Operating instructions

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GT 300 A/II 31/08/06 - /ND
27 Hydraulic test
For USA: After assembling the boiler body, the installer must carry out a water tightness test at a pressure equal to 1.5 times the operating
pressure (that is 108 PSI minimum) for 10 minutes at least.
The test must be done at room temperature.
For Canada: After assembling the boiler body, the installer must carry out a water tightness test at a pressure equal to 1.5 times the operating
pressure (that is 81* PSI minimum) for 30 minutes at least.
The test must be done at room temperature.
*: 59 PSI minimum in Alberta.
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Ensure that all the air in the boiler is vented to avoid any bursting of the body.
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