An Urgent Bulletin from CSA Group

Transcription

1 n Urgent ulletin from CS Group Heating and Cooling Equipment No. 9 (Supersedes Notice Heating & Cooling Equipment No. 7, Ref No: N13-075) Date: December 16, 2015 See ttachment 1 for Effective Dates. See ttachment 1 for pplication Due Dates nnouncing: Publication of Standard CS C22.2 No /UL1995, Fifth Edition, Heating and Cooling Equipment See ttachment 2 for affected Class Numbers. To purchase the Standard, visit us at Who is affected? Manufacturers of heating and cooling equipment central cooling and/or heating equipment, including heat pumps, electric warm air furnaces, condensing units, air handlers, liquid chillers, and combination gas heat /air conditioning appliances. What do you do? 1. CS Group Service Delivery staff will contact you to address compliance with each revision as applicable to the product designs covered in your affected Certification Reports. In addition to updates to your Certificate(s) of Compliance & Report(s), testing may be required to comply with these revisions. 2. Please respond within thirty (30) days of receiving CS Group s pplication for CS Certification Services and Quotation communication. You must respond no later than the application dates listed in ttachment 1 in order to guarantee the update to your certification is completed by the corresponding effective dates shown in the same attachment. If testing is needed, we will inform you of the samples required. Major Revisions: Refer to attachment 3 for the major revisions to the standard. ackground and Rationale: This notice announces the publication of CS C22.2 No /UL 1995, fifth Edition, to replace CS C22.2 No /UL 1995, Fourth Edition s outlined in ttachments 2 and 3, this new edition of the standard will cover only those products that are not within the scope of CN/CS-C22.2 No /UL , First Edition/NCE NMX-J- 521/2-40-NCE For questions specific to your file or products contact your CS Group technical staff associate. Go to and enter your Master Contract # and the class numbers associated with this Notice to determine which of your products are affected. For technical questions on this Certification Notice Contact Whitman Gao by phone , fax 86 (20) or whitman.gao@csagroup.org The standard edition or amendments announced in this Notice may be used for certification as of the date of issue of this Notice. The Effective date in this Notice is the date on which the current requirements, applicable to Certified products listed in the affected class numbers, expire and the standard edition or amendments announced in this Notice become the only requirements that may be used for certification. In the event that currently certified products do not comply with the latest requirements outlined in this Notice after the effective date, the certification of such models may be discontinued. Visit us at Click on "Contact Us" for the online phone listing of our Offices and Partners DQD Rev The Canadian Standards ssociation. ll rights reserved. Ref No: N \\REXFPS00\CertData2$\Wgm4\DOC_CTRL\Notices\E-H\HeatingandCoolingEquipment09.docm Page 1 of 8

2 TTCHMENT 1 Effective Dates Product Status Matrix for CS C22.2 No /UL st Ed., C22.2 No /UL th Ed. and CS C22.2 No /UL th Ed. Effective Date Code (see below) rief product description Rated voltage range C22.2 No /UL st Ed. C22.2 No /UL th Ed. C22.2 No /UL th Ed. C ir conditioning systems equipment Central cooling air conditioners (package and split system) Heat pumps (package and split system) Heat pump water heaters Liquid chillers Heat pump pool heaters N Y N Condensing units Direct expansion fan coil units Electric central heating furnaces \\REXFPS00\CertData2$\Wgm4\DOC_CTRL\Notices\E-H\HeatingandCoolingEquipment09.docm Page 2 of 8

