|
'I � i . �_- . _ . ... . . . .
<br /> � . . ��V /�/O/ Y_/ .
<br /> A r�ro A R v
<br /> � WHOLE-HOUSE VENTILATION INTEGRATED WITH A FORCED-AIR SYSTEM
<br /> ICI NCY CR TTS :
<br /> M1507.3.5 Whole-house ventilation integrated with a forced-air system. This section establishes minimum prescriptive requirements for
<br /> whole-house ventilation systems integrated with forced-air ventilation systems. A system which meets all the requirements of this section �
<br /> shall be deemed to satisfy the requirements for a whole-house ventilation system.
<br /> EFFICIENT BUIL�ING ENVELOPE 1a: (0.5 CREDITS)
<br /> M1507.3.5.1 Integrated whole-house ventilation systems. Integrated whole-house ventilation systems shall provide outdoor air at the rate �
<br /> 2015 WASHINGTON STATE ENERGY CODE �alculated using Section M1507.3.3. Tntegrated forced-air ventilation systems shall distribute outdoor air to each habitable space through PRESCRIPTIVE COMP�IANCE IS BASED ON TABLE R402.1.1 WITH THE FOLLOWING
<br /> the forced-air system ducts. Tntegrated forced-air ventilntion systems shall have an outdoor air inlet duct connecting a terminQl element on
<br /> TABLE R402.1.1 the outside of the building to the return air plenum of the forced-uir system,at a point within 4 feet upstream of the air handler. The MODIFICATTONS:
<br /> outdoor air inlet duct connection to the return air stream shall be located upstream of the forced-air system b�ower and shal) not be
<br /> INSULATION AND FENESTRATION REQUIREMENTSBY COMPONENT connected directly into o furnace cabinet to prevent thermnl shock to the heat exchanger. The system will be equipped with a motorized VERTICAL FENESTRATION U = 0.28
<br /> CLIMATE Z(JNE 5 AN� MARINE 4 6 damper connected to the automatic ventilation control as specified in Section MI507.3.2. The required flow rate shall be verified by field FLOOR R-38
<br /> testing with a flow hood or n flow measur�ng stntion. SLAB-ON-C�RA�E R-10 PERIMETER AND UNOER ENTIRE SLAB. BELOW GRADE SLAB j,,,l,,
<br /> FENESTRATION U-FACTOR 0.30 0.30 M1507.3.5.2 Ventilation duct insulation. All supply ducts in the conditioned space shall be insulated to a minimum of R-4. R-1O PERIMETER AND UNDER ENTIRE SLAB '
<br /> SKYLIGHT U-FACTOR 0.50 0.50 �
<br /> GLAZED FENESTRAT�ON SHGC NR NR M1507.3.5.3 Outdoor air inlets. Tnlets shall be screened or otherwise protected from entry by leaves or other material. Outdoor air inlets Or
<br /> CEILIN6 R-VALUE 49 49 shall be located so as not to take air from the following areas: COMPLIANCE BASED ON SECTI4N R402.1.4: REDUCE THE TOTAL UA BY 5% �
<br /> 1. Closer than 10 feet from an appliance vent outlet,unless such vent outlet is 3 feet above the outdoor air inlet.
