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Part number 550-100-252/0520
– 19 –
Fast-Track Setup — Typical Application B (cont.)
Boiler Model, Altitude are critical settings. Failure to set correctly could result in severe personal injury, death or
substantial property damage.
Figure 11 Typical Application B — multiple boiler system — setup requirements (parameters not listed below can
be left at factory default settings unless special needs indicate different settings)
Alternate piping: DHW circuit piped elsewhere in system — If the DHW circuit is piped elsewhere in the
system, the above settings will work only if the System Pump is activated during DHW calls for heat. To set the control
for this, set PRIORITY 2 — NETWORK 1 with RUN AUX PUMP/ OUTPUT set to YES instead of NO.
Boiler Wiring and Control Settings (See Figure 10, page 18 for items referenced)
Boiler
ID
TT
input
Wired
from:
Input
Assignment
Aux
Option
Output
Wired to:
***
1
Master
1 No Wire Aux Pump/Output ** Any TT Input By It's Priority Settings 1 System Circ (Item 6) **
2 Zone 1 Tstat Priority 3 - Network 2 N/A 2 Zone 1 Circ/Valve
3 Zone 2 Tstat Priority 3 - Network 2 N/A 3 Zone 2 Circ/Valve
2
Shadow
1 Zone 3 Tstat Priority 3 - Network 2 N/A 1 Zone 3 Circ/Valve
2 Zone 4 Tstat Priority 3 - Network 2 N/A 2 Zone 4 Circ/Valve
3 Zone 5 Tstat Priority 3 - Network 2 N/A 3 Zone 5 Circ/Valve
3
Shadow
1 Zone 6 Tstat Priority 3 - Network 2 N/A 1 Zone 6 Circ/Valve
2 Zone 7 Tstat Priority 3 - Network 2 N/A 2 Zone 7 Circ/Valve
3 Zone 8 Tstat Priority 3 - Network 2 N/A 3 Zone 8 Circ/Valve
4
Shadow
1 DHW1 Tstat Priority 2 - Network 1 N/A 1 DHW1 Circ
2 DHW2 Tstat Priority 2 - Network 1 N/A 2 DHW2 Circ
3 DHW3 Tstat Priority 2 - Network 1 N/A 3 DHW3 Circ
** 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 Settings
Priority # Setting Value Priority # Setting Value
Priority 2 – Network 1
System Type DHW
Priority 3 – Network 2
System Type
Select heating
system type
Run Blr Pump YES Run Blr Pump YES
Run Aux Output NO Run Aux Output YES
Min Blrs *
Select as needed for quick
response
* Min Blrs setting is accessible in the Priority menus (see Figure 36, page 57). It is not included in the Wizard setup options.
SVF
™
Series 1
COMMERCIAL CONDENSING GAS-FIRED WAT ER BOILER
— Advanced Manual
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