1
of
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©
2008 W
543
-
12/08
W 543
12/08
tekmarNet
®
4 Thermostat 543
- Wiring Brochure
Overview
Information
Brochure
Choose controls
to match
application
1
Application
Brochure
Design your
mechanical
applications
2
Layout
Brochure
Rough-in
wiring
instructions
3
Wiring
Brochure
Wiring and
installation of
specific control
4
Job
Record
Record settings &
wiring details for
future reference
6
Data
Brochure
Control settings
and sequence of
operation
5
The following brochure describes how to wire the tekmar tekmarNet
®
4 (tN4) thermostat 543. The 543 has outputs for two
heat stages. The 543 has inputs for two auxiliary sensors. The wiring of 543 thermostat is simple and cost effective.
Table of Contents:
Definitions .......................................................................2
Rough-In Wiring .............................................................2
Remove the Wiring Cover ..............................................3
Mounting the Thermostat ...............................................3
Wiring Symbols ...............................................................3
Electrical Drawings ......................................................3-5
Wiring the Thermostat .................................................6-7
Troubleshooting the Wiring .............................................7
Testing the Wiring ........................................................7-8
Technical Data ................................................................8
tNt 543
Two Stage Heat
Power: 24 V (ac) ±10% 60 Hz 2.5 VA
Relays: 24 V (ac) 2 A
S2
S1
Com
tN4
C
R
Rh1
W1
Rh2
W2
Sensor 2
Sensor 1
Sensor Common
tekmarNet 4
Power Neutral
Power 24 V (ac)
Heat 1 Relay
Heat 1 Relay
Heat 2 Relay
Heat 2 Relay
DIP Switch Functions
994-01
Meets Class B: Canadian ICES, FCC Part 15
®
No Power
To isolate
relay, cut
jumper
Terminal Functions
W1
Rh1
Rh2 W2
R
C
tN4
Com
S1
S2
24 V (ac)
Power
tN4
Network
1st Stage
Heating
2nd Stage
Heating
DIP
Switches
Auxiliary
Sensors
Wiring
Cover
