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Viking ESFR Manual

"pre-primed single interlocked preaction" cold storage system
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ESFR "PRE-PRIMED
SINGLE INTERLOCKED
PREACTION" COLD
STORAGE SYSTEM
MANUAL
The Viking Corporation
210 N Industrial Park Road
Hastings MI 49058
Telephone: 269-945-9501
Technical Services: 877-384-5464
Fax: 269-945-9599
F_120805
December 6, 2005
1

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  • Page 1 ESFR "PRE-PRIMED SINGLE INTERLOCKED PREACTION" COLD STORAGE SYSTEM MANUAL The Viking Corporation 210 N Industrial Park Road Hastings MI 49058 Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-945-9599 F_120805 December 6, 2005...

  • Page 2: Table Of Contents

    Table of Contents System Description ....................7 ESFR Sprinkler Description .................. 9 Storage Arrangements ................. 9 Commodity Classification ................9 Maximum Storage/Ceiling Heights ............... 9 System Design ...................... 9 Hydraulic Calculations.................. 9 Hydraulic Calculation Procedure ..............11 Pre-Primed Single Interlocked Preaction System for Cold Storage ....11 System Installation Considerations ..............
  • Page 3 Pressure Switch Set-up................28 CS-1 Antifreeze Pump System ................29 Description ....................29 Operating Principle..................30 CS-1 Control Scheme ................32 7.3.1 General................... 32 7.3.2 Operation..................32 7.3.3 Solenoid Valve Operation............... 32 7.3.4 Level Switch Relay Coil Operation ..........33 7.3.5 Electrical Schematic ...............
  • Page 4 13.2 Typical Properties..................45 13.3 Features ..................... 46 14.0 Heat Trace System & Insulation................46 14.1 Insulation of Riser Main................46 14.2 Insulation of Isolation Check Valve ............. 46 14.3 Heat Trace System ..................46 15.0 System Fill Procedure ..................47 15.1 Filling the Reservoir Tank................
  • Page 5 Figure 1: Straight Through Configuration...
  • Page 6 Figure 2: Angle Style Configuration...

  • Page 7: System Description

    The detection system shall be capable of operation prior to or equal to an ESFR Sprinkler having an RTI (Response Time Index) of 50 or less. No linear detection shall be allowed. This limits the system to low temp spot heat, beam smoke or air sample type smoke system or equal.
  • Page 8 UL Listing requirements described in Viking technical data for ESFR K25.2 Sprinkler VK510 for use with 35% or 50% propylene glycol and water solution, and the standards of NFPA 13 or other organizations, and also with the provisions of governmental codes, ordinances, and standards where applicable.

  • Page 9: Esfr Sprinkler Description

    ESFR SPRINKLER DESCRIPTION Viking ESFR Pendent K 25.2 Sprinkler VK510 is UL Listed for use with a maximum 50% by volume factory premix propylene glycol and water antifreeze solution. This listing is based on full-scale fire testing at Underwriter’s Laboratories. The following limitations of...

  • Page 11: Hydraulic Calculation Procedure

    Hydraulic Calculation Procedure: 1. A calculation with a design of twelve ESFR K25.2 VK510 Sprinklers and water, using four sprinklers on three most remote lines, discharging at the minimum design pressure for the hazard, with piping friction loss determined by Hazen- Williams method of determining friction loss in piping.

  • Page 12: System Installation Considerations

    Detection is required for this system. The detection system shall be capable of operation prior to or equal to an ESFR Sprinkler having an RTI (Response Time Index) of 50 or less. No linear detection shall be allowed. This limits the system to low temp spot heat, beam smoke or air sample type smoke system or equal.
  • Page 13 Where the minimum temperature in the area being protected is 8 °F (-13.3 °C) or above, 35% percent by volume of propylene glycol factory premixed with water must be used. Viking requires Firefighter Eliminator C premix 35% propylene glycol/water mixture with a freeze temperature rating (freeze point)

  • Page 14: Piping System To Sprinklers

    • Detection System shall be capable of operation prior to or equal to an ESFR Sprinkler having an RTI (Response Time Index) of 50 or less. No linear detection shall be allowed. This limits the system to low temp spot heat, beam smoke or air sample type smoke system or equal.

