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Home My WebLink About14a . i COMMUNICATIONS LINK AND SENSOR WIRING: GAS NOTES FOR MAIN BUILD NG 1. GAS PIPING MUST COMPLY WITH THE LATEST EDITION OF THE UNIFORM MECHANICAL AND GAS CODES. 2. GAS PIPING IS SIZED FOR 2 PSIG INITIAL PRESSURE WITH LESS THAN 10% PRESSURE DROP. MECHANICAL CONTRACTOR SHALL VERIFY DELIVERY SUPPLY PRESSURE AVAILABLE FROM THE SERVING UTILITY. 3. PROVIDE A CUT-OFF VALVE, PRESSURE REGULATOR, AND 6" LONG FULL SIZE DIRT LEG AT EACH ROOF TOP UNIT. 4 ALL GAS PIPING SHALL BE RUN INSIDE OF BUILDING, UP BETWEEN ROOF ROOF—TOP UNIT — CURB AND DIFFUSER INFORMATION UNIT NO. NOMINAL CAPACITY STRUCTURIAL CURB SIZE DIFFUSER TYPE (SEE SCHEDULE ON M-3) 1-5,7-11,13-17 20 TON OR STRUCTURIAL CURB SIZES CONTACT: A CUSTOM CURB TO THE NEXT. ALL TERMINATIONS WILL OCCUR AT THE UNITS 6,12,18,19,23 15 TON ALLEN HARRIS 3005 S. HICKORY ST. B P.O. BOX 1111 N. WIUMBSORO. NC 28Wg 20 & 22 10 TON CHATTANOOGA, TN 37407 ui r ALL COMMUNICATIONS LINK AND INDOOR SENSOR WIRING 21 3 TON1-800-251-3001 allenh®customcurb.com ALL COMMUNICATIONS LINK AND INDOOR SENSOR WIRING NO SPLICES WILL BE ALLOWED IN THE SENSOR OR COMMUNICATIONS IT SHOULD FACE.- DENOTES SENSOR AND THE _-44—U RTU ■ LO M FOR THE BUILDING MANAGEMENT SYSTEM MUST BE 18 GA., LINK WIRING. CONTINUOUS RUNS MUST EXTEND FROM ONE UNITDIRECTION 2 01 SHIELDED, TWISTED PAIR WIRE WITH TINNED COPPER TO THE NEXT. ALL TERMINATIONS WILL OCCUR AT THE UNITS HOME CENTERS, INC. CONDUCTORS. WIRE SHALL BE STYLE NO. 8760 AS TERMINAL STRIP. P.O. BOX 1111 N. WIUMBSORO. NC 28Wg MANUFACTURED BY BELDEN CORPORATION, RICHMOND, IN. THE MECHANICAL CONTRACTOR SHALL MOUNT THE INDOOR ui r ALL COMMUNICATIONS LINK AND INDOOR SENSOR WIRING AIR (ZONE) SENSORS PROVIDED WITH THE H.V.A.C. UNITS �No' REV`' ISIONS SHALL BE INSTALLED IN 1/2" EMT EXCEPT AS NOTED ON THE BUILDING COLUMNS ®8 O A.F.F. WHERE INDICATED toui ►-. W PI:E• PSEDATE OTHERWISE. ON THE DRAWINGS. THE MECHANICAL CONTRACTOR SHALL Mm a_ DATE tssu� DATE � 18sLle DATE THE MECHANICAL CONTRACTOR SHALL FURNISH AND INSTALL ALL COMPLETELY WIRE THESE SENSORS TO THE ROOF -TOP -UNITS DATE DESCRIPTION COMMUNICATIONS LINK AND SENSOR WIRING AS INDICATED ON PER THE WIRING DIAGRAMS PROVIDED WITH THE UNITS. ONCE THE DRAWINGS ALL WIRING