© 2011
D 315 - 04/11
10 of 12
Sequence of Operation
tekmarNet
®
System
Section A
tekmarNet
®
is a family of products that use communication
to operate the HVAC system in a comfortable and efficient
manner. The Wiring Center is a zoning component in
a tekmarNet
®
system and requires tekmarNet
®
4 (tN4)
Thermostats to be directly connected to it.
The tekmarNet
®
4 (tN4) Expansion terminals can link the
Wiring Center with other tekmarNet
®
components:
House Controls 400, 401, 402, 403 - Provides boiler and
DHW control
•
Reset Modules 420, 421, 422, 423
Boiler Controls 274, 275
Wiring Centers 313, 314, 315, 316 - Add additional zones
tN4 Thermostats - Add thermostats
tN4 Timer 033 - Adds 4 programmable schedules
tN4 User Switch 479 - Provides a system override for
vacations and holidays
tN4 Setpoint Control 161, 162 - Control hot tubs, pools
and more
•
•
•
•
•
•
•
ZONE 1
The zone 1 thermostat is calling for heat
and the 24 V (ac) output is energized.
ZONE 2
The zone 2 thermostat is calling for heat
and the 24 V (ac) output is energized.
ZONE 3
The zone 3 thermostat is calling for heat
and the 24 V (ac) output is energized.
ZONE 4
The zone 4 thermostat is calling for heat
and the 24 V (ac) output is energized.
ZONE 5
The zone 5 thermostat is calling for heat
and the 24 V (ac) output is energized.
ZONE 6
The zone 6 thermostat is calling for heat
and the 24 V (ac) output is energized.
POWER
24 V (ac) is being applied to the Wiring
Center to provide it with power.
END SWITCH / ZONE GROUP PUMP
At least one of the zone thermostats are
calling for heat and the end switch and zone
group pump relay outputs are closed.
LEDs
User Interface
Power
Zone 1
Zone 2
Zone 3
Zone 4
Zone 5
Zone 6
End Switch / Zone Group Pump
Wiring Center 315
