PB Heat 211A manual Starting the Boiler

STARTING THE BOILER

10. STARTING THE BOILER

A.CHECK THE PIPING

1.Water and Steam Piping

a.The Boiler must have been hydrostatically tested.

b.Check the attached piping for joint tightness.

c.Continue monitoring as you proceed through start up.

2.Gas Piping

a.Make sure the gas system piping and the connections to the boiler Gas Control Train(s) have been leak tested.

b.After the boiler is in operation, check the tightness of all joints in the boiler gas piping with a soap suds solution.

c.Purge the gas piping of all air up to the boiler Gas Control Train.

B.FILL THE BOILER

1.Fill the boiler to the normal water line.

a.Gravity Systems and Pumped Return with Condensate Units Fill to 40-1/2" (103 cm) above the boiler foundation (center of gauge glass).

b.Pumped Return with Boiler Feed Unit–Fill the boiler using the boiler feed unit. Fill level will depend on the control being used, but should be 40-1/2" (103 cm) above the boiler foundation (just below center of gauge glass) when the pump stops.

C.STUDY LIGHTING INSTRUCTIONS

1.Before starting the boiler, study the Lighting Instructions supplied with the boiler.

D.RUN PILOT CHECK-OUT

1.Shut off all electrical power to the boiler.

2.Close Main and Pilot gas shut-off valves. Wait for five (5) minutes.

3.Set the Operating and Limit Pressure Controls to minimum setting so they will not call for heat.

4.Perform Pilot Check:

a.Turn main electric disconnect switch to the ON position.

b.Turn up the settings on the Operating and Limit Pressure Controls so they will call for heat.

c.Check for a continuous spark at the electronic spark-ignited pilot(s).

d.Electronic spark-ignited pilot systems–The control will spark for 15 seconds (trial for ignition), then shut down for a 5 to 6 minute wait period before attempting another ignition.

e.Electronic standing pilot systems–Within 15 seconds the control will click, indicating a safety lockout.

f.Turn down the Operating Pressure Control to stop the call for heat.

g.Wait 60 seconds to allow the control to reset before proceeding with the next step.

5.Light Manual Pilots

a.Follow the procedure in the Lighting Instructions to manually light any standing pilots.

6.Electronic Spark-Ignited Pilot Ignition Check

a.Turn up the Operating Pressure Control for a call for heat.

b.The electronic spark-ignited pilot(s) should ignite.

c.Turn down the Operating Pressure Control to stop the call for heat.

d.The spark-ignited pilot(s) should shut off.

7.Check Main Burner Ignition

a.With the Operating Pressure Control turned down, open the main gas shut-off valve(s).

b.Turn up the Operating Pressure Control for a call for heat.

c.The electronic spark-ignited pilot(s) should ignite.

d.The main gas valves will then open and the main burners should ignite.

e.Turn down the Operating Pressure Control to stop the call for heat.

f.The electronic spark-ignited pilot(s) and main burners should shut off.

E.CHECK MAIN BURNER SYSTEM

1.Remove the pressure test plug at the Main gas shut- off valve. Attach a U-tube manometer.

2.Restart the boiler by turning up the Operating Pressure Control for a call for heat.

3.Leak test all gas train joints with a soap suds solution.

4.Check the gas pressure at the entrance to the Gas Control train.

a.The pressure reading under flow should be between 5 and 14 inches water column (1.7 and

3.5kPa).

b.If the pressure to the Gas Control Train exceeds 14 inches (3.5 kPa) under any conditions, the system must be provided with a lockup type gas pressure regulator to provide 14 inches (3.5 kPa) maximum.

5.Check the Manifold gas pressure.

a.Remove the 1/8" pipe plug from the manifold gas pressure tapping.

b.Attach a U-tube manometer.

c.Adjust the Main Gas Pressure Regulator to obtain

3.5inches water column (.9 kPa) on Natural Gas 10 inches water column (2.5 kPa) on Propane (LP) Gas.

d.NOTE: If the pressure is adjusted to set the nameplate input to the boiler, do not set it more than 0.3 inches (75 Pa) plus or minus from the specified settings. If more adjustment to the rate is needed, it must be done by changing the burner gas orifices.

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