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- 2006 Washington State Nonresidential Energy Coae Compliance Form "��
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<br />Mechanicat-GeneralRe uirements 7472.BVentilationControlsforHigh-0ccupancyl4eas:�emandconVol
<br />q ventilalion (DC� is required lor spaces lhat are larger than 500 tt2, have a Cesign
<br />7477.1 General: Equipment shall have a minimum peAormance at lhe specified occupancy far ventilation oi greater than 40 people for 1000 fl2 oi Ooor area, and are
<br />rating conditions nol less than ihe values shown in Table 14-tA Ihrough 14-1G. II a served by syslems with one or more ol ihe following:
<br />nationally recognaed ceAifcalion program exists for a product covered in Ta61es a. An air-side economizer, �
<br />744A ihrough 74-1G, and it inclutles provisions tor verification antl challenge ol b. Automatic modulating control ol the outdoor air damper, or
<br />equipmen� eHiciency ralings, �hen the product shail Ce listetl in the certifcation � A design ouldoor airflow greater �han 3000 chn.
<br />program. . Exceplions:
<br />Gas-fred and oi4fired lorced air lumaces with input ratings > 225,000 BtWh (65 �.S stems �+ith energy recovery compying wilh Sedion 1436.
<br />kV� and all unil heaters shall also �ave an inlermitlent igni;ion or inlerrupted device Y
<br />(IID), and have eilher mechaniwl tlrafl (including power venling) or a Ilue damper. A 2. Multiple-zone systems without direct-di9ital conVol ol individual zones
<br />ient damper is an ar,ceplable altemative to a Ilue damper lor furnaces where communiwting vnth a ceniral coniroi panel.
<br />combustion air is d2wn Irom lhe wndi�ioned space. All furnaces with input ratings> 3. Systems with a design outdoor airllow less I�an 1200 ctm.
<br />215.000 BIWh (65 kV�, including eleclnc furnace�, that arc nol located wiUin lhe 4. Spaces where ihe suppy airflow rate minus any makeup or outgoing
<br />condilioned space s�all have jacket losses not e:ceeding 0.75% ol the input rating. transfer air requirement is less lhan 1200 cfm.
<br />14N.2 Ratlng Conditlons: Cooling equipmenl s�all be rated at ARI test contlitions �41J Air Economlzen
<br />and procedures when availa6le. Where no applicaCle praedures exis�, dala shall �413.1 Operatlon: Air economizers shall be ol automalically modulating oulside ana
<br />be lumished 6y the equipment manutacturer. return air dampers to provide 100 percent ol the design suppN air as outside air to
<br />1411.J Combination Space and Servica Waler Heating: For combination space reduce or eliminale the need for mechaniwl cooling. Waler economizers shall be
<br />and service water heaters wilh a principal lunction of providing space heat, Ihe �pable ol providing Ihe total concurtenl cooling load served Oy the conneted
<br />Combined Annual Efficiency (CAE) may be wlculated by using ASHRAE Standard terminal equipmenl lacking airside economizer, at oulsitle air temperaWres o145°F
<br />72q-7991. Storage waler healers used in combinalion space �eat an0 waler heat tlry-buID140°F we4Gulb and below. For ihis wlculation, all laclors including solar and
<br />applicalions shall have either an Energy FAcror (EF) or a CAE of not Irss lhan lhe intamal load shall be ihe same a5 those used lar peak Iwd calculations, e:cept for
<br />lollowing: the outsiAe lempe2tures.
<br />EF CAE Exceptlon: Water economizers using air-cooled heal rejection equipmenl
<br />< 50 gal storage 0.58 0.71 may use a 35°F dry�bulb outside air temperature lor lhis wlculalion. This
<br />exception is limited to a mazimum of 2o tons per building.
<br />50 to 70 gal stora9e 0.57 0.71 �d��,q Documenlatlon: Waler ewnomizer plans su6mitled for app�o�al shall
<br />> 70 gal storage 0.55 0.70 inclutle Ihe lollowing inlormalion:
<br />10H.4 Packagetl Electric Heating antl Coaling Equlpment: Packaged eleciric 1. Maximum oulside air conditions lor which economizer is sized lo provide
<br />equipment pmviding both heating and cooling with a total cooling capaciry greater 2 De'siAnlcoolin loatl to be rovided Ey ewnomizer al this outside air
<br />than 20, BWIh s�all be a heat pump. 9 9 P
<br />Ezception: Unstafled equipment shaelters or cabinets used solely lor condilion.
<br />personal wireless service facilities. 3. Heal rejection and terminal equipmenl perlormance data including moEel
<br />1472 Controls numher, flow rate, capadry, entenng and leaving temperaWre ir tull
<br />141].1 TemperaWre Controls: Each system shall be pwvi0ed with at least one econom¢er cooling mode.
<br />temperature control tlevice. Each zone shall be controlled by individual thermostalic 141�.31ntegreted Operation: Air economizers s�all be capaDle al provitling pzrtial
<br />conirols responding lo tempereture vrilhin Ihe zone. Al a minimum, each floor of a cooling even when addilional mechanical cooling is required lo meel the remainder
<br />building shall be consitlered as a separale zone. of Ihe cooling load.
<br />14fY.2 Deadband �:onl:ois: When used lo conlrol both wmlort healing and ExcepUons:
<br />cooling, zone theimo:!atic conlrols shall be wpable of a deadband ol at least 5 7, Indivitlual, direct expansion units thal have a rated capaciry less than
<br />degrees F vnlhin which lhe supply ol heating and cooling energy lo the zone is shut 65,OOU Btulh and use nonintegrated economizer controls that
<br />ott or reduced to a minimum. preclude simultaneaus operalion of lhe econom¢er and mechanical
<br />Ezceptlons: coaling.
