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Core HMI Installation, Operation And Maintenance Manual

Pre-engineered fire protection system
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Installation, Operation, and Maintenance Manual
Upon receiving unit, check for any interior and exterior damage. Report any damage found immediately
to the carrier. Check that all accessory items are accounted for and free of damage.
Installation of this package should only be performed by a qualified Fire System Technician who has
read and understands these instructions and is familiar with proper safety precautions. Improper
installation poses serious risk of injury due to electric shock and other potential hazards. Read this
manual thoroughly before installing or servicing this equipment. ALWAYS disconnect power prior to
working on equipment.
ONLY CORE CERTIFIED PERSONNEL MAY INSTALL,
PERFORM MAINTENANCE AND REPAIRS ON CORE SYSTEMS.
Save these instructions: This document is the property of the owner of this equipment and is required for future
maintenance. Leave this document with the owner when installation or service is complete.
CORE Pre-Engineered Fire Protection System
RECEIVING AND INSPECTION
WARNING!
Part No. A0011052
May 2025 Rev. 89

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Summary of Contents for Core HMI

  • Page 1 ONLY CORE CERTIFIED PERSONNEL MAY INSTALL, PERFORM MAINTENANCE AND REPAIRS ON CORE SYSTEMS. Save these instructions: This document is the property of the owner of this equipment and is required for future maintenance. Leave this document with the owner when installation or service is complete.

  • Page 3: Core Fire Protection: Quick Start Guide

    • Every two years, you must replace the batteries and inspect all electrical wiring and plumbing. • If it should become necessary to disconnect the CORE system from AC power for an extended period of time (more than two days), the batteries should be disconnected to prevent them from being damaged due to complete discharge.
  • Page 4 When a fault exists, the LED will flash with a short break. Count the flashes then wait for a short break to determine the fault. For packages with HMIs, refer to the fault displayed on the screen. NOTE: CORE Boards with software versions 1.68 and prior will use one brief flash every 3-seconds to indicate there is no fault.

  • Page 5: Core Fire Protection: Inspection Report

    Multiple hood connections: Check appliance connec- Check for leaks in the manifold tions are complete. Record piping size connection Check for shut off valves in the CORE water line. Check for leaks through filters Verify all shut off valves are supervised CORE water line is connected to the Building Wet Verify gas valve strainer is installed.
  • Page 6 Record Power Supply (PS-02) output (Reading = 27.5 +/- 0.1V DC) Terminals LGV and N1D CORE Appliance solenoid valve Verify all CORE interlocks are con- wired (Wall Mounted Control cab- nected (CA, CB, CC) inet only) Fire System Activation Method...

  • Page 7: Table Of Contents

    CORE Total Flood Fire System Options ....................................................9 Plumbing Connections for CORE Total Flood Protection ............................................... 11 Piping Loss Calculation for Wall Mount CORE Total Flood Protection Fire Systems ......................................12 Manifold Operating Pressure Requirements ..................................................14 Self Cleaning Tees and Duct Sump(s) Coverage .................................................. 16 CORE Hood Details ..........................................................

  • Page 8: Warranty

    MANUFACTURER. LISTINGS The CORE Fire Protection System is a Pre-Engineered system that is ETL Listed to UL Standard 300 and ULC/ORD-C1254.6-1995; meets requirements of NFPA 96 (Standard for the Installation of Equipment for the Removal of Smoke and Grease-Laden Vapors from Commercial Cooking Equipment); NFPA 17A (Standard on Wet Chemical Extinguishing Systems).

  • Page 9: Installation

    CORE Total Flood Fire System Options In a fire condition, the CORE water solenoid is open, allowing sprinkler water to flow through the manifold. The surfactant is injected continuously throughout the fire system activation. Figure 2 on page 10 shows the Sprinkler Water side of the utility cabinet mounted manifold that is activated during a “fire”...
  • Page 10 Figure 1 - Self Cleaning with CORE Protection Fire System Spray plumbing for Firestat for Automatic Fire Plugged end. System Activation riser nozzle. Removable for back to (One Per Riser) back or end to end hoods Duct and Plenum Spray Bar.

