Wiring to switching relay, Switching relay, Thermostat 508 – tekmar 509 Thermostat Installation User Manual
Page 10
© 2012
D 508 - 04/12
10 of 16
Wiring to Unpowered 24 V (ac) Relay
2
1
8
7
3
4
5
6
Zone Pump
NO
POWER
2
Sensor
1
24 V ±10% 50/60 Hz 1.5 VA.
24 V (ac) 2 A Class 2
Installer
Access level
Not used
Power:
Relay:
For 3 wires,
install jumper
R to Rh
944-02
Thermostat 508
One Stage Heat
508
46
5
3
Rh
R
CW
User
Meets Class B:
Canadian ICES
FCC Part 15
Made in
Canada
Apr 2010
Lot 1234
1
2
ON
24 V
N
L
Auxiliary Sensor
24 V (ac)
Class 2
Transformer
115 V (ac)
Unpowered
Relay
Wiring to Switching Relay
Auxiliary Sensor
Zone Pump
L
N
115 V (ac)
W
(T)
(T)
R
NO
POWER
2
Sensor
1
24 V ±10% 50/60 Hz 1.5 VA.
24 V (ac) 2 A Class 2
Installer
Access level
Not used
Power:
Relay:
For 3 wires,
install jumper
R to Rh
944-02
Thermostat 508
One Stage Heat
508
46
5
3
Rh
R
CW
User
Meets Class B:
Canadian ICES
FCC Part 15
Made in
Canada
Apr 2010
Lot 1234
1
2
ON
24 V
24 V
W
(T)
(T)
R
H
N
X
X
H
N
H
N
N
H
Com
Switching Relay
Zone 1
Zone 2
Zone 3
Class 2
Transformer
W
(T)
(T)
R
115 V (ac)
24 V (ac)
Sensor Wires
115 V (ac)
24 V (ac)
Sensor Wires