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Specifications Q . izr _ ag 4tri .,,,-- . .v,. i s? : al - , 4.. J o = htt Gaffer's Fish&Chips Restaurant 6.- zz' co '• 16 "x76" 2-D Exhaust Duct I - 1_! \ ,_ 1-H mi Pyro Chem PCL -460 u u i__i fire suppression system shall be installed to t. manufacturers - \ specifications \: 12' hood PPlvr ®® o ` I I I Max. Flow Points -15 Cm 2-H. 2 -H 12-H i1 -H 11 -H 12 -L System Using 14 460 Nozzle height 48 " from appliances System Piped in 3/8 „ .. , \\„ :11111V Shy Off 3/4° Gas Valve Pull Station 6' on path of egress 0 ,-S-`_ ..... ITY $F IG P1D Gas 24” x 25" 14" x 21" 36" broiler 36" grill top 24" 4 burner Approved.. arter / ON ( 77►, 3�4" deep fry deep fry stove top Conditionally Approved ( ): Universal Fire Equipment Gaffer's Fish & Chips Restaurant For only the work as described in: 8049 S.W. Cirrus Drive 11945 SW Pacific Hwy Suite 205 See e Letter to: Follow ( ): Beaverton, OR. 97008 Tigard, Or. 97223 Attach (503) 641 - 8702 (503) 639 - 7025 Job Address: SW - " , R! .$' C z40S Greg Heath Alan Busteed By: , : , i , AC. Date: .r ^_?t. CCB# 86723 OFFICE COPY Chapter 2 - Components Page 2 -1 CHAPTER II COMPONENTS CYLINDERS & VALVE 1--ci) ., ift The Pyro -Chem Kitchen - Knight II System has available three different size cylinders: the Models PCL -300 (P /N 551194), M 0 N v �.�� • PCL -460 (PIN 551193), and PCL -600 (P /N 551196). Cylinder m i„ i ra sizes are expressed in'terms of extinguishing agent capacity ��1.pj (i.e., the PCL -300 uses"3.0 gallons of extinguishing agent). 0 4-4,N-41,,'..i'. m 0 1' The c ylinder is manufactured, tested, and marked in accor- 0 dance with DOT.4BW2.25. Cylinders come pre - filled with j ® /� extinguishing agent and are charged with dry nitrogen to a y \ pressure. of 225 psig © 70 F. Cylinder and valve assembly %/ / //%/ / / %� / „ dimensions are shown in Figure 2 -1. �� / /' 351 'CID I/ T 0 ' • Figure 2 -2. Valve Cross Section. MI . 006212PC C III VALVE REBUILDING EQUIPMENT B D 1. Wet Valve Seal Rebuilding Kit (P /N ■ 550698). After system discharge, the valve assembly must be rebuilt to A I ensure proper future operation. The Wet Valve Seal Rebuild- ►' ~} ing Kit (P /N 550698) should be used. It includes all compo- - nents necessary to properly rebuild the valve. See Figure 2 -3. Max. Flow Mounting Model Point Bracket 4 No. ' A B C D Capacity Weight Used PCL -300 8.00 25.06 30.81 22.75 10 53 lbs. MB -15 PCL -460 10.00 25.06 30.81 22.75 15 83 lbs. MB -15 PCL -600 10.00 35.81 41.56 33.50 20 108 lbs. MB -1 Figure 2 -1. Cylinder and Valve Assemblies. Q 002841PC All cylinders utilize the same valve assembly (P /N .551175). O _ It is a pressure sealed poppet type valve designed to pro- — vide rapid actuation and discharge of agent. See Figure 2 -2. Item Part Number Description 1 Valve Body Figure 2 - 3. Wet Valve Seal Rebuilding Kit 2 550762 Cap & Seat Washer Sub - Assembly (P /N 550698). 3 550705 Conical Spring 002906PC 4 550707 Piston 5 550716 Neck 0 -Ring Item Part Number Description _ 6 550713 Pressure Gage 1 550762 Cap & Seal Washer Sub - Assembly 7 550028 Stem 0 -Ring - 2 550705 Conical Spring 8 550802 Valve Cap 3 550716 Neck 0 -Ring _ 9 550386 Shrader Valve Ass'y 4 550028 Stem 0 -Ring ___ _ 10 550714 Valve Cap 0 -Ring 5 550715 Piston 0 -Ring __ 11 550715 Piston 0 -Ring 6 550710 Valve Stem 12 550710 Valve Stem 13 551256 Pressure Regulator 14 551261 Seal 15 17851 6- 32x3/8 Screw ULEX 3470 PN551274 October 1, 2001 • Chapter 2 — Components Page 2 -5 DETECTION EQUIPMENT 3. Model FLH -1 (P /N 550876). The Model FLH -1 fusible link hanger is an accessory 1. CViodel FLK -1 (P /N 550131). designed to simplify the installation of fusible links in the fusible link line. It can be used with ,I.e Model 1/1A The Model FLK -1 fusible link kit includes a 10" steel bracket, fusible link kit (kits must be ordered saoarately). The Fusible iwo (2) 1/2" EMT connectors, two (2) cable crimps, and two Link Hanger makes it possible to install fusible lir.ks v•ithout (2) "S" hooks. Fusible links must be ordered separately. See cutting and crimping loops in the fusiiile link line for each • Figure 2 -9. link. They are available in packages of 25 (FLH -25) only. See Figure 2 -10. 2, Model FLK-1A (P /N 550132). The Model FLK -1A fusible link kit includes an 8" steel brack- et, rlvo (2) 1/2" EMT connectors, two (2) cable crimps, and two (2) "S" hooks. Fusible links must be ordered separately. LINK DETECTOR BRACKET TERMINAL LINK • S-HOOK 1/2" EMT CONNECTOR 1/16" STAINLESS STEEL CABLE FUSIBLE LINK SERIES LINK CABLE CRIMP Figure 2 -9. Model FLK -1 Fusible Link OU_U49PC • • FUSIBLE LINK KIT • (SOLD SEPARATELY) ` FUSIBLE LINK (SOLD SEPARA FLH -1 '' FUSIBLE LINK HANGER Figure 2 -10. Model FLH -1 Fusible Link Hanger UUIUSOPC • ULEX 3470 PN551274 October 1 , 2001 ;:;tapter 2 -- Comporients r'utie 2 - Li. 