5.3002.12 Cooling Equipment—Installation, Maintenance, and Commissioning— Mid and High Rise

Topic: 
Forced Air
Subtopic: 
Site Preparation
Desired Outcome: 
Equipment operates effectively and efficiently
For supporting material, see Referenced Standards.
TitleSpecification(s)Objective(s)
5.3002.12a
Chiller installation

Maximum weight of refrigerant in a single space will be in compliance with ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org

Refrigerant monitors will be installed in accordance with ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org

Refrigerant relief valve will be piped to the outdoors and have an alarm

Unit operational efficiencies will meet minimums as required by ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org 90.1

Structure will be able to support the unit

Vibration isolators will be provided

Manufacturer requirements will be followed when alternative storage methods for cooling towers are used (e.g., ice storage, ice tanks)

Reduce vibration to a non-objectionable level

Ensure optimum performance

5.3002.12b
Chiller maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

  • Tubes will be checked annually
  • Electrical check of system will be performed
  • Manufacturer-recommended maintenance procedures will be performed
  • Proper operation of leak detectors will be verified
  • Refrigerant charge will be verified

Ensure proper chiller maintenance

5.3002.12c
Chiller commissioning

Unit discharge temperature will be verified as called for by control system in accordance with the design documents

Inlet and outlet temperatures to condenser will be maintained in accordance with the design documents

Noise level will be maintained to be within designed criteria

Safety switches will be verified to operate when unsafe conditions occur

Ensure optimum performance

5.3002.12d
Split system installation

Condensate will be piped to a properly sized sanitary drain

Refrigerant type will be acceptable to the project type

Unit operational efficiencies will meet minimums as required by ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org 90.1

Structure will be able to support the unit

Each unit will be installed with a properly trapped condensate drain in accordance with manufacturer specifications (some situations require a pump)

Primary heating of newly installed split systems will not be electric resistance heat

Smoke detectors will be installed on systems that are greater than 2,500 cubic feet per minute ( CFM CFM Cubic feet per minute )

Appropriate lengths and elevations of refrigerant lines between condensing units and indoor coil will be used in accordance with manufacturer specifications

Proper location (e.g., property lines, windows, units, outside air intakes) and clearances will be maintained in accordance with manufacturer specifications

Environmental conditions will be considered when selecting and installing coils (e.g., special corrosion-protected units)

Ensure proper installation of split system

5.3002.12e
Split system maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

Filters will be replaced in accordance with manufacturer specifications

Annual cleaning of coil and drain pan will be performed

Condensate drains/traps will be inspected and verified operational

Proper operation of add-on equipment will be verified (e.g., UV UV Ultraviolet , humidifier, electrostatic filter)

Ensure proper maintenance of system

5.3002.12f
Split system commissioning

Proper operation of thermostats will be verified

Carbon dioxide (CO2) sensors will be calibrated

Proper operation of smoke alarms will be verified

Proper operation of mixed air damper will be verified

If present, proper operation of heating valve will be verified

Drains will be clear of debris and obstructions

Ensure optimum performance

5.3002.12g
Package system unit installation

Economizer (if installed) will be located away from pollutant sources

Condensate will be piped to a properly sized sanitary drain

Type of refrigerant will be verified as acceptable to the project type

Economizer/power exhaust or relief dampers will be verified for proper function and operation

Unit operational efficiencies will meet minimums as required by ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org 90.1

Structure will be able to support the unit

Each unit will be installed with a properly trapped condensate drain in accordance with manufacturer specifications (some situations require a pump)

New package systems will not have their primary heating be electric resistance heat

Unit will be installed with CO2 control in high occupancy spaces (demand control ventilation)

Smoke detectors will be installed on systems that are greater than 2,500 CFM CFM Cubic feet per minute

Proper location (e.g., property lines, windows, units, outside air intakes) and clearances will be maintained in accordance with manufacturer specifications

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy use

Minimize health concerns (e.g., Legionnaires' disease)

5.3002.12h
Package system unit maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

