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<br /> M1507,3 Whole-house mechanical ventilation system.
<br /> /,1 Whole house mechanical ventilation systems shall be designed
<br /> EX(ST/A/6 \ P1�('r 1 Oki `�. in accordance with Sections M1507.3.1 through MI507.3.7. • .
<br /> "� \ / I M1507.3.1 System design,Each dwelling unit or gueshoom ,
<br /> rho--e_ C IP6G(Tri ON SA/41.6LE 'KOOP/A/6 qt I shall be equipped with.a ventilation system complying with I
<br /> Section MI507.3.4,NI 1507.3,5,MU07.3.6 or M1507.3.7.
<br /> r Q �L r ,�j _ -
<br /> Compliance is also permitted to be demonstrated through
<br /> j-��t ��, J1� S/�t�l� G ( �. t"RV�(�f��i i compliance with the International Mechanical Code.
<br /> _ {Ml507.3.2 Control and operation. •
<br /> IO ,. : 1. Location of controls.Controls for all ventilation
<br /> •
<br /> G• - -• • I systems shall be readily accessible by the occupant,
<br /> _rY i - I 2, tnshtwtions.Operating instructions for whole-house
<br /> -`i / _ i ventilation systems shall be provided to the occupant by
<br /> t2 tite installer of the system.
<br /> --�"•`.p I 3. Local exhaust systems.Local exhaust systems shall be
<br /> . •T i I controlled by manual switches,dehnmidistats,timers, •
<br /> ^A_ or other approved means.
<br /> Continuous whole-house ventilation sysMms.
<br /> ex. • 4 Continuous whole-home ventilation sysI os shall •
<br /> k - °"5'4 I operate continuously.Exhaust fans,forced-air system
<br /> . .lt .•.r--- ---- s•: n as
<br /> .,:..:.. .:...,. _- _ .. an supply be fan
<br /> • _ - ,.., _ _ .,_ __ ._. fans,o• pply fans sial equippedw with o'
<br /> 1 i '
<br /> _ - I • operating the ventilation sysleen without aeneogenes
<br /> -4••e'-'-'k
<br /> •. ovenide controls.Controls •
<br /> •
<br /> _ other energy-consuming appliances.A label shall be
<br /> a -; )- • affixed to the controls that reds"Whole House
<br /> '`.t Ventilation(see operating instructions)."
<br /> t _ .. -•.t k- 5. Intermittent whole-house ventilation systems.
<br /> 2- � P •"'•` Intermittent whole-house ventilation systems shall
<br /> ,-� / - comply with the following:
<br /> �•I--EYr-. - 5.1,They shall be capable of operating intermittently
<br /> • x _ and continuously.
<br /> 5.2.They shall have controls capable of operating the
<br /> exhaust fans,forced-air system fans,or supply fans
<br /> •... without energizing other energy-consuming
<br /> - ' appliances,
<br /> •
<br /> • " '"` _ YI 5,3,The ventilation rate shall be adjusted according to
<br /> ' 1 the exception in Section 403,85,1,
<br /> 5.4,The system shall be designed so that it can operate
<br /> automatically based on the type of control timer
<br /> _ installed-
<br /> - _ - •I,. 5,5,The intermittent mechanical ventilation systems
<br /> ... ,..
<br /> shall operate at least one hour out of every four.
<br /> - -- - - 5.6.The system shall have a manual control and
<br /> -' - automat• ic control,such as a 24-hour clock timer.
<br /> • - _ 5.7.At the time of final inspection,the automatic
<br /> I - - control shall be set to operate the whole-house fan
<br /> •
<br /> - I - _ - - � - - "� ° _ according to the schedule used to calculate the
<br /> • Abp. whole-house fan sizing.
<br /> ' ra• F--� A MIN. N//�I S�(c l� roc�r`1 DE 5.8.A label shall be affixed to the control that rends
<br /> _d f-�DDI'rl 0%( ci\(ST//�lLy _ vrr ...._ .' _•- � � 1/¢rt _ •I I t - -- instructions)."
<br /> _ ! Whale House Ventilation(sec operating
<br /> M1507.3.4 Whole-house ventilation using exhaust fans. ".1. M1507.3.2.1 Operating instructions.Installers shall provide
<br /> - This section establishes minimum prescriptive requirements the manufacturer's nsta111110n,operating instructions,and a
<br /> for whole-house ventilation systems using xhaust fans.A • whole-house ventilation system operation description.
