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BOGARD ENGINEERS PS �
<br /> CHILLER SYSTEM SEQUENCE OF OPERATION: Meclianical Engineerin� consultants
<br /> � 22121 17th Avenue SE,Suite 111
<br /> � �� }�AV THE CHILLED WATER SYSTEM CONSISTS OF ONE AIR COOLED CHILLER. THE CHILLED Bothell,Washington 98021 t
<br /> �'i
<br /> WATER SYSTEM HAS TWO CIRCULATION PUMPS OPERATED AS LEAD AND STAND-BY (ONE Phone:425-415-6100 e �
<br /> � ��CWR TO BUILDING PUMP RUNS AT A TIME). � �
<br /> Fax:425-�t15-6117
<br /> COOLING SYSTEM e-mail:lbogard@bogeng.net
<br /> � � CWS (CHILLED WATER �
<br /> � ��z; COILS) THE FOLLOWING INFORMATION WILL BE AVAILABLE ON A GRAPHICAL DISPLAY: .
<br /> � BUILDING INTERIOR ��1C s 'f� �� 1. CWS TEMPERATURE. B
<br /> COURTYARD � (MECH ROOM) 2. CWR TEMPERATURE. � � �G',9
<br /> �— � —�- �,,t -.-.- ..__ __ __ _ __. �,�_._. __ ____ ' 3/8" TUBWG 3. ON/OFF ENABLE STATUS FOR CHILLER. � y����'A
<br /> 4. CHILLED WATER TEMPERATURE SET-POINT RESET TO CHILLER CONTROL PANEL. �� . �2
<br /> � `�"�. � ���C� 5. CURRENT LIMITING SET-POINT TO CHILLER CONTROL PANEL. ,�
<br /> � � 6. OPERATIONAL STATUS OF 2 COMPRESSORS.
<br /> � 1" � 7. ALARM STATUS CHILLER. ,p ,� 2�3s �,� `
<br /> � � 1/2" TO FFD � � o,�� FGISTER G��`� ,:� �
<br /> � SS�ONA L EN ' �
<br /> � EMCS 1 I 1 SYSTEM ENABLE:
<br /> � � .
<br /> � ,� �J �.� THE CHILLER SYSTEM WILL OPERATE WHEN TWO CONDITIONS OCCUR. �
<br /> � DIV 16 EMCS DIV 16 EMCS �- 1. WHENEVER THE OUTSIDE AIR TEMPERATURE IS ABOVE 55°F,
<br /> CHILLER CH-1 � AND
<br /> DRAIN VALVE � � AS_2 6�� 1" �
<br /> WITH CAP 2. WHEN ANY AIR HANDLER CHILLED WATER VALVE IS OPEN.
<br /> � �a. .. v 2 .. — .. . �
<br /> CHR INTLET FLEXIBLE � � � ��� 1" SYSTEM DISABLE:
<br /> � EVAPORATOR CONNECTION CONNECTOR INSTALL HEAT C C
<br /> CHS OUT ET CONNECTION BUTTE FLY � TRACE `" ,� � THE CHILLER SYSTEM IS DISABLED WHEN THE OUTSIDE AIR TEMPERATURE IS BELOW � �.
<br /> t ��� „� 55 F (ADJUSTABLE) OR WHEN THERE IS NO CALL FOR COOLING FROM THE AIR
<br /> �
<br /> VALVE ELECTRICAL �, 6" � � _ 6° � �' HANDLERS. � �:'
<br /> � ,� � FREEZE 6�� :� • .
<br /> .� �6 CHR PROTECTION AT � . � [--�
<br /> DRAIN VALV� X 6" CHS � NEW CHS AND CHR �, ET-2 � �� � CHILLED WATER CIRCULATION PUMP OPERATION. � � � �
<br /> WITH CAP � PIPE .�
<br /> PU-05 � PU-06 UPON DEMAND FOR THE CHILLER, THE LEAD CHILLED WATER CIRCULATION PUMP WILL U � �
<br /> FLEXIBLE � = �" � � BE STARTED. � �
<br /> __.._.
<br /> � �� CONNECT _ _�_� _�� � THE PUMPS WILL BE ROTATED WEEKLY TO MAINTAIN EVEN RUNTIME ON EACH PUMP. °Q
<br /> ___ _._.
<br /> � _.___ __ �_� . FFD � � � _� � __ _. _ —� THE LEAD PUMP WILL RUN FOR 5 MINUTES AFTER THE CHILLER HAS SHUT DOWN � � � W � �
<br /> EXISTING � � BUTTERFLY POINT OF CONNECTION TO � � � BOLTED TO FLOOR W/ FINISHED BECAUSE OF NO DEMAND. THIS TIME DELAY IS ADJUSTABLE. �'' � � o0
<br /> _./�� �� � � �
<br /> HOUSEKEEPING PAD VALVE EXISTING 6 CHS AND CHR �_. _.. ___. NEOPRENE WAFFLE PADS FLOOR � �
<br /> ... NOTES: CHILLED WATER CIRCULATION PUMP FAILURE: � � 7 Q �:.