  • Filters will be replaced in accordance with manufacturer specifications
  • If applicable, blower belt, sheaves replacement, and alignment will be verified
  • If applicable, proper operation of the variable speed drive will be verified
  • Annual cleaning of evaporator and condenser coils, condensate trap, and drain pan will be performed

Proper operation of add-on equipment will be verified (e.g., UV UV Ultraviolet , humidifier, electrostatic filter)

Environmental conditions will be considered when selecting and installing coils (e.g., special corrosion-protected units)

Ensure proper maintenance of equipment

5.3002.12i
Package system unit commissioning

Before commissioning startup, test and balance reports will be provided

Thermostats or building automation control will be verified to be functioning properly

Properly working sequence of operations will be verified

Properly functioning outdoor air, return air, supply air, CO2, and enthalpy sensor will be verified (if installed)

Proper operation of mixed air damper will be verified

Proper operation of reversing valve will be verified in heat pump units

Drains will be clear of debris and obstructions

Proper operation of motorized dampers will be verified

In 3-phase units, the correct rotation of blower, condenser fans, and compressor will be verified

Correct voltage level coming into unit will be verified

Proper heating and cooling operation will be verified as in accordance with manufacturer specifications

In heat pumps, proper defrost cycle operation will be verified

Proper operation of safety switches will be verified

Ensure optimum performance

5.3002.12j
Variable refrigerant flow (VRF) installation

Building electrical characteristics, such as voltage and phase, will be checked to ensure proper equipment is selected

Maximum weight of refrigerant in a single space will not exceed the maximum allowed by ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org

Total equivalent length of refrigerant piping will not exceed manufacturer rating

Proper location and clearances will be maintained in accordance with manufacturer specifications

Each unit will be installed with a condensate drain (some situations require a pump)

Wall-mounted thermostats will be used

Location of branch controller will be selected for non-occupied areas

Outdoor air ventilation filter will be present

Reduce noise

5.3002.12k
VRF maintenance

Filters will be replaced in accordance with manufacturer specifications

Annual cleaning of indoor and outdoor coils will be performed

Environmental conditions will be considered when selecting and installing coils (e.g., special corrosion-protected units)

Ensure proper maintenance

5.3002.12l
VRF commissioning

Thermostats will be verified to be functioning properly

If installed, operation of ventilation damper will be verified

Proper refrigerant charge will be verified

Power supply will be verified (single phase units supply power from the outdoor units to the indoor units)

Reduce total system cost

Ensure equipment operates at optimal efficiency

Ensure equipment durability

5.3002.12m
Ductless mini split installation

System will be a ductless mini split and not a VRF system

Ductwork will not be installed

Building phase will be checked to ensure proper equipment is selected

Total equivalent length of refrigerant piping will not exceed manufacturer specifications

Proper location and clearances will be maintained in accordance with manufacturer specifications

Each unit will be installed with a condensate drain (some situations require a pump)

Wall-mounted thermostats will be used

Reduce total system cost

Ensure equipment operates at optimal efficiency

Ensure equipment durability

5.3002.12n
Ductless mini split maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

  • Filters will be replaced in accordance with manufacturer specifications
  • Annual cleaning of indoor and outdoor coils will be performed

Reduce total system cost

Ensure equipment operates at optimal efficiency

Ensure equipment durability

5.3002.12o
Ductless mini split commissioning

Thermostats will be verified to be functioning properly

Ventilation damper will be operational if outside air ducting is available, and airflow will be adjusted to provide the proper amount

Reduce total system cost

Ensure equipment operates at optimal efficiency

Ensure equipment durability

5.3002.12p
Package terminal air conditioner (PTAC) or package terminal heat pump (PTHP) installation

PTAC sleeve will be sealed to envelope Envelope The separation between the interior and exterior environments of a building that includes a combination of air and thermal barrier

Condensate will be piped away from the building when required by manufacturer specifications

Ducted PTACs will be used for conditioning multiple rooms

Structure will be able to support the unit

PTAC will be selected with outdoor air intake unless other ventilation strategy is present

Each unit will be installed with a condensate drain (some situations require a pump)

