Viking VSR-F Gebrauchsanweisung

TECHNICAL DATA

June 15, 2007 Alarm Devices 703a

WATERFLOW

INDICATOR

The Viking Corporation, 210 N Industrial Park Road, Hastings MI 49058

Telephone: 269-945-9501 Technical Services 877-384-5464 Fax: 269-945-4495 Email: [email protected]

Revised page replaces page 703a-b dated September 23, 2005

(Revised Format)

Form No. F_051889

1. DESCRIPTION

The Waterﬂow Indicator is a vane-type waterﬂow switch designed to detect a sustained ﬂow of water exceeding 10 gpm. It is intended

for use on wet-pipe sprinkler systems only. The Model VSR-F has a built-in adjustable pneumatic retard device delays actuation of the

electrical switches to reduce the possibility of false alarms caused by one or more transient ﬂow surges. The Model VS-SP does not

have a retard to prevent false alarm, therefore, it should NOT be used on systems with variable water pressure, except in the case

of elevator recall. The unit includes two single-pole double-throw snap action switches used to operate local alarms, indicate signals

to annunciator panels, trip municipal ﬁre alarm boxes, start ﬁre pumps, or any other function that can be initiated or controlled by the

opening or closing of an electrical switch. The device may be installed on the main riser to give a system waterﬂow signal or on branch

feed mains, cross mains, or branch lines to give a waterﬂow signal by zone or area.

2. LISTINGS AND APPROVALS

Model VSR-F and VS-SP

UL Listed - Guide No. USQT

FM Approved - Waterﬂow Detectors, Vane Type

Model VSR-D 10”

UL Listed - System Extinguishing Attachments - Guide No. USQT

3. TECHNICAL DATA

Specifications:

Manufacturer: Potter Electric Signal Company

Water Working Pressure:

Model VS-SP rated for water working service pressure up to 250 psi (1 730 mm) kPa)

for size 1-1/2” (40 mm)

Model VSR-F rated for water working service pressure up to 450 psi (3 013 kPa) for sizes 2” (50 mm) to 8” (200 mm)

Model VSR-F 10” rated for water working service pressure up to 300 psi (2 076 kPa) for size 10” (250 mm)

Switches:

Model VSR-F

Two single-pole double-throw switches with Form C contacts rated at 15 Amps 125/250 V. AC, 2.0 Amp 0-30 V. DC. Each switch can

be wired for open or closed circuit operation. See Figure 2.

Model VS-SP

Two single-pole double-throw switches with Form C contacts rated at 15 Amps 125/250 V. AC, 2.5 Amp 0-30 V. DC. Each switch can

be wired for open or closed circuit operation. See Figure 2.

Adjustability for Flow Sensitivity:

Pneumatic retard adjustable from 0 to approximately 90 seconds with automatic resetting.

Unit may be installed vertically or horizontally. Vane is corrosion resistant plastic. CAUTION: Vane-type waterﬂow indicators should

be used only in wet-pipe systems and not in dry, deluge, or preaction systems. The paddle and/or mechanism may be damaged by

the sudden surge of water in those systems.

Material Standards:

Body: Cast Aluminum

Base: Cast aluminum.

Enclosure: Die-cast, red enamel ﬁnish

Cover held in place with tamper resistant screws

Ordering Information:

See Table 1

4. INSTALLATION

The waterﬂow indicator must be located on the system side of the system control valve, check valve, and main drain valve. Install a

minimum of 6 inches (147 mm) from any ﬁtting that changes the direction of the waterﬂow and 24 inches (588 mm) from a valve or

drain. The device may be mounted on horizontal or vertical pipe. On horizontal piping, the unit should be mounted in a vertical position

with the cover on top. If necessary, it may be mounted off center, but never exceed an angle greater than 90 degrees from vertical.

Close the water supply control valve and drain the system, relieving all pressure. At the selected location, drill a hole in the pipe using

a circular saw in a slow-speed drill. The 2” (50 mm) and 2-1/2” (65 mm) devices require a 1-1/4” (32 mm) hole. All other sizes require

a 2” (50 mm) hole. De-burr the hole and clean the pipe of all growth ad other material for a distance equal to the pipe diameter on

each side of the hole.