  • Page 11: Plumbing Connections For Core Total Flood Protection

    PVC, copper, stainless steel pipe, or listed braided hose only. If PVC is utilized, there must be a minimum of 10 ft of copper or stainless steel pipe from the manifold to the PVC connection. The CORE water line must be copper, stainless steel, steel pipe, or listed braided hose only.

  • Page 12: Piping Loss Calculation For Wall Mount Core Total Flood Protection Fire Systems

    Use the following steps to calculate the minimum piping size. 1. Refer to Table 3 and Table 4 to determine the CORE minimum PSI required at the hood inlet. Subtract this value from the available psi at the panel pressure gauge. Maximum panel operating pressure is 70 psi. This will be your maximum allowable pressure drop for field-installed piping between the panel and the hood.
  • Page 13 Figure 3 - Pressure Loss through Typical Water Pipe Chart 3/4” Pipe 1” Pipe 1-1/2” Pipe 2” Pipe 0.01 1000 FLOW (GPM) Table 2 - Pressure Drop (PSI) per Equivalent Foot of Waterline (Pipe Size) Waterline Pipe Size (PSI per foot of pipe) Gallons per Minute 3/4”...

  • Page 14: Manifold Operating Pressure Requirements

    Manifold Operating Pressure Requirements Minimum Operating Pressures Table 3 - 3/4” Manifold Minimum Inlet Water Pressure (PSI) Discharge Coefficients (K Factor) Hood Length Duct & Plenum CORE Total Flood (FT) Self Cleaning Duct and Plenum Total Flood Protection Only Protection 10.2 10.7...
  • Page 15 NOTE: Water pressure may not drop below the minimum required psi while the hood is spraying hot water or for CORE. Pressure may not rise above 70 psi when the hood is spraying. If the operating pressure is greater than 70 psi, a water regulator must be connected.

  • Page 16: Self Cleaning Tees And Duct Sump(S) Coverage

    Each duct run covered by a CORE Fire Protection manifold will add the total GPM of the duct run to the system requirements. The total GPM of the duct run is divided by a factor of 1.5 (for CORE) or 0.7 (for Self Cleaning) to calculate the additional equivalent hood length to add to the system.

  • Page 17: Drain Assembly Piping

    Drain Assembly Piping Figure 5 - Drain Assembly Drain Drain - Self-Cleaning Filter Option Hood Drain 1-1/2" X 1-1/2" NPT 4" From Wall to Center Slip Nut Bottom of Nipple Flush (A0008527, with Bottom of Trough WWDRAINNUT) - One End Threaded (A0017889 , WWDRAINSTUB) 45°...

  • Page 18: Gas Shut-Off Valves

    Gas Shut-Off Valves Gas valves (Figure 6) are designed to shut off the flow of gas to the kitchen appliances in the event of fire system activation. Electric gas shutoff valves must be installed with an upstream strainer to prevent debris from prohibiting gas valve function.

  • Page 19: Gas Valve Orientation

    Gas Valve Orientation For gas valve operation and details, refer to “Gas Shut-Off Valves” on page 18. Verify the size of the gas valve. This will determine the mounting and installation for proper operation of the gas valve and solenoid. For 3/4”...

  • Page 20: Wall-Mount Utility Cabinet (Wmuc) Installation

    Wall-Mount Utility Cabinet (WMUC) Installation WMUC Installation with Hanging Angles The utility cabinet will be field installed by others. Refer to Utility Cabinet Schedule for cabinet size. The hanging angle must be supported with 1/2”-13 TPI Grade 5 (minimum) All-Thread. Sandwich hanging angles and ceiling anchor points with 1/2”...

