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SECTION 5 – SySTEm maINTENaNCE

UL EX3830 ULC EX3830

2014-NOV-10 REV. 06 PagE 5-1

KITCHEN KNIGHT II Restaurant Fire Suppression Manual

GENERaL

The maintenance information listed in this section deals with the

limitations and parameters of this pre-engineered system. Those

individuals responsible for the maintenance of the KITCHEN

KNIgHT II system must be trained and hold a current PYRO-

CHEM certificate in a KITCHEN KNIgHT II training program.

SEmI-aNNUaL maINTENaNCE

1. Check that the hazard area has not changed.
2. Check that the system has not been tampered with, i.e.,

nozzles removed, nozzles not aimed properly, piping not

supported properly, blow off caps in place.

3. Check the entire system for mechanical damage.
4. Check all nozzle orifices to make certain they are not

plugged. apply a small amount of Dow Corning No. III sili-

cone grease across the opening of the nozzle tip. Replace

blow off caps or o-ring if necessary.

Note:

Rubber blow-off caps that have been installed in the

system for one year or more must be replaced.

5. Check the solenoid monitor.

CaUTION

Before continuing, remove the cover from the control

head and insert the safety pin in the hole in the slide

plate above the latching arm. This will secure the system,

preventing accidental discharge.
If the control head cover requires replacement, it must

only be replaced with the NMCH cover plate which does

not have a handle on the control head cover for local

actuation.

6. Disconnect the control head or pneumatic tubing from the

valve cap assembly of each agent cylinder. Remove the

carbon dioxide pilot cartridge in the control head. Remove

the safety pin from the slide plate. actuate the control head

to ensure it is functioning properly. Make certain the gas

shut-off valve and remote pull station are functioning prop-

erly.

Test the functionality of the control head with the cover in

place to verify there is no binding. If binding occurs, turn

the indicator mounting bolt until there is 1/16 (1.6 mm) clear-

ance between the front edge of the control head back box

and white indicator surface.

7. Inspect the pulley elbows for excessive grease buildup.

Clean elbows if necessary. Replace fusible links. (They

must be replaced semi-annually per NFPa 96.) Visually

inspect thermal detectors.

Note:

Refer to Section 4 – System Installation for control

head assembly resetting procedures.

NOTICE

Methods and frequency of inspection,

testing and maintenance of detectors

should be in accordance with NFPa-72.

8. Reinstall the carbon dioxide pilot cartridge, reconnect the

control head, and replace the control head cover and nylon

tie. See detailed cartridge installation instructions listed on

Page 4-20 (System Installation).

CaUTION

Before screwing the carbon dioxide pilot cartridge into the

actuator, ensure that the actuator has an o-ring installed.

If actuator is utilizing a Teflon washer, replace with o-ring

(Part No. 55531).

9. Inspect the cylinder pressure. Tap the gauge lightly to

ensure the needle is moving freely. If the gauge shows a

loss in pressure indicated by the needle being below the

green band, the tank should be removed and recharged per

the SYSTEM RECHaRgE section of Chapter VI (System

Recharge) in this manual.

aNNUaL maINTENaNCE

1. Inspect as per semi-annual maintenance instructions. Do

not reconnect control head at this time.

2. Disconnect the discharge piping from the valve outlet. Using

air or nitrogen, blow out the piping. Replace all nozzle caps.

3. Fixed temperature sensing elements of the fusible alloy

type must be replaced, at a maximum semi-annually, or

more frequently if necessary, to assure proper operation of

the system.

4. Test thermal detectors and remote pull stations per SYSTEM

CHECKOUT aFTER INSTaLLaTION section located in

Chapter IV (System Installation) of this manual. Per NFPa

72, two or more detectors per circuit should be tested. Note

individual detector location and date of testing. Within five

years, all detectors in system must be tested.

5. Replace the carbon dioxide pilot cartridge and o-ring (Part

No. 55531).

6. Record the date of installation on the cartridge with a felt-

tipped marker.

