Start-Up And Checkout - Crown Boiler PHNTM120 Installation And Operation Instructions Manual

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Use the following procedure for initial start-up of the boiler:
1) Verify that the venting, water piping, gas piping and electrical system are installed properly.
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5) Fill the boiler and hydronic system with water meeting the following requirements below (also see the note on the next page):
‡ pH between 6.5 and 9.5
‡ Hardness less than 7 grains/gallon
‡ Chlorides less than 200ppm
‡ Pressurize the system to at least 12 psi at the boiler
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6) Bleed air from the heat exchanger using the manual air vent in the top left side of the heat exchanger (Figure 11.1). To do
this install a piece of ¼" ID clear tubing over the hose barb and route the tubing to a location where water will not damage
controls or nearby construction. Turn vent counter clockwise and allow heat exchanger to vent until a steady stream of water
is observed. Close vent and remove hose.
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ditional information on testing and purging gas lines.
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9) Inspect all wiring for loose, uninsulated or miswired connections.
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