3)  
acknowledges the alert message.  
No.  
Zone Name  
1
Basement  
Bathroom  
Bedroom  
Den  
The message is acknowledged by pressing 1 on the  
telephone keypad. If there is no acknowledgement, the  
W8735B continues to dial the first two telephone  
numbers in sequence every 30 minutes until an  
acknowledgement is received.  
2
3
4
The third telephone number setting is designed to enable  
the HVAC contractor to provide a monitoring service at  
the homeowners request. If a telephone number was  
programmed into the third telephone location, the  
W8735B also dials the third number and continues until  
the HVAC contractor acknowledges the alert.  
5
Dining Room  
Foyer  
6
7
Game Room  
Great Room  
Guest Room  
Gym  
8
NOTE: The W8735B considers telephone number set-  
tings one and two independently from telephone  
number setting three. Even when the recipient  
at telephone number setting one or two  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
acknowledges the alert, it dials out and attempts  
to receive an acknowledgement from the recipi-  
ent at telephone number three, and vice-versa.  
Kids Bedroom  
Kitchen  
When the homeowner dials in and is informed that an  
alert is active, the alert can be acknowledged  
immediately to stop the calls to telephone numbers  
settings one and two but not to telephone number setting  
three.  
Library  
Lower Level  
Master Bedroom  
Media Room  
Nursery  
IMPORTANT  
Only the HVAC contractor can acknowledge the  
alert dialed to telephone number setting three.  
The HVAC contractor dials in to cancel the active alert  
messages to telephone number setting three by:  
Calling the home,  
Office  
Pool Room  
Porch  
Entering the last five digits of the telephone number  
setting three as the pass code; for example, if the  
telephone number is 555-1234, entering 5 1 2 3 4 as  
the pass code, and  
Following the menu to clear the alerts. (Using this  
pass code allows only the HVAC dealer to cancel the  
dial-out alert messages to telephone number setting  
three.)  
Spa  
Sunroom  
Theater  
Upper Level  
Wine Cellar  
Workshop  
Sending an Alert Message  
The W8735B can initiate a dial-out sequence from the  
conditions in Table 5.  
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TELEPHONE ACCESS MODULE  
Table 5. Dial-out Sequence Conditions.  
Possible Causes  
Alert Messages  
High Temperature  
The room temperature exceeded the high limit temperature setting  
programmed in the W8735B.  
Low Temperature  
The room temperature exceeded the low limit temperature setting programmed  
in the W8735B.  
a
A heat pump compressor fault occurred.  
Heat Pump  
b
The system heat output is below the acceptable performance; possible heating  
system failure.  
Heating System  
b
The system cool output is below the acceptable performance; possible cooling  
system failure.  
Cooling System  
c
The auxiliary sensor connected to the auxiliary input terminals has tripped.  
Auxiliary Input  
Filter Change  
Power Outage  
The thermostat is indicating a filter change is required for the heating/cooling  
system.  
A power outage exceeded the maximum allowable time.  
a
b
c
When a W8635B Equipment Interface Module is installed and L terminal is correctly used.  
W7835A Discharge Temperature Sensor is required.  
Normally open (N.O.) sensor contact is required. Keep the wire length between sensor and W8735B as short as possi-  
ble and ensure wire is not subjected to any electrical interference.  
TROUBLESHOOTING GUIDE  
*
Symptom  
Possible Cause  
Battery is either dead or not installed.  
Battery is weak.  
Solution  
Install or replace battery.  
Replace battery.  
Battery indicator is on continuously.  
Battery indicator is flashing with a  
steady on-off pulse.  
Battery indicator appears to flash  
momentarily every ten seconds.  
Battery is good.  
No action required.  
Telephone Access Module does not  
answer.  
Power is not connected or 90-second  
delay is in effect.  
Wait 90 seconds and try  
again.  
Phone line is not connected.  
Telephone line is out of order.  
Connect telephone line.  
Contact telephone company.  
On line indicator is illuminated.  
Telephone module is in dial-in or dial--out Wait for the call to end.  
sequence.  
Auxiliary input indicator is illuminated.  
W8735B detected a contact closure on  
auxiliary input terminals.  
Determine cause of contact  
closure. Remedy problem  
according to contact  
manufacturer instructions.  
W8735B indicates, The system is not W8735B is not receiving information from Make sure all connections  
responding.”  
the thermostats.  
between communicating  
devices are good.  
Password cannot access the Telephone Incorrect pass code entered.  
Access Module.  
Press and hold the pass code  
reset switch for five seconds.  
The pass code is reset to 1-2-3-  
4. Retry with the default pass  
code. See Fig. 11.  
11  
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TELEPHONE ACCESS MODULE  
Home and Building Control Home and Building Control  
Honeywell  
Honeywell Limited-Honeywell Limitée  
1985 Douglas Drive North  
Golden Valley, MN 55422  
35 Dynamic Drive  
Scarborough, Ontario  
M1V 4Z9  
Printed in U.S.A. on recycled  
paper containing at least 10%  
post-consumer paper fibers.  
69-1352 G.H. 10-00  
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