3 Product Status Matrix for CS C22.2 No /UL st Ed., C22.2 No /UL th Ed. and CS C22.2 No /UL th Ed. Effective Date Code (see below) rief product description Rated voltage range C22.2 No /UL st Ed. C22.2 No /UL th Ed. C22.2 No /UL th Ed. Heat pump/ir conditioner outdoor section bsorption air conditioning equipment ccessories for heating and cooling equipment (air duct mounted) Ventilating units Compressor units Environmental air terminal units Fan units Fan coil units Mechanical draft water cooling tower Room fan heater units Room air terminal units Special purpose air conditioners Effective Date Code Notes: - These products are not within the scope of C22.2 No. No /UL 1995, 5 th Edition but are within the scope of CN/CS C22.2 No /UL /NMX-J-521/2-40-NCE They shall comply with the effective date requirements in the Notice Heating and Cooling Equipment No. 8 as stated below: Until November 30, 2020, all new submittals of electrical heat pumps, air-conditioners and dehumidifiers shall be evaluated to the applicable requirements of CN/CS C22.2 No /UL /NMX-J-521/2-40- NCE-2013 or, if requested in writing, the products may continue to be evaluated for compliance with standard CS C22.2 No , C22.2 No , C22.2 No , CN/CS-E , UL474, UL484, or UL1995, as applicable. fter November 30, 2022, all CS certified electrical heat pumps, air-conditioners and dehumidifiers covered by CS standards C22.2 No , C22.2 No , C22.2 No and CN/CS-E , and UL standards UL 474, UL 484, and UL1995 shall comply with CN/CS-C22.2 No /UL , First Edition. To ensure that the evaluations of products to the new standard are completed by the effective date of November 30, 2022, manufacturers shall apply no later than May 30, These products are within the scope of C22.2 No. No /UL 1995, 5 th Edition but are not within the scope of CN/CS C22.2 No /UL /NMX-J-521/2-40-NCE \\REXFPS00\CertData2$\Wgm4\DOC_CTRL\Notices\E-H\HeatingandCoolingEquipment09.docm Page 3 of 8

4 Until November 30, 2020, all new submittals of products shall be evaluated to the applicable requirements of C22.2 No /UL 1995, 5 th Edition or, if requested in writing, the products may continue to be evaluated for compliance with standard CS C22.2 No. No /UL 1995, 4 th Edition. fter November 30, 2022, all CS certified products now covered by CS C22.2 No /UL 1995, 4 th Edition shall comply with CS C22.2 No /UL 1995, 5 th Edition. To ensure that the evaluations of products to the new standard are completed by the effective date of November 30, 2022, manufacturers shall apply no later than May 30, C Heat pump pool heaters have been certified in C22.2 No /UL th Ed. using temperature test requirements derived from C22.2 No M89 and HRI Heat pump pool heaters may remain certified to C22.2 No. C22.2 No /UL th Ed. and will not need to be resubmitted at this time. TTCHMENT 2 ffected Class Numbers Class No: , COMFORT CONDITIONING EQUIPMENT - ir Conditioning pparatus , COMFORT CONDITIONING EQUIPMENT - Central Type, ir Handling Equipment , COMFORT CONDITIONING EQUIPMENT - Heat Pumps , COMFORT CONDITIONING EQUIPMENT - Components, Parts and Subassemblies , COMFORT CONDITIONING EQUIPMENT - Components, Parts and Subassemblies Certified to US Standard , COMFORT CONDITIONING EQUIPMENT- Central Type ir Handling Equipment - Certified to US Standards , COMFORT CONDITIONING EQUIPMENT - Heat Pumps - Certified to US Standards , COMFORT CONDITIONING EQUIPMENT (ELECTRICL) - Central Type, Combination Cooling/Heating , COMFORT CONDITIONING EQUIPMENT (ELECTRICL) - Central Type, Combination Cooling/Heating - Certified to US , REFRIGERTION EQUIPMENT - Refrigerating Machines - Condensing Units , WTER HETERS - Heat Pump Heated , WTER HETERS - Heat Pump Heated - Certified to US Standards , COMFORT CONDITIONING (GS) - ir Handling Units , FURNCES (GS) - Central - Residential , FURNCES (GS) - Central - Commercial , FURNCES (GS) - Central - Residential - Certified to US Standards , FURNCES (GS) - Central - Commercial - Certified to US Standards , FURNCES (GS) - WLL - Direct Vent , FURNCES (GS) - WLL - Vented , FURNCES (GS) - WLL - Direct Vent - Certified to US Standards , FURNCES (GS) - WLL - Certified to US Standards , COMFORT CONDITIONING EQUIPMENT (ELECTRICL) - Warm ir Furnaces , COMFORT CONDITIONING EQUIPMENT (ELECTRICL) - Warm ir Furnaces - Certified to US Standards \\REXFPS00\CertData2$\Wgm4\DOC_CTRL\Notices\E-H\HeatingandCoolingEquipment09.docm Page 4 of 8

