Laserfiche WebLink
. � n; <br /> � , - . .. � ��'�� ,, <br /> � <br /> � �� � � � <br /> � t� " ° ' `���.� <br /> 3�` � �� , : <br /> M1507.3 l3'hole-house mechanical ventilation system. � � � <br /> • - Whole-house mechanical ventilation systems shall be designed � } '� <br /> in accordance with Sections M15073.1 through M1507.3.3. � <br /> � � ' I <br /> , M1507.3.1 System design.Each dwelling unit or guestroom I �� � <br /> � shall be equipped with a ventilation system complying with .�.�.' <br /> . � • Section M15073.4,M1507.3.5,M15073.6 or M1507.3.7. j.,�.� ;� <br /> Compliance is also permitted to be demonstrated through i � '��'� <br /> ` — C.a' �� � ��'p�> J ` : compliance with the Intemational Mechanical Code or , <br /> ASIII�E Standazd 62.2. � ! �� <br /> .. ".�.'o" '�' . . , <br /> � - 1YI1507 3 2 Control and operation <br /> � i <br /> � 1. Location of controls.Controls for all ventilation i ` <br /> I�'l1507.3.5 l'6'hole-house ventilation integrated with a � 2o B� �A O� �� <br /> systems shall be readily accessible by the occupant. ' ;y.� <br /> ' � 2. Instructions.Operating instructions for whole-house � ' %� <br /> .:.. <br /> forced-air system.This section establishes minimum _ <br /> prescriptive requirements for whole-house ventilaiion � � � - h ovided to the occ p t <br /> .i...�.._ <br /> systems integrated with forced-air ventilation systems.A i � � ���,! ventilation systems shall be pr ' u an � `� <br /> 1 ��,,�.. ��' ,,{,,y �:a� ( by t e insfaller of the system. <br /> system which meets all the requirements of this section shall . ������ , _��� <br /> f 2 a' <br /> --��-�-�M-�--� �� 3. Local e�aust systems.Local e7chaust systems shall <br /> h' ; <br /> '"�'�..�.. f(� , be controlled by manual switches,dehumidistats, ? , <br /> be deemed to safisfy fhe requirements for a whole-house 1 . s : <br /> ventIlarion system. � . . j , � � � � <br /> • M1507.3.51 Integrated whole-house v e n t i l a t i o n ' � ' � timers,or other approved means � . ' ` <br /> � �� <br /> � � 4. Continuous whole-house ventilation systems. '�'-�'" <br /> { %� s Continuous whole-house ventilation systems shall ' ' <br /> systems.Integrated whole-house ventilation systems i � � a f � . ` <br /> I � , '���.�"(.��'���.� � � ,� <br /> shall provide outdoor air at the rate calculated using � j , �, � <br /> operate continuously and be equipped with an ,� <br /> Section M1507.3.3.Integrated fozced-air ventilatio � � r : ��� �� .� <br /> � � � � � I �i override control.A"fan on"switch shall be permitted <br /> systems shall disiribute outdoor air to each habitable , � 1 i�' <br /> ,� as an override control.Controls shall be capable of <br /> � � y operating the ventilation system without energizmg � <br /> space through the forced-air system ducts.Integrated �, , .�„ � � � � , ( <br /> forced-air ventilation systems shall have an outdoor air ( t ` ' ' � �, � ���3; <br /> inlet duct connecting a ferminal element on the outside of s 6� r; � ; R� ntro ead lsible ,� <br /> — t other ener consumin appliances A clearly v' ' �� ,� " <br /> � � , �� � label shall be affixed t the co ls that r s <br /> the building to the retum air prenum of the forced-air � p � � y� � _ - � G t Ventilatio e p rati g <br /> , ( <br /> . . : � � --- --r- ��'� _ `' <br /> " �� �'���.. <br /> system,at a pomt within 4 feet upstream of the au' I � � � <br /> �. . , . , ,�, w., � ...