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Melink Intelli-Hood, Installation Manual

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Melink Corporation                            (513) 965-7300                           www.melinkcorp.com 

5

3

 

 

Nut 

 

Lock Washer 

 

Gasket 

 

Threaded  
Coupling 

 

Compression  
Nut 

 

Insert  the  Purge  Pipes  inside  the 
Fittings  with  the  notch  positioned 
above the hood. Tighten the Fitting 
temporarily, until the Optic Sensors 
are mounted.

 

 

F 

Above Hood

 

Inside Hood 

 

 

E 

14

 

         Install Optic Sensors

 

   

5 

Install Fittings

 

Install Purge Pipes

 

Install  the  Fittings  at  the  hood  
penetrations in the order shown.  

 

MELINK 

Intelli-Hood

                 

Controls 

® 

® 

Summary of Contents for Intelli-Hood

Page 1: ...Melink Corporation 513 965 7300 www melinkcorp com INSTALLATION MANUAL MELINK Intelli Hood Controls ...

Page 2: ...sor 4 Electrical 2 Install Electronic Motor Starter 6 Electrical 3 Install Keypad 8 Mechanical 4 Install Exhaust Temperature Sensor 9 Mechanical 5 Install Optic Sensors 13 Mechanical 6 Install Air Purge Unit 17 Mechanical 7 Install Cables 18 Mechanical 8 Install Options if applicable 23 Mechanical MELINK Intelli Hood Controls ...

Page 3: ... X 1 1 4 sheet metal screws Conduit and wire for wiring the I O Processor and Electronic Motor Starters Tools Required Drill and Drill Bits Cobalt is best for stainless steel bit sizes 1 8 1 4 Hole Cutter or Punch for Stainless Steel with cutter sizes 1 1 2 1 1 4 Adjustable Pliers and Adjustable Wrench Screwdrivers Straight Phillips Large and Small Wire Cutter and Wire Stripper Measuring Tape and ...

Page 4: ...ere the Keypad will be mounted Ideally you should secure it to a wall DO NOT PENETRATE THE HOOD EXHAUST PLENUM For new construction the hood manufacturer typically provides a utility cabinet in which to mount the I O Processor If the hood has a utility cabinet with extra space mount the I O Processor and Electronic Motor Starters there A 4 Select I O Processor Location 1 MELINK Intelli Hood Contro...

Page 5: ...sting hood light switch to control the hood lights Otherwise wire the same as for new construction 115 230V INPUT GND N L GND N L 115 230V 15A LIGHTS OUTPUT New Construction Retrofits Main Input Power from Hood Light Circuit 115 230 VAC New Construction Outgoing Power to Hood Lights 115 230 VAC 15 Amps max For both New Construction Ret rofits wire the I O Processor using the hood light circuit The...

Page 6: ... be interlocked with the fire suppression micro switch so that this fan turns off in the event of a fire This is accomplished by connecting a low voltage cable between designated terminals on the Electronic Motor Starter 01 and 04 for Allen Bradley and the Normally Closed NC terminals on the micro switch Caution With variable frequency drives there must be a separate conduit run for the output of ...

Page 7: ...tors L1 L2 L3 U V BR W G BR 3 phase output to fan motor Remove the VFD top cover and connect the line voltage wiring to the VFD input power terminal block as shown above Then connect the output power from the terminal block to the respective fan motor on the roof The ground wire must be a minimum of 14 AWG and as short as pos sible The output wiring for each VFD MUST be in a separate conduit run 7...

Page 8: ...it breaker For retrofits if you want to replace the existing fan and light switch with our Keypad remove these switches from the junction box Then remove the existing wires to make room for the Keypad Cable Run the Keypad Cable inside the existing conduit and leave approximately 5 inches of slack inside the junction box You will connect the other end of the Cable to the I O Processor in Step 7 D B...

Page 9: ...of the duct is more than 24 then install two Temperature Sensors in order to obtain a better average reading A Duct Top View L 24 600mm L 24 600mm Hood 2 Top View Hood 3 Top View 9 4 Determine Number of Sensors Select Location for Mounting Sensor Select a location for mounting each Temperature Sensor The tip of the sensor should be inside the center of the duct to sense the average temperature For...

Page 10: ...e outside of the duct then re attach protective sleeve and strain relief 1 1 4 32mm Drill or punch a 1 1 4 32mm diameter hole at the proper location for each Tem perature Sensor C Each Temperature Sensor should be located as closely to the top of the hood as possible for easy access and cleaning E 10 Install Exhaust Temperature Sensor Strain Relief 4 Select Location on Duct Side View of Sensor Dri...

Page 11: ...m C E F In cases where the inside of the duct is not accessible this alternate mounting proce dure may be used Begin with steps A B then continue with these alternate steps C J 11 Install Exhaust Temperature Sensor Probe Protector Temperature Probe Flange Fitting Gasket Bushing Protective Sleeve Strain Relief Shielded Receptacle Select Location on Duct Side View of Sensor Mark Hole Locations Drill...

Page 12: ...the gasket over the studs followed by the flange fitting Tighten with the 4 wing nuts using an adjustable wrench until the unit is secure Check around the seal to make sure the flange is sitting flush to the duct with no gaps Remove wing nut from each stud Check to be sure that all the studs are securely wedged into each hold If any feel loose re tighten the wing nut onto the stud using a wrench R...

