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System Commissioning
This section of the manual is designed to be used with the
“Commissioning of Integrated Combo System” worksheet.
The worksheet is designed to guide you through the start-up
process in a logical, step by step method which should mini-
mize the work and time involved in having the system meet
the designed parameters.
The following conditions are assumed:
• The air filter is in place
• All supply diffusers and return grilles are fully open and
unrestricted
• Hot water is available to the furnace
• The drain valve for the heating loop is closed
• The shut off valves for the heating loop are fully open
• The throttling valve for the heating loop (if applicable), is
fully opened
• Electrical power is available at the furnace
• The return air temperature from the house is approxi-
mately 70°F (21°C)