10
IOM-T-482
2125
© 2021 Watts
Before connecting the tN4 Gateway to a tekmarNet
®
system, it is recommended that the system be fully com-
pleted, with no tekmarNet
®
thermostats being added or
removed at a later date. Also, each tekmarNet
®
thermostat
is automatically assigned a tekmarNet
®
address when con-
nected to the system. When using a Gateway, each device
requires a manual address. This address should be written
down together with the room location for future reference
using the Job Record J 482 and will be required in order to
name the room on the home automation equipment.
The tN4 Gateway 482 can communicate and control the
following tekmar products:
• tekmarNet
®
Setpoint Control 161, 162
• tekmarNet
®
Thermostat 532, 552, 553, 554, 557
• Snow Melting Control 654, 670, 671
The 482 is compatible with the following boiler controls but
does not communicate with them:
• Boiler Control 274, 274, 284
• House Control 400, 401, 402, 403, 406
• Reset Module 420, 421, 422, 423
The 482 is compatible with the following discontinued
products:
• tekmarNet
®
2 Thermostat 527, 528, 529, 530
• tekmarNet
®
4 Thermostat 537, 538, 540, 541, 542,
543*, 544, 545, 546
*543 software versions J1126A to J1126I are not fully
compatible with the 482. Please contact your tekmar sales
representative for assistance with affected 543 products.
The tN4 Gateway 482 is not compatible with the tN4
Gateway 485 or 486. Two tN4 Gateway products cannot
be installed on the same heating system.
LEDS
ON
OFF
Power
Power is on.
Power is off.
Tx
Flashes when RS232 message is sent.
No RS232 message.
Rx
Flashes when RS232 message is received.
No RS232 message.
tN4 Bus 0
tN4 communication on bus 0 (b) is present.
No tN4 communication on bus 0.
tN4 Bus 1
tN4 communication on bus 1 is present.
No tN4 communication on bus 1.
tN4 Bus 2
tN4 communication on bus 2 is present.
No tN4 communication on bus 2.
tN4 Bus 3
tN4 communication on bus 3 is present.
No tN4 communication on bus 3.
tN4 Bus 4
tN4 communication on bus 4 is present.
No tN4 communication on bus 4.
The 482 supports an option to automatically report thermostat
information once every minute. The Reporting Enable Power
On State DIP switch selects if Reporting Enable is normally
on or normally off when powered on. Most home automation
systems require the reporting enable to be set to on. Older
home automation equipment may require this to be set to off.
The following home automation systems* have software
drivers for the 482:
AMX
Control4
Savant
Clare Controls
Elan
URC
Crestron
RTI
Vantage
The software drivers are available through the home
automation company.
Refer to the 482 product page on tekmar’s website
http://tekmarcontrols.com/accessories/482.html for an up
to date list of compatible home automation systems.
*Trademarks are the property of their respective automation company.
The tekmarNet
®
Home Automation protocol documentation is available on the tekmar website at:
https://www.watts.com/our-story/brands/tekmar/tha
Before You Start
Sequence of Operation
Compatible Equipment
tekmarNet
®
Home Automation Protocol
Compatible Home Automation Systems
Reporting Enable DIP Switch
LED Status Indicators