7. See detailed cartridge installation instructions listed on

Page 4-20 (System Installation).

CaUTION

Before screwing the carbon dioxide pilot cartridge into the

actuator, ensure that the actuator has an o-ring installed.

8. Reconnect the control head. Replace the control head

cover and nylon tie.

Содержание Kitchen Knight II

Страница 1: ...com Copyright 2014 Tyco Fire Products LP All rights reserved Part No 551274 06 DESIGN INSTALLATION Recharge and Maintenance Manual KITCHEN KNIGHT II RESTAURANT FIRE SUPPRESSION SYSTEM PCL 160 300 460...

Страница 2: ......

Страница 3: ...Technical Manual PN551274 4 dated March 1 2006 and is not intended to replace the requirements and limitations outlined in the current manual The information contained in this bulletin will be added...

Страница 4: ......

Страница 5: ...system Fire suppression systems are mechanical devices They need periodic care Maintenance is a vital step in the performance of your fire suppression system As such it must be performed in accordanc...

Страница 6: ...expe rience serious personal injury or death if the situation is not avoided CAUTION Indicates a hazardous situation in which a person could expe rience minor or moderate personal injury if the situa...

Страница 7: ...sed information Indicates change in page sequence 2014 NOV 10 Complete manual has been reformatted along with several revised pages that contain updated technical information For clarity all pages hav...

Страница 8: ...30 ULC EX3830 Page 2 REV 06 2014 NOV 10 KITCHEN KNIGHT II Restaurant Fire Suppression Manual REVISION RECORD Indicates revised information Indicates change in page sequence DATE PAGE REV NO DATE PAGE...

Страница 9: ...2 9 TEE PULLEY 2 9 WIRE ROPE 2 9 ELECTRICAL SWITCHES 2 10 SM 120 SOLENOID MONITOR 2 10 PIPE AND FITTINGS 2 10 AGENT DISTRIBUTION HOSE AND 2 11 RESTRAINING CABLE KIT 2 11 STAINLESS STEEL ACTUATION HOS...

Страница 10: ...4 14 Final Installation Guidelines and 4 15 Checkout Procedures Agent Distribution Hose Restraining 4 16 Cable Six Month Maintenance Blank Page 4 17 SYSTEM CHECKOUT AFTER INSTALLATION 4 18 Model MCH3...

Страница 11: ...hemical chain reaction causing combustion is inter rupted by both the agent itself and the resulting steam formation 2 The agent cools the fire bringing it below auto ignition temperature 3 The agent...

Страница 12: ...SECTION 1 GENERAL INFORMATION UL EX3830 ULC EX3830 Page 1 2 REV 06 2014 NOV 10 KITCHEN KNIGHT II Restaurant Fire Suppression Manual NOTES...

Страница 13: ...851 49 0 Figure 2 1 002841PC All cylinders utilize the same Wet Valve Assembly Part No 551175 The wet valve assembly is a pressure sealed poppet type valve designed to provide rapid actuation and dis...

Страница 14: ...acket Kit Part No 550053 See Figure 2 6 These kits must be ordered separately with each cylinder valve assembly Cylinder installation instructions are provided in the installation section of this manu...

Страница 15: ...4 Part No 551201 It is equipped with a local manual control handle that allows for mechanical system actuation Operation of the local manual control requires removing the pull pin and rotating the han...

Страница 16: ...The cartridge is installed in the control head on top of the tank valves The cartridge shipping assembly contains six cartridges MODEL MB P2 CONTROL HEAD MOUNTING BRACKET The Model MB P2 Mounting Bra...

Страница 17: ...in 203 mm steel bracket two 1 2 in EMT connectors two cable crimps and two S hooks Fusible links must be ordered separately Model FLH 1 Assembly The Model FLH 1 Fusible Link Hanger Assembly Part No 5...

Страница 18: ...ned to operate at a factory preset temperature They are available in four preset temperatures which meet NFPA standards and are UL Listed and FM Approved After determining the maximum ambient temperat...