<br /> WOOD FRAME WALL R-VALUE 21 int 21+5ci Z. Where it will pick up ob jectionable odors,fumes or flammable vapors. '
<br /> MA55 WALL R-VALUE 21/21 21+5 3. A hazardous or unsanitary location. �
<br /> FLOOR R-VALUE 30 30 4. A room or space having any fuel-burning�ppliances therein. HIGH EFFICIENCY HVAC EQUIPMENT 3a: (1.0 CREDITS)
<br /> BELOW-GRADE WALL R-VALUE 10/15/21 int + TB 10/15/21 int + TB 5. Closer than 10 feet from a vent opening of a plumbing drainage system unless the vent opening is at least 3 feet above the air inlet. o �
<br /> 6. Attic, crawl spaces,or garages. GAS, PROPANE OR OIL-FIRED FURNACE WITH MINIMUM AFUE OF 94/o,
<br /> SLAB R-VALUE&DEPTH 10, 2 ft 10, 4 ft - Or
<br /> ❑ WHOLE-HOUSE VENTILATTON USING A SUPPLY FAN GAs, PROPANE OR OIL-FIRE� BOILER WITH MINIMUM AFUE OF 92%
<br /> M1507.3.6 Whole-house ventilation using a supply fan. This section establishes minimum prescr+ptive requirements for whale-house ventilation '
<br /> systems using an inline supply fan. A system which meets QII the requirements of this section shall be deemed to satisfy the requirements for EFFICIENT WATER HEATING 5Q: ��.5 CREDITS)
<br /> a whole-house ventilation system. '
<br /> • M1507.3.6.2 Outdoor nir. Supply fan ventilation systems shall distribute outdoor air to each habitable space through the forced-air system ALL SHOWERHEADS AND KITCHEN SINK FAUCETS INSTALLE� IN THE HOUSE
<br /> ducts or through dedic4ted ducts to each habitable spnce. 5upply fans shall have the capacity to provide the amount of outdoor 4ir specified SHALL BE RATED AT 1.75 6PM OR LE55. ALL OTHER LAVATORY FAUCETS SHALL
<br /> in Table M1507.3.3(1)at 0.40 inches water gauge as per HVI 916. The outdoor air must be filtered before it is delivered to habitable spaces.
<br /> The filter may be located at the intake device, in line with the fan, or, in the case of a connection to the return plenum of the air handler, BE RATED AT 1.0 GPM OR LE55.
<br /> using the furnace filter. An outdoor air inlet shall be connected to either the supply or return air stream.
<br /> M1507.3.6.2 Ducts. An outdoor air inlet duct connection to the supply air stream shall be located downstream of the forced-air system
<br /> blower. An outdoor air inlet duct connection to the return air stream shall be located at least 4 feet upstream of the forced-air system �
<br /> blower and its filter. Neither type of duct shall be connected directly into a furnace cabinet to prevent therm4l shock to the heat exchanger. EFFICTENT WATER HEATING 5C: �1.5 CREDITS)
<br /> The outdoor air inlet duct shall be prescriptively sized in accordance with Tc►ble M1507.3.6.2. The terminal element on the outside of the �
<br /> building shall be sized 2 inches in diameter larger than the outdoor air inlet duct. WATER HEATING SYSTEMSHALL INCLUDE ONE OF THE FOLLOWINC�: GAS
<br /> PROPANE OR OIL WATER HEATER WITH A MINIMI������.�VINGS OF 85
<br /> TAB�E M15Q7.3.6.2 '
<br /> PRESCRIPTIVE SUPPLY FAN DUCT SIZING or �
<br /> Supply Fan Tested CFM at 0.40" w.g. SOLAR WATER HEATING SUPPLEMENTING A MINIMUM STANDARD WATER HEATER.
<br /> SOLAR WATER HEATING WILL PROVIDE A RATED �
<br /> WHOLE HOUSE MECHANICAL VENTILATION SYSTEM �AL E�FROM snnoo DUCT F Ex a�E�ucT THERMS OR 2�OOkwh BASE� ON THE SOLAR RATING AND CERTIFICAIZON
<br /> (CHECK THE BOX A�JACENT TO THE WHOLE HOUSE VENTILATION SYSTEM CHOSEN) TAa�E DIAMETER DIAMETER eORPORATION SRCC ANNUAL PERFORMANCE OF OG-300 CERTIFIED SOLAR �
<br /> Effective July 1, 2016 M1507.3.3(1) � � / � �
<br /> M1507.3 Whole-house mechanical ventilation system. Whole house mechanical ventilation systems shall be designed in occordance with 50-90 cfm 4 inch 5 inch WATER HEATING SYSTEMS. � W
<br /> Sections M1507.3.1 through M1507.3.7. 90-150 cfm 5 inch b inch Or �
<br /> 150-120 cfm 6 inch 7 inch ELECTRIC HEAT PUMP WATER HEATER WITH A MINIMUM EF OF Z.0 AND
<br /> M1507.3.1 System design. Each dwelling unit or guestroom shall be equipped with a ventilation system complying with Section M1507.3.4, 250-400 cfm 7 inch 8 inch MEETINC7 THE STNDARD OF NEEA'S NORTHERN CLIMATE SPECIFICATIONS FOR .
