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I Imm washinoton State Nonresidential Energy Code Compliena Farm <br />Mechanical - General Requirements <br />1612 cenYals <br />1612.1 Temaoratnsre Controls: Each Bysbm shot be Prevmw with at <br />taut am ksmperahe0 cwdid devbe. Each sane shot be CMeakd by <br />Individual titernnteeta- atnere. respondent to hu peraaure notion Ma sons. <br />At S pet min nae, oath fee, of a bnsit' sal be cons" ered as a sourMs <br />tens. <br />1611.2 Deadhead Controls: When used is central bdh comfort haeteg <br />and coaling, tors rwmwta6e amn shot be sepebts of a dtadbvA of at <br />but S dagnoes Forklift vddch M supply al Malng and eaokig onsrgy to <br />tie tors IS shut ell or focused be a all dmum. <br />Exceptions: <br />1. special occupancy, sp lew use". sr Bode requirements where <br />daadband corsab an real appropriate. <br />2. Buildings complying wbm Section 1161 A, I In the proposed <br />britae energy am", hosting and cooing <br />6larmlow salpoints are set b In sale bmpmbno <br />bola 70 dagreas F and 75 degrees F Inekebe. <br />and assumed Ss be conslsnt throughout the year. <br />5. Thermostats Mal req11Ye manual changeover bd~ hosting <br />and coang modes. <br />1612.E Humidity Controls: I a system IS equlppW with S means ter <br />adding moisture, ■ Mmmidisw shot be provided <br />1612.E Setback and Shut -Off : MAC systems shot be equipped with <br />Submaac generates capable of wcoodiehtg a reduction of energy use <br />Brongircentral sotnesk w oqupmerd ►hudewn dung Periods el noes -use <br />sudlorteb use el tin spaces serval by thesystem. Theauromatie contrels <br />Shot have a mink mere sevandsy clock end be capable of being set lot <br />seven different day typos per weak. <br />Exceptions: <br />1. Sysehn, Serving areas which requite continuous operation at the <br />same tempanbm sepoint. <br />2. Equipment with hA bad demands of 2 kW (6,626 Btulh) or less <br />may be controlled by readily accessible manual off. <br />how control. <br />1612.6.1 Dampers: Outside sit tsekes, exhaust oveste and relief ouafts <br />serving conditioned spaces shot be equipped with dampers which close <br />eubmsecay when the system is off or upon power failure StairMalt and <br />elewtor shaft $rick* relief openings shot be equipped with normally open <br />dampers. These dampers shelf remain closed in normal Wormed until <br />activated by the fro sbrm System or other approved smoke detection <br />system. <br />Exceptions: <br />1. Systems serving areas which require continuous operation. <br />2. Combustion air intakes. <br />1612.E Heat pump Controls: Unary air cooled heat pumps shot include <br />microprocessor cordrols that mnimbo supplem*nal heat usage during <br />slant -up. sot -up. and defrost coneslens. Thee* controls ohm" anticipate <br />heed for heat and use compression hosting as the lint stage of hest. <br />Controls shot indicate when supplemental hosting is being used through <br />visual meant (a.g . LED Indicators). <br />1612.E Combustion Heating Equipment Controls: Combustion hooting <br />equipment with a capacity over 225.000 Blum anal have modubbng or <br />staged combustion control. <br />Exceptions: <br />1. Boilers <br />2. Radiant Mature. <br />1612.7 Balancing: Each Sir supply outlet or at or water terminal 64*4 <br />Shan haw a means for balancing, Including but not limited to, dafil <br />temperature and pressure fast cooneasnns and balancing wines. <br />161E An Economizers <br />1612.1 Operation: Air economizers shot be of submatx:sliy modulating <br />sulfide and return air dampen