1515 112TH ST SE BASE FILE 2018-01-02 MF Import

1994 Washington State Nonresidential Energy Code Compliance Form Mechanical - General Requirements 14/2 Controls 1412.1 Temperature Controls: Each system shall be provided with al lent one lemparsture control device Each cone than be controlled by mdrvidual Ihermoslalo: controls nspondmg to temperature within the tone At a minimum, each Ilia of a building shall be considered as a separate zone 1412 2 Oeadband Controls: When used to control both comfort heeling and cooling, zone thermostatic controls shag be capable of a deadhand of at least 5 degrees F within which the supply of healing and cooling energy to the zone is shut of or reduced to a minimum Exceptions: I Special occupancy special usage or code requirements where deadband controls are not appropriate 2 Buildings complying with Secton 1141 I it in the proposed budding energy analysis heeling and cooling thermostat selponls are set to the same temperature between 70 degrees F and 75 degrees F inclusive. and assumed to be constant Ilnoughout the yen, 2 Thermoslan that require manual changeover between healing and cooling modes 1412.3 Humidity Conlrbls. If a system is equipped with a means for adding moisture, a humhdntel shall be provided 1412 4 Setback and Shut -Of HVAC systems shall be ngwpped with automatic controls capable of accomplishing a reduction of energy use through control selback or equipment shutdown during periods of non use or alternate use of the spaces served by the system The automatic controls shall have a minimum sewnday clock and be capable of being set for sewn different day types per week Exceptions 1 Systems serving area, which require continuous operation at the same temperature setpoini 2 Equipment with lull bad demands of 2 kW IS E26 Emir) or less may be controlled by ruddy accessible manual of. how controls 1412 4 1 Dampers: Outside err intakes exhaust outlets and retail outlets serving conditioned spaces shag be equipped with dampers which close automatically when the system is of or upon power lailtue Stair ,halt and elevator shaft smoke relief openings shag be equipped with normally open dampen These dampers shall remain closed in normal operation until actiwled by She tin alarm system or other approved smoke detection system Exceptions 1 Systems serving areas which require continuous operation 2 Combustion air intakes 1412 5 Heal Pump Controls: Unitary air cooled heal pumps shag include mttnpfccessof controls that mmrmus supplemental heal usage during start tin set up and defrost conditions These cordials shall anticipate need for heal and use compression heating as the first stage of heal Controls shall indicate when supplemental healing is being used through visual means Fa g , LED indicators) 1412.A Combustion Heating Equipment Controls' Combustion heating equipment with a capacity beef 225.W0 Bluth shall haw modulating or staged combustion control Exceptions i Barrels 2 Bedard Healers 1417 7 Balancing: E sch at supply a" or ON or water terminal device shall have a means for balancing, including but not limited to dampers. temperature and pressure teal connections and balancing "Ives 1412 Au Economizers 1412.1 OperationAN economizes shag be of automatically modulating outside and return err dampen to provide 100 percent of the design supply an as outside err to reduce or eliminate the need for mechanical cooling 1412 2 Control AN economizers shag be controlled by a control system capable of delermnng it outside ear can meet part or all of the building's cooing bads 1417.11 Integrated Operation: Budding Heating Energy: At economizers shall be capable of providing partial cooling even when additional mechanical cooling n lectured to meet the remainder of the cooling load Controls shag not preclude the econemusr operation when mechanical cooling is required simultaneously Exception: Economuars on individual dr"I expansion cooling systems with capacities not grainer than 75 000 Blwh may include controls that Im4 simultaneous operation of the economizer and mechanical cooling lot the purpose of preventing ice Tormentors on cw1mg calls 1414 Ducting Systems 1114A Sealing: Duct work which a designed to operalo At pressures abOee 112 inch waif, column static pressure shall bs sealed in accordance with Standard RS-15 Extent of sealing required is as follows 1 Shalt plsasun Ill inch to 2 inches, teal Iransvene pints 2 Slant pressure 2 mchea to J inches, seal all transverse louts and longitudinal seams J Slatt pressure above ] inches seal all transverse pints longitudinal seams and duel will paneba ors 1414. 2 Insulation: Ducts and plenums that are constructed as pan of the budding enwrap[ Shall meet the requirements of Chapter 13 Other ducts and plenums shall be thermally insulated per Table 14 5 E xcap0ons. 1 Within the HVAC equipment 2 E.hanl tit ducts not sublacl to condensation J Esposed duclwolk within a space that series that space only 1415 Piping Systems 1415.1 Insulabon: Piping shall be thermally msulatod in accordance with Table 14.6 Exception Piping installed within unitary HVAC equipment W aler pipes outside the conditioned space shag be insulated in accordance with Washington Stale Plumbing Code IWAC 51-261 1420 SIMPLE SYSTEMS IPACKAGED UNITARY EQUIPMENT) 1421 System Type To quality n a simple system systems shall be one of the following a Au cooled, constant volume packaged equipment which provide healing. cooing of both, and requite only external connection to duct work and energy services b Au cooked. constant volume split systems which provide hearing, cooing or both, with coring capacity of 54,IA70 Btwh or less c Heating only syslams which haw a capacity of less than 5000 clm at whnh haw a minimum outside au supply of lea than 70 percent of the total go calculation All other systems shall comply with Sections 1420 through 1475 1422 Controls In addition to the control requirements in Section 1412 where separate healing and cooling equipment serve the same temperature tone, thermostats shall be interlocked to preverd simultaneous heating and cooing 1422 Economizers Economizers meeting t o requirementsof Sacbon 1413 shag be installed on packaged fool lop fan cooling units having a supply capacity of greater than 1.500 first or a total cooling capacity greater than 54 000 Blufh The total capacity of all units wMout sconomizes shag not exceed 240.000 Blurb per budding 1424 Separate AB Distribution Systems: Zones with special process temperature requirements and/or hum Mhty rpunmanb shall be served by separate err dnbhbuhon systems if" those serving zones requiring only comfort conditions