  • Page 15: General Piping And Material Recommendation

    CS-1 pump system. Also, the manual vent valves may be used for multiple sample points of the system for quality testing of the antifreeze solution. The Viking Model AV-1 Automatic Air/Vent Valve is recommended for this use. It automatically vents air during fill and breaks the vacuum for faster drainage of the system when performing maintenance or draining the system after operation.

  • Page 16: Primary Check Valve Main Drain

    Vent valves shall be minimum ½” ball valves with ½” plug. Vent valves can double as solution test points as well; the Viking Model AV-1 Air/Vent Valve is recommended, as it includes strainer and test connection for automatic venting during fill and drain of the system.

  • Page 17: Reclaim Tank

    Propylene glycol/water solutions are designed to be installed on systems supplied by potable water supplies. Local authorities should be consulted prior to draining system to storm sewers or to natural drainage areas. In the main drain line between the valve and Easy Riser Check Valves inlet, a tee is provided on the check valve trim with a 1”...

  • Page 18: Solution Test Valves

    If the propylene glycol/water solution becomes diluted or does not pass the refractometer test, the entire system is to be drained. All sections of trapped piping are to be drained. Five percent (5%) of the pendent ESFR sprinklers are to be removed and inspected for frozen solution.

  • Page 19: Re-Charging System Piping

    PSI (345 kPa)] and is designed to maintain system pressure once the system is initially filled. Also, repeat air bleed from the system as described above. If using the Viking Model AV-1 Air/Vent Valve assembly, the air will automatically be vented during the fill cycle.

  • Page 20: Pump

    For freezers or coolers that fluctuate in temperature, an automatic pressure control system is required that utilizes a special DIGITAL pressure switch and solenoid valve that allows antifreeze to be relieved back into the CS-1 or reclaim tank. Calculation of volume fluctuation of the largest system where multiple systems are installed must be made in order...
  • Page 21 The purpose the antifreeze pressure pump is to lock in a supervisory pressure in the system and eliminate air for proper performance of the system. The CS-1 pump utilized on the ESFR Cold Storage System provides a static pressure on the propylene glycol/water solution in the...

  • Page 22: Propylene Glycol And Water Solution Premix

    Firefighter Eliminator C 35% premix solution or Firefighter Eliminator F 50% premix solution (refer to data pages 49 a-b and 50 a-b) are required by Viking, as they are mixed in the proper proportion and were utilized for the research fire tests. Firefighter Eliminator C and Firefighter Eliminator F include corrosion inhibitors and de-ionized water to prevent the minerals in site water from reacting with the corrosion inhibitors.

  • Page 23: Alarm Test Connection

    The system must include a supervised system control valve upstream of the deluge valve and a supervised system isolation valve downstream of the isolation check valve. The downstream system isolation valve is required to facilitate maintenance of the system and isolation of antifreeze solution during maintenance and testing.

  • Page 24: Service Procedures

    This is due to possible collection of water at each sprinkler and creation of a small ice plug in each sprinkler. If using the Viking Model AV-1 Air/vent Valve assembly the device also breaks a vacuum in the piping system and provides faster and more...

  • Page 25: Taking The System Out Of Service

    1 Vent Valve. Ensure all trapped air is eliminated from the system. After system pressure is attained, the water supply control valve up stream of the deluge valve can be opened. AUTOMATIC PRESSURE CONTROL SYSTEM Description The Viking ESFR Cold Storage System is fixed fire protection refrigerated cold warehouse storage.

  • Page 26: Application

    The APCS will NOT operate when the deluge valve has operated. NOTE: The Viking ESFR Cold Storage System shall be designed by qualified fire protection technicians, in conjunction with requirements of the Authorities Having Jurisdiction. These systems are designed to meet the UL Listing requirements described in Viking technical data for ESFR K25.2 Sprinkler VK510 for use with...

  • Page 27: System Control Switch

    115 volt, 50 or 60 hz, with 15-20 amp GFI protected circuit. The solenoid valve is wired directly through the system pressure switch and system alarm pressure switch as described below. The Viking supplied solenoid valve is a low wattage (2.0W) 1/4” valve. A strainer is also furnished to protect the small orifice of the solenoid valve.

