Kidde Fire Systems KRS-100 Installationsanleitung

KRS-100

Nitrogen

Releasing

System

Application,

Operation and

Maintenance Manual

P/N 83-KRS100-001

September 2002

APPROVED

UL Listing File No.

EX 3559, EX 2153

83-KRS100-001September 2002

KRS-100 Nitrogen Releasing System

Table of Contents

1-1 Scope ........................................................................................................................................ 1

2-1 General Description ................................................................................................................... 1

3-1 Installation ................................................................................................................................. 2

3-1.1 Location ..................................................................................................................................... 2

3-1.1 POA & SVA Mounting ................................................................................................................ 3

3-1.1.1 POA Mounting ........................................................................................................................... 3

3-1.1.2 SVA Mounting ............................................................................................................................ 3

3-1.2 Actuator Valve Asse bly Mounting ...........................................................................................3

3-1.3 Tubing ........................................................................................................................................ 3

3-1.3.1 Tubing and Fittings .................................................................................................................... 3

3-1.4 Control Head Mounting (To Actuator Valve Asse bly) .............................................................. 4

4-1 Syste Check-Out .................................................................................................................... 4

4-1.1 For Control Head Operation ...................................................................................................... 4

5-1 Readying the Syste ................................................................................................................. 4

6-1 Inspection And Maintenance ..................................................................................................... 5

6-1.1 KRS-100 Asse bly Condition.................................................................................................... 5

6-1.2 Nitrogen Cylinder Pressurization ............................................................................................... 5

6-1.3 Detection and Actuation ............................................................................................................. 5

List of Figures

1 KRS-100 Syste Detail w/POA 87-100012-001 ........................................................................ 2

2 KRS-100 Syste Detail w/SVA 87-120042-001 ........................................................................ 2

3 Spacer Detail ............................................................................................................................. 3

List of Tables

1 Tubing Li itations ..................................................................................................................... 3

September 200283-KRS100-001

KRS-100 Nitrogen Releasing System

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83-KRS100-001September 2002 1

KRS-100 Nitrogen Releasing System

KRS-100 NITROGEN RELEASING SYSTE

Application, Operation, and Maintenance

of KRS-100 Pne matic Releasing Device

1-1 SCOPE

This anual is to be used in conjunction with the UL Listed

and Factory Mutual Approved Kidde Industrial Dry Che i-

cal Instruction Manual (P/N 220423) dated Nove ber 1998,

and the Kidde Wet Che ical Instruction Manual (P/N 87-

122000-001) dated February 1997. All other syste li ita-

tions (control head, detection, anual pull, gas valve, etc.)

ust be in accordance with the respective instruction anu-

als.

2-1 GENERAL DESCRIPTION

The KRS-100 releasing device consists of a nitrogen cylin-

der (P/N 83-100004-001) and actuator valve asse bly (P/

N 83-100010-001). The nitrogen cylinder is pressurized to

1800 psig (70°F).

The function of the KRS-100 releasing device is to provide

a pressure-operated eans for releasing Kidde pre-engi-

neered wet che ical and dry che ical fire-suppression sys-

te s. The KRS-100 utilizes the Kidde pre-engineered

echanical, pneu atic rate of rise, electric, and tande

control heads, any of which can be ounted on the KRS-

100 actuator valve asse bly.The release is acco plished

using KRS-100 cylinder pressure discharged through cop-

per tubing into pressure-operated actuators (P/N 87-

100012-001 or 87-120042-001) located on Kidde

pre-engineered wet or dry che ical syste cylinders. (See

Figure 1 and Figure 2.)

Note: Pressure Operated Actuators (POA) P/N 87-

100012-001 and Syste Valve Actuators (SVA) P/

N 87-120042-001 cannot be ixed on any syste .

Use only one type on a syste .

When pressure fro the KRS-100 cylinder is applied, the

piston in the pressure-operated actuator pushes on the

che ical cylinder valve ste .