Страница 19: ...58 24 1 1 8 in 1 2 in 550860 24 1 1 8 in Adaptor Body Gasket Lockwasher Nut Figure 2 18 000154 COMPRESSION SEAL ADAPTOR This adaptor is a mechanical bulkhead fitting that produces a liquid tight seal...

Страница 20: ...50594 GV 125 1 1 4 in 15 32 in 12 mm 550595 GV 150 1 1 2 in 15 32 in 12 mm 550596 GV 200 2 in 15 32 in 12 mm 551049 GV 250 2 1 2 in 29 32 in 23 mm 550185 GV 300 3 in 29 32 in 23 mm 550186 Figure 2 21...

Страница 21: ...n is required The Model WBP 1 Part No 550982 is a weather proof corner pulley designed for areas likely to be exposed to moisture It is equipped with female pipe threads for connection to 1 2 in rigid...

Страница 22: ...DC See Figure 2 28 When spacer and switch are properly mounted this divider must be between the N O and N C terminals Toward Rear of Control Head N O COM Spacer N C Figure 2 28 004890 See NFPA 72 Nati...

Страница 23: ...0433 NOZZLES Nozzles have been developed for appliance plenum and duct applications All nozzles have a specific flow point value and are supplied with metal blow off caps to prevent clogging Each nozz...

Страница 24: ...is aiming at The nozzle can then be rotated to point at a predetermined aiming point and then tightened to hold that angle The aiming device requires an adaptor Part No 550926 to attach it to the noz...

Страница 25: ...CK OF 10 551038 SWIVEL ADAPTOR PACK OF 25 423572 RUBBER BLOW OFF CAPS 550016 PACK OF 12 RPS M REMOTE MECHANICAL 551074 PULL STATION MODEL NO DESCRIPTION PART NO FLK 1 10 IN 254 mm FUSIBLE LINK BRACKET...

Страница 26: ...0 GALLON RECHARGE 551188 PCL 300T TEST TANK 551024 PCL 460T TEST TANK 550902 PCL 600T TEST TANK 550901 RUBBER BLOW OFF CAP 550016 10 x WET NOZZLE CAP 551528 10 x WET NOZZLE STRAINER 551529 10 x WET NO...

Страница 27: ...e Model IL Duct Nozzle Part No 551026 is a one flow nozzle A single IL nozzle is capable of protecting square or rectangular ducts with a maximum perimeter of 50 in 1270 mm maximum side of 16 3 4 in 4...

Страница 28: ...ioned in the bottom half of the duct area Example The duct to be protected has a Side A of 40 in 1016 mm and a Side B of 60 in 1524 mm Referring to the design chart this duct requires 4 nozzles One ha...

Страница 29: ...e final exhaust duct The nozzle s is to be located within 0 to 6 in 0 to 152 mm of the duct plenum interface centered in the opening See Figure 3 4 006174PC Perimeter Measurement Figure 3 4 c Multiple...

Страница 30: ...21677 mm2 with the longest side to be a maximum of 28 in 711 mm Large Range Maximum area of 784 in 2 50580 mm2 with the longest side to be a maximum of 28 in 711 mm Small Wok 24 in 609 mm diameter x...

Страница 31: ...10 mm to 1219 mm above the cooking surface of the appliance and aimed at the center of the cooking area See Figure 3 9 The Model 2L nozzle is used for low proximity fryer protection This nozzle is a t...

Страница 32: ...1 2 139 18 457 12 304 5 127 19 482 12 304 4 1 2 114 20 508 12 304 4 101 21 533 12 304 3 1 2 88 22 558 12 304 3 76 23 584 12 304 2 1 2 63 24 609 12 304 2 50 25 635 12 304 1 1 2 38 26 660 12 304 1 25 2...

