7.8102.7a
Health concerns in the removal and replacement of equipment (e.g., asbestos) will be identified
Upon the discovery of hazardous material, written notification and contact information for regional
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
asbestos coordinator will be provided to appropriate people (e.g., occupant/building operations staff/property manager)
Property manager will be asked to contract with an
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
-certified asbestos contractor to conduct abatement before decommissioning and replacement (property manager is responsible for abatement or remediation)
Remediate health hazards using
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
-certified contractors
7.8102.7b
Decommission the applicable system components by completing the following in accordance with accepted industry procedures and practices:
Remove old water heater and associated components Safely disconnect and secure any abandoned utility (fuel and electric) connections Ensure worker/occupant/building operations staff/property manager health and safety
Preserve the integrity of the building and services
Remove old equipment in a timely and efficient manner
7.8102.7c
Storage tank will be installed and plumbed to allow for inspection, maintenance, and replacement of the appliance and its components
Anode rod will be accessible for replacement
Ensure the storage tank can be easily maintained and replaced
7.8102.7d
Solar collector will be installed and plumbed to allow for inspection, maintenance, and replacement of the appliance and its components
There will be a path that allows the solar collector to be safely accessed without damaging the roof
Ensure solar collector can be easily maintained and replaced
7.8102.7e
Installation of the solar collector will not exceed the structural capability of the building (e.g., dead load, wind load)
Solar collectors will be sited to minimize shading factor and maximize solar gain
Maximize system performance with minimal negative impacts on the structure and occupant/building management/building operations staff
7.8102.7f
Solar collectors, storage tank, and associated components will be installed in accordance with local codes, accepted industry standards and practices, and manufacturer specifications
Roof penetrations will be sealed in conformance with the applicable code adopted by the jurisdiction
Ensure the health and safety of the worker/occupant/building operations staff/property manager
Preserve the integrity of the building
Maximize performance
7.8102.7g
The system will incorporate freeze protection for applicable climates, including, but not limited to, closed glycol loops, drain back systems, supplemental heat, or other methods, as approved by local code and manufacturer specifications
Prevent freezing liquid in pipes in cold weather climates
7.8102.7h
In instances where a leak could cause damage, a drain pan will be installed under the storage tank in accordance with manufacturer specifications and the following criteria:
Connected to 3/4" drain line or larger to tapping on pan Run to drain, pump, or daylight Collect and safely dispose of water escaping from the storage tank
7.8102.7i
Correct temperature and pressure relief valve will be installed in accordance with manufacturer specifications
Storage tank will be connected to properly sized discharge tube and run to a safe location no greater than 6" from the floor or as prescribed by local code (in the absence of local code, as prescribed by UPC)
Solar collectors will be connected to properly sized discharge tube and run to a safe location, as prescribed by local code (in the absence of local code, as prescribed by UPC)
When applicable, safely discharge excessive energy (pressure or temperature) from the storage tank and collectors to a safe location
7.8102.7j
Dielectric unions (dielectric insulator), if needed, will be installed in accordance with manufacturer specifications
Minimize corrosion between dissimilar metals
7.8102.7k
When electric equipment (e.g., pumps motors) is used in conjunction to or connected to the solar water heater, the electrical connection should be made per manufacturer's instructions and per
NEC
NEC
National Electrical Code
(
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70)
Break the stray voltage electrical circuit through the appliance
7.8102.7l
Backflow prevention will be installed in accordance with manufacturer specifications and all applicable codes
Backflow devices shall be tested by a certified backflow assembly tester at the time of installation, repair, or relocation, and not less than on an annual schedule or more often where required by local code
Protect potable water supply from contamination
7.8102.7m
All piping and fittings will be insulated with fixed insulation to
IECC
IECC
International Energy Conservation Code
2012 or
ASHRAE
ASHRAE
American Society of Heating, Refrigerating and Air-Conditioning Engineers, www.ashrae.org
90.1-2010, at a minimum
Pipe insulation exposed to the sun will be protected from ultraviolet radiation and other damage
Reduce line losses
Prevent insulation from deteriorating
7.8102.7n
Ventilation and clearances will be provided under solar collectors in accordance with manufacturer specifications and local code
Prevent damage to solar collectors, mounts, and roof
7.8102.7o
Electric supply components will be installed to accepted industry standards and codes in accordance with
NEC
NEC
National Electrical Code
(
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70)
Required energy input to the pumps and controls will be in accordance with manufacturer specifications
Provide sufficient electricity to pumps and solar water heating systems
7.8102.7p
Discharge water temperature will be set not to exceed 120 °F or as prescribed by local code
Install mixing valve when higher storage/generation temperatures are required
Ensure water temperature is low enough to prevent scalding
7.8102.7q
System design criteria will be checked once the system has been connected and filled, including:
Safety controls Operational controls Water leaks Cycle unit modes (e.g., freeze protection, high limit, collection, idle) Other system components (e.g., expansion tank, storage tank) Manufacturer specifications and all relevant industry standards will be met in commissioning
Ensure the system functions safely and is designed with the lowest possible cost of ownership
7.8102.7r
Completed work will be reviewed
Occupant/building operations staff/property manager will be educated on the safe and efficient operation and maintenance of the system, including:
Operational modes Adjustment of water temperature Adjustment of tempering valve Tank maintenance (e.g., anodes, temperature, and pressure relief valve) Fluid maintenance and replacement Solar collector maintenance (e.g., cleaning the collectors, checking gaskets, and mounts) Shade prevention, including trimming nearby trees and vegetation; inform manager/owner/staff that new construction of high-rise buildings on the south side of property may cause shadows, limiting the effectiveness of the solar thermal system Operation of backflow preventer and pressure regulator Importance of keeping operating manuals accessible Educate the occupant/building operations staff/property manager about the safe, efficient operation and maintenance of the system