The piston re ains in place (extended) until the pressure

in the copper tubing is bled off and the pressure in each

pressure-operated actuator is released. Pushing down on

the valve core of the pressure-operated actuator releases

this pressure.

Note: Pressure in the pressure-operated actuator ust

be released before re oving the actuator fro the

agent storage cylinder. (See Figure 1.)

In addition to the pressure-operated actuator, the KRS-100

can also be used to operate pressure-operated switches

(P/Ns 486536 and 486536-010).

A ini u of two and axi u of ten agent storage cyl-

inders can be operated fro one KRS-100. Up to 3 pres-

sure-operated switches can be installed on the KRS-100

actuation line.

Multiple KRS-100 releasing units ay be used when the

nu ber of agent storage cylinders exceeds the axi u

capacity of one KRS-100 releasing unit. The KRS-100 sys-

te is fully odular and is expandable to fit any size appli-

cation.

Two or ore KRS-100 cylinders ay be used when utiliz-

ing two or ore different types of detection to cover the

sa e hazard. An exa ple would be the use of a co -

bination of pneu atic rate-of-rise and fixed-te perature

electric detection in a hazard. In this exa ple a pneu atic

rate of rise control head would be used on one KRS cylin-

der and an electric control head on the other. Operation of

either detection syste would release the extinguishing

syste by eans of the KRS-100 releasing device to which

it is connected. Refer to proper Kidde Instruction Manual

listed in the scope of this addendu (Paragraph 1) for pneu-

atic detection, pneu atic control head, electric detection

and electric control-head installation details. If using a Kidde

control panel refer to the Installation Manual for the control

panel for detection and control installation details.

There are nu erous applications where the use of the KRS-

100 si plifies the overall installation of an extinguishing

syste . It is often ore convenient and econo ical to in-

stall the extinguishing syste cylinders so that each is in

close proxi ity to the space it protects rather than having

all cylinders ounted together in a bank. Piping is thus kept

to a ini u . Such an arrange ent is conveniently i ple-

ented by the KRS-100.

Other applications include those where the hazard area is

unsuitable for standard control heads. Here we can use

the KRS-100 cylinder installed outside the unsuitable area

with the actuation tubing run to the extinguishing syste

cylinders located within the area.

The KRS-100 is ideally suited to a hazard consisting of

kitchen range hoods on two or ore floors, connected to a

co on exhaust duct. For this type of hazard each kitchen

hood would be protected with an independent wet or dry

che ical syste . The detection for each hood, however,

would be connected to a KRS-100 cylinder on its floor rather

than to the wet or dry che ical syste .

The KRS-100s on the various floors would be connected

to each other and to each wet or dry che ical syste . A

fire at any hood would thus release all of the syste s. In

this way the entire hazard consisting of all the hoods and

the co on duct would be protected as required without

the necessity of a co plicated co on detection syste ,

September 200283-KRS100-001 2

KRS-100 Nitrogen Releasing System

and without having to use a single extinguishing syste

which could be difficult to install within its piping li itations.

Whenever two or ore KRS cylinders are used, each ust

be isolated fro the others by a check valve (P/N 259404).

The purpose of the check valves is to prevent loss of pres-

sure during discharge on one cylinder in the event that one

of the cylinders is disconnected.

2069

PSI 0

kPa 0

SSTELEMENT

06-118031-001

1207

RECHARGE

175

OVERCHARGED

300

06-118031-001

kPa 0

PSI 0

OVERCHARGED

SSTELEMENT

2069

300

1207

175

RECHARGE

MOUNTING KIT

APPROX. 2 1/2 INCHES IN DIA.