Страница 33: ...3 12 3 Larger Burner Range 784 in 2 50580 mm2 maximum 28 in 711 mm longest side maximum One nozzle is available for large range protection High proximity The Model 2L Nozzle Part No 551027 is used for...

Страница 34: ...609 3 1 2 88 22 558 25 635 3 1 8 79 22 558 26 660 2 3 4 69 22 558 27 685 2 3 8 60 22 558 28 711 2 50 23 584 18 457 5 1 4 133 23 584 19 482 4 7 8 123 23 584 20 508 4 1 2 114 23 584 21 533 4 1 4 107 23...

Страница 35: ...m 24 IN 609 6 mm 24 in 609 6 mm Diameter Maximum Nozzle located on perimeter Figure 3 14 5 Large Wok Greater than 24 in to 30 in 609 6 mm to 762 mm diameter x 8 in 203 mm depth maximum Two nozzles are...

Страница 36: ...r low proximity griddle protection This nozzle is a two flow nozzle The nozzle must be located 0 to 6 in 0 to 152 mm from the short side of the hazard surface 13 in to 24 in 331 mm to 609 6 mm above t...

Страница 37: ...36 in to 48 in 915 mm to 1219 mm above the cooking surface of the appliance and aimed at the center of the broiler surface See Figure 3 20 006185PC 48 IN 1219 mm 36 in 915 mm High Proximity Radiant B...

Страница 38: ...or mesquite char broiler protec tion High proximity and low proximity The maximum depth of fuel wood must not exceed 6 in 152 mm The 1H nozzle Part No 551029 is used for high proximity mesquite char b...

Страница 39: ...r of the broiler chamber The nozzle must be aimed parallel to the broiler grate surface See Figure 3 26 006189PC Upright Broiler Salamander Broiler 1L nozzle aimed at back opposite corner 1L nozzle ai...

Страница 40: ...aced toward the front of the appliance to minimize the potential for the tilt skillet or braising pan cover to interfere with the nozzle discharge See Figure 3 28 000071 For minimum and maximum nozzle...

Страница 41: ...to the base of the fryer nozzle tip is located 2 in 50 mm from back side of fry vat and 8 in 203 mm in from the right side of appliance back shroud See Figure 3 29 The 2F nozzle is a flat spray nozzle...

Страница 42: ...e Tee Block to the base of the fryer nozzle tip is located 2 in 50 mm from back side of fry vat and 8 in 203 mm in from the left side of appliance back shroud See Figure 3 30 The 2F nozzle is a flat s...

Страница 43: ...oiler Model JF94E Electric Broiler with Catalyst High Proximity Protection see Figure 3 32 Nozzle Type 2H Nozzle Quantity Two Nozzle Height 20 in 508 mm Nozzle Location 6 5 in 165 mm from front or bac...

Страница 44: ...onfigura tions between the tank and the nozzles This section contains the guidelines and limitations for designing the distribution piping so that the wet chemical agent will discharge from the nozzle...

Страница 45: ...s required in total system Of that minimum 239 ml and two flow numbers must be utilized at or before the range wok or fryer PCL 460 Minimum of 660 ml and ten flow numbers required in total system Of t...

Страница 46: ...e 18 in x 24 in 457 mm x 609 mm fryer requires one two flow nozzle 18 in x 24 in 457 mm x 609 mm fryer requires one two flow nozzle 30 in x 36 in 762 mm x 914 mm griddle requires one one flow nozzle 2...

Страница 47: ...ection C D 1 ft 0 3 m Add section D E 2 ft 0 6 m Add section E F 0 5 ft 0 2 m Add section F L 3 ft 2 ft 2 ft 7 ft 0 9 m 0 6 m 0 6 m 2 1 m Add section B G 0 5 ft 0 2 m Add section C H 2 ft 2 ft 4 ft 0...

Страница 48: ...fore OK 7 Maximum difference in elevation between the tank outlet and any nozzle or the tank outlet and the highest or lowest horizontal pipe run is 10 ft 3 0 m Example system has 5 5 ft 1 6 m therefo...

