| 5.3003.11a
Removal of mercury- based thermostats | Mercury-based thermostat will be removed safely and disposed of in accordance with
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
regulations | Protect workers and occupants from injury Protect environment from damage |
| 5.3003.11b
Removal of existing controls | Existing controls will be removed in accordance with
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
lead safe work rules | Protect workers and occupants from injury Protect environment from damage |
| 5.3003.11c
Penetrations | Penetrations for control wiring will be sealed with a durable sealant (e.g., caulk, silicone, foam) at both the interior (e.g., floor, sheetrock) and exterior air barriers (e.g., bottom liner, side walls) | Ensure controls operate as designed Minimize
infiltration
Infiltration
The uncontrolled passage of outside air into a building through unintended leaks in the building envelope
and
exfiltration
Exfiltration
The uncontrolled passage of inside air out of a building through unintended leaks in the building envelope
from house |
| 5.3003.11d
Thermostat location | Thermostats will be installed to reflect the temperature of the zone in which they are installed Mounting location for air leakage and conductance that would affect the thermostat operation (e.g., marriage walls, exterior walls) will be accessed Thermostats will not be exposed to extreme temperatures, radiant heat sources, and drafts | Ensure controls operate as designed |
| 5.3003.11e
Blower speed | Blower speed will be set for equipment in accordance with manufacturer specifications | Ensure equipment has correct air flow |
| 5.3003.11f
Thermostat selection: heat pump | A thermostat with supplementary heat lockout that can interface with an outdoor temperature sensor will be selected | Ensure supplementary heater operation is prevented when the heat pump is capable of meeting the load |
| 5.3003.11g
Heat pump: supplementary heat | Supplementary heat lockout on air-to-air heat pumps will be set to the economical balance point
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ACCA
ACCA
Air Conditioning Contractors of America, www.acca.org
3 Manual S-2004 Residential Equipment Selection will be referenced for set points when using different types of heat pumps | Ensure supplementary heater operation is prevented when the heat pump is capable of meeting the load |
| 5.3003.11h
Heat pump: low ambient compressor lockout | For air-to-air heat pumps, low ambient compressor lockout will be set to 0°F outdoor temperature or ambient compressor lockout will be disabled
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ACCA
ACCA
Air Conditioning Contractors of America, www.acca.org
3 Manual S-2004 Residential Equipment Selection will be referenced for low ambient compressor lockout when using different types of heat pumps | Ensure supplementary heater operation is prevented when the heat pump is capable of meeting the load |
| 5.3003.11i
Heat pump: outside temperature sensor | An outdoor temperature sensor will be installed in accordance with manufacturer specifications | Ensure equipment operates as designed |
| 5.3003.11j
Heat pump: supplementary heat wiring | Supplementary heat will be wired onto second stage heating terminal in accordance with manufacturer specifications | Do not operate supplementary heat in stage one heating |
| 5.3003.11k
Thermostat: installer programming | The installer options will be set to match the thermostat to the equipment and control board settings | Ensure equipment operates as designed |
| 5.3003.11l
Time delay settings | Time delay for equipment will be set in accordance with manufacturer specifications and as appropriate for the climate zone (e.g., no time delay for hot humid climates) | Maximize transfer of heat without adversely affecting indoor humidity levels |
| 5.3003.11m
Humidistat: location | Humidistat will be installed to reflect humidity of the zone in which it is installed Humidistat will be installed in a dry location | Ensure controls operate as designed |
| 5.3003.11n
Ventilation control | Ventilation controls will be connected to operational control system, as originally designed in the factory Powered ventilation system alarm will be set to "on;" controls will be reset to factory settings | Ensure proper operation of the mechanically dampered and powered ventilation systems |
| 5.3003.11o
Occupant education | Occupants will be educated on proper use of thermostat, including: - Proper use of setbacks for air conditioners and heat pumps
- Allowing occupant comfort to determine setback for combustion heating appliances
- Using emergency heat appropriately
- Educate property manager/occupant about fan on/auto or vent/auto operations
- Educate the property manager/occupant about ventilation, as it applies to controls
- Instruct the property manager/occupant to never leave the fan set to "on" or "vent" in humid climates
- Educate property manager/occupant about possible moisture problems when thermostat is set low for extended periods of time during the summer
| Ensure equipment and controls operate as designed Provide comfort throughout house Ensure property manager/occupant knows how to operate the system Minimize moisture problems |
