Weil-McLain Eco Tec 2 Series Advanced Manual page 25

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ECO Tec series 2 gas-fired water boiler – advanced manual
EXPRESS Setup — Typical Application B
Boiler Model, Altitude and Fuel Type are critical settings.
injury, death or substantial property damage.
Figure 12 Typical Application B — multiple boiler system ECO Tec Heating Only boilers— setup requirements
(parameters not listed below can be left at factory default settings unless special needs indicate different
settings)
Boiler Wiring and Control Settings
Boiler TT Wired
ID input from:
1 Zone 1 Tstat
2 Zone 2 Tstat
1
Master
3 No Wire
4 Zone 3 Tstat
1 Zone 4 Tstat
2 Zone 5 Tstat
2
Shadow
3 Zone 6 Tstat
4 Zone 7 Tstat
1 Zone 8 Tstat
2 Zone 9 Tstat
3
Shadow
3 Zone 10 Tstat
4 Zone 11 Tstat
1 DHW1 Aquastat
2 DHW2 Aquastat
4
Shadow
3 DHW3 Aquastat
4 Zone 12 Tstat
** System circulator will not be used if system is circulator zoned. Aux Pump/Output would not be required.
*** Outputs are 120 VAC maximum 2.2 amps. Use relay for other voltages or higher amperages.
Priority #
Run Blr Pump
Priority 2 – Network 1
Run Aux Output
* Min Blrs setting is accessible in the Priority menus (see Figure 38, page 68).
+ Cannot be changed.
Part number 550-100-272/1021
Input
Assignment
Priority 3 - Network 2
Priority 3 - Network 2
Aux Pump/Output **
Priority 3 - Network 2
Priority 3 - Network 2
Priority 3 - Network 2
Priority 3 - Network 2
Priority 3 - Network 2
Priority 3 - Network 2
Priority 3 - Network 2
Priority 3 - Network 2
Priority 3 - Network 2
Priority 2 - Network 1
Priority 2 - Network 1
Priority 2 - Network 1
Priority 3 - Network 2
An additional Zone CIRC. could be used here, instead.
Priority Settings
Setting Value
System Type DHW
YES +
NO
Select as needed for quick
Min Blrs *
response
Failure to set correctly could result in severe personal
(See Figure 11, page 21 for items referenced)
Aux
Option
N/A
N/A
Any TT Input By It's Priority Settings
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Priority # Setting
System Type
Priority 3 – Network 2
Run Blr Pump
Run Aux Output
N/A
(cont.)
Wired to:
Output
***
1 Zone 1 Circ/Valve
2 Zone 2 Circ/Valve
3 System Circ **
4 Zone 3 Circ/Valve
1 Zone 4 Circ/Valve
2 Zone 5 Circ/Valve
3 Zone 6 Circ/Valve
4 Zone 7 Circ/Valve
1 Zone 8 Circ/Valve
2 Zone 9 Circ/Valve
3 Zone 10 Circ/Valve
4 Zone 11 Circ/Valve
1 DHW 1 Circ
2 DHW 2 Circ
3 DHW 3 Circ
4 Zone 12 Circ/Valve
Value
Select heating
system type
YES +
YES
N/A N/A
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