Application Brochure

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- Application
Mixing Control 356
A 356-5
05/00
Copyright ©2000 A 356-5 05/00
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.
D1
Electrical
D1 = Mix Demand
P1 = Variable Speed Injection Pump
P2 = Boiler Pump
P3 = Mixing System Pump
S1 = Mix Supply Sensor 071
S2 = Boiler Supply Sensor 071
V1 = Balancing or Globe Valve
C
R
S2
S1
356
5
7
9
8
6
T
5A
Boiler
R+
C-
Power
Do not apply power
2
Out
3
Sup
Com
14
Boil
2.4A
L
24 V (ac)
120 V (ac)
Class II
Transformer
N
P1
Boiler
P3
P2
Mix Demand
Mechanical
see Essay E 021
Class II
Transformer
120 V (ac)
24 V (ac)
356
P1
Mix
Sensor
(S1) 071
Boiler
Sensor
(S2) 071
P2
V1
P3