<br /> __ �, . .
<br /> EXISTING DOUBLE-WALL 1. TEST AND ADJUST WATER TREATMENT IN HEATING WATER AND O � � ,, i. ..
<br /> UNDERGROUND PIPE CHILLED WATER SYSTEMS. REFER TO SPEC SECTION 232500 IF A CIRCULATION PUMP FAILS TO START WHEN COMMANDED, THE STAND-BY PUMP WILL � ~ � � � � . ,
<br /> BE STARTED. AN ALARM WILL BE GENERATED AT THE GRAPHICAL WORK STATION.
<br /> � ^
<br /> THE FAILED PUMP CONTROL RELAY WILL BE LEFT ENERGIZED SO THE PUMP WILL U �1 [---+ �
<br /> � CHILLED WATER PIPING DIAGRAM RESTART ONCE THE PUMP PROBLEM HAS BEEN FIXED. THIS SEQUENCE DOES NOT � �..� O � �
<br /> REQUIRE AN OPERATOR TO "RESET"ANYTHING ON THE GRAPHICAL WORK STATION, ,�/ o
<br /> M2.1 SCALE: NOT TO SCALE JUST FIX THE PROBLEM AND RETURN THE HOA SWITCH TO THE AUTO POSITION. E-+ w p w
<br /> � � �
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<br /> w O �
<br /> � �j H"�
<br /> CHS & CHR PIPE w ,� �`'+
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<br /> PIPE SADDLES ENCLOSURE WAL� �
<br /> CH-1 ENCLOSURE FENCE
<br /> (E)THREE-WAY MIXING INSTALL A NEW MANUAL AIR �
<br /> CONTROL VALVE VENT AT HIGHEST POINT IN �"�_��""
<br /> (E}PETE'S PIPING, SEE DETAIL (E)HEATING WATER OR
<br /> PLUG (TYP). CHILLED WATER RETURN �
<br /> PROJ.N0: �7C7.�� �'
<br /> . :;
<br /> STEEL CHANNEL PIPE oRnwNaY: JK °
<br /> SUPPORT, TYPICAL �ii�f -��� (E)BALL VA. ,
<br /> INSTALL A NEW MANUAL AIR
<br /> (E)TERMINAL� (E)GLOBE VA. VENT AT HIGHEST POINT IN CHECKED BY: �WB .
<br /> UNIT COIL � INSTALL HEAT TRACE AT ,
<br /> ��/�/�/� PIPING, SEE DETAIL �
<br /> CHS AND CHR PIPING oATE: 3-14-2018
<br /> � (E)BALL VA. (E)HEATING WATER OR
<br /> CONDENSER
<br /> REVISIONS:
<br /> UNION (TYP). CHILLED WATER SUPPLY QUOTE SUBMITTAL 3-14-2018
<br /> SECURE BASE PLATE T� SLAB (E)STRAINER WITH
<br /> W/ANCHOR BOLTS, TYPICAL HOSE FITTED BLOW-DOWN CAP - �
<br /> BASE PLATE BASE PLATE �- � � �- - -
<br /> DRAIN VALVE VALVE OUTLET EXISTING � 6" CHS BUTTERFLY VALVE, POINT OF CONNECTION TO
<br /> -------�- , , -------- -------�--- -- �---------- , � , --w- � HOUSEKEEPING PAD - BUTTERFLY VALVE 6" CHR BEHIND BEHIND EXISTING 6" CHS AND CHR �
<br /> � � � � . .
<br /> 3 PPIPE SUPPORT DETAIL 2 COIL CONNECTION DETAIL VAV TERMINAL UNITS q SECTION A �
<br /> M2,1 SCALE: NOT TO SCALE M2,� SCALE: NOT TO SCALE M2.1 SCALE: 1/4" = 1'-0" .
<br /> ------�T -
<br /> �
<br /> RETAINING WALL ��
<br /> CH-1 �
<br /> � .
<br /> Lr�� z r.z �z� �d f, 6" CHS r � � �
<br /> �
<br /> 3/�`'j�� `/�%y �,��,�f 6" CHR f� ! 7 K.;..
<br /> l;j f=�' ��-DI_= PIPE SUPPORT, SEE 3 �� � " .
<br /> SECURE CHILLER TO M2,1 °'",... . � ��
<br /> (E)HOUSEKEEPING PAD .
<br /> � ; _ � GRADE SHEET TITLE
<br /> II � �
<br /> P.O.C. TO MECHANICAL
<br /> (E) PIPING DETAILS, DIAGRAMS
<br /> g SECTION B AND SECTIONS �
<br /> M2.1 SCALE: 1/4" = 1'-0" SHEET NUMBER
<br /> � � �`� ��� �1I�6���`�' ■
<br /> ������;:.:��.�,.�W� ��� ►������r
<br /> CLIENT PROJECT No �
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