Страница 49: ...gases from the burner are exhausted into the duct the detector must be kept out of the air stream of these exhaust gases These gases can be very hot and could actuate the system unnecessarily Duct op...

Страница 50: ...ppliance has no larger cooking surface than 48 in x 48 in 1219 mm x 1219 mm See Figure 3 41 Note If two appliances are located under a duct opening where a detector has been mounted and both appliance...

Страница 51: ...he cylinder and valve assembly is shipped with an anti recoil plug in the valve discharge port CAUTION The anti recoil plug must remain in the valve discharge port until the discharge piping is connec...

Страница 52: ...hall be of the 1 4 in 45 flare type conforming to SAE J513c Compression type fittings are not accept able A single Model MCH3 ECH3 NMCH3 Control Head can actuate 1 Up to four cylinders with a maximum...

Страница 53: ...et fastened to them See Figure 4 4 Figure 4 4 002874PC In order to actuate the agent cylinders from a Model PAC 10 Pneumatic Actuation Cylinder a 3 4 in NPT x 1 4 in NPT bushing must be screwed into t...

Страница 54: ...unting the cylinder and control head the fusible link line can be installed The first step to installing the fusible link line is to install the detector bracket s over all protected appliances and in...

Страница 55: ...able proceeding from the terminal link will be used to connect the series links see Figure 4 8 Series links must be centered in their detector brackets After the last link in the series is connected t...

Страница 56: ...the fusible link ratchet wheel The line must then be crimped and the crimp positioned inside the center of the ratchet wheel NOTICE Crimps must always be used in conjunc tion with two cable lengths L...

Страница 57: ...e working on any electrical wiring make certain main power has been disconnected Failure to disconnect main power could cause personal injury or death if contact is made with energized wires All elect...

Страница 58: ...code After the Solenoid Monitor has been installed the detection actuation circuit can be connected to the appropriate power source and energized To energize the detector actuation circuit depress th...

Страница 59: ...uit feed the stain less steel cable from the releasing device through the conduit and into the pull station box Feed the cable through the bushing and through the hole provided in the pull handle Loop...

Страница 60: ...hanical gas shut off valve This valve is located in the fuel gas supply line to the cooking appliance s The valve body has an arrow which indicates direction of gas flow through the valve The gas shut...

Страница 61: ...s shut off valve For proper wiring of the electrical gas shut off valve see Figure 4 16 Note Valve must be installed so that the solenoid is above the horizontal pipe line with no more than a 5 degree...

Страница 62: ...led in the control head Refer to Instruction Sheet Part No 550081 included with the switch shipping assembly for detailed mounting instructions Wiring connections are shown in Figure 4 25 The switch i...

Страница 63: ...ust not be kinked twisted or have sharp bends when installed or when equipment is pulled away from the wall 7 Make sure that all fittings are tightened properly 8 Adequate means must be provided to li...

Страница 64: ...in 152 203 mm offset center to center Pipe Supplied only with Henny Penny Fryer Nozzle Kit Part no 553389 Pipe Not supplied in Kit Flex Hose Overhead VIEW APPLIANCE W A L L Tether Figure 4 26 007828 R...

Страница 65: ...y Penny Fryer Nozzle Kit Part No 553389 the 5 16 in philips screw supplied in the Henny Penny Fryer Nozzle Kit the 5 16 in eye nut and 5 16 in washer included in the Restraining Cable Assembly Kit mus...

Страница 66: ...sharp bends See Figure 4 31 4 Check the outer hose covering for signs of damage check ing tears or wear If any of these signs are observed replace the hose 5 Return the appliance to its normal operati...

Страница 67: ...SECTION 4 SYSTEM INSTALLATION UL EX3830 ULC EX3830 2014 NOV 10 REV 06 Page 4 17 KITCHEN KNIGHT II Restaurant Fire Suppression Manual Page Intentionally Left Blank...