Page 13: ...ast 10 254mm from where you need to penetrate the top of the hood Also make sure the location will not cause the Optic Sensor beam to be obstructed by anything such as fire suppression piping To determine where to install the Optic Sen sors imagine a virtual line be tween the front 1 1 2 13 3 1 4 Approx 3 is typical Check Hood Select Sensor Locations Mark Hole Locations Drill Holes in Hood 5 Then ...

Page 14: ...Purge Pipes inside the Fittings with the notch positioned above the hood Tighten the Fitting temporarily until the Optic Sensors are mounted F Above Hood Inside Hood E 14 Install Optic Sensors 5 Install Fittings Install Purge Pipes Install the Fittings at the hood penetrations in the order shown MELINK Intelli Hood Controls ...

Page 15: ...depending upon the location of the hood If the hood is located against a wall then self tapping screws from the inside must be used If the hood is not located against a wall then use the machine screws washers and nuts provided 15 Install Optic Sensors Optic Enclosures Base Disengage Optic Sensors 5 Mount Optic Sensor Base Disengage the cover from the base on each Optic Sensor One has a circuit bo...

Page 16: ...ug in the cable end with the large anti snag boot into the jack on the Emitter Board and push any excess slack up the purge pipe Mount the cover onto the base Repeat with Receiver Board Emitter 16 Install Optic Sensors Receiver L Install Optic Cables Run the cables up each Purge Pipe and verify that they are located inside the notches before installing the APUs Run Cable Up Purge Pipes 5 K MELINK ...

Page 17: ... prepare for step 7 Plug the Optic Cables into any receptacle on the header board inside each APU Then run a cable from APU box to APU box Attach an APU to each Purge Pipe and tighten the compression fitting A Attach APU to Purge Pipe Remove APU lids B Optic Cables Plug In Optic Cables C MELINK Intelli Hood Controls ...

Page 18: ...e other end of the cable into the receptacle marked VFD on the side of the I O Processor A B If you have multiple VFDs plug the remaining VFDs to one another with additional cables keeping only one VFD plugged to the I O Processor 18 Install Cables Electronic Motor Starter 7 Plug Cable Into VFD Plug Into I O Processor Connect VFDs MELINK Intelli Hood Controls ...

Page 19: ...run it to the I O Processor on the other side of the cabinet E Inside the Utility Cabinet take the Keypad Cable already connected on one end 19 Install Cables Keypad D Utility Cabinet 7 Find Keypad Cable Plug Into I O Processor MELINK Intelli Hood Controls ...

Page 20: ...I O Processor OR APU Install Cables Temperature Sensor 7 F Melink Corporation 513 965 7300 www melinkcorp com G If there are NO Optic Sensors connect the other end of the cable to the receptacle for the respective hood on the I O Processor If there ARE Optic Sensors connect the other end to any receptacle in the APU box Repeat as necessary for each hood MELINK Intelli Hood Controls ...

Page 21: ...r Purge Unit or to the I O Processor if there are no Optic Sensors Exhaust Duct Temperature Sensors For multiple exhaust ducts connect the Temperature Sensors in the same way Exhaust Duct Temperature Sensors Exhaust Duct 21 Install Cables Temperature Sensor To APU or I O Processor 7 Connect Multiple Sensors if applicable H To APU or I O Processor MELINK Intelli Hood Controls MELINK Intelli Hood Co...

Page 22: ...l cables to the APUs tighten each strain relief Then replace the lid on the APU and tighten the thumbscrew Repeat steps A D for remaining hoods 7 Then connect the opposite end into any receptacle on an APU box at hood one K Plug Cable Into Processor Plug Into APU Tighten Strain Reliefs Secure APU Lid M Melink Corporation 513 965 7300 www melinkcorp com L MELINK Intelli Hood Controls ...

Page 23: ... sure that this fan shuts down in the event of a fire This is accomplished by running the VFD on off control signal to the fire suppression micro switch If when this normally closed N C switch opens the VFD shuts down power to the fan Connect your Ansul micro switch to terminals 01 and 04 of the VFD A 23 Fire Suppression Switch 01 02 03 04 05 06 Note The fire suppression micro switch N C is not pr...

Page 24: ...tacle of the I O Processor Install the Supply Temperature Sensor in the make up air duct using one of the two mounting procedures shown in Step 4 Note You only need to install one Supply Temperature Sensor in any given store A B 24 Install Supply Temperature Sensor C 2 Install Temperature Sensor Plug Cable Into I O Processor Plug Cable Into Temperature Sensor MELINK Intelli Hood Controls ...

Page 25: ...away from any hot or cold spots such as above a kitchen appliance or underneath a ceiling diffuser Choose a location that best represents the average temperature of the kitchen A B 25 Install Kitchen Temperature Sensor C 23 24 3 Select Suitable Location Attach Base to Wall Connect Cable to I O Processor Connect the other end of the cable to terminals 23 and 24 inside the I O Processor There is no ...

Page 26: ...package and install in accordance with the manufacturer s instructions Install Optional Sensors Humidity or CO2 A 4 Install Humidity or CO2 Sensors Connect Cable to I O Processor Connect the other end of the cable to terminals 18 and 19 inside the I O Processor MELINK Intelli Hood Controls ...

Page 27: ...Please let us know how we can improve our Installation Manual We want your experience with our product to exceed all expectations Call Melink Customer Service at 513 965 7300 if you have any questions ...

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