  • Page 21: Electrical

    H1 and N1 should not be connected to a shunt trip breaker. 3. The maximum distance between the CORE Protection System, PCU CORE Protection System, and a Hood CORE Protection System is 1000 feet. Shielded twisted pair cable must be used for this connection.

  • Page 22: Wire Ampacity Rating

    Wire Ampacity Rating The load current rating and the over-current protection for conductor types shall not exceed 15 amperes for 14 AWG, 20 amperes for 12 AWG, and 30 amperes for 10 AWG aluminum and copper-clad aluminum after any correction factors for ambient temperature and number of conductors have been applied. Refer to Table 6. Table 6 - Copper Wire Ampacity @ 75°C Wire Size AWG Maximum Amps...

  • Page 23: Fire Group

    This will allow the user the ability to assign different zones for independent activation. In order to set a fire group, you will need to set the CORE board DIP switches as shown in Table 8. Table 8 - Fire Group DIP Switch Position...

  • Page 24: Core Duct And Plenum Coverage

    The Hazard Zone consists of the cooking surface of each appliance underneath each hood. All appliances outlined in UL300 and on the chart on the following page are suitable to be covered with the CORE total flood system. There are specific branch appliance drop requirements for upright charbroilers and salamanders. The lowest and highest cooking surface will determine the height of the fire suppression nozzles.

  • Page 25: Appliance Coverage

    Table 9. Multiple or larger appliances may be covered under alternate nozzle configura- tions of the CORE Total Flood system. The maximum length of the hazard zone is 48 feet. It is important to note that the hazard zone is different than the appliance size.

  • Page 26: Standard Overlapping Protection

    1. Pipe and fittings above the hood, after the second CORE solenoid will be 1” copper pipe and 1” copper Pro- press fittings with EPDM seals, unless otherwise noted.

  • Page 27: Appliance Spray Bar

    Appliance Spray Bar 1. Pipe and fittings above the hood, after the second CORE solenoid will be 1" copper pipe and 1" copper Pro- press fittings with EPDM seals, unless noted otherwise. 2. Pipe and fittings inside the hood capture volume will be 3/8" NPT stainless steel or chrome-plated black iron.

  • Page 28: Upright Broiler Protection

    Each nozzle can cover 675 sq. in. 1. Pipe and fittings above the hood, after the second CORE solenoid will be 1” copper pipe and 1” copper Pro- press fittings with EPDM seals, unless otherwise noted.

  • Page 29: Range Top Protection

    Figure 17 shows the position of the hood in relation to the CORE Total Flood Protection system. 1. Pipe and fittings above the hood, after the second CORE solenoid will be 1” copper pipe and 1” copper Pro- press fittings with EPDM seals, unless otherwise noted.

  • Page 30: Wok Protection

    Wok. The Wok diameter range for CORE protection is 11” to 20” diameter. 1. Pipe and fittings above the hood, after the second CORE solenoid will be 1” copper pipe and 1” copper Pro- press fittings with EPDM seals, unless otherwise noted.

  • Page 31: Large Wok Protection

    Wok cooking surface, defined in UL300 as 3” below the rim of the Wok. 1. Pipe and fittings above the hood, after the second CORE solenoid will be 1” copper pipe and 1” copper Pro- press fittings with EPDM seals, unless otherwise noted. Pipe and fittings inside the hood capture volume will be 3/8”...

  • Page 32: Overhead Obstruction/Salamander Protection

    30” away. Overlapping coverage is required for appliance specific coverage. 1. Pipe and fittings above the hood, after the second CORE solenoid will be 1” copper pipe and 1” copper Pro- press fittings with EPDM seals, unless otherwise noted.

  • Page 33: Large Appliance Protection

    • Solid fuel source appliances (lava rock, mesquite, hardwood, and/or charcoal) hazard zones that exceed 36” in depth will require a secondary row of appliance protection. 1. Pipe and fittings above the hood, after the second CORE solenoid will be 1” copper pipe and 1” copper Pro- press fittings with EPDM seals, unless otherwise noted.

