Application Brochure

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- Application
Mixing Control 360
A 360-2
03/09
Copyright ©2009 A 360-2 03/09
Mechanical
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.
M
M
M
M
Class 2
Transformer
120 V (ac)
24 V (ac)
Mix
Sensor
(S3) 082
Outdoor
Sensor (S2) 070
P1
Boiler
Sensor
(S1) 082
P2
C1
V1
V2
T1
Z1
T2
Z2
T3
Z3
360
Electrical
C1 = Actuating Motor 741
P1 = Boiler Pump
P2 = Mixing System Pump
S1 = Boiler Supply Sensor 082
S2 = Outdoor Sensor 070
S3 = Mix Supply Sensor 082
T1, ..., T3 = Thermostats
U1 = tekmar Timer 033 (optional)
V1 = 2-Way Injection Valve
V2 = Balancing or Globe Valve
Z1, ..., Z3 = Zone Valve Motor End Switches
Boiler
S1
S3
S2
C
R
Zone Valve
Motor End
Switches
1
Com
C
2
Opn
3
Cls
24 V (ac)
120 V (ac)
Class 2
Transformer
N
L
P1
P2
Z1
Z2
Z3
U1
10A
360
12 4 6
10
78
Mixing
Demand
L N Pmp
Sys
R
Cls
Boiler
3
Power
5
9
11
R
Opn
C
Do not apply power
13 14 15 16 17 18
Com
Sw
UnO
Com
Boil
Out
12
Indr
10A
N
Mix
Powered Output
Boiler Sensor
30% Enable
Return
10% Enable
Supply
Installer
Advanced
= Required
= Optional
= Not Used
C1