49
To complete the function check:
• Power supply (120V; 60Hz + T-fuse)
• Gas Pressure - (See Sections 7-1 and 7-2)
FIGURE 9-2 - Commissioning Function Flow Chart
Power Supply
Display shows
"000"
Long Push
(x 6 sec)
Display shows "On"
x 3 sec
Pump On
Display shows "312"
Deaeration
About 10 min
Open Heat Exchanger
Aeration (purge) Valve
Boiler Decides If Deaeration
OK?
Boiler ready for
CH/DHW request
Boiler Displays Temperature
Display
shows
Short
push
Unstable Power
supply?
Check/Restore
E118 or 000
Low water Pressure
too low (< 8 psig)
Check Restore
YES
NO
NO
NO
YES
YES
Display
Goes Back to
"000"(See
Note)
NO
DONE
Gas Supply
Pressure
Natural Gas
LP
Min
Max
Min
Max
3.0
10.5
5.0
13.5
PN 240012369, REV A [08/31/2018]
9 - START UP PROCEDURE