  • Page 34: Large Industrial Fryer Protection

    A double row of protection will be provided for all large solid-fuel appliances, regardless of the appliance depth. 1. Pipe and fittings above the hood, after the second CORE solenoid will be 1” copper pipe and 1” copper Pro- press fittings with EPDM seals, unless otherwise noted.

  • Page 35: Filter Installation Configuration

    Filter Installation Configuration The hood filters have drip blanks attached to them to prevent water leakage through the filters. Figure 23 shows the location of the drip blanks and the last filter to be installed into the hood. NOTE: Hoods with self cleaning filters do not have drip blanks installed. Figure 23 - Filter Installation Chart NOTE: Blue Filters designated the last filter that is installed in the hood.

  • Page 36: Operation

    Surfactant is injected at a rate of one second per minute of wash. The diagram below shows the Hot Water side of the wall-mounted manifold that is activated during the “wash” cycle. The CORE sprinkler water solenoid remains closed during the wash cycle.
  • Page 37 The appliance solenoid remains closed on top of the hood preventing hot water from spraying on the appliances. Hot Water only flows to the duct and plenum area during the self cleaning cycle. Figure 25 - Top of Hood Connection for Wall Mount CORE Manifold, Hot Water Flow Length of Pipe will Vary Solenoid Connection Cable must be Shipped with Valve.

  • Page 38: Core Protection Fire System

    CORE Protection Fire System A self cleaning hood is required to be installed to achieve CORE Protection. The basic daily operation of the CORE Protection system is identical to the self cleaning hood. In the event of a hood fire, CORE Protection will activate.

  • Page 39: Core Fire Protection/Self-Cleaning System Start-Up

    CORE Fire Protection/Self-Cleaning System Start-Up This test method is for hoods with CORE Total Flood Protection. For CORE Protection with separate appliance coverage, refer to “CORE Protection Test Mode Overview” on page 38. Special Tools and Parts: • Multimeter Meter - Capable of reading AC/DC Voltage and Ohms •...

  • Page 40: Installation Inspection

    #6320UL from junction to junction box connections. Manual Activation Device (MAD) • The MAD must be wired to terminal blocks 101-104 in the CORE package. • Belden #6320UL, 18 Gauge, plenum-rated wire or similar (field-supplied) should be used. • If the MAD is not installed, refer to “Fire Protection Manual Actuation Device” on page 65.

  • Page 41: Testing The Wash Cycle

    3. If multiple hoods are interlocked, if any network faults exist, refer to “DIP Switch Settings” on page 61. Place the CORE FS system in Test Mode using the Test/Arm switch on the control panel door. When in test, the CORE Board and HMI will display a Test Mode Fault.

  • Page 42: Testing The Manual Activation Device (Mad)

    1. Verify all building alarm systems are in Test Mode. Verify any interlocked systems are in Test Mode. 2. Place bucket brackets on hood nozzle drops (Figure 28). Hang buckets to collect water discharge. 3. Verify the operating pressure with all nozzles discharging. Place the CORE hood into Armed Mode. Press the MAD to activate the system.

  • Page 43: Testing Ac Power Only

    1. Verify all building alarm systems are in Test Mode. Verify any interlocked systems are in Test Mode. 2. Verify the battery connection is secure at connector J1. 3. Shut off AC power to the unit at the breaker panel. The HMI will turn off. Use the CORE board LEDs to deter- mine faults/activation.

  • Page 44: Core Total Flood Fire System Overview

    CORE Total Flood Fire System Overview In a fire condition, the CORE water solenoid is open, allowing sprinkler water to flow through the manifold. The surfactant is injected continuously throughout the fire system activation. Figure 31 shows the Sprinkler Water side of the wall-mounted manifold that is activated during a “fire”...

