1802 75TH ST SW 2017 Plans 2022-11-07

� H /� RGIS Run Conditions - Scheduled: ' . mechanical Equipment shall run according to user definable time schedules and vacancy sensor (where installed in a zone) status or e'e�t��a' teletommunications upon occupied override sensor initiation, initially set to 0 hours (adj.) In the following modes Se`°"tY energy Scheduled occupied mode (scheduled on, vacancy sensor active): the unit shall maintain �zo�tn,�dave��e,suite600 seattle,washing[on 98101 • Heating setpoint-68° F(adj.) + or- 1° F t zo6.�8.33�6 w hargis.biz • Cooling setpoint- 70° F (adj.) + or- 1° F Scheduted unoccupied mode (scheduled on, occupancy sensor inactive): the unit shall setback the above setpoints as � $. L'A , follows: �W • Heating setpoint- + 3° F � � • Mechanical cooling - +3° F TM TS � ��' � � Unoccupied mode (night setback): the equipment shall setback the above settings as follows: -�— � Heating setpoint- 55° F (adj.) 3 DUCT � ,� � � Economizer coolin g set point-85° F M T DIAMETERS T DX EH OUTSIDE A!R -�`-- -�/'-- �V'AL E� Unoccupied economizer cooling setpoint- 85° F (adj.) + or- 1° F ��j 2`'�6 N.C. M Alarms shall be provided as follows: FlLTERS T h e • High Zone Temp: If the zone temperature is greater than the cooling setpoint by a user definable amount (adj.). M N.O. F � • Low Zone Temp: If the zone temperature is less than the heating setpoint by a user definable amount (adj.). ExHausr Farv Zone Setpoint Adjust: ---,� HP F Drif tmier The occupant shall be ab(e to adjust the zone temperature heating and cooling setpoints at thezone sensor. Provide � feature, but lockout functionality. EFS A 1 C 111�l.� C L�S 1 •�• ' SUPPLY AIR � SupplV Fan: �'`�(� T ��1 The fan shall run anytime the unit is commanded to run, unless shutdown on safeties. EFE R�B RETURN AIR 1 eJ 8 3 Le ar y 11 ay N E oX Heat Pump: Redmond, �A 98052 The controller shall measure the space temperature and stage the cooling \ heating to maintain its cooling \heating setpoint. To prevent short cycling, there shall be a user definable (adj.) delay between stages, and each stage shall have a user ( ��G� 1 R� � _ � -�j�� definable (adj.) minimum runtime. CT t v � v v The cooling shall be enabled whenever: (PROVIDE'GFLATLPLDAITSE WHERETNDI�pSTAT FS CT mailC dr iftmier .COI11 � Outside air temperature is greater than 60°F (adj.). TRM • AND the economizer(if present) is disabled or ful4y open. H HEAT PUMP UNIT • AND the supply fan status is on. TA p CONTROL PANEL � TR The heating shall be enabled whenever: • Outside air temperature is less than 65°F (adj.). • AND the zone temperature is below heating setpoint. � W � • AND the supply fan status is on. � V N � � Economizer: � (j� The controller shall measure the zone temperature and modulate the mixed air dampers in sequence to maintain the zone O Q cooling setpoint. The outside air dampers shall maintain a minimum ad�ustable position of 20°/o (adj.) open whenever � occupied (refer to mechanicaf schedules). If space temperature can not be satisfied for a period of 15 minutes (adj.), outside � � air damper shall modulate closed until space temperature is satisfied. �`` ��' o - The economizer shall be enabled whenever: � � �.1,� • Outside air temperature is at least 3°F (adj.) less than the Zone Temperature. � � � � • AND the outside air temperature is less than mechanical cooling setpoint (adj.) � � , The outside air dampers shall close and the return air damper shall open when the unit is off. Under Optimal Start, the mixed � � � air damper shall operate as described in the occupied mode except that the outside air damper shall modulate to fully closed � (� un il s ace tem erature is satisfied. Q � t p p � � �"" � Powered Exhaust: �� Z � The controlter shall modulate the exhaust damper and exhaust fan in unison with the outside air damper to relieve the space (� � dUPltlg eCOftOITtlZef Op81'atl0tl. CONSTANT VOLUME DX HEAT PUMP HARDWARE POINTS SOFTWARE POINTS ■ U � POINT NAME MARK AI AO BI BO AV BV SCHED TREND ALARM GRAPHIC COMMENTS � 'A � Mixed Air Temperature: .�,r � Space Temp TRM X X X The controller shall monitor the mixed air temperature and use as required for economizer control or heating controL '^ � Zone Setpoint Adjust TA X X O v, SU T Air Tem erature: Mixed air TemP TM X X X = �`' _ pp v p � The controller shall monitor the discharge air temperature. supP�y air TemP Ts x x x � � Alat'mS Shall be prOvided as f011ows: Heat Pump Valve(Reversing) HP x x x O � • High Supply Air Temp: If the supply air temperature is greater than 120°F (adj.). � � Outside Air Damper D� X X X • Low Supply Air Temp: If the supply air temperature is tess than 50°F (adj.). � O Return Air Damper DR X X X F8n StatuS (All fat1S): Exhaust Damper DE X X X � O � The cantroller shall monitor the fan status. zone override TRo x x x Alarms shall be provided as follows: suPP�y Fan status sFs x x x � Fan Failure: Commanded on, bUt the StatuS IS Off. Supply Fan StarUStop sFE x x x Compressor Status: Exhaust Fan Status EFS X X X The controller shall monitor the compressor status. Ext,aust Fan start�stop EFE x x x AlBrms shall be provided as followS: Economizer Zone Temp Setpoint ��nz x x x M C�u q �( � /� � � Compressor Failure: Commanded on, but the status is off. Schedule SCHED X C n�� H EleCtrlC H@at: Heating Setpoint HZ X X C 0 N T R 0 L S A N D The controller shall monitor the electric heat status. Electric heat shall only be enabled as a second stage of heat and during Coo ling Se tpoin t C Z X x d2frOSt. DDC Space Temperature Setpoint TZ X x X S E Q U E N C E S Compressor Start/Stop CE X X X Compressor Status CS X X X Electric Heat StartlStop EH X X X Condenser Fan Status CFS X X X High CO2 Concentration X X ' High Zone Temp X X Low Zone Temp X X Supply Fan Failure X X Compressor Failure X X High Supply Air Temp X X Low Supply Air Temp X X ISSUE DATE: � � �2 1 6 � CONSTANT VOLUME PACKAGED HEAT PUMP °RAWN BY: - SF CHECKED BY: BBC M10.1 PROJECT NUMBER 21606 SHEET NUMBER M10. 1