'Fusible Links. EMT with corner pulleys at each change in direction. The remote mechanical pull station shall be located at the point ,, The fusible fink is designed to separate at a specific temper- of egress. See Figure 2 -12. . . ature, releasing tension from the fusible link line, causing system actuation. See Figure 2 -11. IN CASE OF O ii...8. FIRE . . 4I I - 0 . . . . ) IN N 1 STAN APO 4' X 4' ELE z ., ) O JI;Y :'Y'kN BOX Figure 2 - 11. ML Style Fusible Link. D O / °°vns , PC O p DBRUCI:EQ AL'1MINUM PAGE PLA After determining the maximum ambient temperature at the 0 A RED PC fusible link location, select the correct fusible link according gREy(ROD io the temperature condition chart below: 1 OtoACO Fusible Link Maximum Ambient 'D'RINO Model No. Temperature Part Number PULL H ROUE FL -165 95° F. (35° C.) 550368 1I4• RADIUS FL - 212 142° F. (61° C.) 550365 . ON ALL CONNERS FL -280 210 F. (99° C.) 550366 Figure 2 -12. Model RPS -M Mechanical Pull Station. FL -360 290° F. (143° C.) 550009 002852PC FL -450 380° F. (193 C.) 550367 =L 500 430° F. (221° C.) 56816 GAS SHUTOFF VALVES : ; :`'• , 5. Thermal Detectors. 1. Mechanical Gas Shutoff Valve. Fixed temperature thermal detectors are normally open, mechanical contact closure switches designed to operate at A gas shutoff valve is required on all systems used to pro - a factory preset temperature. They are available in four pre tect a gas fueled cooking appliance to stop gas flow in the set temperatures which meet NFPA standards and are UL event of system actuation. A mechanical gas valve can be Listed and FM Approved. After determining the maximum used with the Model MCH3 control head. It is connected to ambient temperature at the thermal detector location, select the system control head by stainless steel cable. This cable the correct thermal detector according to the temperature is enclosed in 1/2" EMT with a corner pulley at each change condition chart below: in direction. The valves are rated for natural and LP gas (see Figure 2 -13). Mechanical gas valves are available in Thermal the following sizes: Detector Maximum Ambient Model N o. Temperature Part Number Maximum TD -225 155° F. (68" C.) 13976 Valve Operating TD -325 255° F. (124° C.) 13975 Model No. Size Pressure Part Number TD 450 380° F. (193° C.) 13974 GV -75 3/4" 5 psi 550593 TD G00 530 F. (277° C.) 13971 GV -100 1" 5 psi 550594 GV -125 1 -1/4" 5 psi 550595 MODEL RPS-M - REMOTE GV -150 . 1 -1/2" 5 psi 550596 MECHANICAL PULL STATION GV -200 2" 5 psi 551049 GV -250 2 -1/2" 5 psi 550185 (P /N 551074) GV -300 3" 5 psi 550186 Remote manual control for the Model MCH3, NMCH3, or ECH3 control head is provided by the Model RPS -M remote mechanical pull station. It is connected to the system control .. head by stainless steel cable. This cable is enclosed in 1/2" ULEX 3470 October 1. 2001 PN551274 e i• • Chapter 2 — Components Page 2 -7 CORNER PULLEYS 1 1. Model SBP -1 (P /N 415670). ala A corner pulley is used whenever a changn in stainless steel , -- 0 ° cable direction is required. The Model SBP -1 corner pulley is Pyro Che equipped with a set screw fitting for cornection to 1/2' EMT. GAS VALVE SHUT -OFF • 11 See Figure 2 -14. • A o ° ® I. �_ AM HU III INIIIIIMMIIIIIII T®i Ill Figure 2 -14. Model SBP -1 Confer Pulley. 000160 2 . Model CBP -1 (P /N 423250). Figure 2 -13. GV- Series Mechanical Gas Valve. A corner pulley is used whenever a change in stainless 00005 3PC cable direction is required. The Model CBP -1 is a grease - tight corner pulley designed for areas likely to experience 2. Electric Gas Shutoff Valve, excessive deposit build -up. It is equipped with a compres- sion fitting for connection to 1/2" EMT. See Figure 2 -15. A gas shutoff valve is required on all systems used to pro- tect a gas fueled cooking appliance to stop gas flow in the Note: The Model CBP -1 is not a liquid tight seal for penetra- event of system actuation. A UL Listed electric gas valve can tion of hoods and /or ducts. be used with either the Model MCH3 or ECH3 control head. The valves are rated for natural and LP gas. Valves are 1111 available in 120 VAC. Electric gas valves are available in the • ....... following sizes: Maximum ' t ...... 