  • Page 45: Component Description

    The bar is 3/4” brass fittings with nozzles that spray directly toward the back of the hood. The same spray bar is used in hot water wash, cold water mist, and CORE Protection fire systems.

  • Page 46: Water Manifolds

    View shown Rotated for Clarity Hood Length Subtract 7 Inches Water Manifolds The self cleaning with CORE Protection fire system has one hot water connection and one supervised water source connection for CORE. Figure 34 - Hood Mounted Utility Cabinet Notes: All manifold fittings and pipe will be Brass.

  • Page 47: 3/4" Self Cleaning With Core Total Flood Protection Manifold

    8. Slow-close solenoids cannot be used as an appliance solenoid in this location. NOTE: Pipe dope must be used to seal threads. DO NOT USE TEFLON TAPE. Figure 35 - 3/4” Self Cleaning CORE Total Flood Protection Details Connection to Appliance Drops...

  • Page 48: 1" Self Cleaning With Core Total Flood Protection Manifold

    8. Slow-close solenoids cannot be used as an appliance solenoid in this location. NOTE: Pipe dope must be used to seal threads. DO NOT USE TEFLON TAPE. Figure 36 - 1” Self Cleaning CORE Total Flood Protection Details See Note 8...

  • Page 49: 1-1/2" Self Cleaning With Core Total Flood Protection Manifold

    7. Slow-close solenoids cannot be used as an appliance solenoid in this location. NOTE: Pipe dope must be used to seal threads. DO NOT USE TEFLON TAPE. Figure 37 - 1-1/2” Self Cleaning CORE Total Flood Protection Details See Note #7...

  • Page 50: 3/4" Self Cleaning With Core Wall Mounted Utility Cabinet Manifold

    7. Optional slow-close solenoid part # SC8221G005-24VDC may be used as an alternative. NOTE: Pipe dope must be used to seal threads. DO NOT USE TEFLON TAPE. Figure 38 - 3/4" Self Cleaning with CORE WM UC Manifold Detail 3-5/16”...

  • Page 51: 1" Self Cleaning With Core Wall Mounted Utility Cabinet Manifold

    7. Optional slow-close solenoid part # SC8221G007-24VDC may be used as an alternative. NOTE: Pipe dope must be used to seal threads. DO NOT USE TEFLON TAPE. Figure 39 - 1" Self Cleaning with CORE WM UC Manifold Detail 3 1/8”...

  • Page 52: 1-1/2" Self Cleaning With Core Wall Mounted Utility Cabinet Manifold

    7. Slow-close solenoids cannot be used as an appliance solenoid in this location. NOTE: Pipe dope must be used to seal threads. DO NOT USE TEFLON TAPE. Figure 40 - 1-1/2" Self Cleaning with CORE WM UC Manifold Manifold Parts...

  • Page 53: 3/4" Duct & Plenum Protection Manifold

    6. Optional slow-close solenoid part # SC8221G005-120VAC may be used as an alternative. 7. Optional slow-close solenoid part # SC8221G005-24VDC may be used as an alternative. Figure 41 - 3/4” CORE Duct and Plenum Protection Manifold Detail Manifold Parts Part #...

  • Page 54: 1" Core Duct And Plenum Protection Manifold

    7. Optional slow-close solenoid part # SC8221G007-24VDC may be used as an alternative. NOTE: Pipe dope must be used to seal threads. DO NOT USE TEFLON TAPE. Figure 42 - 1" CORE Duct and Plenum Protection Manifold Detail 3 1/8"...

  • Page 55: 1-1/2" Core Duct And Plenum Protection Manifold

    7. Slow-close solenoids cannot be used as an appliance solenoid in this location. NOTE: Pipe dope must be used to seal threads. DO NOT USE TEFLON TAPE. Figure 43 - 1-1/2" CORE Duct and Plenum Protection Manifold Detail 3-3/4" 30-7/8"...