  • Page 28: Wiring Diagram

    Wiring Diagram Pressure Switch Set-Up for Automatic Pressure Control System: Connect to power supply. Turn on power supply. The pressure switch needs to be set-up without any pressure against it. The pressure switch should have a digital reading displaying 0.0. Depress the Mode/Enter button several times.

  • Page 29: Antifreeze Pump System

    CONNECTION(S) PUMP Description The Viking CS-1 Tank and Pump Package is an integrated storage tank and pumping system designed for use with the Viking ESFR Cold Storage System. This is a Pre-Primed Single Interlocked Preaction System providing fixed fire protection for refrigerated or cold warehouse storage and is also appropriate for unheated storage applications in areas subject to freezing, to a minimum temperature of -21 °F (-29.4 °C).

  • Page 30: Operating Principle

    NOTE: The Viking ESFR Cold Storage System shall be designed by qualified fire protection technicians, in conjunction with requirements of the Authorities Having Jurisdiction. These systems are designed to meet the UL Listing requirements described in Viking technical data for ESFR K25.2 Sprinkler VK510 for use with...
  • Page 31 includes a low-pressure alarm switch that indicates a loss of supervisory pressure and requires a manual shutoff of the antifreeze supply valve. Up to six individual risers are connected to the CS-1 Tank and Pump System through normally closed solenoid valves. The supervisory pressure switch and flow alarm switch for each system are connected on site to the CS-1 system control.

  • Page 32: Control Scheme

    CS-1 Control Scheme 7.3.1 General The CS-1 Tank and Pump System maintains pressure for up to six risers with individual control to each riser. A two-way normally closed solenoid valve is connected to each riser. The pressure maintenance switch on each riser controls the corresponding solenoid valve.

  • Page 33: Level Switch Relay Coil Operation

    In Automatic mode, each system solenoid valve opens if its system pressure drops to a low-pressure condition and there is no alarm pressure signal. In Manual mode, each system valve is selected by means of two selector switches and the solenoid valve opens as long as system pressure is below the set-point value and there is no system alarm.

  • Page 34: Electrical Schematic

    Output 9: LEVEL SWITCH RELAY COIL Output 9 on when: Input 4 7.3.5 Electrical Schematic Refer to the appropriate Wiring Diagram included with the Model CS-1 ESFR Cold Storage Pump and Tank Package as follows: 60 Hz (U.S) Drawing Number 13050-1 for Single Riser with 65 Gal Tank...

  • Page 36: Installation

    Installation 7.4.1 Receiving And Inspection When the equipment is received, immediately inspect it for shortages and visible and concealed damage. If the equipment has been damaged in shipment or shortages are noticed, immediately notify the carrier and file a claim. 7.4.2 Handling Move the CS-1 on the shipping pallet as close to the final location as...

  • Page 37: Electrical Connections

    Size piping between the CS-1 and the system to minimize pressure drop. Too small of a line size restricts pump flow, lowering capacity when filling the system. Lower capacity while filling the system requires longer fill times. The sprinkler system must contain air vent/bleed valves at all local high points.

  • Page 38: Start-Up

    An arrow on the pump indicates the correct direction of rotation. If the pump rotates in the opposite direction, reverse the rotation of the motor. Interchanging any two incoming 3-phase supply wires reverses rotation of three phase motors. WARNING: Operating the pump in the wrong direction may damage the pump. Verify pump rotation is correct before placing the unit in service.

  • Page 39: Wiring Diagram

    Display mode: (Indication of parameters and the set parameter values) When the “Mode/Enter” button is pressed for a short time, the unit passes to the Display mode. Internally it remains in the operating mode. • The parameter names are scrolled with each pressing of the “Mode/Enter”...
  • Page 40 3. Depress the Mode/Enter button several times. The first variable to be defined is EF. 4. Depress the Set button. The value that will appear is HI. 5. Depress the Mode/Enter button several times until the value that appears is dS1.