b provide too percent of the design Supply <br />air as outside ore to reduce or eliminate m* heed for mechanical cooing. <br />1615.2 Control: Air {corrorif*rs shall be controlled by a control system <br />capable of determining if outside art can most part or all or the buitdng's <br />cooling bads. <br />1615.E hbRatad OWN": MYNiM "KA" etsfgy: As <br />WWMVA We Ma be eapabts of"A&4 PWWColing awn whores <br />adMwW ateahn W taefM b regnllM te WANOW remW o al" <br />ce-1 bN..:oMeb Mato pnoekrM Se oconsmbw epenetitnm whoa <br />moMardeal taung is re{W W aknlAanMMfp. <br />Exception: Eeornenesen en Yndkedrntl. deed aysnsbn, eea4g <br />sysbrns wtst eepaaWs nld Eruw Men ySPW @h^ may <br />k" ds ftrmela gal "it 66WAurm a spsrotsn of to <br />oewomaw ant montimanmkal eaetsg w M pmxpoet ld preventtg <br />be formation on coefey ask. <br />1616 fatting Systems <br />1616.1 SeaMS: Duel work which b designed Is sparaes 0 Prosum <br />about 112 Inch wave cMrmn static pressure ahal be "Wed In wcedsnat <br />with Bwrdard RS-1 S. Extort of coo" required it as folklore: <br />1. ttalie pttssun: to Inch b 2 need; sal tnnsvorse penes. <br />2. Static pmsurc 2 inches to 3Itches; sold of transverse pines <br />end bngitndind seams. <br />2. States Pressure: about 2 Inches: Beal al transverse Join, <br />wgitmdinsl NBme and duct Wed POWNW". <br />1616.2 Insulation: Ducts and plenums Mal are constructed as part of time <br />buSSrq MYolope shot meet the requkomores M Chapter 15. OMor ducts <br />end plenums Shan be thermally nsJaled per TOM 1 t-5. <br />Exceptions: <br />1. Within the MAC equipment <br />2. E xhaest Sir ducts not strafed to condensation. <br />7. Exposed ductwork when a SPacs that $arm that space only. <br />1615 Piping Systems <br />1615.1 Insulation: Piping Shan be thermaly nsubbd in accordance with <br />Table 14-6. <br />Exception: Piping instated within wasry, MAC equipment. <br />Water pipes outside the condAenad space shot be k led in <br />accordance with Washington State Plumbing Code (W AC 51.26) <br />1e20 SIMPLE SYSTEMS (PACKAOEO UNITARY EQUIPMENT <br />1621 system type. To quelify as a simple system, systems shaft be ens Of <br />the folowng <br />S. Air cooled, constant volume packaged equipment. which Provide <br />holing, cooling or local. and "Of only oMrnal <br />connection to duct work and are rgy Battles <br />It. Air cooled, constant whiny apes systems, which provide Meerq. <br />cooling or bath, with cooling Capacity of 5*,000 St rh <br />or less <br />e. Healing only systems which haw a Capacity of b% than 5.000 <br />elm or which have a minimum outside sir supply Of <br />less than 70 percent of the total ate circulation. <br />All other systems Shan comply wed Sections 1470 through 1605. <br />1622 Controls: In addition to the control tequesments in SK9on 1412. <br />whet* separate hoabng and coo" equipmam Serve the tam* tsmpsntur* <br />sons. thermostats shot be interlocked b prevent simutaftwus hotting and <br />cooking <br />112E Economizero: Economursn meeting the requirements of Section <br />1412 shot be installed on packaged rooftop lontoelnp vets having a <br />supply capacity of greater than 1,900 cfm W a total cooling Capacity, greater <br />than $4.000 Bluth. <br />The total Capacity of St until without economizers shot red exceed <br />240,000 StWh per louldng <br />1626 Separate AI Distribution Systems: Zones with special process <br />temperature requirements andior humidity requirements shelf be solved by <br />separate sir distribution systems from aloft SO" stales requiting only <br />Comfort Conddtons. <br />,j <br />