  • Page 56: Wall Mounted Self Cleaning And Core Manifold

    4. Valves can be rotated for best fit inside cabinet. 5. CORE appliance solenoid DIN connection cables must be shipped with hoods. 6. Package also includes one vacuum breaker to be installed in the field. This will also ship loose with the package.

  • Page 57: Wall Mount Core Manifold With Monitored Ball Valve

    4. Valves can be rotated for best fit inside cabinet 5. CORE appliance solenoid DIN connection cable must be shipped with hoods. 6. Package also includes one vacuum breaker, to be installed in the field. This will also ship loose with the package.

  • Page 58: Fire Protection System Printed Circuit Board

    Under normal conditions, the “Fire System Status” light is on. This indicates the CORE system is armed and active. If a fault is detected anywhere in the CORE system, the audible alarm will periodically sound, and the “Fire System Status” light will flash a fault code to indicate the fault that was detected.

  • Page 59: Connector Descriptions

    Connector J3 contains Power Supply and Device con- nections Pin 1 and Pin 2 – Positive Input, Power Supply Pin 10 – Positive Output, CORE Appliance Water Valve Pin 3 and Pin 4 – Negative Input, Power Supply Solenoid Pin 5 – Positive Output, Gas Valve Solenoid Pin 11 –...
  • Page 60 Connector J5 and J6 is for RJ-45 connections These two connections are for the Modbus Network. This network may be used by non-fire system related equip- ment to monitor operating conditions of the electrical (PCBCORE) board. Connector J7 Interlock Network connections Pin 1 –...

  • Page 61: Dip Switch Settings

    DIP Switch Settings When a network contains a single CORE Board, DIP switches 1, 5, and 8 are in the On (Closed) positions and 2, 3, 4, 6, 7 are in the Off (Open) positions (Figure 47). This is the default positions and should not be changed. Table 12 provides DIP switch settings for CORE Boards interlocked in a network.
  • Page 62 Fire Group 4 Fire Group 4 The Master CORE Board must be the only CORE Board connected to an ECPM03 Board via a CAT-5 cable. All other CORE Boards in the interlocked network will be field wired to terminals CA, CB, CC.

  • Page 63: Fire Protection System Supervised Loops

    Fire Protection System Supervised Loops The supervised loops are integral to proper operation and activation of the Fire Protection System. All systems have two supervised loops; each loop consists of two conductors, one positive and one negative. One loop is ded- icated to all sensors, while the other is dedicated to all manual actuation devices (push/pull stations).

  • Page 64: Supervised Loop Electrical Details

    NOTE: Place the panel in test mode when checking the supervised loop circuit. Before checking the supervised loop circuit (Figure 51), verify all CORE power supplies (PS-02) are set to 27.5V +/- 0.1V DC. Check all supervised loop connections. Verify wiring is properly connected and secure. If any of the readings in Table 14 are out of range or other faults are present, there is an issue with that loop or associated components/wiring.

  • Page 65: Fire Protection Manual Actuation Device

    Fire Protection Manual Actuation Device The push/pull station (Figure 52) is a remote manual actuation device to activate the fire system. This remote manual actuation device (push/pull station) contains one set of normally open contacts and mounts to any standard single gang junction box. When the front button is pressed, the electrical connection to the fire system is completed, thus activating the fire system.

  • Page 66: Fire Protection System Firestat

    Fire Protection System Firestat The Firestat (page 67) is a device installed in the riser of the hood, at the duct connection, that measures temperature. One sensor shall be installed in each exhaust riser. Secondary downstream detectors in the duct are not required except as outlined in the Non-Solid Fuel Appliances and Solid Fuel Appliances section.
  • Page 67 Figure 53 - Firestat Installation Details Hood Riser Location Downstream Duct Protection* * Application specific, refer to page 66 for details. Firestat Components 1. Hood Riser Firestat • Fenwal Part Number - 12-F28021-32144-OT-360 - Normally Open, Close on Rise @ 360°F •...

