First Bulletin on Developing the Standards
The Canada's Clean Air Regulatory Agenda (as published in the Canada Gazette on October 21, 2006) includes revisions to the Energy Efficiency Act. The revised Energy Efficiency Act, with broadened scope, provides the authority to prescribe energy-using products, or classes of products, that affect or control energy consumption.
Natural Resources Canada's Office of Energy Efficiency (OEE) is proposing to amend Canada's Energy Efficiency Regulations (the Regulations) to add minimum energy performance standards (MEPS) for pre-rinse spray valves (PRSV). The Regulations apply to products imported or shipped inter-provincially for sale or lease in Canada.
The purpose of this document is to provide stakeholders with background information on the proposed content of the Regulations so that they can submit comments before proceeding with pre-publication in the Canada Gazette, Part I. Depending on the nature of the comments received, NRCan may initiate further consultation.
This bulletin attempts to put the proposed amendment in plain language. The legal text of the proposed amendment will be pre-published in the Canada Gazette, Part I. The final legal text will be published in the Canada Gazette, Part II after a minimum 75 day comment period.
Energy Efficiency Regulations, which came into effect in February 1995, is administrated by NRCan and references energy efficiency standards that must be used to test the products to ensure that they comply with the minimum requirements of the Regulations.
Commercial dishwasher pre-rinse spray valves (also known as "pot fillers") use hot water under pressure to clean food items off soiled plates, flatware, and other kitchen items before they are placed into a commercial ware washer. Pre-rinse spray valves are handheld devices, consisting of a spray nozzle, a squeeze lever that controls the water flow, and a dish guard bumper. Often they include a spray handle clip, allowing the user to lock the lever in the full spray position for continual use. The pre-rinse spray valve is part of the pre-rinse unit assembly that typically includes an insulated handle, a spring supported metal hose, a wall bracket, and dual faucet valves.
Pre-rinse spray valves are inexpensive and frequently interchangeable within different manufacturers' hose assemblies. Based on NRCan recent market analysis study (September 2010), baseline pre-rinse spray valves are assumed to use 10 to 20 Liters per minute (Lpm) of hot water at 60 psi and a temperature of 52°F, and a recharge or thermal efficiency of 76%. These spray valves are estimated to be in use for approximately 1.5 to 4 hours per day, 360 days per year.
Efficient pre-rinse spray valves, that have a flow rate of less than 6 Lpm (1.6 gallons per minute), save energy by providing a spray pattern with equivalent cleaning performance to baseline models, while using a lower flow rate. Thus, these models reduce heated water use and therefore water heating energy. It takes approximately 8 m3 of natural gas to heat 1.0 m3 of water by 50°C.
As of July 25, 2005 US Congress passed the Energy Policy Act of 2005 which, among many other things, set a Federal minimum efficiency standard for pre-rinse spray valves at 1.6 gallons per minute (6 Lpm), effective January 1, 2006.
The flow-rate requirement prescribed in California's regulations, like that prescribed in EPACT 2005, required that PRSVs have a flow rate equal to or less than 1.6 gpm (6.1 Lpm) at 414 kPa (60 psi). California's regulations also incorporate a cleanability requirement–specifically, that PRSVs must be capable of cleaning 60 plates in an average time of not more than 30 seconds per plate. These regulations took effect on January 1, 2006.
Natural Resources Canada is proposing to amend the regulations and to adopt the U.S. levels and standards pertaining to the energy performance of PRSV (U.S. Direct Final Rule, October 18, 2005) with the cleanability requirement adopted from the California State Regulation.
In order to harmonize with the US, NRCan's proposal for this product would be equivalent to the Direct Final Rule (October 18, 2005) in the US and the California Code of Regulations.
For the purposes of the Regulations, NRCan is proposing to define commercial dishwasher pre-rinse spray valves as a handheld device designed and marketed for use with commercial dishwashing and warewashing equipment, also known as "pot fillers", that sprays water on dishes, flatware, and other food service items for the purpose of removing food residue before cleaning in commercial dishwasher.
Cleanability is defined as the effectiveness of the pre-rinse spray valve to remove soil from the plate before it is placed in a dishwashing machine.
Energy Performance Test Procedure
The ASTM test method: F2324-03 Standard Test method for Pre-Rinse Spray Valves is the proposed reference test procedure for this product.
The ASTM F2324-03 (R2009) test procedure is available from ASTM International via their website, http://www.astm.org
Energy Performance Standards
The maximum-allowable water flow rate and cleanability requirements are:
|Flow rate||≤ 6.1 Liter per minute (L/min) at 60Psi water pressure|
|Cleanability||≤ 30 seconds per plate|
NRCan proposes that the revision to the energy-efficiency regulations for PRSV become effective January 1, 2012. This would mean that all PRSV, as defined in this bulletin, that have their manufacturing process completed on or after January 1, 2012 will be required to meet the proposed efficiency levels.
NRCan is not proposing EnerGuide labelling requirement for PRSV at this time.
The similar verification requirements that apply to other products regulated under the Energy Efficiency Act will apply to PRSV.
The package will carry a verification mark indicating that the energy performance of the product has been verified. The verification mark of the accredited verification program must be readily visible and affixed to a surface of the exterior of the product's package.
The verification mark is the mark of a Standards Council of Canada (SCC) accredited certification organization that administers an energy performance verification program for this product. NRCan will also accept labels issued by a province indicating that the product meets the provincial energy efficiency levels as a verification mark, provided that the provincial level is equivalent to or more stringent than the federally regulated level.
Energy Efficiency Reports
The energy efficiency report required for PRSV will include the following information:
- water flow-rate in L/min; and
- cleanability in second per plate.
This report must be submitted, by the dealer, to the Minister of NRCan before the product is imported into Canada or traded interprovincially for the first time.
A dealer who imports these products into Canada will be required to include the following information on the customs release document:
- type of product
- model number
- brand name
- name and address of the dealer importing the product
- purpose for which the product is being imported (i.e. for sale or lease in Canada without modification; for sale or lease in Canada after modification to comply with energy efficiency standards; or for use as a component in a product being exported from Canada)
NRCan attempts, as much as possible, to harmonize with other regulatory agencies. The proposed amendment to the regulations is harmonized with respect to test procedure and flow rate requirements with the Direct Final Rule published by the U.S. DOE on October 18, 2005 (U.S. Federal Register, 70 FR 60418, October 18, 2005) and for cleanability requirements with California Regulation (California Title 20, Appliance Efficiency Regulations, Section 1602(h) Plumbing Fittings).