tekmar 552 Thermostat Installation - Manual (Page 7)

© 2014 552_D - 09/14
7 of 44 A Watts Water Technologies Company
Wiring - Stand Alone to Transformer and Zone Valve ------------------- -------------------
C
tN2
tN4
tN2
R
Rh W1
No Power
S1 S2 Com
R C
L N
Optional Sensor 1
Optional Sensor 2
Install field jumper
wire R to Rh
Zone Valve
24 V (ac)
transformer
Wiring - Stand Alone to Switching Relay or Zone Valve Control --------- ---------
W
(T) (T)
R
24 V
W
(T) (T)
R
H N X X H N H N N L
Com
Switching Relay
Zone 1 Zone 2 Zone 3
W
(T) (T)
R
C
tN2
tN4
tN2
R
Rh W1
No Power
S1 S2 Com
Optional Sensor 1
Optional Sensor 2
Zone Pump
N
L
Compatible Sensors
The thermostat is compatible with Indoor Sensor type 076, 077, 084, Floor Sensor type
072, 073, 079, and Outdoor Sensor type 070.