0 Valve Operating Model No. Size Pressure Part Number EGVSO 75 3/4" 50 psi 550358 Figure 2 -15. Model CBP -1 Corner Pulley. EGVSO -100 1" 25 psi 550359 000161 EGVSO -125 1 -1/4" 25 psi 550360 EGVSO -150 1 -1/2" 25 psi 550361 EGVSO -200 2" 25 psi 550362 3. Model WBP -1 (P /N 550982). EGVSO-250 2-1/2" 25 psi 550363 A corner pulley is used whenever a change in stainless EGVSO-300 3" 25 psi 550385 cable direction is required. The Model WBP -1 is a weather - Note: A UL Listed manual reset relay is required when using proof corner pulley designed for areas likely to be exposed an electric gas valve. The Pyro-Chem Kitchen Knight 11 to moisture. It is equipped with female pipe threads for con - Model SM -120 solenoid monitor may be used for this pur nection to 1/2" rigid conduit. See Figure 2 15a. Pose ---- • r -- Figure 2 -15a. Model WBP -1 Corner Pulley. 000161 ULEX 3470 PN551274 October 1, 2001 • Chapter 2'- Components Page 2-6 TEE PULLEY (P /N 550166) ELECTRICAL SWITCHES The Model TP -1 tee pulley is used to connect two mechani- The electrical switches are intender: fcr use with electric gas ';';' cal gas valves or two remote mechanical pull stations to a valves, alarms, contactors, lights, contractor supplied elec- ' single control head. The tee pulley replaces two standard tric power shut -off devices and other ctectricai devices that 90 corner pulleys. See Figure 2 -16. are designed to shut off or turn on when the system is actuated. CAUTION The Tee Pulley must never be used to connect multiple NOTE fusible link lines to a single control head. No electrical connections shall be, made in•?de the con- trol head. All electrical wiring shall exit the con'.rol head through the knock -out on the side of the box. All electri- , cal connections must be made in an apprcvsd electrical - box. Switches are available in kits: ')ne Switch Kit, Part No. 551154; Two Switch Kit, Part No. 551155; Three Switch Kit, Part No. 551156, and Four Switch Kit, Part No. 551157. m Each switch has a set of single -pole, double -throw contacts rated at 21 amp, 1 HP, 125, 250, 277 VAC or 2 HP, 250, 277 VAC. Mounting hardware and 12" wire assemblies are pro - Ii•VINIO vided with each kit. N.O. • COMMON ---.- (RED) r ilit (BLACK) *1 1411111116. N.C. ,` , ' / (BROWN) 400.2",./..v 0 IN, Figure 2 -16. Model TP - Tee Pulley. 002057Pc Figure 2 -17. Model MS -SPDT Miniature Switch. W'6'2 S ULEX 3470 • October 1. 2001 PN551274 • • Chapter 3 - System Design • Page 3 -1 CHAPTER III SYSTEM DESIGN This section will cover the proper design of the Pyro -Chem I I 0-6 o' Kitchen Knight II Restaurant Fire Suppression System. It is divided into three (3) sections: Nozzle Coverage and Placement • Piping Limitations - Detector Requirements 41111k, Ir INTO DUCT Each of these sections must be completed before attempting any installation. 20 NOZZLE NOZZLE COVERAGE AND PLACEMENT -- - This section will provide guidelines for determining nozzle _ _ _ S _ _ 1/2 W � Type, positioning, and quantity for duct, plenum, and appli- ance protection. Wti,72PC A. Duct Protection • ` ^ '/2L It is not required that-the fan be shut down or the .exhaust - L - duct be dampered for the system to operate properly. Each nozzle is approved to protect exhaust ducts of unlimited Figure 3 -1. length. Transition Ducts - The protection of non - standard ducts Duct protection requires that a nozzle by positioned to dis- should be reviewed by the authority having jurisdiction. charge up, into the duct. The nozzle is a Model 2D, Part No. Pyro -Chem Kitchen Knight II recommends that transition 551038. ducts be protected as follows: The Model 2D duct nozzle is a two (2) flow nozzle. A single 2D nozzle is capable of protecting square or rectangular a. Transition ducts - larger to smaller duct with a maximum of 100 in. perimeter, with the longest In cases where the duct/plenum interface opening is side being a maximum of 34 in. It can also protect a round larger than the final exhaust duct, measure the perime- duct with a maximum diameter of 31 7/8 in. ter /diameter of the duct halfway between the largest Two (2) Model 2D duct nozzles can protect a square or rec and smallest section (or the average perimeter /diame tangular duct with a maximum of 150 in. perimeter, with the ter). The nozzle is to be located within 0 in. of the longest side being a, maximum of 51 in. They can also pro- duct /plenum interface (not at the point where the mea text a round duct with a maximum diameter of 47 1/2 in. surem ©nt was taken), centered under the final exhaust duct opening. See Figure 3 -1a. When two (2) 2D duct nozzles are used to protect a single duct, the cross sectional area of the duct must be divided into two equal symmetrical areas. The nozzle must then be installed on the centerline of the area it protects and aimed directly into the duct opening. The nozzle(s) must be installed