Laserfiche WebLink
� ___ _ _ _ _ __ __ _. __ _ _._ _ _ _ <br /> �l <br /> � . : _ <br /> , M1507.3.2 Control and o eration. . <br /> p �^ <br /> 1.,Location of controls. Controls for all ventilation s stems shall be readil accessible b the occu ant. v, • <br /> Y Y Y p ' _ <br /> 2. Instructions. O eratin instructions for whole-house ventilation s stems shall be rovided to the occu ant b the installer of the s stem. : ' <br /> p 9 Y p p Y Y � <br /> 3. Local exhaust s stems: Local exhaust s stems shall be controlled b manual switches dehumidistats timers or other a roved means. <br />_ Y Y Y � � . � pP <br /> , , . , , , . . . _ � <br /> 4. Continuous whole-house ventilation systems. Cont�nuous whole-house ventilation systems shall operate continuously and be equ�pped w�th <br /> an override controL : W <br /> „ „ . . , : _ <br /> A fan on switch shall be perm�tted as an override control. Controls shall be capable of operating the vent�lation system without energizmg BE�R��M 4 <br /> BEDROOM 5 C <br /> other energy-consuming appliances. <br /> . G�CI G <br /> ; . . . „ - - . . . „ ' <br /> , A clearl v�sible label shall be affixed to the controls that reads Whole House Ventilation {see operating instructions). <br /> Y � <br /> � : _ . , . - . . _ . . , . _ <br /> _ 5. Intermittent whole house yentilation systems. Intermittent whole house ventilat�on systems shall comply�nnth the followmg. WAL� N�A1�p <br /> ' ' ' ' _ - _ O <br /> 5.1.They shall be capable of operating mterm�ttently and continuously. <br /> II n r I r in a forc - ir ste f ns or I fans wi o t ener izin o h r <br /> 5.2. They sha have co t o s capable of ope at g the exhaust f ns, ed a sy m a , supp y th u g g t e � <br /> ener -consumin a liances. _ : <br /> 9Y 9 pp . <br /> 5.3. The ventilation rate shall be ad'usted accordin to the exce tion in Section 403.8.5.1. - _ � : _ ' <br /> 1 9 p <br /> 5.4. The s stem shall be desi ned so that it can o erate automaticall based on the e of control timer installed. , <br /> Y 9 p Y tYp , W <br /> 5.5. The intermittent mechanical ventilation s stem shall o erate atleast one hour out of ever four. . ? <br /> Y P Y _ : �— <br /> . _ . WAL� N�A1�p _ : � <br /> 5.6. The system shall haVe a manual control and automatic con#rol, such as a 24 hour clack timer. G�CI <br /> . : . : . , _ � ` <br /> 5.7. At the time of fmal inspect�on,the automatic control shall be set to operate the whole-house fan according to the schedule used to B E[�R��M 'rj <br /> . . BEDROQM 4 <br /> calculate the whole-house fan siz�ng. � , <br /> ' 5.8. A label shall be affixed to the control that reads "Whole House Ventilation see o eratin instructions ." <br /> � p 9 ) <br /> M1507.3.2.1 O eratin instructions. Installers shall rovide the manufacturer's installation o eratin instructions and a whole-house : <br /> p 9 p , p 9 � O <br /> �, ventilation system operation description. - <br /> � � • • • • - - � • . <br /> M1507.3.3 Mechanical ventilation rate. The whole-house mechamcal ventilat�on s stem shall rovide outdoor air to each dwellin unit at a ;, � <br /> y p g Z V�N1"plp� . <br /> continuous rate of not less than that determined in accordance with Table M1507.3.3 1). : <br /> ( SD <br /> EXCEPTION: : _ <br /> — �. w > — cn — Oz <br /> _ . . . . . , . - - —_.