<br /> M1507.3.5, M1507.3.6 or M1507.3.7. Compliance is also permitted to be demonstrated through comptiance with the International Mechanical M1507.3.6.3 Dampers. The system shall be equipped with a back-draft damper and one of the following: HEAT PUMP WATER HEATERS. �
<br /> Code. 1. A calibrated manual volume damper installed and set to meet the measured flow rates specified in Tnble M1507.3.3(1)by field testing with f
<br /> M1507.3.2 Control and operation. ,
<br /> 1. Location of controls. Controls for all ventilation systems shall be rendily accessible by the occupant. a pressure gauge and/or following manufacturer s installation instructions; or �
<br /> 2. Instructions. Operating instructions for whole-house ventilation systems shall be provided to the occupant by the installer of the system. 2. A manual volume damper installed and set to meet the measured flow rates specified in Table �
<br /> 3. Local exhaust systems. Local exhaust systems shall be controlled by manual switches,dehumidistats,timers,or other approved means. M1507,3.3(1) by field testing with a flow hood or u flow measuring stution; or
<br /> 4. Continuous whole-house ventilation systems. Continuous whole-house ventilation systems shull operate continuously. Exhaust fc►ns, 3. An automatic flow-regulnting device sized to the specified flow rates in Table M1507.3.3(1)which provides constant flow over a pressure �
<br /> forced-air system fans, or suppty fans shall be equipped with "f4n on" as override controls.Controlsshall be capable ot operating the range of 0.20 to 0.60 inches water gauge. Q
<br /> ventilation system without energizing other energy-consuming appliances. A label shall be affixed to the controls that reads"Whole House
<br /> Ventilation (see operating instructions)." M1507.3.6.4 Ventilation duct insulation. All supply ducts in the conditioned space shall be insulated to a minimum of R-4.
<br /> 5. Intermittent whole-house ventilation systems. Intermittent whole-house ventilation systems shall comply with the fotlowing.
<br /> 5,1, They shall be capable of operating intermittently and continuously. M1507.3.6.5 Outdoor air inlets. Inlets shall be screened or otherwise protected from entry by leaves or other materiql. Outdoor air inlets IMPORTANT FIREPLACE NOTES:
<br /> 5.2. They shull have controls capable of operating the exhaust fans,forced-air system fans,or supply fans without energizing other shall be located so as not to take air from the following areas �
<br /> 1. Closer than 10 feet from an a liance vent outlet, unless such vent outlet is 3 feet above the outdoor air inlet. METAL CHIMNEY CAP �
<br /> energy-consuming appliances. Z. Where it will pick up objectionable odors,fumes or flammable vapors. W/ SPARK ARRESTOR - FIREPLACE MUST HAVE SEALED COMBUSTION CHAMBER :
<br /> 5.3. The ventilation rate shall be adjusted according to the exception in Section 403.8.5.1. 3. A hazardous or unsnnitary locntion. - FLUE MAY BE ANGLED UP TO 30 degree5 (MAX) OFF .
<br /> 5.4. The system shall be designed so that it can operate automaticatly based on the type of control timer installed. 4. A room or space having any fuel-burning applinnces therein. VERTICAL. VERIFY WITH MANUFACTURER�5 �
<br /> 5.5. The intermittent mechanical ventilation system shall operate at least one hour out of every four. 5. Closer than 10 feet from a vent opening of a plumbing drainage system unless the vent opening is at least 3 feet above the air inlet. � SPECIFICATIONS. �
<br /> 5.6. The system shall have a manual control and automatic control,such as a 24-hour clock timer. , �
<br /> 5.7. At the time of final inspection,the automatic control shall be set to operate the whole-house fan Qccording to the schedule used to 6. Attic, crawl spaces,or garages. m - 2" (MIN) AIR SPACE FROM FLUE TO COMBUSTTBLES. �
<br /> calculate the whole-house fan sizing. VERIFY WITH MANUFACTURER'S SPECIFICATIONS.
