HomeMy WebLinkAbout45 H2.1.PDFS CAL E: 3/ 16" = 1'-0"
GENERAL NOTES:
1. SEE SHEET H-�.1 FOR SYMBOL, ABBREVIEATIONS
AND PROJECT GENERAL NOTES.
PLAN NaTES:
1 16 / 12 LINED TRANSFER AIR DUCT WITH 1" LEGS
ABOVE CEI LI NG I NTO RETU RN AI R PLENUM.
2 24/ 12 TRANSFER AIR QUCT WITH 18" LEGS ABOVE
CEILING INTO RETURN AIR PLENUM.
3 18 / 20 LINEQ RETURN AIR DUCT THRU MECH ROOM
WALL FROM ABOVE ADJACENT ROOM CEILING. TURN
DOWN APPRQX. 24" AND DUCT RETURN INTO RETURN
AIR INLET OF FURNACE. PROVIDE BOLTED FLANGED
REMOVABLE SECTION (4' LING MIN) IN RETURN DUCT
TO ALLOW QUICK REMOVAL FOR ACCESS TO
FURNACE CONTROLS AND MAINTENANCE.
4 REFRIGERANT LINES - SUCTION ONE (1 /8"}, LIQUID (5
/8"O AC UNIT MANUFACTGURER TO VERIFY LINE
SIZES. PROVIDE ONE LINE SET FOR EAH FURNACE,
SLEEVE PIPING AT ROOF PENETRATION.
PV MB TI N AIR INTAKE AND PV
5
3Q� C CO US O C C
EXHAUST FLUE PIPING. ROUTE FROM FURNACE TO
ROOF OUTLET.
6 TERMI NATE WITH CONCENTRIC ADAPTER ON ROOF
FOLLOWING MFRS INSTALLATION INSTRUCTONS AND
PAINT TO MATCH BUILDING.
7 24 / 20 RETURN MIXING BOX WITH DUCT LINER ON
EACH FURNACE.
8 8�S INSULATEQ OUTDOOR AIR INTAKE DUCT
9 CONNECT 12 / 12 OA PLENUM TO 8� BRANCH DUCTS
TO TMIXING BOXES. PROVIDE VOLUME DAMPER IN
OUTSIDE AIR DUCTS AND BALANCE TO 180CFM EACH.
PROVIDE MOTORIZED DAMPER INTERLOCKED WITH
FURNACE FAN OPERATIOIN AND CLOSE WHEN UNIT
IS OFF.
10 EXTEND 1" CONDENSATE LINE FROM QX COIL TO
MOP SINK AND CONNECT SECONDARY DRAIN PAN
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LINE AFTER P-TRAP. ROUTE 3/ 4 COMBUSTI N AIR
CONDENSATE DRAIN IN CPVC PIPE TO MOP SINK
S E PARATE LY.
11 12 / 12 EXHAUST DUCT UP TO EF-2 ON ROOF.
12
HANG FURNACES FROM ROOF JOISTS USING 5/ 8"
ALLTHREAD RODS AND UNISTRUT BRACKETS
BENEATH FURNACE W/ VIBRATION ISOLATORS.
ATTACHED TO JOIST USING 3X3X 1/ 4 SUPPORT
ANGLES AND PAINT TO MATCH UNITS.
��
13 PROVIDE SECONDARY GALVANIZED 1- 2 DEEP QRIP
PAN BELOW UNITS.BOTTOM OF FURNACES TO BE
MINIMUM OF 8' ABOVE FLOOR.
�4 PROVIDE INSULATED SHEETMETAL PLENUM WITH
„
ROUND BOOT CONNECTION BEHIND 48 L4N
SECTIONS OF LINEAR BAR GRILLE. PROVIDE LINED
RETURN DUCT WITH UPTURNED ELBOW IN SECTIONS
BETWEEN SUPPLY PLENUM. LINEAR GRILL SHALL
APPEAR C4NTINUOUS. N�TE THE SHEETMETAL
PLENUMS ARE TO BE INSTALLED WITHIN WALL
FRAMING KICKERS.
15
,, - ECTOR CONSULTING
;�.�;�'''"' '' L L C Mechanical � Electrical Engineering
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fax 3 �7.632.496D
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