� } .. .., �/..... .. .._ �..._ m..._... �. r� ructi ns)se f ; � <br /> � ��� R <br /> �,,,,� �-�.. ` . ' n se o e 'n .�, <br /> � ..... ���( ��}�'; � <br /> .��� <br /> � � �� . <br /> � . � ' � <br /> ins '�" ; <br /> handler.'The outdooz air inlet duct connecfion to the I , e� � _ 5 _ <br /> � Intermittent whole house ventilation systems � ?'�-�:� <br /> ! : i ;� _... L. �'.1a�.�� �,,��� �� � � , <br /> � ��� � Intermittent whole-house ventilation systems shall � i ; �� <br /> return air stream shall be located upstream of the forced- � ��E \�.,��^:�. .. , <br /> air system blower and shall not be connected directly into ! , , ' : y ti� y� . <br /> o the heat I � r � � ��� � � r� <br /> � comply with the following: _�,,,�,� <br /> a furnace cabinet to prevent thermal shock t 1 ; �f ` ' � 'C�' <br /> S �'� �^�'.. s 5.1. They shall be capable of operating <br /> exchanger•The system will be equipped with a motorized i .z ; � � . �}- 1 f � <br /> � .. , , f o� � ..�!��4,(� � d ,� intermittently and continuously. 1 ' � <br /> damper c o n n e c t e d t o t h e a u t o m a t i c ventilation control as , � � � . , <br /> .The re uired flow rate ' ..,1 y $ � t �� i3 � C�'y'"�����,�n` �� 5.2. T`h e y s h a l l h a v e c o n tr o l s c a p a b l e o f op e r a t i ng } € � � <br /> ' specified in Section M1507.3.2 q I • j � . � a„ a r-"-'" C � <br /> � ' ��` , the exhaust fans,forced-air system fans,or ' � <br /> shaIl be verified by field testing with a flow hood or a _ ��=�i��� '� ' <br /> ; supply fans without energizing other energy- ; 1 s �� <br /> ; # ` �-��( � -�-- .� <br /> flow measuring station ` •. t <br /> ! � ,� ;. m consumin g a p p1iances.5.3 i j # �� <br /> 3.5.2 Ventilation duct insulation.All supp ly �� � �� ,,. y4 .. � t 5.3. T he system s ha ll be designed so that it can <br /> �� � # <br /> M1507 � �, , <br /> • ducts in the conditianed space shall be insulated to a I : _____ �, �`� '`�"�'' 0 __�����_,�._ __ „ .___ _ <br /> , � ased on the typ of � <br /> operate automatically b e + � ' <br /> � � � s����..• . .. .. �;.:� ; . r� - <br /> " � s = <br /> control timer installed s <br /> minnnum of R-4. � ,. ���� t� � 5 4 <br /> , `�'� <br /> __________. . — � .Y �"�� 1 �� � � � . . T'he intermittent mechanical ventilation system � <br /> � ���{ r�t --- � _ � <br /> M1507.3.5.3 Outdoor air inlets.Inlets shall be screened � ra'�� \, , '.. � ....,�, shall operate at least one hour out of every <br /> � �.:: , a : � � � : <br /> or otherrvise protected from eniry by leaves or othez n . . • .�;�'� � ��� (� � � _ _ , f°ur. . <br /> �`� . � ( 2�.`��3� �s � � ` <br /> material.Outdoor air inlets shall be located so as not to � , =� ��� 5.5. The system shall have a manual control and � ; � <br /> • take a'u from the following areas: s , m t_�,(�.(- . I pM '���� automatic control,such as a 24-hour clock <br /> than 10 feet from an appliance vent outlet, � r i y�'' � m '� ' (� EG � . ; � _ _ � <br /> 1. Closer � � _ { t timer. � ? <br /> unless such vent outlet is 3 feet above the outdoor air � � ` P � � ��"^�� s <br /> � . ' { � d 5.6. ; <br /> � <br /> �j�j �i� � <br /> inlet. �mes or � °' '��� � �( � / z -�'� � p � ' � s � .� . ��''�`�"���w �� � : 5.7. At the time of final inspection,the automatic ' � � <br /> t� ! �j Q .' �� ; � : �' �'!