Absolute Boilers 750-900-1050
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Absolute Boilers 750-900-1050
7. Commissioning:
DANGER
If you do not follow the commissioning instructions exactly, a fire or explosion may result causing property damage,
personal injury or loss of life.
7.1 Pre operational checks
1. Check power supply ensure fused and service disconnect provided as required by local code or authorities having
jurisdiction.
2. Check gas connection to boiler and check for gas leaks, purge gas according to local codes or authorities having
jurisdiction.
3. Check gas supply pressure on inlet of gas valve test point ID # 3, a test port with plug has been provided, loosen
set screw and connect a manometer and confirm greater than 3.5 inch w.c. gas pressure is measured.
4. Check flue and air vent connections
5. Ensure boiler is fully filled with water and all air is purged, the boiler pressure shall be at least 11 psig.
6. Check pumps for correct flow capacity and flow direction
7. Ensure relief valve is properly connected, sized and piped to nearby drain
8. Fill condensate P trap assembly, if Ph neutralizer used, ensure no obstructed flow through neutralizer to drain.
Ensure all piping of condensate is gravity feed to drain.
9. Check water connections to the system are correct and all isolation valves are open
10. Check to ensure boiler drain connection is provided.
11. Ensure boiler has been installed and properly mounted to the boiler pad if provided, anchoring of boiler per local
codes and seismic
12. Ensure required service area has been provided around boiler as recommended.
7.2 Safety and lighting instructions
1. Turn ON main power supply
2. Turn OFF firing valve
3. Open the main gas valve
4. Check the gas connections for leaks
5. Ensure boiler is open to system, pumps ON and adequate flow is provided through boiler.
6. Adjust the boiler controls to heat demands > 11 psi).
7. The boiler should start and check start interlocks and start purge and pre-ventilation purge position
8. The boiler will automatically go into the ignition phase and then shut down on the ignition /flame failure
9. Reset the control duct or air supply connections.
10. Open the firing valve
11. Check the ignition quality and flame stability and flame signal, the minimum flame signal shall be at least 5 umA/V,
normally the flame signal shall range from 8 to 32 umA/V