on the centerline of the duct, with the tip located 0 to 6 in. into the opening, and aimed directly into the duct opening. See Figure 3 -1. PERIMETER - MEASUREA4ENT I NTO rRANSIT C . Figure 3 -1a. ULEX 3470 PN551274 October 1, 2001 • • Chapter 3 - System Design • Page 3 -2 b. Transition ducts — smaller to larger B. Plenum Protection In cases where the duct/plenum interface opening is The Model 1H nozzle, Part No. 551029, is a one (1) flow smaller than the final exhaust duct, measure the nozzle used for plenum protection. A single 1H nozzle can perimeter /diameter of the final exhaust duct. The noz- protect a plenum (with single or V -bank filters) 10 ft. long by zle(s) is to be located within 0 -6 in. of the duct /plenum 4 ft. wide. Dividing the length into sections equal to or less interface, centered in the opening. See Figure 3-1b. than 10 ft. in length and positioning a nozzle at the start of each section can be done to protect longer plenums. • • PERIMETER I On V -bank plenums, the nozzle(s) must be located at the cen- MEASUREMENT I ter of the .V -bank width, 1/3 of the vertical height of the filters. On single filter bank plenums, the nozzle must be located 2 in. from the back edge of the filter, 1/3 down from the vertical height. For either application, the nozzle must be located with- in 6 in. of the end of the plenum (or module) and aimed direct- I ly down the length of the plenum. See Figure 3 -2. uuol740c Figure 3 -1b c. Multiple risers • 10' MAX. In cases of multiple rises, each riser is protected as an individual duct. See Figure 3-1c. 10' MAX. DUCT 0 "TO6" 006177,PC 1, H DUCT e w r` ly . -- 1 / 2 w — ► 006175PC PLENUM • Figure 3 -1c 1/3 H V Electrostatic Precipitator — Ducts utilizing electrostatic pre- H cipitators must be protected above and below the unit. Standard duct nozzles are used in this application. See Figure 3 -1d. V V -BANK 20 NOZZLE — 1/3 H t V f PRECIPITATOR I 1.41-1 H —� 1 2 006177uPC PLENUM SINGLE BANK 2D NOZZLE Figure 3 -2 0Uu17uPC • • Figure 3-1d I.JLEX 3470 October 1, 2001 PN551274 • Chapter 3 — System Design • Page 3 -3 C. Appliance Protection 1 a. Fryers without Drip Board (19 in. x 19 1/2 in. maximum) . Note: When protecting appliances which are larger than sin- Two nozzles are available for fryer protection: High prox- gle nozzle coverage, multiple nozzles can be used. imity and low proximity. ' Larger appliances can be divided into several modules, each The Model 2H nozzle, Part No. '51028, is used for high equal to or smaller than single nozzle coverage. Exception: proximity fryer protection. This nozzle is a two 2) flow Fryers must not exceed a maximum of 864 sq. in. nozzle. The nozzle must be locates anywhere within For modularizing fryers, refer to "FRYER — MULTIPLE NOZ- the perimeter of the hazard area 24 in. to 41., in. above ZLE PROTECTION" the cooking surface of the ap7'iar'.E'e and airneiI at the center of the cooking area. See Figure 3 -3a. Design Chart The Model 2L nozzle is used for low proximity :rv.:r protec- tion. This nozzle is a two (2) flaw nozzle. The nozzle muss: Maximum Cooking be located anywhere on the perimeter of the hazard Appliance Type Hazard Area per Nozzle area, 13 in. to 24 in. above the cooking surface of the Fryer 19 in. x 19 1/2 in. appliance and aimed at the center of the cooking area. Without Drip Board maximum See Figure 3 -3a. ---- 2 H HIGH Fryer 18 in. x 27 3/4 in. maximum I__.____ PROXIMITY With Drip Board 19 in. x 25 3/8 in. maximum , i LOCATED 1 I ANYWHERE Two Burner Range 12 in. x 28 in. maximum ; , ; WITHIN THE , 2H, 2L I i t 1 PERIMETER Four Burner Range 28 in. x 28 in. maximum ' ` rc, r aa . -- Low 48" � ' 1 I PROXIMI1Y Small Wok 24 in. diameter x / / I a i NozzLE 1 II I LOCATED 6 in. deep maximum / 2L I I ANYWHERE. Large Wok 30 in. diameter x ;�' , ' 2a I "'� � �l "' PERIMETER 8 in. deep maximum //,' 13 i Small Griddle Maximum area of 1080 sq. I , 006229Pc • in. with the longest side to I I FRYERS WITHOUT • 1 EDGE OF DRIPBOARDS be a maximum of 36 in. 1 OF HAZARD AREA Large Griddle Maximum area of 1440 sq. HAZARD in. with the longest side to AREA 006170PC be a maximum of 48 in. Figure 3 -3a Gas Radiant Char - Broiler Maximum area of 624 sq. in. lb. Fryers with Drip Board with the longest side-to be a maximum of 26 in. The maximum single nozzle protection dimensions • depend on the dimensions of the fry pot only. Gas Radiant Char - Broiler Maximum area of 864 sq. in. with the longest side to be a For fry pots with maximum dimensions of 18 in. on the maximum of 36 in. longest side and 324 sq. in. max. area, use overall Lava Rock Char - Broiler Maximum area of 624 