Страница 68: ...rbon dioxide pilot cartridge Screw the cartridge into the control head actuator until hand tight Never use a wrench to tighten the cartridge into the actuator Remove the pull pin from the hole in the...

Страница 69: ...ly It is important that no more than five threads be showing Note 2 The cartridge and o ring shall be replaced annually CAUTION Do not over tighten cartridge Over tightening can result in premature pu...

Страница 70: ...line before control head can be set Once the fusible link line is set the Model EN MCU3 Enclosure can be placed in the set position To set the Model EN MCU3 the slide plate is moved from right to left...

Страница 71: ...eeded Wiring connections for the Model MS SPDT are shown in Figure 4 24 The contact ratings for both switches are as follows Contact Ratings For Electrical Snap Action Switches 21 amps 1 HP 125 250 27...

Страница 72: ...this checkout ensure that the carbon dioxide pilot cartridge is not installed in the Model EN MCU3 actuator Remove the pull pin from the hole in the slide plate To check satisfactory operation of the...

Страница 73: ...exible conduit make sure to feed wire rope through conduit directly from the spool of wire rope DO NOT pre cut wire rope Feeding pre cut rope through flexible conduit will cause exces sive kinks in th...

Страница 74: ...system This will minimize the amount of components needed to complete the installation Once the path of the flexible conduit has been determined verify that the layout does not exceed the design requ...

Страница 75: ...UT Figure 4 44 008073 7 Tighten the body of the strain relief to the conduit connector See Figure 4 45 Tighten strain relief into conduit connector Figure 4 45 008074 8 Thread the wire rope through th...

Страница 76: ...exible conduit insert is facing out toward end of connector See Figure 4 50 Threads facing away from body of fitting Figure 4 50 007996 3 Tighten the nut to the connector conduit body locking the flex...

Страница 77: ...ighten the strain relief nut onto the strain relief See Figure 4 56 Tighten strain relief NUT Figure 4 56 008002 9 Complete the same procedures on the other end of the conduit fitting as described in...

Страница 78: ...n union to top of conduit riser See Figure 4 61 Figure 4 61 008042 6 Remove union nut and ring Discard ring Do not reinstall nut at this time See Figure 4 62 Figure 4 62 008043 7 Remove strain relief...

Страница 79: ...4 67 Figure 4 67 008048 12 Complete the remainder of the flexible conduit and wire rope installation to the pull station or the gas valve Flexible Conduit Splicing Allowed on Pull Station Installation...

Страница 80: ...51 5 Push flexible conduit into strain relief until it is approximately 1 16 in 1 6 mm from the bottom of the flexible conduit insert then tighten strain relief nut onto strain relief body See Figure...

Страница 81: ...ression union See Figure 4 77 Figure 4 77 008057 11 Push flexible conduit into strain relief until it is approximately 1 16 in 1 6 mm from bottom of the flexible conduit insert then tighten strain rel...

Страница 82: ...SECTION 4 SYSTEM INSTALLATION UL EX3830 ULC EX3830 Page 4 32 REV 06 2014 NOV 10 KITCHEN KNIGHT II Restaurant Fire Suppression Manual NOTES...

Страница 83: ...bows for excessive grease buildup Clean elbows if necessary Replace fusible links They must be replaced semi annually per NFPA 96 Visually inspect thermal detectors Note Refer to Section 4 System Inst...

Страница 84: ...ructions Manual Form No PC2013008 for additional hydrostatic testing information NOTICE Refer to the nameplate on tank for hydrostatic pressure requirements CAUTION Precautions must be taken when hand...

Страница 85: ...clean water for 15 minutes and a physician contacted If any agent contacts the skin it should be flushed with cold water to prevent irritation The agent is electrically conductive Care must be taken t...

Страница 86: ...ting pressure of 225 psi 15 5 bar The pressure regulator in the valve outlet must be removed before pressurizing 11 Reinstall valve and pickup tube Hand tighten to 12 5 ft lb 16 9 Nm maximum torque Pr...

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