MUST BE ROUTED AND INSTALLED THE SENSORS ARE INSTALLED AND WIRED, THE POWER SHOULD 16 t WNER COMMENTS JOISTS. PROVIDE SUPPORTS AT 8'-0" MAXIMUM SPACING FOR ,PIPE 1" AND SMALLER AND AT 10'-0" MAXIMUM SPACING FOR PIPE 1-1/4" AND LARGER, 5. EXTEND GAS PIPE UP OUTSIDE OF WALL. PROVIDE A STAINLESS STEEL SLEEVE THROUGH WALL AT 18 BELOW TOP OF BAR JOISTS. PACK ALL N AND AROUND SLEEVE WITH FIBERGLASS INSULATION AND VOIDS IN A CHROME PLATED ESCUTCHEON GL EACH SIDE OF WALL. PROVIDE VERTICAL PIPE SUPPORTS AS REQUIRED. 6. PROVIDE "MP" (MEDIUM PRESSURE) REGULATOR FOR EACH UNIT. REGULATORS MUST COMPLY WITH GAS CODES. * ROOFTOP UNITS #20, #21 & #22 WILL NOT REQUIRE A DROP DIFFUSER N T DUE TO POTENTIAL HVAC UNIT SPECIFICATION CHANGES BEYOND OUR CONTROL, THE MECHANICAL CONTRACTOR MUST VERIFY UNIT CURB SIZES AND UNIT WEIGHTS WITH STEEL CONTRACTOR/ MANUFACTURER AND GENERAL CONTRACTOR. AS INDICATED ON THE PLANS. EACH WIRE SHALL BE PROPERLY TAGGED AT EACH END AND MUST BE OHMED OUT AND TESTED FOR BOTH OPENS AND/OR SHORTS. MECHANICAL CONTRACTOR SHALL HAVE A TECHNICIAN ON SITE TO CONNECT THE COMMUNICATIONS LINK WIRING TO ROOF -TOP -UNITS AND CONTROL CABINETS ON THE DAY THE CONTROL CONTRACTOR, W. A. BROWN & SON, IS ON SITE TO CHECK OUT AND START UP THE SYSTEM. ALL CONNECTIONS MUST BE MADE UNDER THE SUPERVISION OF W. A. BROWN & SON'S TECHNICIAN. (FOR SENSOR WIRING, SEE NOTE AT RIGHT). BE TURNED ON AND THE UNITS COMPLETELY CHECKED OUT.10/02 UNITS WILL OPERATE AT DEFAULT TEMPERATURES OF 71'F. HEAT AND 74'F. COOL. THE SENSOR WIRING SHALL BE RUN DOWN COLUMN FROM EACH RTU TO THE CORRESPONDING SENSOR IN 1/2" EMT. THE CONDUIT SHALL BE TERMINATED IN A SHALLOW UTILITY BOX WITH A COMPRESSION CONNECTOR. MOUNT THE SENSOR ON THE BOX ® 8'-0" A.F.F. ORIENT THE SENSORS IN THE DIRECTION SHOWN ON THIS SHEET. (SEE DETAILS OF SENSOR INSTALLATION ON THIS SHEET.) COLUMN RECEPTACLES. MpUNT AT BOTTOM OF BAR JOISTS. STRAP CONDUIT TO COLUMN. T 2 01 OVERSTOCK z- z �.. A ui U- cV 0:� DIFFUSER TYPE "B" I I I I I I UNDERGROUND GAS SERVICE TO UTILITY / I / � I ROOF FRAMING - SEE STRUCTURAL DRAWINGS. (TYPICAL ® ALL RTU'S) r o I 'co I I '-- r► I I I 4 w' N T Q O z- z �.. ui U- cV 0:� mO �No' Qz toui ►-. W CD W Mm a_ 18 GA., TWO CONDUCTOR TWISTED PAIR SHIELDED CABLE IN 1 /2" C. _ (4) 18 GA., TWO CONDUCTOR TWISTED PAIR SEEIDETAIL - SHEET MECH.M-3TRACTOR SHIELDED CABLES IN 3/4 C. — _... CHGE/1Ft Q6PINE1 J3 F . I SEE SHEET M-2 ROOF FRAMING - SEE STRUCTURAL ROOF FRAMING - SEE FOR MECHANICAL I I I DRAWINGS. (TYPICAL ®ALL RTU'S) rSTRUCTURAL DRAWINGS. LAYOUT IN THIS — — —. — .