Greenheck Fan Greenheck 474750 User's Manual
Contents
1. 1572 002 u Lame ou T B RABIA GL BB Panel Mark KFCC Hood Mark s HD 1 Motor Fan Mark HP Volt PH FLA Wire Breaker F1 EF 1 1 5 460 3 3 0 14ga 15amp F2 MAU 1 1 0 460 3 28 14ga 15amp FT Jaty Fan Switches 0 3 Exhaust in Fire 1 Qty Light Switches 0 3 MUA Interface Qty Temp Switches 0 1 Lights Out in Fire Tone Switch for L amp F Relay 1 One Breaker Con L amp F Extra Fire Relay 82 Heat Switch Extra Fire Relay 83 Cool switch gt Tempering SW DPDT Relay w SF JAD Switch DPDT Relay w EF Remote Switches Off Delay Relay Pushbutton Switches SF Failure Light Evap Cooler Switch EF Failure Light l Audible ALarm Fan Failure Light Appl G IGasReset Gas Off w Fans Damper T Power for Gas Solenoid Aux Supply Contact 8 Power for Shunt Trip Tie in WWCP Spare Fire Switch Contact dry contacts for building alarm BR BK RD RD NQ BR BK J Noz BROW BK YW Spare Relay Contacts activated by FS1 can be used for shunt trip alarms etc ea RD eg RD BR BR 1 A 4 NO4 AT BK AS Re 8 NG P 4p B NCA alt open w power at H1 N1 amp fire sys armed lt closed on fire or n2. Should motors furnished by Greenheck prove defective during this period they should be returned to the nearest authorized motor service station Greenheck will not be responsible for any removal or installation costs As a result of our commitment to continuous improvement Greenheck reserves the right to change specifications without notice AMCA Publication 410 96 Safety Practices for Users and Installers of Industrial and Commercial Fans provides additional safety information This publication can be obtained from AMCA International Inc at www amca org GREENHECK Building Value in Air Phone 715 359 6171 Fax 715 355 2399 E mail gfcinfo greenheck com Web site www greenheck com EM 474750 Digital Temperature Interlock Rev 2 May 2012 Copyright 2012 Greenheck Fan Corporation
3. E GREENHECK Building Value in Air Part 474750 Digital Temperature Interlock Installation Operation and Maintenance Manual Please read and save these instructions for future reference Read carefully before attempting to assemble install operate or maintain the product described Protect yourself and others by observing all safety information Failure to comply with instructions could result in personal injury and or property damage Product Specification Digital Temperature Interlock International Mechanical Code IMC 2006 section 507 2 1 1 Compliant Electrical Package Provide Greenheck temperature interlock electrical package as shown on plans and in accordance with the following specification The temperature interlock s consists of a temperature controller resistive temperature detector RTD junction box fire proof leak proof threaded fitting Evergreen Quik Seal amp and or Evergreen Compression Seal and shall be a self contained unit or as part of another pre engineered electrical control package The temperature interlock package shall close a relay powering the fans when the sensor detects the temperature set point The interlock shall hold the circuit closed upon fan switch being turned off until the temperature sensor detects a temperature below the set point plus hysteresis Once the temperature is below the set point plus hysteresis the fans shall shut down The temperature interlock package
4. an adjustment was made in Step 2 repeat now 4 After verification of fan start up shut down cooking equipment The fan switch should still be in the off position Once cooking equipment has cooled below the set point plus hysteresis the fans will shut down During testing if fans do not start automatically in the first 10 minutes of cooking equipment activation manually start fans to avoid accidental fire system dump due to heat build up Operation 1 Turn fans on and off using the fan switch It is normal for the fans to remain running after the switch is turned off The exhaust duct temperature controller will open after heat is no longer present under the hood and the temperature is below the set point plus hysteresis the fans shall shut down 2 In the event that the cooking equipment is started without turning the fans on manually the fans will turn on automatically and remain running with the presence of heat under the hood Once the temperature is below the set point plus hysteresis the fans shall shut down Troubleshooting Fans do not turn on automatically upon cooking equipment activation Check wiring to control panel or relay box Multiple sensors must be wired separately Temperature set point too high decrease set point No power to fans check breakers starters relays Fans do not shut off e Switch must be in the off position Cooking equipment hot wait for it to cool Temperature set point
