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 153-2
12/08
Mixing Setpoint Control 153
24 V (ac)
120 V (ac)
Class 2
Transformer
N
L
C
R
M
Actuating
Motor
4-Way
Mixing Valve
Heat Pump Unit
Zone 1
Heat Pump Unit
Zone 2
Heat Pump Unit
Zone 3
Max. 4 pipe diameters apart
Class 2
Transformer
120 V (ac)
24 V (ac)
153
P2
Supply
Sensor (S1)
071
153
12
3
45678
Power
Com
Sen
Sup
Sen
Ret
Sen
Com
Mix
Opn
Mix
Cls
Mix
No Power
10A
10A
C-
R+
Boiler Return
Sensor (S2)
071
P1 = Boiler Pump
P2 = System Pump
S1 = Supply Sensor 071
S2 = Boiler Return Sensor 071
P1
P2
S1
S2
123
ClsCom Opn
C
C1
C1 = Actuating Motor