Environmental conditions will be considered when selecting and installing coils (e.g., special corrosion-protected units)

Ensure equipment operates at optimal efficiency

Ensure equipment durability

5.3002.12q
PTAC or PTHP maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

  • Filters will be replaced in accordance with manufacturer specifications
  • Drains will be clear of debris and obstructions
  • Annual cleaning of coils will be performed

Ensure equipment operates at optimal efficiency

Ensure equipment durability

5.3002.12r
PTAC or PTHP commissioning

Thermostats will be verified to be functioning properly

Ventilation damper will be operational if outside air ducting is available

If present, proper operation of heating valve will be verified

Drains will be clear of debris and obstructions

Ensure equipment operates at optimal efficiency

Ensure equipment durability

5.3002.12s
Cooling towers installation

Location of unit will minimize overspray and noise impact on neighboring properties

Overspray will not be directed toward air intakes

Structure will be able to support the unit

Vibration isolators will be provided

Elevation of tower will be selected in relation to the net positive suction head required at the pump and in accordance with manufacturer specifications

Appropriate drainage will be available in accordance with local code

Capacity control will be in accordance with the sequence of operations (e.g., two-speed or variable speed)

Manufacturer specifications will be followed when alternative storage methods are used (e.g., ice storage, ice tanks)

Environmental design conditions will account for sump heaters, water treatment requirements, conservation regulations, and possible restrictions of usage

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy usage

Minimize health concerns (e.g., Legionnaires' disease)

5.3002.12t
Cooling towers (rain water option) maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

  • Manufacturer-recommended maintenance procedures will be performed
  • Media will be cleaned
  • Strainers will be cleaned
  • Motors and/or belts will be serviced
  • Drains will be clear of debris and obstructions
  • Water treatment levels will be maintained
  • Debris will be cleaned from sump
  • Annual cleaning of coils will be performed
  • Structural supports will be checked

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy use

Minimize health concerns (e.g., Legionnaires' disease)

5.3002.12u
Cooling towers commissioning

Unit installed to manufacturer specifications will be verified

Secondary overflow drain operation will be verified

Proper operation of make-up water level detector will be verified

If multitowers exist, proper operation of the equalizer line will be verified

If applicable, proper sump heater operation will be verified

Proper installation of water treatment will be verified

If rain water system is used, proper operation of controls will be verified

Proper installation of tower fill media will be verified

Capacity controls operating in accordance with the sequence of operations will be verified

If applicable, proper operation of submeter will be verified

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy use

Minimize health concerns (e.g., Legionnaires' disease)

5.3002.12v
Economizers installation

Economizer, if installed, will be located away from pollutant sources

Need for economizer outdoor air damper will be determined in accordance with ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org 90.1 minimum requirements or local code

Unit will be installed with carbon dioxide (CO2) control in high occupancy spaces (demand control ventilation)

If unit economizer is part of fire life safety function, it will be tested for proper operation and control

Economizer, power exhaust, or relief dampers will be verified for proper function and operation

Minimize health concerns

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

5.3002.12w
Economizers maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

CO2 and temperature/enthalpy sensors will be calibrated

Smoke detector operation will be verified

Proper motorized damper operation will be verified

Lubrication and damper linkage adjustments will be maintained

Minimize health concerns

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

5.3002.12x
Economizers commissioning

Properly working sequence of operations will be verified based on manufacturer specifications

Proper operation of the outdoor air, return air, supply air, CO2, and enthalpy sensor will be verified based on manufacturers specifications

Proper operation of mixed air damper will be verified based on manufacturer specifications

Proper operation of motorized dampers will be verified based on manufacturer specifications

Smoke detector and CO2 sensor interaction with the damper will be verified based on manufacturer specifications

Pressure relief system will be verified as working when economizer is open

Minimize health concerns

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

5.3002.12y
Water source heat pump installation

Condensate will be piped to a properly sized sanitary drain

Type of refrigerant will be acceptable to the project type

Unit operational efficiencies will meet minimums as required by ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org 90.1

