Title Page
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Project Name
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Location
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Prepared by
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Conducted on
Commissioning Checklist
HVAC System
Installation
Cabinet and General Installation
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Permanent labels affixed, including for fans
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Casing condition good: no dents, leaks, door gaskets installed
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Access doors close tightly - no leaks
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Boot between duct and unit tight and in good condition
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Vibration isolation equipment installed & released from shipping locks
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Maintenance access acceptable for unit and components
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Sound attenuation installed
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Thermal insulation properly installed and according to specification
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Instrumentation installed according to specification (thermometers, pressure gages, flow meters, etc.)
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Clean up of equipment completed per contract documents
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Filters installed and replacement type and efficiency permanently affixed
Piping and Coils
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No leaking apparent around refrigerant fittings
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All coils are clean and fins are in good condition
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All condensate drain pans clean and slope to drain per spec
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OSAT, MAT, SAT, RAT sensors properly located and secure (related OSAT sensor shielded)
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Sensors calibrated
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If split system, refrigerant piping in good condition and suction insulated
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P/T plugs and isolation valves installed per drawings
Fans and Dampers
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Supply fan and motor alignment appear correct
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Supply fan belt tension & condition good
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Supply fan protective shrouds for belts in place and secure
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Supply fan area clean
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Supply fan and motor properly lubricated
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Return/exhaust fan and motor aligned
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Return/exhaust fan belt tension & condition good
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Return/exhaust fan protective shrouds for belts in place and secure
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Return/exhaust fan area clean
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Return/exhaust fan and motor lube lines installed and lubed
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Filters installed and replacement type and efficiency permanently affixed--construction filters removed
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Filter pressure differential measuring device installed and functional (magnahelic, inclined manometer, etc.)
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All dampers close tightly
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All damper linkages have minimum play
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Motors: premium efficiency verified, if specified?
Compressor and Condenser
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Refrigerant sight glass clear of bubbles (if OSAT > 70F)
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Moisture indicator shows no moisture
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Correct oil level (check site glass during operation)
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Compressors and piping were leak tested, as required
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Crankcase heater on when unit is off
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Condenser coils clean and in good condition (air cooled)
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Adequate clearance for airflow around condenser
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Ducts (preliminary check)
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Duct joint sealant properly installed
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No apparent severe duct restrictions
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Turning vanes in square elbows as per drawings
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OSA intakes located away from pollutant sources & exhaust outlets
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Pressure leakage tests completed
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Branch duct control dampers operable
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Balancing dampers installed as per drawings and TAB’s site visit
Electrical and Controls
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Power disconnects in place and labeled
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All electric connections tight
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Proper grounding installed for components and unit
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Safeties in place and operable
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Current overload heaters installed and correct size
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Auxiliary heaters installed
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Sensors calibrated
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All building control system interlocks hooked up with packaged controls and functional
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Enthalpy control and sensor properly installed (if applicable)
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Related thermostats are installed
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Related building automation system points are installed
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All control devices and wiring complete
Testing, Adjusting and Balancing (TAB)
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Installation of system and balancing devices will allow balancing to be done per specified NEBB or AABC procedures & contract docs
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Safeties installed and safe operating ranges are established
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If unit is started and will be running during construction: have quality filters on RA grills, etc. to minimize dirt in the ductwork and coils and in any finished areas. Verify moisture migration is not a problem due to improper pressures between spaces.
Operation
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Supply fan rotation correct
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Return / exhaust fan rotation correct
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No unusual noise or vibration in supply and exhaust fans
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Condenser fan rotation correct (air cooled)
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Condenser fan acceptable noise and vibration (air cooled)
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Measure line to line voltage imbalance for 1/3 of the compressors: Compressor 1 Phase: (%Imbalance = 100 x (avg. - lowest) / avg.) Record all three-phase voltages. Imbalance less than 2%?
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Compressor 2 Phase: (%Imbalance = 100 x (avg. - lowest) / avg.) Record all three-phase voltages. Imbalance less than 2%?
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Record full load running amps for each compressor. Running less than max?
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Record full load running amps for each condenser fan. Running less than max?
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Fans > 5 hp Phase Checks: (% imbalance = 100 x (avg. - lowest) / avg.) Imbalance less than 2%?
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Inlet vanes aligned in housing, actuator spanned, modulate smoothly and proportional to input signal and EMS readout.