WET OR DRY CHEMICAL

SYSTEM CYLINDER

KRS-100 ACTUATOR

VALVE ASSEMBLY

P/N 83-100010-001

KRS-100 (NITROGEN)

P/N 83-100004-001

PRESSURE OPERATED

ACTUATOR

P/N 87-100012-001

VALVE CORE

VENT CHECK

P/N WK-877810-000

(OPTIONAL)

P/N 06-129706-001

100 FT. MAX.- 1/4 INCH COPPER TUBING

(3) THREE PRESSURE SWITCHES AND

(10) TEN CYLINDERS

50 FT. MAX.

1/4 INCH COPPER TUBING

OUTLET

CYLINDER

Figure 1. KRS-100 Syste Detail w/POA 87-100012-001

WET OR DRY CHEMICAL

SYSTEM CYLINDER

SYSTEM VALVE

ACTUATOR

P/N 87-120042-001

APPROX. 2 1/2 INCHES IN DIA.

VENT CHECK

P/N WK-877810-000

(OPTIONAL) OR

ADDITIONAL CYLS.

MOUNTING KIT

KRS-100 ACTUATOR

VALVE ASSEMBLY

KRS-100 (NITROGEN)

P/N 83-100004-001

P/N 06-129706-001

CYLINDER

OUTLET

P/N 83-100010-001

100 FT. MAX.- 1/4 INCH COPPER TUBING

(3) THREE PRESSURE SWITCHES AND

(10) TEN CYLINDERS

50 FT. MAX.

1/4 INCH COPPER TUBING

Figure 2. KRS-100 Syste Detail w/SVA 87-120042-001

3-1 INSTALLATION

3-1.1 Locatio

The KRS-100 cylinder and actuator valve asse bly shall

be located where the te perature is between -40°F (-40°C)

and 120°F (48.9°C). The entire asse bly, cylinder, actua-

tor, and control head ust be protected fro rain, snow, or

other incle ent weather conditions by a suitable total or

partial enclosure. They all ust be ounted in such a way

that no part of the asse bly stands in water or other liquid.

83-KRS100-001September 2002 3

KRS-100 Nitrogen Releasing System

The KRS-100 releasing device ay be ounted either verti-

cally (plu b) with the control head or actuator at the top, or

horizontally (level), or at any angle between vertical and

horizontal.

3-1.1 POA & SVA Mou ti g

Prior to ounting the actuator (POA P/N 87-100012-001 or

SVA 87-120042-001) to the wet or dry che ical cylinder

valve, ake certain the actuator piston is flush with the

botto of the actuator body. If the piston is not flush, per-

for the following procedure.

3-1.1.1 POA MOUNTING

Place the unit on a flat surface and depress the valve core

while pushing down on the asse bly. This will push the

piston into the body of the actuator.

3-1.1.2 SVA MOUNTING

Push the spring loaded plunger in and push in the piston.

3-1.2 Actuator Valve Assembly Mou ti g

The actuator valve asse bly (P/N 83-100010-001) can be

ounted using the bolt holes located on the side flange of

the actuator valve body. The total asse bly should be se-

cured to a surface which will support at least three ti es

the total asse bly dead weight. Use both ounting holes

to secure the asse bly.

For applications where space is tight and clearance is needed

between the control head and the wall, use a spacer (P/N 83-

100011-001) to provide the clearance. See Figure 3.

3-1.3 Tubi g

Connect actuation tubing to the outlet on the KRS-100 ac-

tuator valve body. Rea and thoroughly clean all chips and

cutting oil fro the inside of tubing prior to connection. All

tubing is to be securely supported, no ore than ten feet

on centers. (See Table 1 for tubing li itations.)

Table 1. Tubing Li itations

.xaM.niM

metsySlatoT .tf051.tf5

lortnoCneewteB

tsriFdnadaeH

rednilyC

.tf05.tf3

tsriFneewteB

rednilyCtsaLdna .tf001.tf2

3-1.3.1 TUBING AND FITTINGS

The KRS-100 syste uses 1/4-inch O.D. copper tubing

(0.030-inch ini u wall) with flared or high-co pression

tubing fittings. Tubing is also known as soft copper refrig-

eration/AC tubing. Flared fittings are SAE 45° flared brass

tube. Co pression fittings are high-pressure brass tube.

