tekmar 545 Thermostat Installation - Manual

1 of 40 © 2008 D 545 - 07/08
D 545
07/08 tekmarNet ® 4 Thermostat 545
- Data Brochure
Information
Brochure
Choose controls
to match
application
1
Application
Brochure
Design your
mechanical
applications
2
Rough In
Wiring
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
• • tN4 Compatible
•
• Automatic Heat / Cool Switchover
•
• 2 Auxiliary Temperature Sensor Inputs
•
• Pulse Width Modulation
• • Programmable Setback and Setup Scheduling
•
• Scenes
•
• Cooling Group
•
• Radiant Base Load
The tekmarNet ® 4 thermostat 545 operates two stages of heating equipment, one stage of cooling equipment, and one fan.
The fan operation includes logic to operate ventilation. The 545 can operate as a stand alone device, or communicate with
a group of tekmarNet
® 4 thermostats.
Introduction
Features
tNt 545
Two Stage Heat, One Stage Cool, One Fan
Power: 24 V (ac) ±10% 60 Hz 1.5 VA
Relays: 24 V (ac) 2 A
G1
G1
Rc
Y1
Com
S2
S1
tN4
C
R
Rh1
W1
Rh2
W2 Fan 1 Relay
Fan 1 Relay
Power Cooling
Cool 1 Relay
Sensor Common
Sensor 2
Sensor 1
tekmarNet 4
Power Neutral
Power 24 V (ac)
Heat 1 Relay
Heat 1 Relay
Heat 2 Relay
Heat 2 Relay
DIP Switch Functions
992-02
Meets Class B: Canadian ICES, FCC Part 15
®
No Power
To isolate
relay, cut
jumper
Terminal Functions
Y1 Rc G1 G1
R
C
tN4
S1
S2
Com
W1 Rh1 Rh2 W2