Zehnder Rittling FVH series, Installation, Operation And Maintenance Manual

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Equipment start-up checklist
Receiving and inspection
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Unit received undamaged
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Unit received complete as ordered
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Unit arrangement and handing is correct
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Unit structural support is complete and correct
Handling and installation
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Mounting grommets/isolators are used
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Unit mounted level and square
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Proper access is provided for unit and accessories
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Proper overcurrent protection is provided
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Proper service switch/disconnect is provided
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Proper chilled/hot water line sizes to unit
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All services to unit in code compliance
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All shipping screws and braces are removed
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Unit protected from dirt and foreign matter
Cooling/heating connections
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Protect valve package components from excessive
heat
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Pressure test all piping for leaks
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Ensure all valve package piping is sloped towards
inside of unit
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Install drain lines and traps, as required
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Insulate all piping, as required
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Connect risers from master FVM models to slave
FVS models
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If risers are shipped separately or are field provided,
connect risers to valve packages
Ductwork connections
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Install ductwork, fittings and grilles, as required
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Flexible duct connections at unit
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Proper supply and return grille type and size
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Control outside air for freeze protection
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Insulate all ductwork, as required
Electrical connections
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Refer to unit wiring diagram
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Connect incoming power service or services
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Install and connect “shipped loose” components
Unit start-up
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General visual inspection and system inspection
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Check for free and proper fan rotation
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Record electrical supply voltage and amperage
draw
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Check all wiring for secure connections
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Close all unit isolation valves
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Flush water systems
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After system has been flushed, ensure all isolation
valves are open
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Vent water systems, as required
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All ductwork and grilles are in place
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All unit panels are in place
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Filters are in place
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Start blowers, pumps, chillers, etc.
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Check for overload conditions on all units
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Check all ductwork and units for air leaks
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Balance water systems, as required
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Balance air systems, as required
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Record all final settings for future reference
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Check piping and walls for excessive vibration
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Check all dampers for proper operation
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Verify cooling operation
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Verify heating operation, where applicable
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Ensure all access covers and grilles are properly
installed
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Verify proper condensate flow