| 5.3003.37a
Removal of mercury-based thermostats | Mercury-based thermostats 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 the environment from damage |
| 5.3003.37b
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 |
| 5.3003.37c
Penetrations | Penetrations for control wiring will be sealed with a durable sealant (e.g., caulk, silicone, foam) Penetrations through fire walls will be sealed with a fire-rated material | 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 building Prevent pest infestation |
| 5.3003.37d
Thermostat location | Thermostats will be installed to reflect the temperature of the zone in which they are installed Thermostats will not be exposed to extreme temperatures, radiant heat sources, warm/cold walls, and drafts | Ensure controls operate as designed |
| 5.3003.37e
Blower speed | Total airflow will be measured in accordance with
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ACCA
ACCA
Air Conditioning Contractors of America, www.acca.org
Standard 5 or
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
Standard 111 and adjusted to meet design requirements | Ensure the equipment has correct air flow |
| 5.3003.37f
Thermostat selection: heat pump | A thermostat with equipment supplementary heat lockout that can interface with an outdoor temperature sensor will be selected | Maximize the heating output of the compressor (heat pump mode eliminates supplementary heat) to achieve energy efficiency |
| 5.3003.37g
Heat pump: supplementary heat | Thermal and economic balance point will be calculated and an optimum thermal balance point will be selected in accordance with
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
ACCA
ACCA
Air Conditioning Contractors of America, www.acca.org
Manual S The design of variable refrigerant flow systems are permitted to not require supplementary heat | Maximize the heating output Maximize the heating output of the compressor (heat pump mode eliminates supplementary heat) to achieve energy efficiency |
| 5.3003.37h
Heat pump: outdoor temperature sensor | An outdoor temperature sensor will be installed in accordance with manufacturer specifications | Ensure equipment operates as designed |
| 5.3003.37i
Heat pump: supplementary heat control wiring | Supplementary heat will be wired onto second stage heating terminal (W2) | Do not operate supplementary heat in stage one heating |
| 5.3003.37j
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 |
| 5.3003.37k
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 the transfer of the heat without adversely affecting indoor humidity levels |
| 5.3003.37l
Humidistat: location | Humidistat will be installed to accurately reflect humidity of the zone in which it is installed | Ensure controls operate as designed |
| 5.3003.37m
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
| Ensure equipment and controls operate as designed Provide comfort throughout building |
| 5.3003.37n
Central controller | Wiring and sensors will be installed in accordance with manufacturer specifications | Educate building manager to monitor and control the entire building |