The copper tubing should be cut squarely with a tubing cutter

and carefully rea ed to re ove all burrs before flaring with

a standard flaring tool or applying co pression fittings. The

tubing need not be enclosed in conduit except where it would

otherwise be exposed within seven feet of the floor, or where

it is subject to cutting or crushing. There is no li it on bends,

SERVICING THE SYSTEM

INSTALLING, INSPECTING OR

REMOVE SAFETY PIN AFTER

CAUTION

SAFETY PIN

2.50

0.312-18 UNC

0.875

2.25

0.625

3.50

5.25

0.406 DIA. HOLE

0.375 CLEAR HOLE

1.375

#7 GA.

2.50

SPACER

P/N 83-100011-001

MOUNTING

FLANGE

Figure 3. Spacer Detail

September 200283-KRS100-001 4

KRS-100 Nitrogen Releasing System

but bends ust be ade so that the tubing will not flatten

or kink. A single coil of tubing approxi ately 2-1/2 inches in

dia eter is desirable at each flare or co pression fitting.

The coil ay be neatly ade by wrapping the tubing around

any convenient cylindrical object of that dia eter.

When sliding the tubing through conduit the leading end of

the tube should first be cri ped and bent double so as to

provide a s ooth sliding surface and to prevent possible

foreign atter in the conduit fro entering the tubing. All

tubing fittings with pipe threads, as at the KRS-100 actua-

tor valve body, the pressure-operated actuator and other

accessory devices, shall be asse bled with Teflon tape

wrapped around the ale pipe threads.

All tubing should be blown out with air or nitrogen prior to

aking final connections. Table 1 su arizes the length

of tubing allowed per each KRS-100 cylinder.

3-1.4 Co trol Head Mou ti g

(To Actuator Valve Assembly)

Note: The syste control head ust be ounted to the

KRS-100 actuator valve body using the ounting kit

(P/N 06-129706-001) supplied with the Actuator Valve

Asse bly (P/N 83-100010-001).

This kit contains a rubber gasket that ust be placed be-

tween the ating surfaces of the actuator body and the

control head housing. This kit also contains Teflon coated

bolts and nylon washers for fastening the actuator valve

asse bly to the control head housing.

Prior to ounting a control head on the KRS-100 actuator

valve asse bly ake certain of the following:

1. The control head is in the SET position. On echani-

cal installations the anual release lever should be

pushed up and the tensioning tool inserted in safety

hole in the housing. On electrical installations ake

certain the solenoid trigger holds the actuating lever.

The actuating ca arrow should be pointed away fro

the ratchet spool, (toward the SET position on face-

plate), and the release plunger should be flush or slightly

retracted within the control head body.

2. Ensure the safety pin is in place on the actuator valve

asse bly. See Figure 2.

3. Do not install the nitrogen cartridge at this ti e.

Note: Control Heads are shipped in the SET position with

cover off for ease of installation. There are

tensioning tools shipped with the echanical and

tande control heads to enable proper tension

setting on the cable. A tensioning tool ay be used

with the pneu atic control heads. There is no

tensioning tool per itted with the electrical control

heads. The plunger of the electric solenoid holds

the control head echanis in proper position for

the SET position.

4-1 SYSTEM CHECK-OUT

To de onstrate proper operation of the actuating syste

the following check-out is to be acco plished prior to i -

stalli g the itroge cyli der (P/N 83-100004-001).

4-1.1 For Co trol Head Operatio

1. Re ove the tensioning tool (when used) fro the safety

hole in the control head. If the syste is properly in-

stalled, the head should re ain in the SET position,

fully prepared for either auto atic or anual opera-

tion.

2. Re ove safety pin fro actuator valve asse bly.

3. All cables, with the exception of re ote pull cables,

should be in a taut condition if properly installed.