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All dampers (OSA, RA, EA, etc.) stroke fully without binding and spans calibrated and BAS reading site verified
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Valves stroke fully and easily and spanning is calibrated
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Valves verified to not be leaking through coils when closed at normal operating pressure
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The HOA switch properly activates and deactivates the unit
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Safeties installed and safe operating ranges for this equipment provided to the commissioning agent
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Specified sequences of operation and operating schedules have been implemented with all variations documented
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Specified point-to-point checks have been completed and documentation record submitted for this system
Pumping System
Installation
General Installation
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Label permanently affixed
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Pumps installed in place and properly grouted, bases filled
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Vibration isolation devices installed and functional
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Factory alignment checked and appears correct
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Field alignment, if required, completed
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Seismic anchoring installed
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Temperature and pressure gauges and sensors installed
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Pump and motor lubricated
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Pipe fittings completed and piping properly supported
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No leaks in pipe fittings and accessories at pump
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Piping and pump properly insulated
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Strainers in place and cleaned out
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Piping system properly flushed
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Valves properly tagged
Electrical and Controls
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Disconnect switches in place and labeled
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Electrical connections tight
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Proper grounding installed for components and unit
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Motor overloads calibrated
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Control system interlocks hooked up and functional
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Control devices, tubing and wiring complete
VFD
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VFD powered up and wired to controlled equipment
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VFD interlocked to control system
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Pressure or other controlling sensor properly located and per drawings and calibrated
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Controller location not subject to excessive temperatures
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Controller location not subject to excessive moisture or dirt
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Controller size matches motor size
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Internal settings designating the application are correct
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Input of motor FLA represents 105% to 115% of motor FLA rating
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Appropriate Volts vs Hz curve is being used; energy saver on?
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Accel and decel times are around 10-50 seconds, except for special applications.
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Upper frequency limit set at 100%, unless explained otherwise
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Unit is programmed with written programming record available
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VFD kW demand at panel matches BAS readout
Testing, Adjusting and Balancing (TAB)
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Installation of system and balancing devices will allow balancing to be done per specified NEBB or AABC procedures & contract docs
Operation
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The HOA switch properly activates and deactivates the unit under manual and automatic control.
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Pump rotation verified correct
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No unusual noise or vibration
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No leaking apparent around fittings
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Measure line to line voltage phase imbalance for each pump: (%lmbalance = 100 x (avg. - lowest) / avg.) Record imbalance of each pump. Imbalance less than 2%?
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Record full load running amps for each pump. FL amps x factor (Max amps). Running less than max?
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Specified sequences of operation and operating schedules have been implemented with variations documented
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Specified point-to-point checks have been completed and documentation record submitted for this system
Piping System
Installation
Piping
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Pipe fittings complete and pipes properly supported allowing for thermal expansion and contraction and building expansion joints.
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Pipe joints properly installed
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Required seismic anchoring installed
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Pipes properly labeled
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Pipes properly insulated
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Piping properly sloped
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Proper construction isolation
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Strainers in place and clean
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Isolation valves and balancing valves installed
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Test ports (P/T) installed near all control sensors and as per spec
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Piping system properly flushed and cleaned and temporary piping removed
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10% of strainers and Owner-selected low-point drains opened and witnessed by Owner to be clean.
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Piping hydrostatic pressure test completed according to contract documents
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No leaking apparent around fittings
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ASME pressure vessel data sheet or certification tag posted and inspection complete for each expansion tank and storage tank
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Expansion tanks verified to not be air bound and system completely full of water. System purged of air.
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Air vents and bleeds at high points of systems functional
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Water hammer arrestors installed and tested
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Backflow preventer proper location
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Adequate depth of bury for service piping
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Cross connection protection
Valves
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Valve tags permanently affixed
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Valves installed in proper direction
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Pressure reducing valves set at proper pressure
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No leaks
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Flexible connections at equipment installed
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Dielectric fittings for dissimilar metals installed
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Vibration Isolation installed
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Fire-rated pipe penetrations installed properly
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Valves that require a positive shut-off are verified to not be leaking when closed at normal operating pressure.
Sensors and Gages
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Temperature, pressure and flow gages and sensors installed.
Testing, Adjusting and Balancing (TAB)
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Installation of system and balancing devices allowed balancing to be completed following specified NEBB or AABC procedures and contract documents
Lighting System and Controls
Installation
Lighting Fixtures and Switches
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Light switches are located per plans
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Light switches are labeled with proper ID to match drawings or field changes
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Light switch is controlling the fixtures in the area indicated on design drawings
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Fixtures are properly supported for seismic zone
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Verify proper lamp type is installed in each fixture to match fixture schedule and specifications
Lighting Controls
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Lighting control is installed per manufacturer recommendations
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Lighting control is calibrated per manufacturer checklist
Completion
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Additional Comments
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Inspector Name & Signature
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Installer Name & Signature
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Contractor Name & Signature