5 TTCHMENT 3 Major Revisions Major Revisions to C22.2 No /UL1995, Fifth Edition Clause Revision Summary 1 Scope Revised the scope to remove those products covered by CN/CS-C22.2 No /UL , First Edition/NCE NMX-J-521/2-40-NCE Definitions dded definitions of bsolute Irradiance, djustable Speed Drive, djustable Speed Drive System, ppliance Coupler, ppliance Inlet, allast, locking diode, Charge controller, Circuit (Class 2), Computer room air conditioner (CRC), Control (auxiliary), Control (manual), Control (operating), Control (protective), Control (type 1 action), Control (type 2 action), Converter, Coolant distribution equipment, Flash gas bypass valve, Flash gas tank, Gas cooler, Heat recovery unit, Interactive system, Intermediate Pressure Stage, Lampholder, Maximum Operating Current (MOC), Maximum Rated Current (MRC), Photovoltaic (PV) cell, Photovoltaic (PV) inverter, Photovoltaic (PV) module, Solar photovoltaic (PV) system, Stand-alone system, Transcritical system, Ultraviolet (UV) Lamp, UV-C Irradiance. 3 Reference publications 4 Installation and operating instructions Revised definitions of arrier, Circuit (extra-low-voltage), Circuit (hazardous voltage), Guard, High side. Component standard requirements updated and incorporated in this Section. 4.4 Revised cover transcritical system. 4.5 to 4.6 dded requirements for equipment with solar PV systems. 4.7 dded requirements for equipment with UV lamp systems. 4.8 to 4.9 dded requirements for heat recovery units. 5 Enclosures 5.4 c) dded requirement for polymeric enclosures exposure to UV-C radiation. 7 Openings in enclosures 7.7 dded requirement for enclosures containing UV radiation lamp systems. 8 Enclosures, doors, and covers 8.5 to 8.6 dded requirements for doors, covers and panels giving access to UV radiation lamp systems. 9 ccessibility of parts 9.7 to 9.12 dded requirements for units employing UV radiation lamp systems. 15 Mechanical assembly - field assembly 15.2 to 15.3 dded requirements for factory specified field installed integral UV systems. 16 uxiliary devices dded requirements for units that are designed for possible installation of duct mounted UV radiation lamp systems \\REXFPS00\CertData2$\Wgm4\DOC_CTRL\Notices\E-H\HeatingandCoolingEquipment09.docm Page 5 of 8

6 Clause Revision Summary dditional requirements for heat recovery unit. 19 Terminal parts and leads for field wiring connections to dditional requirements for equipment intended for cord connection. 20 Internal wiring 20.6 to 20.7 dditional requirements for PV source circuit wiring dditional requirement for ampacity determination of adjustable speed drives. 23 Motors 23.6 Revision to clarify that any of items (a) through (d) may be employed for the hermetic refrigerant motor compressors protection. Revisions of clauses to clarify requirements for electronically protected motor to circuits. 24 Grounding and bonding dditional of equipotential bonding terminal requirements for heat pump pool and spa heaters. (There is an editorial error in this clause. Corrections have been submitted to the subcommittee) 26 Switches and controllers to Revision to clarify disconnect ungrounded conductors requirements of motor controllers, and clarify that all pole disconnect is only required on units that employ water as a heat exchange medium where other water leakage mediation effort have not been done. 28 Capacitors 28.2 to 28.3 Revision of clauses to clarify requirements for electrolytic types of motor starting capacitors. 30 Electric heaters Deleted See clause and deleted the Exception in this clause. ddition of new requirement to clarify contactors and sequence controls used to control one or more sections of the heater element load, shall be able to withstand 100,000 cycles of making and breaking the load controlled. Renumber the previously Clause to 30.16, and revision of this clause to clarify all contactors and sequence controls that are used on open electric heaters shall break all ungrounded conductors Renumber the previously Clause to Deleted except as specified in Clause in this clause. Renumber the previously Clause to Revision of clause to clarify backup protection specified in Clause is required for a product employing an electric heater that incorporates a switching device whose coil circuit is controlled by both the automatically resetting temperature-limiting control and a temperature-regulating control for the heater. 32 Control circuits 32.8 ddition of new clause to indicate requirements for fuses ddition of new clause to indicate requirements for fuse holders ddition of new clause to indicate requirements for circuit breakers. 33 Spacings 33.8 Revision of clauses to clarify no spacings are specified for Class 2 circuits that not used as safety circuits. \\REXFPS00\CertData2$\Wgm4\DOC_CTRL\Notices\E-H\HeatingandCoolingEquipment09.docm Page 6 of 8

