tekmar 482 tN4 Gateway - Manual (Page 4)

© 2012 D 482 - 01/12 4 of 12
Electrical Application 482 E1
/
tNt 542
One Stage Heat
993-02
Feb 2005
Lot 01
To
isolat
e r
ela
y,
cut jumper
/
tNt 542
One Stage Heat
993-02
Feb 2005
Lot 01
To
isolat
e r
ela
y,
cut jumper
L
G
N
Category 5 Cable (< 150 feet, 45 m)
2
tN4 Gateway 482
RS 232
Test
Power: 115 V ±10% 60 Hz 45 mA
Designed and assembled in Canada by
tekmar Control Systems Ltd.
tektra 1017-02
tN4 Bus 0
tN4 Bus 1
tN4 Bus 2
tN4 Bus 3
tN4 Bus 4
Power
Dat
e Code
not testing
testing
testing paused off
red
red
Caution: Signal wiring must be rated at least 300 V.
H205
1A
Power
L
1
N
5
C1
1
6
tN4
3
C0
0
4
tN4
7
C2
2
8
tN4
9
C3
3
10
tN4
11
C4
4
12
tN4
Do not apply power
RS 232
Tx
Rx
To RS 232 Serial Port
Adapter
1
Reporting Enable
Power-On State
Off
On
Description: tN4 network of tekmarNet ® thermostats are connected to a tN4 Gateway 482.
Refer to Thermostat wiring brochures for complete wiring schematic.
Note: There is a limit of 24 devices per tN4 bus. Additional thermostats can be wired to the next available bus up to a
maximum of 96 devices per system.