5. exhaust fire dampers Greenheck recommends using one interlock per hood system activates all fans linked to system simultaneously Performance Goals Automatically energize the exhaust fans when cooking equipment generates heat Basic controls will be provided with a temperature sensor and will consist of an 8 x 8 electrical box with controls and a labeled terminal strip to hook up incoming power and fan starters A temperature controller is used to keep the exhaust fans running when the temperature controller initially closes to prevent the fan from cycling on and off at startup and shut down Fans will shut down automatically once the temperature has gone below the set point plus hysteresis The hysteresis can be adjusted based on jobsite requirements Digital Temperature Interlock El Table of Contents Product 1 General Description 1 Receiving and 2 Installation Hood Mounting s secede m eras eee ees 3 Duct Collar 3 Electrical Connections Temperature 4 Breaker Panel to Control Box or Fan Control 4 Circuit lt 4 sani a aisha Re RR ac te 4 Control Circuit Diagrams 5 6 Testing eae ena p Rena ne REA 7 Op rat
6. set point 3 Press the SET button to view the current temperature 4 Check system operation before making additional adjustments Control Circuit Diagram Standard Control L1 CONTROL INPUT 120VAC 15AMPS FROM BREAKER N G UNDER SUBJECT 891 UL LISTED FILE 200616 LABEL DESCRIPTION FAGTORY WIRING 1 T1 2 Exhaust Fan FIELD WIRING yh j Supply Fan ALL WIRING 90 C 14 GA 7 IN yw ES Overload UNLESS SPECIFIED o e ores WIRE COLOR WT a BK Fire Switch Shunt Trip Breaker blue OR 2 1 OR N eS brown C NO Fire System Microswitch purple C1 C6 Controller Dwyer 40 T red yellow 51 FIELD MOUNTED SWITCH ias RD RD 3 06 14 8 7 FIELD WIRING TO SWITCH REQUIRED FIELD WIRING minimum 60 Copper Wire TYP EXHAUST FIELD WIRE ST FIRE SYSTEM TYP EXHAUST MICROSWITCH C FS TE NO T ED TYP SUPPLY CONTROL INPUT 24 120 VAC 15AMPS FROM BREAKER WIRING
7. shall be constructed by Greenheck in accordance with International Mechanical Code The manufacturer shall provide upon request the necessary data that confirms compliance with the code listed above Due to continuous research Greenheck reserves the right to change specifications without notice General Description Description The temperature interlock is designed to automatically start kitchen hood exhaust fans and keep them running while heat is being generated from the cooking appliances Hood systems should always be manually started before equipment is turned on If the fans are forgotten to be turned on the interlock will turn the fans on once heat is detected The interlock consists of a temperature controller resistive temperature detector RTD junction box Evergreen Compression Seal threaded fitting and is contained in a stand alone box or can be added to a pre engineered fan control center Purpose To meet IMC 2006 section 507 2 1 1 interlock between exhaust fans and cooking equipment This system will utilize a temperature sensor in the exhaust duct collar or in capture area of hood to detect heat generated from cooking operations and automatically activate the exhaust fans if not already turned on Field wiring may be required depending on location of components Product Application The temperature interlock is designed to be used with Type I Type II hoods It is not to be used in conjunction with
8. FOR ADDITIONAL SENSORS OPTIONAL T2 T3 eI 9 740 1104 2 111 dh fy h dh Ty on le T on on 12 T on L C NOJ L C S1 S1 3 036 4 3 H e 44 T4 T5 4 fy 4 Bsp cena msi os curtis WT BK WT BK 1 4 5 2 1 4 5 2 OR 11 OR OR OR L C NOJ L C S1 S1 a 57 a 1 85 44 T6 w 4 os 315 d s fy on gt oR L C NOJ S1 3 0 6 4 8 Digital Temperature Interlock EJ Control Circuit Diagram Fan Control Center 6 Digital Temperature Interlock L1 CONTROL INPUT 120VAC 15AMPS FROM BREAKER N I 1 T1 1 HI eme NI yw yw 1 TC1 2 pus Eo op RD 51 I OR uda WH Isin or 0 lt 1 R SIN e OR IN i WH ASI ag 9655 OR Ri RI RD j 90916 0L2 YW IN WH 2 56 4495 D3 DI D2 BR WH NCI ARU NO1 e INPUT POWER 3 WIRE 3 PHASE FROM BREAKER INPUT POWER 3 WIRE 3 PHASE FROM BREAKER CONTROL PANEL Lights Switch Fan Switch 12inches 18 inches I th Ol Hg T DAD ABI GL BB B