/�tvl � � control shall be set to operate the whole-house � 3 <br /> 2. Where it will pick up objectionable odors, �� �f��� I'`� `� � / <br /> • flamiriable vapors. �� � �� � <br /> us or unsanit location. ��.. � ��'��C / : � : '' -_��� <br /> z �=� . �. { �/1j������l � fan according to the schedule used to calculate � r � <br /> 3. A hazardo �5' . . . � ' . _ _ <br /> � 4. A ioom or space having any fuel=buming appliances � i _ `~" � _ } ��JJj���� the whole-house fan sizing. <br /> , <br /> � �� � .��' � � i � . <br /> . , ,. .' , . � :. . ,. � `� . .,.. <br /> ; . . . , �+ � ' ,. _ <br /> i �' \ — - _ + ; �Y r`���� - � � � 5.8. A label shall be affixed to the control that reads i <br /> therein � � . t 1 t ( t <br /> ., , � �, ' .,. � : . � - •.. :. <br /> � . _ <br /> 5. Closer than 10 feet from a vent opening of a �, --�,T--� • ° • � � _"�'�� ...__ f i '�' Ven i a io e p ra i g <br /> ' - - i t <br /> �. � � . <br /> lumbing drainage system unless the vent opening is ��- ' � ' ns c io <br /> 1:,- �. ��� t f <br /> � �°- � "Whole House ' n se o e n � <br /> .: . , - <br /> . . �..,`� <br /> .. <br /> v . . <br /> P , , s �`"i ti <br /> _ "_�...� ---- � <br /> ; � " `Q tru. ns).�� <br /> �` ���` � ��:.�-��,c���� �� <br /> ,�. ' �� � _ •. �7 • �. ���;.,'�.�' � __._�...,__._. ....__ 1 I1507.3.21 Operating instructions.Installers shall � � � � <br /> at least 3 feet above the air inlet. � � . � :��� /'�' .. ����� . �. � � provide the manufacturer's installation,operating �S� � P <br /> ,: �� _ �� ��� , ,�— . , � <br /> 6. Attic,erawl spaces,or garages. � : 1 h <br /> `�� . . � �ct p (�, �--�---�-s`""—'�.- �-.�!�f`� instructions,and a who e- ouse ventilation system � �� i <br /> ,. � � .: f . , _ ra ion description. <br /> . , � . .. �� � � , � i�� �--� : � � �.'r-�' CY ope t' � i <br /> ,;. . . _ �f � <br /> :• .:' <br /> � �.�' '�", � � C � ��� �!� , ��� • -�--�' ��i`� . . whole- �i <br /> :. � <br /> � , , -. � <br /> ^ . <br /> .. . .. $ J.,, . �� M1507 3 3 Mechanical ventilation rate.The <br /> I <br /> . , ,�-' , .. � . � � . � {_ <br /> : :�.:� .. �� . �c�.. � � <br /> � : __ � : ` _d. � �-����. ���!�,� " �•����� house mechanicat ventilation system shall provide � <br /> � . outdoor air to each drvel ' � � � <br /> ,, _. �� . �p� Img un continuous rate of , <br /> - � " �''� at determmed m accordance th T bl j <br /> � . _ �" ����. �' �' :: � . . `�{`1��y,�� �' � �� <br /> - <br /> : . .. � . not less than th �vi a e <br /> 1 _ iaa <br /> � � _ � , . � �„� .. <br /> , . : <br /> � . <br /> . : � ,.. _ _ . . <br /> . .. .. . w - - . _ <br /> �„ _� M15073 3(1). <br /> , � �a, ;; � �� � _ _ : � Exception•The whole house mechanical ventilation � <br /> v 1 , r.. <br /> � J j <br /> _ . � stem is <br /> • ,_ ..,_...___. _:. , <br /> � � � <br /> �_ � <br /> � � _ _ � , . --� �� \ _ � sy ' permitted to operate intermittently where the � 4 <br /> , . � "" - . e . system has controls that enable operation for not less ' ; <br /> • - - �„�� � ,_r, _r,_,.____ � fhan 25 percent of each 4-hour segment and the <br /> . ;. . ,. . . v d T bl M150 <br /> ' ; <br /> . <br /> . . � . . . 33(1)is � <br /> . . �; <br /> �.. <br /> ��� � € <br /> � � entilation rate prescribe in a e 7 � <br /> ` . � r�',� ; ' ��+��'.. � . *� s multiplied by the factor determined in accordance with <br /> �� �j _ � . . � �✓�4 I � ''. (1 Table IvI150733(2). ; �. 