Utica Boilers SSV Installationsanweisungen

Allowed Range: 1 to 60 Minutes

Default Setting: 30 Minutes

Maximum time boiler operates in DHW mode limited by DHW 

Maximum Priority Time Setting.
Priority timer starts when both CH and DHW demand is present. 

Boiler will switch from DHW back to CH operation after Maximum 

Priority Time has elapsed. 
CH demand then has priority until Maximum Priority Time has 

elapsed.  
Process repeats until either CH or DHW demand satisfied.

System test can be activated via installer menu for testing 

system at fixed power rates. 
Boiler can be started without CH or DHW demand being present.   

System Test has priority over any system demand while test 

mode activated. 
System test mode automatically ends after 30 minutes boiler 

resumes normal operation.
The following modes are available:

•  Disabled
•  Low power - Burner starts. After ignition period has 

finished the burner stays at low power

•  Ignition power - Burner starts. Stays at ignition power
•  High power - Burner starts. After ignition period has 

finished burner stays at high power.

• Before running system test modes, check if hydronic 

system capable of dissipating heat.

• Both heat exchanger and CH pumps are activated during 

system test.

• During System Test Mode, boiler will run at fixed power 

rates until supply water temperature is 93°C/195°F

• All other safety functions remain active while in System 

Test Mode.