9. O O J Box Plate PN 732396 T Lock Washer interfere with fire N the octagon Nut i extension _ system nozzles and is f o not within 12 inches of NUR nng light fixtures 4 Place the resistive temperature detector 3 Place the J box plate inside of the octagon through the extension ring and place over the hole compression seal and 4 Disassemble the compression seal and place tighten the Octagon Cover through hole and J box plate as shown Tighten the PN 380926 nut inside the octagon extension ring octagon box fitting G gt SS oo 5 Install the d Octagon Extension f th Resistive Thermostat PN 830125 cover the Detector RTD J Box Plate PN 732396 Lock Washer aa All field installation and wiring of electrical I d Dy d equipment must be done to meet local OG codes 8 Digital Temperature Interlock Electrical Connections Electrical Connections 1 Run two 18 awg thermostat wire from each temperature sensor to the appropriate electrical circuit connections See Step 3 for connection options 2 In junction box connect leads on RTD to the 18 awg conductors using appropriate size wire nuts Wires are interchangeable with one another 3 Choose the final connection based on Terminals T3 T4 T5 T6 T7 T8 if applicable in fan control center KFCC Terminals 9 10 11 12 13 14 15 16 17 18 if applicable
10. in control box on top of hood utility cabinet CAUTION Do not connect temperature sensor in series with fan power This will result in damage to the temperature sensor and will require replacement Breaker Panel to Control Box or Fan Control Center 1 Connect a Single Pole Single Throw SPST switch to one of the following based on application Terminals 3 amp 4 in the control box e Terminals S1 amp S1H in the fan control center Circuit Connections 1 Standard Interlock Control e 120V 10 or 15 amp circuit to terminals 1 amp 2 e Control voltage for fan starter activation 120V 24V or other control circuit drawing on page 5 e Control circuit power to terminal 7 Terminal 8 to fan starter coils Terminals 7 amp 8 to fan starter coils 2 Fan Control Center Integration KFCC e Power to H1 amp N1 in fan control center e No additional control circuits are required fan starters are factory wired a Digital Temperature Interlock Calibration The temperature controller is preset by the factory to turn the fans on at 95 F This is controlled by the set point on the temperature controller The temperature set point may have to be adjusted slightly depending on both ambient and cooking conditions The adjustment is made through the buttons on the temperature controller To adjust follow these instructions 1 Press the SET button to see the set point 2 Press the UP DOWN arrow button to change the
11. ion ss P f Troubleshooting 7 7 Frequently Asked Questions 8 Replacement lt 8 Codes and Standards Compliance 8 aise ac Palen ay alana at s 8 Receiving and Handling Upon receiving the equipment check for both obvious and hidden damage Check to be sure that all parts of the shipment including accessories are accounted for Storage If a temperature interlock must be stored prior to installation it must be protected from dirt and moisture Indoor storage is recommended For outdoor storage cover the control package with a tarp to keep it clean dry and protected from UV ultraviolet radiation damage Improper storage which results in damage to the unit will void the warranty 2 Digital Temperature Interlock Installation 5 Place the resistive __ cJ Md pM 2 temperature Control Box Mounting detector through lant H Locate an area with enough space to mount the the compression O6 A 4 PN 384439 control box and fasten to the wall seal and tighten gt the compression NOTE fitting p Control box may be factory mounted If so continue 6 Install the cover PN 880128 A to the next section for the octagon enon box Resistive Temperature Detector s Duct Collar Mounting RTD Mounti
12. ng 1 Locate the exhaust duct on top of the hood A 3 4 to 7 8 inch 19 0 to 22 2 mm diameter hole must be cut into the duct 2 inches 50 8 mm above the 2 inches 50 8 mm Resistive temperature detector s may be factory hood top Center installed If so continue to the next section a Sd 016222 duct Make sure that the resistive temperature detector will not 1 Locate flat area s at the top interior of the hood in front of the filters towards the front of the hood Hood Exhaust Collar r 19 525 inches 3 inch air space j Front Side 1 interfere with i fire system nozzles or other items installed in the Exhaust Area 2 inch typical exhaust duct If an exhaust fire damper is present 7 the hood exhaust collar it must be removed prior to temperature sensor installation S Install i inei 2 Place the J box plate inside of the octagon extension ring and place over the hole in the exhaust collar Supply Area optional 3 Disassemble the compression seal and place th rough 1 4 inch Compression Seal 2 PN 463570 Top View of Exhaust Hood hole in duct TR collar and Quik Seal iii 2 a fiis hardin diameter hole AS flat J box plate spot ot the capture D as shown tank Make sure the 0 75 to 0 875 inch Ti o 19 0 to 22 2 mm ighten the resistive temperature nat inside detector s will not Gasket W