  • Page 41: Alarm Switch

    Explosion-Proof/Watertight Alarm Pressure Switch intended for use in those environments. 1. Refer to the current Viking Trim Chart for the valve used to determine the appropriate location for installing the Viking Alarm Pressure Switch on Viking Trim.

  • Page 42: Anvil Couplings, Seals & Lube

    The relief valve should be installed where it is easily accessible for maintenance. Care should be taken that the relief valve CANNOT be isolated from the system when the system is operational. A relief valve should never have a shutoff valve or a plug downstream of its outlet.
  • Page 43 base, it can be used with EPDM, Nitrile and Fluoroelastomer gasket materials. It is not to be used with silicone gaskets. • In low temperature applications the gasket will shrink, thereby lowering the sealing force on the gasket sealing lips. The temperature change will also force the gasket to slightly re-position itself.

  • Page 44: Antifreeze Solution 50

    Description Viking Firefighter Eliminator F is a certified premixed 50% propylene glycol/water antifreeze solution required for use with the Viking ESFR Cold Storage System. The system provides fixed fire protection for refrigerated or cold warehouse storage and is also appropriate for unheated storage applications in areas subject to freezing, to a minimum temperature of -21 °F (-29.4 °C).

  • Page 45: Features

    Viking ESFR Cold Storage System, in areas subject to freezing, to a minimum temperature of -21 °F (-29.4 °C). • Was utilized in the full-scale research fire tests for the Viking ESFR Cold Storage System. • Includes corrosion inhibitors to provide corrosion control and microbiological control of the system piping and components.

  • Page 46: Features

    Freeze temperature is where ice crystals begin to form.) • Is a ready-to-use solution pre-mixed in the proper 35% concentration of propylene glycol for the Viking ESFR Cold Storage System for use in areas subject to a minimum temperature as low as 8 °F (-13.3 °C). •...

  • Page 47: System Fill Procedure

    15.0 SYSTEM FILL PROCEDURE 15.1 Filling The Reservoir Tank The CS-1 has been designed to fill the reservoir tank using either of two methods: gravity fill or pumped fill. NOTE: This is not a self-priming pump. Manual prime or fill the reservoir for prime. NOTE: Never leave the unit unattended when filling the system or tank.

  • Page 48: Filling Systems

    15.2 Filling Systems A suitable portable pump can be utilized to fill the system. (The CS-1 pump can be used for filling the system initially at 15 GPM (56 l/min) to 100 ft. head pressure or supervisory pressure, however, it is a less efficient pump for filling the system because of the duration of time required to do so.

  • Page 49: System & Solution Test And Maintenance

    With the CS-1’s switch in the “OFF” position turn on the power supply to the unit. Turn the “Off-On” switch to “ON”. Switch the “Man-O-AUTO” switch on the unit control panel to “Man”. Liquid will begin to fill the selected system. As the system fills, monitor the system vent/bleed valves.

  • Page 50: System Pressure Settings

    All sections of trapped piping are to be drained. Five percent (5%) of the pendent ESFR sprinklers in all locations throughout the system are to be removed and inspected for frozen solution.

  • Page 51: System Pressure Setting Example

    2) Turn consumption. 2) Mechanical damage. pump over by hand. If there are tight spots after break-in, call Technical Services. If other pump related problems are suspected, Other pump-related call the Viking Technical Services Department at 1-877-384-5464. problems.

  • Page 52: System Parts List

    19.0 SYSTEM PARTS LIST 19.1 Major Components of System COMPONENTS OF PRE-PRIMED PREACTION ESFR COLD STORAGE SYSTEM A.1 Deluge Valve (1 Required) Model E-1 Valve Model F-1 Valve 4" ANSI 6" ANSI 8" ANSI 4" ANSI 6" ANSI 8" ANSI...

  • Page 53: Replacement Parts List

    19.2 Replacement Parts List RECOMMENDED SPARE PARTS LIST CS-1 Tank and Pump Package Description Quantity Part No. Pump Basic Repair Kit - Includes Seal Stationary Element, Seal Stationary Seat, Casing O-Ring, Impeller 13052 (Type “L”) Level Switch, Stainless Steel Wetted Components, ½”...

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