7 Clause Revision Summary 34 Refrigerant, hot water, and steam coils 34.2 ddition of new clause to clarify Refrigerant-containing components that comply with UL207 and CS C22.2 No meet the requirements of Clause Renumber the previously Clause 34.2 to 34.3, and revised the test pressure in the Strength test from five times to three times. Exception No.5 in this clause was also revised to clarify test requirement for High-side parts in a carbon dioxide (R- 744) transcritical refrigeration system Renumber the previously Clause 34.3 to Revision of the clause to allow the test pressure in the Strength test from five times to three times Renumber the previously Clause 34.5 to Revision of the clause to correlate with CS 51 and SHRE 15. ddition of new clause to indicate that for transcritical systems the maximum normal 34.9 working pressure is the marked design pressures for each system pressure range , 34.33, ddition of new clauses to indicate requirements for equipment intended to utilize carbon dioxide (R744) in a transcritical system. 35 Condensing and compressor units employing flammable refrigerants. 35 ddition of new section for condensing and compressor units employing flammable refrigerants. 36 Heat pump water heating and heat recovery equipment 36.1 Revision of clause to cover heat recovery equipment. 36.5, 36.7 Revision of clause to allow the test pressure in the Strength test from five times to three times , ddition of new clauses to indicate requirements for heat recovery units. 37 to 42 ddition of new sections for requirements of heating and cooling equipment related to PV equipment or utility interactive inverters. 44 Equipment markings 44.3 f) ddition of Exceptions in this clause to indicate marking requirements for motor or motor-compressor controlled by an adjustable speed drive. Revision of clause to indicate marking requirements for transcritical systems 44.3 k) employing an intermediate pressure section z), z1), z2) ddition of marking requirements for equipment with UV radiation lamp systems c), a), b) Clauses revised to include marking requirements for motor's MOC and motor compressor s MRC. 45 Other markings to ddition of marking requirement for units related to PV equipment or utility interactive inverters ddition of marking requirements for equipment with removable Ultraviolet (UV) radiation doors or barriers 46 General test parameters Table 46.1 Operation tests Table 46.6 Test voltages 53 Electric heater tests Revision of table to add UV leakage test to applicable equipment. ddition of Note (b) to this table to indicate input testing shall be conducted at nameplate rated voltage. \\REXFPS00\CertData2$\Wgm4\DOC_CTRL\Notices\E-H\HeatingandCoolingEquipment09.docm Page 7 of 8

8 Clause Revision Summary 53.9 Revision of clause to clarify the continue operation conditions for makeup air electric heater Revision of clause to clarify when to de-energize any heat source other than refrigerant heat. 68 ccelerated aging tests 68.2 ddition of new clause to indicate test requirements for non-metallic sealing gaskets or protective barrier tape that may exposure to UV. 71 Fatigue test analysis 71.2 Revision of clause to allow the test pressure in the Strength test from three times to two times The number of test cycles was revised from 250,000 to 500, to ddition of new clauses to clarify the test parameters for fatigue test to Revision and addition of clauses to clarify cycle test pressure specification in fatigue test for CO2 transcritical systems. 75 Leakage current test cord-connected products 75.2 ddition of new clause to indicate leakage current limits specific for coolant distribution equipment for use in Information Technology Equipment (ITE) rooms d) Revision of clause to clarify the supply voltage of leakage current test shall be adjusted to the voltage indicated in Table (Previously Table 68.1 was deleted). 78 Power supply cords Table 78.1 ddition of Note 2 and Note 3 to indicate power supply cord length requirements for coolant distribution equipment and systems installed in an ITE room ddition of new clause to indicate power supply cord length requirements for computer room air conditioners 82 Heat pump pool heaters. ddition of new section that specifically covers heat pump pool heaters 89 Ultraviolet radiation exposure test 90 Controls end product test parameters ddition of new section that specifically covers UV radiation exposure. ddition of new section that specifically covers controls. \\REXFPS00\CertData2$\Wgm4\DOC_CTRL\Notices\E-H\HeatingandCoolingEquipment09.docm Page 8 of 8