13. o power closed w power at H1 N1 amp fire sys armed lt open on fire or no power EC Cooler NOTES TORQUE FIELD WIRING TERMINAL STRIPS 18 IN LB use minimum GROUNDING BAR 20 IN LB 60 Copper Wire LABEL DESCRIPTION FACTORY WIRING FIELD WIRING ST Starter ALL WIRING 90 C 14 GA OL Overload UNLESS SPECIFIED C Contactor G Ground WIRE COLOR S Switch LT Light BK black FS Fire Switch BL blue R Relay BR brown AF Air Flow Switch OR orange SV Solenoid PR purple STB Shunt Trip Breaker RD red D Damper YW yellow PB Push Button WT white TC Temperature Controller Drawing shown de energized at L1 term H1 with fire system armed non fire mode in normal operation R1 amp R2 are energized If wall mounted prewire or field installed fire system the fire system microswitches must be field wired UL LISTED Wiring Diagram KFCC TEMP INTERLOCK UNDER SUBJECT 891 FILE 4E200616 Testing 1 Turn fan switch on then off to ensure proper fan operation before cooking equipment is started Once this is verified testing can proceed 2 Heatup cooking equipment with fans off Once the duct temperature reaches the set point of the temperature controller the fans will start within 5 minutes If the fans take more than 5 minutes to start decrease the temperature set point by adjusting the set point on the temperature controller see Calibration 3 If
14. ock controls Greenheck recommends the use of starters sized for each fan Can I use one control box for multiple hood systems This can be done however it is not recommended Any one of the temperature controllers would turn on all hoods running on that control box It is better to have one hood fan per control box plus a significant energy savings can be obtained if one or more of the hoods is not in operation Can I still turn my fan on and off Yes the temperature interlock is designed to be operated with a typical on off switch The fan may not turn off directly after turning the fan switch off it will sense when the cooking operations have cooled and then turn off Warranty Replacement Parts Quantity Description 1 384440 1 880125 5055151 1 2 380928 1 880926 Cyr 722 DIN RAIL BUS NDN2 WH 2 382858 ANDR Terminal 1 463570 Qd Seal Codes and Standards Compliance e UL 710 National Fire Protection Association NFPA 96 e International Mechanical Code IMC 2006 Section 507 2 1 1 Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from the shipment date Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory transportation prepaid Motors are warranted by the motor manufacturer for a period of one year
15. too low increase set point e Ensure wires connected to appropriate control circuit Fans cycle off to on when turned off Cooking equipment not cooled enough retry in 5 minutes Fans do not turn on quick enough Decrease temperature set point Maintenance Daily Clean the temperature sensor with cloth and degreaser Keep clean for best performance Weekly Dependant on grease production and grease filter type clean temperature sensor Seasonal May have to change temperature setting on the temperature controller if ambient kitchen temperatures fluctuate between summer and winter seasons Whom to call Contact your local Greenheck representative What to have ready for the call Sales order serial number and description of product Sales Order Number Serial Number Digital Temperature Interlock Frequently Asked Questions What temperature is the temperature controller set to from the factory 95 Fahrenheit Will the temperature interlock automatically start stop the fans When connected properly to fan starters the temperature interlock will automatically control the fans without input from the user However the intended use of the temperature interlock is as back up to manual control May I connect the power going to my fan directly through the control box No the control box should only use control voltage only 24 120V and a separate 120V power source is required to run the temperature interl
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