Application Brochure

Note:
This is only a concept drawing. The designer must determine whether this application will work in his system and must ensure compliance with
code requirements. Necessary auxiliary equipment, isolation relays (for loads greater than the specified tekmar internal relay ratings), and other safety
and limit devices must be added.
- Application
Electrical
Mechanical
A 150-3
12/08
One Stage Setpoint Control 150
Class 2
Transformer
120 V (ac)
24 V (ac)
DHW
Sensor
(S1) 071
P2
P1
A1
150
Domestic
Cold Water
24 V (ac)
120 V (ac)
Class 2
Transformer
N
L
C
R
S1
Boiler
P2
A1 = DHW High Limit Aquastat
P1 = Boiler Pump
P2 = DHW Recirculating Pump
S1 = DHW Sensor 071
12
3
4567
C-
Power
R+
N/O
Com
N/C
Sensor
8A
On
—
Off
150
8A
PWM
DHW
Recirculation
Loop
A1
No
Power