sq. in. dimensions of 27 3/4 in. on the longest side and 500 sq. with the longest side to be a in. max. area. maximum of 26 in. For fry pots with maximum dimensions exceeding 18 in. x 324 sq. in., but no greater than 19 1/2 in. on the Natural Charcoal Broiler Maximum area of 480 sq. in. longest side and 371 sq. in. max area, use overall with the longest side to be a dimensions of 25 3/8 in. on the longest side and 495 sq. maximum of 24 in. in. area. Mesquite Char Broiler Maximum area of 480 sq. in. Two nozzles are available for fryer protection: High prox- with the longest side to be a maximum of 24 in. imity and low proximity. Upright /Salamander Broiler 36 in. wide x 28 in. deep . maximum Chain Broiler 27 in. wide x 38 in. deep maximum ULEX 3470 PN551274 October 1, 2001 • . Cheptar 3 _ System Design Page 3 -4 The Model 2H nozzle, Part No. 551028, is used for high proximity fryer protection. This nozzle is a two (2) flow nozzle. The nozzle must be located anywhere within i 1H /� .• the perimeter of the hazard area, 24 in. to 48 in. above t — so° . the cooking surface of the appliance and aimed at the , L center of the cooking area. See Figure 3 -3b. ' 1H / ° T o , The Model 2L nozzle is used for low proximity fryer pro T' •''`,. V • tection. This nozzle is a two (2) flow nozzle. The nozzle must be located anywhere on the perimeter of the haz- \ / and area, 13 in. to 24 in. above the cooking surface of # �I > C ... the appliance and aimed at the center of the cooking ,/� area. See Figure 3 -3b. 2e I.I. 2H HIGH / PROXIMITY / � PROXIMIi LOCATED / I ANYWHERE ' I WITHIN THE / HIGH ! I i PERIMETER j PROXIMITY 2H. 2L T`, _ __ K ` � - I >� - LOW / .....pc ! , 48 " .. PROXIMITY ! NOZZLE LOCATED Figure 3 -4a ' ! • 2L ' I I ON T E ERE The Model 1L nozzle, Part No. 551066, is used for low prox- !! ; `( 24" I If YAM' PERI I! ' 13., imity two burner range protection. This nozzle is a one (1) II,- L flow nozzle. The range can be equipped either with or with - L r -- UUu2:3DPC out a backshelf. Either type requires the same nozz e FRYERS WITH requirements. The nozzle must be located 22 in. from the , i DIPBOARDS of HAF F end of the hazard area centered from left to right. It must be , "--- -""- - "– AREA 13 in. to 24 in. above cooking surface, and aimed at a point HAZARD AREA 01161711PC one half the distance of whatever the height dimension of the nozzle is. When determining nozzle and aim point loca- Figure 3 -3b tions, both measurements are to be taken from the same end of the hazard area. Example: The nozzle is mounted 20 2. Two Burner Range (12 in. x 28 in. maximum) in. above the cooking surface. The aim point from the edge Two nozzles are available for two burner range protec- of the hazard would then be 10 in. which is one half the [ion: High proximity and tow proximity. nozzle mounting height dimension. See Figure 3 -4b. Note: II The Model 1 H nozzle, Part No. 551029, is used for high the range contains a backshelf, it must be a minimum of proximity two burner range protection. This nozzle is a 23 1/2 in. above the surface of the appliance and cannot one (1) flow nozzle. When using high proximity pro extend over the hazard area more than 11 in. tection, the range cannot be under a backshelf. This EDGE OF • nozzle must be located on both the front /back centerline HAZARD AREA and the side /side centerline of the appliance, 40 in. to 50 1 • in. above the cooking surface, and aimed directly down. 22' See Figure 3 -4a. _ \ I / _ 1 -- 22.. / I \ 1L •\ I / 24 (I i) — x . — 11(H) / I 1 l) - -- c I — 1/2 (H) HAZARD O0,nu SURFACE Figure 3 -4b ULEX 3470 October 1 , 2001 PN551274 • • Chapter 3 — System Design Page 3 -5 3. Four Burner Range (28 in. x 28 in. maximum) 11H One nozzle is available for four burner range protection: High proximity. The Model 2L nozzle, Part No. 551027, is used for high i i I proximity four burner range protection. This nozzle is a two (2) flow nozzle. When using high proximity pro- I tection, the range cannot be under a backshelf. This I / 1,1.1. nozzle must be located on both the front /back centerline / and the side /side centerline of the hazard area, 34 in. to ; ,1 ae 48 in. above the cooking surface, and aimed directly down. See Figure 3 -5. ' r / 1 ' I 24 I ' ,/ 13" 2L I I v ! I' - 1 40" i NUZZLE LOCATE, ' t ��� 'lp' PERIMETER z j OIKiU3PC "4 IN. DIAMETER V -'' 34" I Y ' / Figure 3 -6 I� '�� I 5. Large Wok (Greater than 24 in. to 30 in. diameter x 8 in. �, I I I -/. depth maximum) . 2 .' "'"-,.. „.