— — — .-. ( (TYPICAL @ ALL RTU'S) AREA. RTt/4 j -I -I1I DIFFUSER TYPE "B" 1/; I I DIFFUSER TYPE "B"f 18 GA., TWO CONDUCTOR TWISTED -FLU '" 1 1- i 4 PAIR SHIELDED CABLE IN 1/2- C. �- o e o 2-1/2- 2-1/2- 2 2» 2" - -18 GA., TWO CONDUCTOR TWISTED PAIR SHIELDED CABLE IN 1/2" C. 3" 18 GA., TWO CONDUCTOR TWISTED PAIR 18 GA., TWO CONDUCTOR TWISTED PAIR SHIELDED CABLE IN 1/2 C. 18 GA., TWO CONDUCTOR TWISTED PAIR SHIELDED CABLE IN 1/2" C. 't�""�� G SHIELDED CABLE IN 1/2" C. G ROOF FRAMING - SEE STIR ROOF FRAMING - SEE STRUCTURAL ROOF FRAMING - SEE STRUCTURAL ROOF FRAMING - SEE STRUCTURAL / DRAWINGS. (TYPICAL ® ALL RTQ'S) — DRAWINGS. (TYPICAL 0 ALL RTU'S)— DRAWINGS. (TYPICAL ® ALL RTU'S) — DRAWINGS. (TYPICAL ® ALL RTU'S)- 0 I j i l DIFFUSER TYPE "A' DIFFUSER TYPE "A" I I I , I i I ( I I I1-14 DIFFUSER TYPE I "A" I DIFFUSER TYPE "A" DIFFUSER TYPE "A" / I 1-1/4" I I I o 0 0 0 0 0 0 o e I -1 /2" —18 GA., TWO CONDUCTOR TWISTED PAIR I SHIELDED CABLE IN 1/2" C. 18 GA.. TWO CONDUCTOR TWISTED PAIR 18 GA., TWO CONDUCTOR TWISTED PAIR 18 GA., TWO CONDUCTOR TWISTED PAIR I SHIELDED CABLE IN 1/2" C. SHIELDED CABLE IN 1/2" C. SHIELDED CABLE IN 1/2" C. ROOF FRAMING -SEE STRUCTURAL ROOF FRAMING -SEE STRUCTURAL ROOF FRAMING -SEE STRUCTURAL ROOF FRAMING -SEE STRUCTURAL I DRAWINGS. (TYPICAL ® ALL RTU'S) DRAWINGS. (TYPICAL ® ALL RTU'S) DRAWINGS. (TYPICAL 0 ALL RTU'S) DRAWINGS. (TYPICAL @ ALL RTU'S) i l j I I I DIFFUSER TYPE "A". I I DIFFUSER TYPE "A" I I I I I I I { DIFFUSER TYPE I"A" I OP UNITS 8,9,10,14, & 16 DIFFUSER TYPE I"A" DIFFUSER TYPE "A" 1-1/4 -1/4" SHALL HAVE NO PROVISIONS FOR L — — GAS HEAT. G 1-1/2" ROOF FRAMING - SEE STRUCTURAL DRAWINGS. (TYPICAL ® ALL RTU'S) — —DIFFUSER TYPE "B" 0 I I I I I COLUMN 1/2" EMT COMPRESSION CONNECTOR 18 GA., TWO CONDUCTOR TWISTED PAIR SHIELDED CABLE 1-1/2" DEEP MAXIMUM UTILITY 5OX 4"x2-1/8" COLUMN --+- 1 /2" EMT STRAP CONDUIT TO COLUMN. LrRTU SENSOR Soft9Nff SW9PW OFL0Ne$HOW _ CEWERS. NO. ANY USE OR F431 DUCTION IN WHOLE OR PART IS PF4H*WM WrrHOlrr TWE EMMSm wmn t -N OONSEW OF LOWn HOME CENTEA$.IIC. caPvnuollT2ooi ALLRIOIi18 REB9tYEU SENSOR o , O �) O o —1 2 SENSOR MOUNTING DETAIL NOT TO SCALE 10 0) o T f' N!