Application Brochure

3 of 12
- Application
Mixing Control 361
A 361-2
03/09
Copyright ©2009 A 361-2 03/09
M
MM
see Essay E 021
Outdoor
Sensor (S2) 070
DHW
Tank
Class 2
Transformer
120 V (ac)
24 V (ac)
361
P1
Mix
Sensor
(S3) 082
Boiler
Sensor
(S1) 082
P2P3
V1
P4
A2
A1
R1
T1
Z1
T2
Z2
T3
Z3
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.
30% Enable
Return
10% Enable
Boiler Sensor
Supply
Installer
Advanced
U1
S3
S1
C
R
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
S2
Zone Valve
Motor End
Switches
24 V (ac)
120 V (ac)
Class 2
Transformer
P1
P3
P2
R1
A2
P4
A1
Z1
Z2
Z3
N
L
3
4
6
5
7
2
1
8
Electrical
A1 = DHW Aquastat
A2 = DHW High Limit Aquastat
P1 = Variable Speed Injection Pump
P2 = Boiler Pump
P3 = Mixing System Pump
P4 = DHW Pump
R1 = Relay 004
S1 = Boiler Supply Sensor 082
S2 = Outdoor Sensor 070
S3 = Mix Supply Sensor 082
T1, ..., T3 = Thermostats
U1 = tekmar Timer 031 (optional)
V1 = Balancing or Globe Valve
Z1, ..., Z3 = Zone Valve Motor End Switches
= Required
= Optional
= Not Used