<br /> 5.8. A label shall be affixed to the control that reads "Whole House Ventil4tion(see operating instructions)." � WHOLE-HOUSE VENTILATION USING A HEAT RECOVERY VENTILATION SYSTEM - CHIMNEYS SHALL EXTEND AT LEAST 2 FEET HIGHER �
<br /> M1507.3.2.1 Operating instructions. Installers shall provide the manufacturer's installation,operating instructions,and a whole-house M1507.3.7 Whole-house venti�ation using a heat recovery ventilation system. This section establishes minimum prescriptive requirements for � I THAN ANY PORTION OF THE BUILDING WITHIN A 10 �
<br /> ventilation system operation description. whole-house ventilation using a heat recovery ventilation system. FOOT RADIUS, BUT SHALL NOT BE LE55 THAN 3 FEET T
<br /> M2507.3.3 Mechanical ventilation rate. The whole-house mechanical ventilation s stem shall rovide outdoor air to each habitable s ace at a ABOVE THE POTNT WHERE THE CHIMNEY PASSES ��■�
<br /> Y p P M1507.3.7.1 Heat recovery ventilation systems. AI! duct work in heat recovery systems shall be sized and installed per the manufacturer's
<br /> continuous rate of not less than that determined in accordance with Tabie M1507.3.3(1), instructians. System minimum flow rating shall be not less than that specified in Tuble M1507.3.3(1). Heat recovery ventilation systems shull THROUGH THE ROOF. �
<br /> Exception: The whole-house mechanieal ventilation system is permitted to operate intermittently where the system has controls that enable have a filter on the upstream side of the heat exchanger in both the intake and exhaust airstreams with a minimum efficiency rating value �
<br /> operation for not less than 25 percent of each 4-hour segment and the ventilation rate prescribed in Table M1507.3.3(1) is multiplied by the (MERV) of 6. `
<br /> factor determined in accordance with Table M1507.3.3(2).
<br /> • M1507.3.7.2 Ventilation duct insulntion. All supply ducts in the conditioned space installed upstream of the heat exchanger shall be insulated
<br /> to a minimum ofR-4. I
<br /> M1507.3.7.3 Outdoor air inlets. Inlets shall be screened or otherwise protected from entry by leaves or other material. Outdoor air inlets �
<br /> ❑ WHOLE-HOUSE VENTILATION USING EXHAUST FANS shall be located so as not to take air from the following areas: '
<br /> M1507.3.4 Who�e-house ventilation using exhaust fans. This section estnblishes minimum prescriptive requirements for whole-house 1. Closer than 10 feet from an appliance vent outlet, unless such vent outlet is 3 feet above the outdoor air inlet. �
<br /> ventilation systems using exhaust fans. A system which meets all the requirements of this section shall be deemed to satisfy the 2. Where it will pick up objectionable odors,fumes or flammable vapors. �
<br /> 3. A hazardous or unsanitary locution. i
<br /> requirements for a whole-house ventilation system. 4. A room or space having any fuel-burning appliances therein. � �
<br /> M1507.3.4.1 Whole-house ventilation fc►ns. Exhaust fans providing whole-hause ventilation shall have a flow rating at 0.25 inches water gauge 5. Closer than 10 feet from a vent opening of a plumbing drainage system unless the vent opening is at least 3 feet above the Qir inlet. � FIREBLOCKING
<br /> as specified in Table M1507.3.3(1). Manufacturers' fan flow ratings shalf be determined according to HVI 916 or AMCA 210. 6. Attic, crawl spaces,or garnges. � PER R302.11 IRC . �
<br /> M1507.3,4.2 Fan noise. Whole-house fans located 4 feet or less from the interior grille shall have a sone rating of 1.0 or less measured at 0.1 � [Y
<br /> inches water gauge. Manufacturer's noise ratings shall be determined as per HVI 915(March 2009). Remotely mounted fans shall be I MANTLE �
<br /> acoustically isoluted from the structural elements of the building and from attached duct work using insulated flexible duct or other TABLE M1507.3.3(i) i LL,
<br /> approved mnteriaL CONTtNUOUS WHOLE-HOUSE MECHANICAL VENTI(.ATION SYSTEM AIRFLOW RATE REQUIREMENTS � W ��
<br /> NUMBER OF BEDROOMS I V
<br /> M1507.3.4.3 Fan controls. The whole-house ventilation fan shall meet the requirements of Section pWE��iN��NTT Z
<br /> M1507.3.2 and M1507.3.2.1. F�ooR AREn 0-i 2-3 4-5 6-7 >7 . �� W
<br /> (square feet) 2x6 FRAMING - MAINTAIN 2 (MIN.) �
<br /> M1507.3.4.4 Outdoor air inlets. Outdoor air shall be distributed to each habitable space by individual outdoor air inlets. Where outdoor air CLEARANCE TO H �
<br /> supplies are separQted from exhaust points by doors, provisions shall be made to ensure air flow by installcttion of distribution ducts, < 1,500 30 45 60 75 90 w
<br /> COMBUSTIBLE MATERIALS
<br /> undercutting doors, installation of grilles,transoms,or similar means. Doors shall be undercut to a minimum of 1/2 inch above the surface of 1,501-3,000 45 60 75 90 105 �
<br /> the finish floor covering. 3,001-4,500-i 60 75 90 105 120 ��ZERO CLEARANCE�� FRESH AIR :
<br /> INTA KE
<br /> Individual room outdoor air inlets shalL 4,501-6,000 75 90 105 120 135 STEEL PRE-FAB. �
<br /> 1. Have controllable and secure openings; GAS STARTE{� Y
<br /> 2. Be sleeved or otherwise designed so as not to compromise the thermal properties of the wall or window in which they are placed; 6,001-7,500 90 105 120 135 150 FIREPLACE UNIT-U.L. � �
<br /> 3. Provide not less than 4 square inches of net free area of opening for each habitable space. Any inlet or combination of inlets which provide >7,501 105 120 135 i5o 16s APPROVED LABEL 2�° MIN. p�.
<br /> 10 cfm at 10 Pasculs are deemed equivalent to 4 square inches net free carea. For SI: 1 Squat'e foot ' 0.029m , 1 cubic fdot per minute - 0.0004719m/s 3 HEARTH � �
<br /> Inlets shall be screened or otherwise protected from entry by leaves or other mnterial. Outdoor air inlets shall be located so as not to take 6�� RAISED �
<br /> air from the following areas: HEARTH
<br /> 1. Closer than 10 feet from an appliance vent outlet, unless such vent outlet is 3 feet above the outdoor air inlet. TABLE M1507.3.3(2)
<br /> • 2. Where it will pick up ob jectionable odors,fumes or flammable vapors. INTERMITTENT WHOLE-HOUSE MECHANICAL VENTILATION RATE FACTORS°'b NOTE: INSTALI. PER MANUF'S SPECIFICATIONS
<br /> 3. A hazardous or unsanitary location. �jN� � �
<br /> 4. A room or s ace havin an fuel-burnin Q IIQt1C2S'Fh2r21f1. RUN-TIME PERCENTAGE IN /I 1
<br /> p 9 y 9 pp EACH 4-HOUR SE�MENT 25% 33% 50% 66% 75% °
<br /> 5. Closer than 10 feet from a vent opening of a plumbing drainage system unless the vent opening is at least 3 feet above the air inlet. 100% '
<br /> FACTOR � 4 3 2 1.5 1.3 1.3
<br /> ���� �r �������
<br /> 6. Attic, crawl spaces,or garages. ���.������� ��� �����,�,
<br /> a. For ventilation system run time values between those given,the factors are permitted to be determined by interpo�ation.
<br /> b. Extrapolation beyond the table is prohibited. '
<br /> 1
<br /> Z R4 C A RA C P T
<br /> NOT TO SCALE
<br />
|