<br /> _ - _ system which meets all the requvemests of this section shall NI1507,3,3 Mechanical ventilation rate.The whole-house
<br /> •
<br /> be deemed ro satisfy the requirements for awhole-house' i mechanical ventilation system shall provide outdoor air to each
<br /> = _ ventilation system- habitable space ata conthmoua rate of not less than that
<br /> •
<br /> M1507.3.4.1 Whole-house ventilation fans.Exhaust fans I determined in accordance with Table M1507.3.3(1).
<br /> - providing whole-house ventilation shall have a flow rating at Exception:The whole-house mechanical ventilation system
<br /> __ 0.25 itches water gauge as specified in'fable MI507.3.3(1). is pemritted to operate intermittentlywhere the system has
<br /> _ - Manufacturers'fan flow ratings shall be determined according controls that enable operation for not less than 25 percent of;
<br /> to HVI 916 or AMCA 210. each 4-hour segment and the ventilation rate prescribed in-
<br /> "_. - -,.,_ Table MI507,3,3(1)is multiplied by the factor determined i s
<br /> 7342 F•rn no Whole-house fans located 4 fee or
<br /> I M150... i t accordance wills Table Ml ()
<br /> - 507.3.32.
<br /> I _ less from the interior grille shall have a sone rating of 1.0 or
<br /> •
<br /> less measured at 0.1 inches water gauge.Manufacturer's noise.
<br /> I • ratings shall be determined as per HVI 915(March 2009)- r
<br /> E Remotely mounted fans shall be acoustically isolated from the
<br /> i structural elements of the building and from attached duct �n
<br /> _ work using insulated flexible duct or other approved material. I
<br /> •- - M1507.3.4.3 Fan controls.The whole-house ventilation fan
<br /> '• shall meet the requirements of Section M1507.3.2 and
<br /> M1507.3.2.1.
<br /> • - M1507.3.4.4 Outdoor air inlets.Outdoor air shall be -I ��,�/u1T/2,�J
<br /> ` distributed to each habitable space by individual outdoor air' I 'A/ J'eeO , e f(�V�At.447e`-9r
<br /> -• inlets.Where outdoor air supplies are separated from exhaust V V ' +'
<br /> - = - - installation of provisions
<br /> duct,underwttineg doors,au flow by • S'6C.,'�
<br /> doors,by i shall be to
<br /> - - •
<br /> installation of grilles,transoms,or similar osseous.Doors shall \ s > ��F`
<br /> • - be undercut to a minimum of 1/2 inch above the surface of the
<br /> -' finish floor covering. ���7 3 /
<br /> • Individual room outdoor air inlets shall: pi
<br /> 1. Have controllable and secure openings; •
<br /> ... 2. Be sleeved or otherwise designed so as not to
<br /> compromise the thermal properties of the wall or '•I •
<br /> ,,. window in which they are placed; -
<br /> 3. Provide not less than 4 square inches of net free area of
<br /> opening for each habitable space.Any inlet or ,I '
<br /> atMn of
<br /> which
<br /> vide 10 cfm at 10
<br /> I .. - -- - Pascals are deemed
<br /> quivalent to 4 square inches net
<br /> __ _ _.___ _._ .___.... ..____.. _ ..._.. _ ._........_. —._ I/.I FIN SI` P �n4 free area.
<br /> • /D ) 17-G, inlets shall be screened or otherwise protected from shy by
<br /> - leaves o other material.Outdoor air inlets stroll be located ho
<br /> tl j as not to take air from the following areas: ` 1 1
<br /> -LE
<br /> �‘ 1. Closer than 10 feet from an appliance vent outlet, J-a/�+ �(—,ly �',/\
<br /> f I / l unless such vent outlet is 3 feet above the outdoor air
<br /> .. -._ ._ .. __ _.../ '-j- 1, , inlet- APPROVED BY:
<br /> ,'2. Where it will pick up objectionable odors,fumes or _ DRAWN BY -
<br /> - I- - flammable vapors.__
<br /> ___.____ ---- _ -_..__._-_______ ... 3. A l azardo so or unsanitary location -
<br /> • $. A roost or space having any fuel-burning appliances
<br /> . • - - Clthereser. ,
<br /> 5. Closer Man 10 feet from a vent opening of a phimbing - 'ry' '
<br /> drainage system unless the vent opening is at least 3 CIT Y Oh kV EKc I{DRAWING NUMBER a7 ;3
<br /> feet above the air inlet. REVIEWED FOR PERU -e (Oti q
<br /> �, Attic,crawl spaces,or garages. _.
<br /> is=1`, a r_..
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