Structure will be able to support the unit

Each unit will be installed with a properly trapped condensate drain in accordance with manufacturer specifications (some situations require a pump)

Unit will be installed with CO2 control in high occupancy spaces (demand control ventilation)

Smoke detectors will be installed on systems that are greater than 2,500 CFM CFM Cubic feet per minute

Two-way valves will be installed that open when the thermostat calls for heating or cooling

Minimize health concerns

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

5.3002.12z
Water source heat pump maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

Filters will be replaced in accordance with manufacturer specifications

Annual cleaning of the coil and drain pan will be performed

Proper operation of add-on equipment will be verified (e.g., UV UV Ultraviolet , humidifier, electrostatic filter)

Thermostats will be verified to be functioning properly

CO2 sensor will be calibrated

Smoke detector operation will be verified

Environmental conditions will be considered when selecting and installing coils (e.g., special corrosion-protected units)

Minimize health concerns

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

5.3002.12aa
Water source heat pump commissioning

Thermostats will be verified to be functioning properly

Proper operation of mixed air damper will be verified

Proper operation of two-way valve will be verified

Drains will be clear of debris and obstructions

Minimize health concerns

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

5.3002.12ab
Fan coil units installation

Four-pipe systems, where applicable, will be installed in order to take advantage of simultaneous heating and cooling

Condensate will be piped to a properly sized sanitary drain

Adequate structural support will be verified for unit

Each unit will be installed with a properly trapped condensate drain in accordance with manufacturer specifications (some situations require a pump)

Unit will be installed with CO2 control in high occupancy spaces (demand control ventilation)

Filtration minimum efficiency reporting value ( MERV MERV Minimum efficiency reporting value ) level will be appropriate for type of space and equipment

If the building operates with a pneumatic system, the following components will be serviced and maintained: air compressor, air dryer system, thermostats, actuators, receiver controllers, sensors, and miscellaneous components, such as pneumatic electric, electric pneumatic solenoid, and solenoid switches

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy usage

Minimize health concerns (e.g., Legionnaires' disease)

5.3002.12ac
Fan coil units maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

Filters will be replaced in accordance with manufacturer specifications

Annual cleaning of the coil and drain pan will be performed

Proper operation of add-on equipment will be verified (e.g., UV UV Ultraviolet , humidifier, electrostatic filter)

Thermostats will be verified to be functioning properly

CO2 sensor will be calibrated

Smoke detector operation will be verified

Environmental conditions will be considered when selecting and installing coils (e.g., special corrosion-protected units)

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy use

Minimize health concerns (e.g., Legionnaires' disease)

5.3002.12ad
Fan coil units commissioning

Thermostats will be verified to be functioning properly

If applicable, proper operation of heating and cooling valve will be verified

Drains will be clear of debris and obstructions

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy use

Minimize health concerns (e.g., Legionnaires' disease)

5.3002.12ae
Wall furnace installation

Penetrations through exterior walls will be sealed with the appropriate air sealing material

Adequate structural support will be verified for unit

A carbon monoxide detector will be installed in the rooms where the wall furnace is located

Filtration MERV MERV Minimum efficiency reporting value level will be appropriate for type of space and equipment

Ensure occupant health and safety

Ensure system efficiency

5.3002.12af
Wall furnace maintenance

Maintenance will be scheduled in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / ACCA ACCA Air Conditioning Contractors of America, www.acca.org / ASHRAE ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org Standard 180 Standard Practice for Inspection and Maintenance of Commercial Building HVAC HVAC Heating, ventilation, and air conditioning Systems

Maintenance procedures include, but are not limited to, the following:

Filters will be replaced in accordance with manufacturer specifications

Thermostats will be verified to be functioning properly

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy use

5.3002.12ag
Wall furnace commissioning

Thermostats will be verified to be functioning properly

Filters will be verified to be clear of debris

Temperature rise will be within manufacturer specifications

Gas pressure will be within manufacturer specifications

A combustion analysis test will be performed and documented

Ensure equipment operates at optimal efficiency

Ensure durability of equipment

Minimize energy use