„.... „., , i 1 �/ Two nozzles are available for large wok protection: High ze 1N 28 IN. proximity and low proximity. The 2H nozzle, Part No. 551028, is used for high prox- / imity wok protection. This nozzle is a two (2) flow nozzle. j The nozzle must be located anywhere on the perimeter of the appliance, 24 in. to 48 in. above the top edge of 0U4 PC the wok and aimed at the center of the wok. See Figure Figure 3 -5 3 -7. The 2L nozzle, Part No. 551027, is used for low proximity 4. Small Wok (24 in. diameter x 6 in. depth maximum) wok protection. This nozzle is a two (2) flow nozzle. The nozzle must be located anywhere on the perimeter of Two nozzles are available for small wok protection: High the appliance, 13 in. to 24 in. above the top edge of the proximity and low proximity. wok and aimed at the center of the wok. See Figure 3 -7. The 1H nozzle, Part No. 551029, is used for high prox- 12H imity wok protection. This nozzle is a one (1) flow noz- zle. The nozzle must be located anywhere on the perimeter of the appliance, 24 in. to 48 in. above the I top edge of the wok and aimed at the center of the wok. ' 1 See Figure 3 -6. , The 1L nozzle, Part No. 551026, is used for low proximity ' I 2H, 2L wok protection. This nozzle is a one (1) flow nozzle. The V nozzle must be located anywhere on the perimeter of ,` ,'I 48' the appliance, 13 in. to 24 in. above the top edge of the , , 1 wok and aimed at the center of the wok. See Figure 3 -6. / ,', 2L z4' ' II i , i 13., I ' ' I Iv. • i �� NOZZLE LOCATED ON PERIMETER 006163PC 30 IN. DIAMETER l � MAXIMUM Figure 3 -7 ULEX 3470 PN551274 October 1, 2001 2I iapter 3 — System Design H::g1 3 -6 o. Small Griddle (1080 sq. in. x 36 in. longest side and 12 in. in from the corner below the nozzle. See Figure 3 -9. maximum) Figure OF Two nozzles are `available for small griddle protection: ED H proximity and low proximity. NOZZLE (ANY � 11 -__ - - - The 'I f-I nozzle, Part No. 551029, is used for high proxirn- C ORNER) s s 12 , ity griddle protection. This nozzle is a one (1) flow nozzle. 12 , ; The nozzle must be located above any corner of the I I hazard surface, 24 in. to 48 in. above the cooking surface A..V F DlNT I I of the appliance and aimed at a point 12 in. over and 12 in. in from the corner below the nozzle. See Figure 3 -8. 2H - -" The 1L nozzle, Part No. 551026, is used for low proximity -----"t griddle protection. This nozzle is a one (1) flow nozzle. The nozzle must be located above any corner of the hazard surface, 13 in. to 24 in. above the cooking surface 2H. 2L or the appliance and aimed at a point 12 in. over and 12 j -- _\ in. in from the corner below the nozzle. See Figure 3 -8. 48 ` zl. EDGE OF ` HAZARD AREA 24" - - � HAZARD l � `. SURFACE _ _ f NOZZLE (ANY 7a-- f - --- __-- —. --- - - I 3 ,E �� CORNER) ' 12" , I 1 I `, i _ .._ —._ L 1 i 12" ' , 1 I t ( 1 I _ AIM POINT wouwc J Figure 3 -9 ( 8. Gas Radiant Char - Broiler (624 sq. in. x 26 in. longest side maximum) Two nozzles are available for gas radiant char - broiler 111.1L `, protection. High proximity and low proximity. The 1H nozzle, Part No. 551029, is used for high proximity ;e" 1L gas radiant char - broiler protection. This nozzle is a one (1) 4 HHZAHD flow nozzle. The nozzle must be located anywhere within 24'• I \ ,' SURFACE the perimeter of the hazard area, 24 in. to 48 in. above the .1 13 cooking surface of the appliance and aimed at the center of . _._.L._ ._ ___,I._______L_________ the broiler surface. See Figure 3 -10. i The 1 L'nozzle, Part No. 551026, is used for low proximity 1z" — " " "'`' gas radiant char - broiler protection. This nozzle is a one Figure 3 -8 (1) flow nozzle. The nozzle must be located anywhere on the perimeter of the hazard surface, 13 in. to 24 iii. 7. Large Griddle (1440 sq. in. x 48 in. longest side above the cooking surface of the appliance and aimed at the center of the broiler surface. See Figure 3 -10. maximum) 1H NOZZLE LOCATED ANYWHERE WITHIN THE PERIMETER 1WU nozzles are available for large griddle protection: FOR HIGH PROXIMITY PROTECTION High proximity and low proximity. 1 I\ 1L NOZZLE LOCATED ANYWHERE ON THE PERIMETER �- ∎ FOR LOW _ _ The 2H nozzle, Part No. 551028, is used for high prox- 1FI, \ PROXIMITY imity griddle protection. This nozzle is a two (2) flow noz- \, PROTECTION I i I zle. The nozzle must be located above any corner of 48 .. tL I _ the hazar surface, 24 in. to 48 in. above the cooking 24 „ i � . 