Application Brochure

7 of 12
- Application
Mixing Control 361
A 361-4
03/09
Copyright ©2009 A 361-4 03/09
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.
Mechanical
Mix Demand
see Essay E 021
Heat Pump Unit
Zone 3
Heat Pump Unit
Zone 1
Heat Pump Unit
Zone 2
361
120 V (ac)
P1
Mix
Sensor
(S2) 082
Boiler
Sensor
(S1) 082
P2
V1
P3
D1
Electrical
D1 = Mix Demand
P1 = Variable Speed Injection Pump
P2 = Boiler Pump
P3 = Mixing System Pump
S1 = Boiler Supply Sensor 082
S2 = Mix Supply Sensor 082
V1 = Balancing or Globe Valve
S2
S1
Boiler
361
12 4
6
8
10
5 9
Var
Do not apply power
11 12 13 14 15
Com
Sw
UnO
Boil
Indr
7
Pmp
N
Boiler
10A
Mixing
Demand
L
N
Power
Pmp
Sys
N
1716
Com
Mix
Out
3
10A2.4A
120 V (ac)
N
P1
P3
P2
L
30% Enable
Return
10% Enable
Boiler Sensor
Supply
Installer
Advanced
= Required
= Optional
= Not Used