1 <br /> y 'j ,e <br /> . . . � � � , � � . . -�^,,,� � . . ,t� ! . . s_, ��� � � �{ <br /> . _ ' � � � �.. ` � . .�.. � .. , FL/: _ : �. 1 � �qq�( � . .,. � � �. . . � . - . , � � { <br /> . � . . . . . . . 11E..�t � � '� , � � <br /> . . . � . � . � � �p . , ,,,,.ti � , . � ; � �� <br /> . � . � � . �� `�� � � ` � <br /> � _. � : - <br /> , �,.:fl . . - ----- — •� - ------- <br /> , . <br /> __ ____.._,_,_ �j � <br /> ,. . : . . , _ <br /> i/� ,` � •' ".� � , � <br /> .__..;� '"'` <br /> �. Q - � .._. �.,,, . . �.�.�'•�.._.' '§; �..:,,, <br /> , : .,. <br /> , . .� ��'� � -- - - - - <br /> , � - .._�... -••--. . .� . ---- '.._ . ...... . . ... .. .._ — <br /> �V��4� ,�+ir�����y��• �f �� ; <br /> . .�..... <br /> .. . . �. .� .i'k""+--:_...t...��..� � . . . . . . . <br /> � ...�.. � �� ' _ <br /> .. ..e..�...-� . <br /> . . ' '. ' . . ' ' . '. �Y � . . . .. �..�{���.. �+�...�- ' . <br /> . ... � �s` � ' � � ' <br /> . . ... ��R ��"., . <br /> mr <br /> f <br /> . : <br /> r _ <br /> � ____.��, . . 1 . ._ _..... �:�! .��._.......�...__...__.----- � € <br /> _�. 1 <br /> ... __. <br /> --..__.�� <br /> � � � ..... _.. . . ....,. _._.... . .__...... !. <br /> � <br /> � • _______. ... . °,..__ _.... � q y <br /> . ;. -- - �.aC � { [ <br /> _._. . . ,_ <br /> -..,.._ <br /> .. . ._ ____. .... � � �` _ �_._. ._.. ..���:����...... � . <br /> � �. ..._ . _�_ ��=�_ . _. -� � � .: .. �� ��� <br /> �� . � <br /> � - . _ � , ,y �p <br /> . <br /> . . ___ _ _. _ _ <br /> .� . .' . . . . '. :. �.wr.....,.. .........�.......yr^�..... ... .. _;. �__..� �..,.......__. ' ' ' +�N.( }ry�'/ . <br /> �� � S <br /> � �p0 '(A -. . ....... � .. ,_'.. ...� »G,� i <br /> f E <br /> .i. � _ a -�»,.,.� .`t <br /> y � : < . �c�6� ���'E 3 <br /> : ,: _.�.���=.�' ..�"r`�_G.�._,.�_.___._-_�-_ � _._. � _....w...._ ..����.. ���.�. _______ ; �� }4 <br /> .���...�_ __ �; , <br /> .� . . � ���� ��, � �� �- , �� <br /> , � ���� � . � . � ► � ���' , i � <br /> --- - -- - - . 1� � <br /> ,�p. ��. � . � , �� �� .� ) # ���; <br /> . � � �� . . � � � . � <br /> ' f�� ` �: ` <br /> . ;�� ��� � �._ � �. <br /> . , ,�. _-�...,. �.�..._...�._.... � � . °� .����� e;����:� i �r � �.' <br /> ��. . � � � � � �;. � �I�` B <br /> . <br /> j , ~ <br /> ..� �`\Y �1 �� �� �� �����j��y`���� S � �F�� <br /> � c� P. ,� ; ; �. <br /> . ,�� � � , , �:� �� <br /> �.�r � ���� ���a � <br /> � ' : . . � .S � � � . ' . � � 3.--" '� _ . . / ✓:' rry1° Q� i �F � 3 7 . <br /> ��d ' . . ( . . . _- p��� J � � �J�_/�.'_"_ ,C . ''� �'��7��; ' t ^� � <br /> ,�..: . : ,��,.� . . – - – - , � <br /> �.(. p _ <br /> ' � ��"� ` ! �4 d �– ' ��t a..-` F .� ( . <br /> �4 <br /> y • � — , <br /> , ' ♦ � '. ��'� � � �.a,1���� � � ;: [�i,���� t <br /> . . ' . - ' . . � . � � _, &./` �i Y;� l� �� � ] ��W3 � <br /> + � � ' � ' ����t� �� �,�,,/�� }} <br /> � �• � � .,, � � . � . �� � . , � �. �,�t�� 'a � ,"`_!:�� <br /> � �� <br /> i 5 ( <br /> Y S � ; <br /> ' �. <br /> . . � 1 ��.�"'��. <br /> ���� ���� . ���� ���� � �4 � ' �, <br /> ����� �`��f� 4 � <br /> � � ; �-� <br /> . !J/ ,�� j �� � y . �N �$ , �; ;�/ � �� � � ..,�„ <br /> ��� \\`� � � / � 1� ; � <br /> ^�—� � . �IA � Q • 4 1 � <br /> , � �`3 �°�� <br /> , . ;�� . � ' �9�� �� ����'�i � <br /> , <br /> . 0 ` � .r- , ; <br /> , . ���/��VV�� ��� p����� �� ;:-� ; � <br /> � � � <br />