4 surface of the appliance and aimed at a point 12 in. over L 13. . �\ I I I and 12 in. in from the corner below the nozzle. See I f I _ I Figure 3 -9. � — o --� — - - -- - .. _ . RA The 2L nozzle, Part No. 551027, is used for low proxim GAS RADIANT i- BROILER EDGE OF H.azAr D AI it ty griddle protection. This nozzle is a two (2) flow nozzle. The nozzle must be located above any corner of the Figure 3 -10 hazard surface, 13 in. to 24 in. above the cooking sur- face of the appliance and aimed at a point 12 in. over ULEX 3470 October 1, 2001 PN551274 - Chapter 3 - System Design Page 3-9 REV. 1 9. Radiant Char - Broiler (864 sq. in. (2195 sq. cm) x 36 in. The 2L nozzle, Part No. 551027, is used for low proxim- (91 cm) longest side maximum) ity lava rock char - broiler protection T)lis nozzle is a two Two nozzles are available for radiant char - broiler protec- (2) flow nozzle. The nozzle mkt be located anywhere lion: High proximity and low proximity. on the perimeter of the hazard surface, 15 III. to 24 in. (38 to 61 cm) above the cooking surface of he anpli- The 2H nozzle, Part No. 551028, is used for high proximity ance and aimed at the center of t`1 broiler .`uiiar.e. See radiant char- broiler protection. This nozzle is a two (2) flow Figure 3 -12. 'I nozzle. The nozzle must be located above any corner of 2L NOZZLE LOCATED ANYWHERE WITHIN TI:E PER'METF-R the hazard surface, 36 in. to 48 in. (91 to 122 cm) above 2L FOR HIGH PROXIMITY PROTECTION? the cooking surface of the appliance and aimed at the X 2L NOZZLE LOCATED ANYWHERE JN THE PERIMETER _ center of the broiler surface. See Figure 3-11a. T zLy , FOR LOW - -1- —r� __ P ROXIMITY EDGE OF I T ■ PROTECTION 35 IN l HAZAFlD AREA - -- \ \ I I (89 cm) - NOZZLE - E (ANY - 1 �,, — — C: CORNER) r - I 24 IN � ` L (61 cm) • •0 PFI 15 cm) IN. ``�, q. \ I I J _(38 cml \\ I -- 111 i 1 ,, -if! .� II IN \ L -_ - . - - - - I rr,l � \ \ I .. L l LAVA R0 '( nnrvr.•r. 39 IN CHAR- BROILER EDGE OF I91 ,.m) 0 —� HAZARD AREA . . � \ I - _ Figu 3 -12 `r I HIGH PROXIMITY an6,D5PC . RADIANT BROILER 11. Natural Class "A" Charcoal Char - Broiler (480 sq. in. • Figure 3 -11a (3097 sq. cm) x 24 in. (61 cm) longest side maximum) Note: Class "A" (natural) charbroilers are distinguished The 2L nozzle, Part No. 551027, is used for low proximity by the use of charcoal, mesquite chips, chunks, and /or radiant char- broiler protection. This nozzle is a two (2) flow logs that are used for cooking. nozzle. The nozzle must be located anywhere on the Two nozzles are available for natural charcoal clear perimeter of the hazard surface, 13 in. to 36 in. (33 to 91 cm) above the cooking surface of the appliance and broiler protection. High proximity and low proximity. The aimed at the center of the broiler surface. See Figure 3 -11b. maximum depth of fuel (charcoal) must not exceed 6 in. (15 cm). NOZZLE LOCATED ANYWHERE ALONG ___ _ The 1H nozzle, Part No. 551029, is used for high prox- - 2L PERIMETER -__ OF HAZARD imity r>atural charcoal char- broiler protection. This nozzle AREA is a one (1) flow nozzle. The nozzle must be located ^_I_ I anywhere within the perimeter of the hazard area, 24 3 IN. ° , — + -- c. in. to 35 in. (61 to 89 cm) above the cooking surface of (91 1 ,;1„) . , I 13 IN q. the appliance and aimed at the center of the broiler (33 cm) surface. See Figure 3 -13. (' I The 1L nozzle, Part No. 551026, is used for low proxim- q - LOW PROXIMITY Do6le6PC RADIANT BROILER EDGE OF ity natural charcoal char broiler protection. This nozzle is HAZARD AREA a one (1) flow nozzle. The nozzle must be located Figure 3-11b anywhere on the perimeter of the hazard surface. 15 • in. to 24 in. (38 to 61 cm) above the cooking surface of • 10. Lava Rock Char - Broiler (624 sq. in. (4026 sq. cm) x the appliance and aimed at the center of the broiler 26 in. (66 cm) longest side maximum) surface. See Figure 3 -13. 1H NOZZLE LOCATED ANYWHERE WITHIN THE PERIME- Note: Synthetic rock charbroilers are distinguished by 1H. TER FOR HIGH PROXIMITY PROTECTION . the use of lava, pumice, or synthetic rocks that are used 1 1L NOZZLE LOCATED ANYWHERE ON THE PERIMETER 1 11_ 1H 1, FOR LOW — -- - -- for cooking. . L PROXIMITY .\ PROTECTION One nozzle is available for lava rock char - broiler protec- ( © 5 IN. ( '-• tion. The 2L nozzle, Part No. 551027, is used for both . 1 1 , \`, • _ I _. ;� 11 high proximity and low proximity. 