- - __ � s , <br /> The whole house mechamcal ventilation system �s permitted to operate intermittently where the system has controls that enable operation for {�r- , , <br /> not less than 25 ercent of each 4-hour se ment and the ventilation rate rescribed in Table M1507.3.3(1) is multi lied b the factor determined I o 0 0 <br /> I _ <br /> � <br /> p g p p y BEDROOM 3 i ❑❑ 5 , <br /> in accordance with Table M1507.3.3(2). �- - - -- - - - = - - - -- - <br /> � � 5D <br /> . � — <br /> Table M1507.3.3(1) � <br /> . <br /> � <br /> I <br /> , _ , . . , . � <br /> Cont�nuous whole house Mechamcal ventilation system airflow rate requ�rements � � <br /> I _ <br /> NUMBER OF BEDROOMS <br /> I I <br /> � <br /> � i BATH 2 <br /> _ i � <br /> WAL� N�A1�� � _ : ` � <br /> DwellingUnit 0-1 2-3 4-5 6-7 >7 : I � v <br /> ; Floor Area _ <br /> _ � Wl�l/n W/N I � _ <br /> + (Square feet) ' ' � T <br /> A�rflow in CFM � � l ` <br /> _ , . �.J <br /> <1500 30 45 60 75 90 I _ O <br /> , O <br /> \ <br /> 1,501-3000 45 60 75 90 C p n/� <br /> 105 � p � Ct�C� � _ <br /> 3,001-4,500 60 75 90 105 120 L7CDROOIVI � <br /> � �xisriNG Hor/ � � s . . — <br /> 4,501-6,000 . 75 90 105 ,120 135 8�C�1� � � <br /> ` co��wA�p , ` � <br /> vms �- <br /> �� � . <br /> 6,001 -7,500 90 105 120 135 150 5 5 _ � � _ <br /> >7 01 105 2 16 _ <br /> _ _ �5 . 1 0 135 150 5 5 m <br /> �XISTING S�IN�p pOlN�p pAN�� i � <br /> , _ . . _ 2�OV20AMp-12/3 WG S� � <br /> For SI.1 square foot—0.0929 m2,1 cubic foot per mmute-0.0004779 m3/s. I <br /> , _ BATH 2 _ _ <br /> � m � � <br /> Tabie nn�so�.3.s 2 ` BEDROOM 2 BATH 1 � -- --. --- - — <br /> . . . �. � W . . <br /> Intermittent whole -house Mechanical vent�lation s stem rates Factorsa�b KITC H E N wi H <br /> x , � vv�i e Z <br /> � . . <br /> Run-time Percentage in 0 0 _ � <br /> 25% 33% 50% 66/o . .75% o � <br /> Each 4Hours Se ment 100/o U <br /> � g ._ � <br /> Factor a 4 3 . 2 .1.5 1.3 1.0 I � � <br /> i _ Q W � <br /> Q <br /> � ` <br /> a, for ventilation system run time values between those given.the factors are permitted to be determined by interpolafion. . � _ C ) <br /> b. extrapolation beyond the table is prohibited. � V. <br /> F <br /> C� :o U o <br /> � <br /> �ovv�r� ����� : <br /> _ . . . . . . . . . . _ _ 8o c�M � - <br /> M1507.3.4 Whole house vent�lation usmg exhaust fans. This section establishes minimum prescriptive requ�rements for whole house <br /> . . i II he r irem n of thi sec i n shall be e m i f h r uiremen V11�5 , . <br /> ventilation systems usmg exhaust fans:A system wh ch meets a t equ e ts s t o d e ed to sat s y t e eq ts <br /> � <br /> for a whole-house ventilation s stem. , 120V-(SANIp�I�/2.WG <br />_ y _ BEDR M 2 i BATH 1 KIT H _ <br /> M1507.3.4.1 Whole-house ventilation fans. Exhaust fans providing whole-house ventilation shall have a flow rating at 0.25 inches water gauge <br /> 00 C EN <br /> • • • , , . . _ � , <br /> as spec�fied in 7able M1507.3.3(1 j.Manufacturers fan flow ratings shall be determmed according to HVI 916 or AMCA 210. <br /> I <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 A or less measured at 0.1 _ �- <br /> inches water au e. Manufacturer's noise ratin s shall be determined as er HVI 915 March 2009 . Remotel mounted fans shall be <br /> 9 9 9 p l ) Y O <br /> acoustically isolated from the structural elements of the building and from attached duct work using insulated flexible duct or other approved <br /> � ma eri L N ' <br /> t a <br /> . , , . <br /> ` � � '. <br /> M1507.3.4.3 Fan controls. The whole-house ventilat�on fan shall meet the requirements of Section M1507.3.2 and M1507.3.2.1. <br /> LIVING ROUM <br /> M1507.3.4.4 Ventilation openings. Each habitable space shall be provided with outdoor air inlets or operable windows with an openable area not � <br /> f ' f 10 cfm f outd or air r uired b Table M1507.3.3 1 . Where utdoor air su li s : <br /> less than 4 square �nches of net free area o opening or each o o eq y O o pp e � <br /> . . . r i o in (la ion f i r' ti n u er utt' <br /> are separated from exhaust pomts by doors, provisions shall be made to ensu e a r fl w by sta t o d st ibu o d cts, und c �ng <br /> BEDROOM 1 � <br /> doors, installation of grilles, transoms, or similar means. Doors shatl be undercut to a minimum of 1/2 inch above the surface of the finish floor • <br /> coveri . <br /> ng <br /> ' �-- <br /> . . . . , � �-- <br /> Indiv�dual room outdoor air �nlets shall. � <br /> : , _ ' - _ / <br /> � <br /> 1. Have controllable and secure opernngs, _ SL. <br /> 2. Be sleeved or otherwise desi ned so as not to cam romise the thermal ro erties of the wall or window in which the are laced; � 11� <br /> J p p p Y p <br /> rt 3. An inlet or combination of inlets which rovide 10 cfm at 10 Pascals are deemed e uivalent to 4 s uare inches net free area. - � <br /> Y p q . q � <br /> Ventilation openin shall be screened or otherwise protected from entry by leaves or other material. Openings shalf be controllable, securable � � <br /> g <br /> ' . and shall be desi ned to not com romise the thermal ro erties of the buildin envelo e.Ventilation o enin s shall be located so as not to , <br /> { 9 P p p 9 p p 9 n � <br /> take air from the following areas: , L�U�N V R��M � <br /> _ , . . . � <br /> 1. Closer than 10 feet#rom an appliance vent outlet, unless such vent outlet�s 3 feet above the outdoor air inlet. � <br /> ' ' ' ' i r r I m bl va ors _ � <br /> 2. Where it will pick up ob�ect onable odo s, fumes o f am a e p . p �- <br /> 3.A hazardous or unsanitar location. _ _ : B E�I���M � � �: <br /> Y <br /> _ 4. A room or s ace havin an fuel-burnin a liances therein. � � <br /> p 9 Y J pp � <br /> 5. Closer than 10 feet from a vent o enin of a lumbin :draina e s stem unless the vent o enin is at least 3 feet above the air inlet. - � , • <br /> p 9 p 9 9 Y p 9 OZS � <br /> 6.Attic, crawl spaces, or garages. : � ' <br /> � <br /> 7.As halt roofs unless it is shown that no other location is ermissible. In such cases the inlet o enin shall be located a minimum of 2 feet - � — � ' <br /> p p P g _ <br /> . . . � � � <br /> from the nearest surface of the asphalt roofing, measured from the mtake opening. <br /> � — <br /> ; <br /> � Q � <br /> - - � <br /> : : �..- _ _ - - <br /> U / <br /> I; , <br /> _ , . � � �.(1 <br /> _ � � � <br /> � � <br /> _ SL � S� <br /> �U�C ���� <br /> : � O � - <br /> �c�� ; �i��; , ��,o�, : . <br /> - <br /> - ,.. ,.., <br /> : SHEET _ <br /> � <br /> � - : _ <br />