Viking Technical Data may be found on

The Viking Corporation’s Web site at

http://www.vikinggroupinc.com.

The Web site may include a more recent

edition of this Technical Data Page.

OBSOLETE

TECHNICAL DATA

June 15, 2007

Alarm Devices 703b

WATERFLOW

INDICATOR

The Viking Corporation, 210 N Industrial Park Road, Hastings MI 49058

Telephone: 269-945-9501 Technical Services 877-384-5464 Fax: 269-945-4495 Email: [email protected]

Roll the vane in the opposite direction of the waterﬂow, taking care not to bend or crease the vane and insert it into the hole. The

vane must be inserted so the arrow on the saddle points in the direction of the waterﬂow. Install the saddle strap and tighten the nuts

alternately to 50 ft. lbs. (7 m kgf) of torque. To verify the vane does not bind in the pipe, press the trip rod toward the timing head and

then release. It should move and return smoothly.

Place the system back in service and test the waterﬂow indicator using the system inspector’s test valve. If necessary, adjust the

pneumatic retard and/or equipment and perform quarterly inspection.

A. Adjustments

The pneumatic retard is adjustable from 0 to approximately 90 seconds. To increase the time delay, turn the dial to the next higher

letter. Normal setting is between 30 and 45 seconds. In no case should the time be set less than 20 seconds nor more than 90

seconds.

The ﬂow sensitivity is set at approximately 10 gpm. A small coil spring holds the vane in its normal position against the waterﬂow.

The spring can be adjusted to increase or decrease sensitivity, if necessary, but it must not be over-tightened. Too much tension

will decrease the sensitivity of the device. The pneumatic retard must be checked after adjusting the ﬂow sensitivity. All testing and

adjusting of the waterﬂow indicator must be done using the remote inspector’s test valve.

5. OPERATION

The Waterﬂow Indicator detects a ﬂow of water exceeding 10 gpm in the piping when the ﬂexible vane is deﬂected. This motion acti-

vates the ﬁeld-adjustable pneumatic retard device. The pneumatic retard device delays activation of the electrical switches to reduce

the possibility of false alarms caused by a single or series of transient ﬂow surges. The retard device instantly resets during a series

of surges to prevent a cumulative effect. After a sustained ﬂow, the two switches operate to open or close electrical contacts.

6. INSPECTIONS, TESTS AND MAINTENANCE

WARNING: Any system maintenance or testing that involves placing a control valve or detection system out of service may eliminate

the ﬁre protection of that system. Prior to proceeding, notify all authorities having jurisdiction. Consideration should be given to em-

ployment of a ﬁre patrol in the affected area. Ascertain what alarms and equipment are connected to the waterﬂow indicator and take

necessary precautions to protect connected equipment.

A. Inspection:

It is imperative that the system be inspected and tested on a regular basis. The following recommendations are minimum require-

ments. The frequency of the inspections may vary due to contaminated water supplies, corrosive water supplies, or corrosive

atmospheres. In addition, the alarm devices, detection systems, or other connected trim may require a more frequent schedule.

Refer to applicable codes and the authorities having jurisdiction for minimum requirements.

Monthly: Take necessary precautions and notify all connected alarm services, local fire department, security guards, or other

affected personnel that the waterflow indicator is being tested to prevent a false alarm from being transmitted.

With the system in service, fully open the inspector’s test valve and record the time required to activate the alarm.

Close the inspector’s test valve. The waterflow indicator will automatically reset. All alarms and connected equipment should

have operated as required by the system design. Compare the recorded operating time to previous readings. Investigate and

correct any major changes in operating times.

Reset all connected alarms and equipment. Notify all affected personnel that the testing is complete and any further alarms

must be responded to.

B. Repairs

Any waterﬂow indicator requiring repairs due to damaged components should be replaced with a new unit. Refer to installation

instructions for adjustments.

7. AVAILABILITY & SERVICE

Viking Waterﬂow Indicators are available through a network of domestic and international distributors. See the Viking web site or

contact The Viking Corporation for closet distributor.

