5
of
8
©
2008 W
543
-
12/08
Electrical Application
543 E2
Factory installed
jumper connects R to
Rh1 (terminals 6 to 7).
To isolate W1 relay, cut
jumper J1.
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
6
5
4
3
2
1
8
7
9
10
J1
543 tNt
Zone Manager
HVAC Equipment
tN4
C
R
W
tN4
C
R
S2
S1
Com
Rh1 W1 Rh2 W2
Universal Sensor
071
Indoor Sensor
076
R
W
Description:
Two Stage Heating (H1 = Radiant, H2 = Furnace).
Legend:
Sensor 1 = Remote
Sensor 2 = Room