  • Page 68: Hood Riser Sensor Replacement

    Hood Riser Sensor Replacement The following instructions are for replacing a hood duct stat or fire stat located in the riser. NOTE: Make sure the fire system is deactivated and all controls are powered down before servicing the unit. Service should only be performed by trained personnel. 1.

  • Page 69: Surfactant Tank

    Surfactant Tank The CORE Protection Fire System utilizes a two-gallon surfactant tank (Figure 55). For this package, the low-level control is located at the 1-gallon mark. In the event of a fire, surfactant is continuously injected into the water spray to help suppress the fire.

  • Page 70: Core Protection Waterline Supervision

    The optional pressure supervision switch has two single-pole, double-throw switches. Either switch may be wired in parallel to the CORE panel terminals H1D and 39. When a fault is detected, the CORE board will shut down the gas valve and shunt trip, trigger a local trouble signal, and alert all attached CORE packages.

  • Page 71: Battery Backup

    Battery Backup Important! The battery backup system requires that the batteries be changed every 2 years, from the date of fire system commissioning, maximum. Failure to do this will result in a void in product reliability and may cause severe damage to facility due to loss of fire protection. Figure 58 - Battery Backup The fire protection system contains a battery backup.

  • Page 72: Troubleshooting

    TROUBLESHOOTING Table 17 lists out causes and corrective actions for possible problems with the system. Review this list prior to consulting the manufacturer. Table 17 - Fire Protection System Troubleshooting Problem Potential Cause Corrective Action Broken supply fan belt Replace fan belt. Exhaust Fan is On and Supply Fan Fire system distributor must arm fire will not Start...

  • Page 73: Core Board Faults

    HMIs, refer to the fault displayed on the screen. For fault operation in shut down, refer to “Appliance Shutdown in Fault Conditions” on page 74. NOTE: CORE Boards with software versions 1.68 and prior will use one brief flash every 3-seconds to indicate there is no fault.

  • Page 74: Appliance Shutdown In Fault Conditions

    NOTE: CORE Boards with software version 1.68 and prior will use one brief flash every 3-seconds to indicate there are no faults in the fire system.

  • Page 75: Self Cleaning Hood Troubleshooting

    Self Cleaning Hood Troubleshooting The following table lists causes and corrective actions for possible problems with self cleaning hoods. Review this list before consulting manufacturer. Table 19 - Self Cleaning Hood Troubleshooting Chart Problem Potential Cause Corrective Action Verify hot water pressure >30 psi. No Water Pressure Open manual valve if closed.

  • Page 76: Supervised Loop/Power Supply Troubleshooting

    Supervised Loop/Power Supply Troubleshooting NOTE: Place the panel in test mode during diagnostic testing. Before troubleshooting, verify all power supplies (PS-02) are set to 27.5V DC. Verify all circuit checks from “Supervised Loop Electrical Details” on page 64. If any readings are not in range, there is an issue with that loop or associated components/wiring.

  • Page 77: Maintenance

    To order Surfactant, Scan the QR Code: Scan the QR Code: ATTENTION: When servicing or cleaning ductwork, all Hood CORE, PCU CORE, and interlocked fire sys- tems must be placed in test mode to prevent accidental discharge. Every 6 months 1.

  • Page 78: Every 2 Years

    Decommissioning If it should become necessary to disconnect the CORE system from AC power for an extended period of time (more than 2 days), the batteries should be disconnected to prevent them from being damaged due to complete discharge.
  • Page 79 Notes...

  • Page 80: Technical Support Information

    Notes As a result of our dedication to constant improvements and quality, the MANUFACTURER reserves the right to update specifications without notice. Please refer to MANUFACTURER’S website for up to date documentation. Technical Support Information CASLink Technical Support Parts Store...

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