� z I se 0 w '•; Q u li z .t• U3 i Sr o �z M tl. • i � IL cGr IL N u') M H o0 ■ tv) _ C7 C3 =J N d N 0 t0 Mit u M 18 GA., TWO CONDUCTOR SEE ROOFTOP UNR MOUNTING TWISTED PAIR SHIELDED%%x", 2-1 /2 DETAIL ON SHEET M-3. / » cb I,�M/'/ ff/ /i�� » CABLE IN 1 2 C. T �i�///, U TWO CONDUCTOR TWISTED PAIR 18 GA., TWO CONDUCTOR TWISTED PAIR 18 GA. , I./,!�, j�///�f/1 SHIELDED CABLE IN 1/2- C. SHIELDED CABLE IN 1/2" C. 18 GA., TWO CONDUCTOR TWISTED PAIR " ADJUST LOUVERS FOR SHIELDED CABLE IN 1 /2 C. AIR TO BLOW HORIZONTALLY, ROOF FRAMING - SEE STRUCTURAL ROOF FRAMING - SEE STRUCTURAL ROOF FRAMING - SEE STRUCTURAL DRAWINGS. (TYPICAL 0 ALL RTU . ( S) DRAWINGS. ® ALL RTUS) FRAMING SEE STRUCTURAL THIS UNIT ONLY. i/ j. DRAWINGS. (TYPICAL ® ALL RTU S) ) ROOF RAM - �i�i DRAWINGS. (TYPICAL ® ALL RTU'S) ROOF FRAMING - SEE -- — — — — — — — — — — — --� STRUCTURAL DRAWINGS. I --�'f'``'�'i'�� ti✓ (TYPICAL ® ALL RTU'S)--1 j - 18 GA. TWO CONDUCTOR TWISTED PAIR / SHIELDED CABLE IN 1/2" C. I DIFFUSER TYPE71, ,�;,.�LL jDIFFUSER TYPE "A" I w" I I I i s ' //,�' coO UJDIFFUSER TYPE A ( "DIFFUSER TYPE B - -` + -, s DIFFUSER TYPE A I I I DIFFUSER TYPE A I I { { �-- I- 1 L 1/4't 2-1/2" 1--1/1 I 2" 1-1 /1 I 2" 1-1 /I 1 1-1/2- 1-1 /I 1 1-1 /4" I _ - - _---_---_ ---- - -I - { ( ' E- _ I I 0 z w » 18 GA., TWO CONDUCTOR I Zc �•- — _..- __. — _.-. -� _ ... _ _ _ 1 1/4 TWISTED PAIR SHIELDED ( ' I < ia 18 GA., TWO CONDUCTOR TWISTED PAIR1/2-_ - Z- CABLE IN C. I r • SHIELDED CABLE IN 1/2" C. )— — — -- -- -- — -- — — I I ORIGINAL r` - _ _ _ _ _ _ _ _ _ ... _ _ - r _j_ ____ __ ._ I ISSUE DATE: 03.09.01 1000PERMIT SET I I I 11 I i I I I i i t I I I ISSUE DATE: I I I I I I I 1 1 I I I i I 11 --SEE SHEET M-4 FOR I l i I I I I I I I I i I I i l l DUCTWORK AND LAYOUT CONSTRUCTION SET i=- ---- - - - - -- -------------- -------------� I OF THIS AREA ISSUE DATE: DRAWING NUMBER: - - ...________-___L J_........._._------L--I----------------..___...----_--I.--..-------1 -L} ENTIRE SHEET HAS BEEN REVISE 11 I I I I I i I I i t TO REFLECT W R W-CRITERIAM�l i I ; R01,0 OP UNIT LAYOUT AND GAS! PIPING ! ! SCALE 1 "=20'-0" chi 0-0.41 Mm i • •