8. GUARANTEES

For details of warranty, refer to Viking’s current list price schedule or contact Viking directly.

OBSOLETE

TECHNICAL DATA

June 15, 2007 Alarm Devices 703c

WATERFLOW

INDICATOR

The Viking Corporation, 210 N Industrial Park Road, Hastings MI 49058

Telephone: 269-945-9501 Technical Services 877-384-5464 Fax: 269-945-4495 Email: [email protected]

Figure 1

Nominal Pipe

Size Hole Size Friction

Loss

Dimensions Part

Number Model

ABCDEF

Inches Inches PSI

1-1/2"

(38 mm)

See Note 1

below 3See Note 2

below

2-1/2"

(63,5 mm)

See Note 3

below

2-1/2"

(63,5 mm)

(76,2 mm)

4-1/2"

(114,3 mm) 10030 VS-SP

(50 mm)

1-1/4"

(32 mm) 37"

(177,8 mm)

5-1/4"

(133,4 mm)

2-3/8"

(60,3 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(114,3 mm) 07344 VSR-F

2-1/2"

(63,5 mm)

1-1/4"

(32 mm) 37-1/2"

(190,5 mm)

5-3/8"

(136,5 mm)

2-7/8"

(73,0 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(114,3 mm) 07345 VSR-F

(80 mm)

(50 mm) 38"

(203,2 mm)

5-3/4"

(146,1 mm)

3-1/2"

(88,9 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(114,3 mm) 07346 VSR-F

3-1/2"

(88,9 mm)

(50 mm) 38-1/2"

(215,9 mm)

6-1/4"

(158,8 mm)

(101,6 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(114,3 mm) 07347 VSR-F

(101,6 mm)

(50 mm) 38-3/4"

(222,3 mm)

6-3/4"

(171,5 mm)

4-1/2"

(114,3 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(114,3 mm) 07348 VSR-F

(127 mm)

(50 mm) 110"

(254 mm)

7-3/4"

(196,9 mm)

5-9/16"

(141,3 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(114,3 mm) 07349 VSR-F

(150 mm)

(50 mm) 111"

(279,4 mm)

8-3/4"

(222,3 mm)

6-5/8"

(168,3 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(114,3 mm) 07350 VSR-F

(200 mm)

(50 mm) 113"

(330,2 mm)

10-3/4"

(273,1 mm)

8-5/8"

(219,1 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(14,3 mm) 07351 VSR-F

10"

(254 mm)

(50 mm) 114-1/2"

(368,3 mm)

12-3/4"

(323,8 mm)

10-3/4"

(273,0 mm)

3-1/2"

(88,9 mm)

2-1/2"

(63,5 mm)

4-1/2"

(114,3 mm) 06068B VSR-D 10"

Notes:

11-1/2" is installed in a tee in the piping rather than a hole in the piping. The waterﬂow indicator has a 1" male NPT ﬁtting that

screws into a 1" tee. See Figure 3.

2A dimension is 5-1/2" plus paddle size chosen (1" or 2")

3 There are 10 paddles furnished with each unit. One for each size of threaded, sweat or plastic TEE as described in Figure 4.

These paddles have raised lettering that shows the pipe size and type of TEE that they are to be used with. The proper paddle

must be used. The paddle must be properly attached (see Figure 3) and the screw that holds the paddle must be securely tightened.

Table 1

OBSOLETE

TECHNICAL DATA

June 15, 2007

Alarm Devices 703d

WATERFLOW

INDICATOR

The Viking Corporation, 210 N Industrial Park Road, Hastings MI 49058

Telephone: 269-945-9501 Technical Services 877-384-5464 Fax: 269-945-4495 Email: [email protected]

Waterflow Indicator with Two-Single Pole, Double Throw Micro Switches

Figure 2

Figure 3

TECHNICAL DATA WATERFLOW

INDICATOR

The Viking Corporation, 210 N Industrial Park Road, Hastings MI 49058

Telephone: 269-945-9501 Technical Services 877-384-5464 Fax: 269-945-4495 Email: [email protected]

Figure 4

Form No. F_051889 Revised page replaces page 703a-b dated September 23, 2005

(Revised Format)

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