<br />1. Special occupancy, special usage, or cotle requirements where 2. Water-cooled water chillers with watersitle economizer.
<br />deatlCand coNrols are not appropriale. 141J.4 Humidi0cation: II an air ewnomizer is required on a cooling system for
<br />2. Buildings complying with Section 1141.4, if in lhe pmpose0 6uiltling which humidifiwtion equipmenl is lo h> provided to maintain minimum indoor
<br />energy anaysis, healing and cooling iheimostal selpoints are sel lo humidiry levels, lhen lhe humitlifier shall be of ihe adiabatic lyDe (direct evaporalive
<br />the same temperalure Eelweei� 70 degrees F antl 75 degrees F media or log atomization lype).
<br />inUusive, and assumed to he constant throughoul Ihe year. ExcepUans:
<br />3. T�ermoslals l�at require manual changeover between healing and 1, Health wre facilities where WAC 246-320-525 allows only steam
<br />cooling modes. injectian humidifers in ducMrork downslream of final fllers. 1412.6
<br />7q12.� Humidiry Contrals: It a system is equippea with a means lor adding Comhuslion Healing Equipment Controls: Combustion healing
<br />moislure, a humidistal shall �e provided. equipment vnth a capaciry over 225,00� Btu/h shall have modulating
<br />1412.4 Set6ack and ShutAfh HVAC systems shall he equipped wilh aulomalic or staged canbustion wNml.
<br />controls capable of accomplishing a reaucUan ol energy use through wntrol sethack 2. Systems with waler econom¢er
<br />or equipment shuttlown durin9 penods ol non-use or allernate use ot the spaces �, 100% outsitle air syslems with no provislans lor air recirculatian lo Ihe
<br />served by the syslem. The automalic wntrols shail have a minimum seven�day cenlral suppN lan.
<br />clock and he capa0le ol being set lor seven di(ferent tlay types per week. II mus� q, Nonadiabalic humidifiers cumulalively serving na more Ihan 10% ol a
<br />retain pmgramming antl lime for a power loss o110 hours and include an accessible building's air economizer wpaciry as measured in clm. This refers to
<br />manual override ol up l0 2 hours. the syslem clm serving rooms wilh sland alone or duct mountetl
<br />Ezceptlons: humidifiers.
<br />1. Syslems serving areas which require conlinuous operaGon al lhe 1474 DucUng Systems
<br />same lemperalure selpoinl. 7414.1 Sealing: Oud work whic� is designed to operale at pressures above 1l2 inch
<br />2. Equipmenl with lull load demands o12 kW (6,82fi Btulh) or less may water wlumn stalic pressure shail he sealed in accordance vrith Slandard RS-78.
<br />be wnlrotletl by readity accessi6le manual oN-hour conlmis. �ent of sealing required is as (ollows:
<br />3. Systems contralled by an occupant sensor lhat is wpable ol shulting 7, Slatic pressure: 112 inch l0 2 inches; seal transverse jaints.
<br />t�e system ofl when no acupant Is sensed lor a period ol up l0 30 p, Static pressure: 2 inches �0 3 inches; seal all Uansverse joinls and
<br />minutes. longitudinal seams.
<br />4. Syslems controlled solely 6y a manually ope2ted limer caoable ot 3. Static pressure: above 3 inches; seal all iransverse joints, longitudinal
<br />operating lhe system for no more than hvo hours. seams antl duct wall peneUations.
<br />1472.M1.7 Dampers: Outside air inlakes, exhausl outlets and relief oullets serving Duct lape and olher pressure sensitive lape shall not 6e used as lhe primary
<br />mnditioned spaces shall Ge equipped with dampers which close aulomatically when sealanl where tlucts are tlesigned to operele at stafic pressures of 1 inch W.C. or
<br />Ihe system is oN or upon power faiWre. Slair shaN and elevator shaft smoke rellef y�ealer.
<br />openings shall be equipped vrilh normally open (tails ta open upon loss o1 power) 7414 Z Insuiation: Ducls and plenums t0at are wnstructed anA functian as part of
<br />dampers. 7hese dampers shall remain closed until activated by Ihe fire alarm 1�e builtling envelope, �y separating interior space Iram eztenor space s�all meel all
<br />system or ol�er appwved smoke detection syslem. applicable requirements of Chapler 73. These requirements inctude insulation
<br />Ezceplions: installalion, moisture conlrol, air leakage, antl huilding envelope insulaUon levels.
<br />1. Syslems serving areas which require canlinuous aperation. Unheatetl equipment rooms wilh combusUon air louvers must be isolaled Irom ihe
<br />2. Combustion air inlakes. conditioned space by insulating interior surtaces lo a minimum af R-11 and any
<br />3. Gravily (nonmolorized) tlampers are acceplaDle in buil0ings less e�erior envelope surlaces per Chapler 13. Outside air tlucls serving intlividual
<br />than 3 stories in heighl. supply air unils with less than 2,800 cfm ol tolal supply air capacity shall6e insulated
<br />4. Graviry (nonmotorized) dampers are acceptable in ezhaust and reliei �0 3 minimum ot R•7 and are not consideretl huilding envelope. Other oulsiae air
<br />outlels in the frst story and levels helow the �rst story ol 0uildings ducl runs .^:e considered builtling envelope until lhey,
<br />!hr�a r,r more stories in heighL ... �: _.. 1. Lonnect �o the heating or cooling equipmenl, or . ., ..-'^T..41^ �
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