4. For fusible link check-out, cut the S hook farthest fro

the control head (ter inal link). The released tension

should per it the control head to operate, triggering

the releasing echanis .

5. Check to see that the actuating ca is in the operated

position and that the actuating ca (shaft arrow) has

rotated to the released position. All cables should be

slack, including re ote cable.

6. To check out electrical control heads, do the following:

Ensure that the actuating ca (shaft arrow) is turned

to the SET position. Energize the control head by ap-

plying heat directly to the ther ostats or operating the

panel.

7. Check that the control head triggering echanis has

released. Check that the actuating ca arrow has ro-

tated to the release position.

8. Check to see that the gas valve and/or electric shut-off

have operated. Slack in the cable is an indication, but

only the shut-off of gas and/or shut-off of electric cur-

rent to the hazard de onstrates that these units have

properly functioned.

9. Inspect all other aspects of syste operation, such as

da pers and door holders to see that the syste has

been installed properly.

10. After resetting the syste as outlined below, repeat

check-out by operating local and re ote anual con-

trols to assure their operation.

5-1 READYING THE SYSTEM

If all conditions have proven to be operational, place sys-

te in operation as follows:

1. If the fusible link syste is used, install a new S hook

in the detection line. If the electric syste is used, re-

place ents should not be required.

2. Reset the control head.

3. Re ove the control head tensioning tool when done,

and discard. Electric control heads do ot use

tensioning tools.

83-KRS100-001September 2002 5

KRS-100 Nitrogen Releasing System

4. Install control head cover aking sure notch in anual

lever goes over anual release lever asse bly. Se-

cure with five screws supplied.

5. Ensure that safety pin is in place on the actuator valve

asse bly. If the pin cannot be placed in the actuator,

verify that control head is SET. See Figure 2.

6. Re ove and discard tensioning tools in gas valve and/

or electric shut-off and secure covers to units.

7. Turn on electric power and open ain gas line shut-off

valve. Ensure that pilot lights are lit.

8. Reset any electrical shutdown equip ent operated by

the switch contacts.

9. Reset any da pers or other auxiliary equip ent.

10. Install nitrogen cartridge by co pletely threading the

cartridge into the actuator asse bly.

11. Re ove the pin fro the actuator valve asse bly and

discard.

The KRS-100 syste is now in the ready position.

6-1 INSPECTION AND MAINTENANCE

Inspect se i-annually or ore frequently. Inspections

should be done by a qualified Kidde distributor.

Particular attention should be given to:

 KRS-100 Assembly Co ditio .

 Nitroge Cyli der Pressurizatio : Ensure that it is

at proper weight.

Note: Nitrogen cylinder full weight includes the shipping

cap, ensure that it is installed prior to weighing.

 Detectio a d Actuatio System.

 Actuatio Tubi g.

 Auxiliary Equipme t.

6-1.1 KRS-100 Assembly Co ditio

The actuator valve asse bly ust be inspected internally

for nicks, dents, and scratches which would cause pos-

sible failure. Check to see that no part of the nitrogen cylin-

der is da aged or corroded.

6-1.2 Nitroge Cyli der Pressurizatio

Re ove the nitrogen cylinder and install shipping cap.

Weigh cylinder. Full cylinder weight is arked on the label.

If cylinder weight loss exceeds 3.5 gra s, the cylinder (P/

N 83-100004-001) ust be replaced.

When replacing a cylinder, the gasket located in the actua-

tor (P/N WF-263413-000) ust also be replaced.

6-1.3 Detectio a d Actuatio

The detectors should be checked (and cleaned if neces-

sary) to assure that they are free of foreign substances. If

the detection syste is supervised, the supervisory fea-

tures should be checked to deter ine that the detection

syste is in satisfactory condition. The ethods and pro-

cedures for this inspection should be in accordance with

anufacturers reco endations.

September 200283-KRS100-001 6

KRS-100 Nitrogen Releasing System

(THIS PAGE INTENTIONALLY LEFT BLANK)

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