24 IN. r . I I (6, cml l The 2L nozzle, Part No. 551027, is used for hi h roximit r I I 9 P Y 1 I (38 IN s 1 -- lava rock char- broiler protection. This nozzle is a two (2) - -1 I.. • flow nozzle. The nozzle must be located anywhef a within FUEL DEPTH MUST NOT NATURAL CHARCOAL 11 EXCEED 6 IN. (15 cm) the perimeter of the hazard area, 24 in. to 35 in. (61 to 89 CHAR - BROILER EDGE OF HAZARD AREA cm) above the cooking surface of the appliance and aimed Figure 3 -13 at the center of the broiler surface. See Figure 3 -12. L ULI_X 3z 7e • PN551274 April 'I. 2002 • Chapter 3 — System Design Page 3 -10 FRYER — MULTIPLE NOZZLE PROTECTION PIPING LIMITATIONS Fryers exceeding the coverage of a single nozzle can be Once the nozzle placement and quantity of tanks has been divided into modules. Each module must not exceed the determined, it is necessary to determine the piping configu- maximum area allowed for a single nozzle. However, when rations between the tank and the nozzles. This section con - utilizing multiple nozzle protection, the longest side allowed tains the guidelines and limitations for designing the distribu- for a fryer with drip board can be used, regardless of tion piping so that the wet chemical agent will discharge whether the fryer has a drip board or not. from the nozzles at a proper flow rate. These limitations must also be referred to when selecting the mounting loca- The maximum size fryer that can be modularized is 864 sq. tion for the tanks. in. The maximum pipe lengths are based on internal pipe vol- Design requirements for multiple nozzle fryers are broken ume. Each size tank is allowed a minimum and maximum down as follows: total volume of piping, calculated in milliliters. 1. If the fryer includes any dripboard areas, measure both There is no need to distinguish between what portion of the the internal length (front to back) and width of the frypot piping is supply line and what portion is branch line. Only portion. Then measure the internal length and width of the total volume of the complete piping network has to be the overall hazard area including any dripboard areas. considered. Determine the area of both the frypot and the area of the overall vat by multiplying corresponding length and width Volume Chart dimensions. 1/4 in. pipe = 20.5 mis. /ft. 2. Divide the frypot or overall vat into modules, each of 3/8 in. pipe = 37.5 mis. /ft. which can be protected by a single nozzle, based on the maximum dimension and area coverage of the nozzle as 1/2 in. pipe = 59.8 mis. /ft. specified in "Design Chart." 3/4 in. pipe = 105.0 mis. /ft. • If the module considered does not include any portion of the dripboard, use only the maximum frypot area and maximum dimension listed in the "Design Chart." Tank Chart • If the module considered includes any dripboard Maximum areas, use both the maximum frypot area and dimen- Volume Allowed sion listed in the "Design Chart ", and the maximum Maximum Between First overall area and dimension listed in the "Design Maximum Pipe Nozzle and Chart." Tank Flow Volume Last Nozzle Size Numbers (milliliters) (milliliters) 3. None of the maximum dimensions may be exceeded. If 3.0 Gallon 10 1910 1125 either the maximum frypot or the overall sizes are PCL -300 exceeded, the area divided into modules will need to be 4.6 Gallon 14 3400 3000 redefined with the possibility of an additional nozzle. PCL -460 4.6 Gallon 15 2600 2000 • PCL -460 6.0 Gallon 19 4215 1688 PCL -600 per side 6.0 Gallon 20 3465 1313 PCL -600 per side • ULEX 3470 October 1, 2001 PN551274 • • Chapter 3 — System Design Page 3 -15 DETECTOR PLACEMENT Detectors are required over cooking appliances and in the duct(s) of protected ventilation hoods. Detectors shall be located in the plenum area of the ventilation hood. 1. Exhaust Duct(s). • Each exhaust duct must have at least one (1) detector installed in the duct entrance, located in the air stream of the cooking vapors at a maximum of 12 feet into the duct, centered. See Figure 3 -25. 2. Cooking Appliance(s). Each cooking appliance with a continuous cooking surface not exceeding 48" x 48" shall be protected by one (1) detec- tor. Cooking appliances with a continuous cooking surface exceeding 48" x 48" shall be protected by one (1) detector per 48" x 48" cooking area. Detectors used for cooking appli- ances must be located within the perimeter of the protected • appliance toward the exhaust duct side of the appliance. The detector should be located in the air stream of the appliance • to enhance system response time. If a cooking appliance is located under a duct opening where a detector has been mounted, it is not necessary to utilize an additional detector provided the duct detector is not more than 12" into the duct opening. If two (2) appliances are located under a duct opening where a detector has been mounted, it is not necessary to utilize an additional detector provided the duct detector is not more than 12" into the duct opening. See Figure 3 -23. • j L� LBO L APPLIANCE APPLIANCE APPLIANCE APPLIANCE COVERED COVERED COVERED COVERED BY BY BY BY DETECTOR DETECTOR DETECTOR DETECTOR A B B C Figure 3 -23. Proper Detector Placement. 00294 ULEX 3470 PN551274 October 1. 2001