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4.1  Control Panel with VFD Drive

The following contains a description of the LPB, RPB, RPC and EZ Pass Thru 

Powder Booth Control Panel.

Control Panel (Nema 12) Enclosure with Definitions

1. Turn power on at Main Disconnect (Blue power light will be illuminated).

2. Turn Lights on using green light on button.

3. Turn fan on using green fan on button.

4. Turn Filter Pulse Control switch to on position. This will pulse filter cartridges in a pre-determined sequence.

5. Check Magnehelic Gauge to assure booth is running within proper parameters. Low end at .25” of water

column, high end not to exceed 3.5” water column. If the reading exceeds 3.5” of water column adjust pulse timer

down from a 2 minute interval to a 1 minute interval.

6. Filter alarm light only indicates a pressure drop which indicates a filter missing or a hole in the cartridge filter.

7. Adjust Variable Frequency Drive to assure a minimum of 100 FPM lineal face velocity in booth openings.

Control Panel (Nema 12) Enclosure Interior with Definitions

Variable 

Frequency 

Drive

Main 

Disconnect

Magnahelic

22

Содержание Powder Booths

Страница 1: ...Booths This Installation Manual reviews an introduction safety component description installation maintenance and warranties of RTT s powder booths 888 452 6684 www rttsolutions com Revised August 202...

Страница 2: ...ol Panel with Variable Frequency Drive 22 4 2 Optimizing Your Collector s Performance 24 4 3 Understanding the Pulse Down System 26 4 4 Troubleshooting Pulse Problems 30 4 5 Exhaust Filter Installatio...

Страница 3: ...ir back into the powder coating room Exhaust Fan and Chambers The Spray to Waste Industrial Batch Powder exhaust chamber is located as shown in the mechanical drawing package which is included in this...

Страница 4: ...ing operations Consult your local fire marshal for posting of No Smoking signs Improperly maintained equipment could cause sparks which could ignite the powder cloud For Your Safety Beware of poor ele...

Страница 5: ...The safety information in this manual is denoted by the safety alert symbol The level of risk is indicated by the following signal words DANGER Indicates a hazardous situation which if not avoided WIL...

Страница 6: ...Keep hands clear of rotating parts Follow lockout procedure before servicing Prevent serious injury or death Use adequate lifting devices to raise move and install booth components Prevent serious in...

Страница 7: ...e spray booth while under the influence of drugs alcohol or while feeling ill Prevent serious injury or death Always wear personal protective equipment PPE appropriate for job Read Material Safety Dat...

Страница 8: ...aning booth Prevent serious injury or death Service maintenance and adjustments must be performed by trained and qualified personnel Burn hazard Do not touch hot parts Allow to cool before servicing E...

Страница 9: ...instructions can result in death or injury Risque de Blessures Graves Ne pas entrer dans cet appareil pendant l op ration Cet apparell peut d marrer automatiquement tout moment Ne pas op rer l appare...

Страница 10: ...If residue accumulates to excess in booths duct or duct discharge points or other spray areas all spraying operations shall be discontinued until conditions have been corrected 10 3 High Pressure Hose...

Страница 11: ...stible liquid for each cleaning operator 10 7 6 Liquid Storage Flammable and combustible liquids shall be handled and stored in accordance with Chapter 8 Containers used for handling storage or recove...

Страница 12: ...g material 10 10 Chlorinated Solvents Coating materials containing chlorinated solvents shall not be used with spray application apparatus or fluid handling equipment if the chlorinated solvent will c...

Страница 13: ...be located where it can be read daily by the paint department Locate it on the booth where there are no obstructions such as shelving or walls to interfere with viewing the manometer Remember without...

Страница 14: ...ckwise until it stops then turn the knob clockwise 3 full turns This will place the adjustment knob in the middle of its travel range Remove the fill plug at the top of the manometer and slowly fill w...

Страница 15: ...filters have already been used you will need to remove them and install new clean filters With the new clean filters installed turn on your exhaust fan If your exhaust fan is connected to a VFD to co...

Страница 16: ...ll pack out 25 inches of water 5 inches of water 75 inches of water total Step 6 Set Your Change Filter Arrow Now that the baseline is set measure up the scale 5 inches of water to allow for your filt...

Страница 17: ...not operating or if a door if equipped is open for longer than a few seconds the air solenoid valve will shut off the flow of pressurized air to the powder application equipment The unit should be ins...

Страница 18: ...m 1 295 to 36 131 CFM Static pressures to 1 25 w g Construction Features Aluminum non sparking propeller dynamically balanced for quiet vibration free operation Continuously welded heavy gauge corrosi...

Страница 19: ...re straddling center line Max 7 50 Airflow D Belt Guard Size A B C D E F Max Mtr Frame 12 12 25 13 88 14 88 12 00 8 44 145T 14 14 25 15 88 16 88 12 00 8 44 145T 16 16 25 17 88 19 00 12 00 8 44 145T 18...

Страница 20: ...hall be secured to the fan shaft with a taper lock bushing SHAFT BEARINGS All fans shall be supplied with a shaft of AISI 1045 steel material that has been properly turned ground and polished for accu...

Страница 21: ...r failure This is an NFPA 33 Code 15 8 2 Powder Exhaust Filter Proving Assembly Powder Exhaust Filter Proving Assembly Open 3 6 Optional Powder Booth Control Panel Your RTT powder booth may be equippe...

Страница 22: ...4 Lab Batch and Pass Through Powder Booths Photos Cartridge Batch Powder Booth Cartridge Collector Pass Through Powder Booth Lab Powder Booth RPC Collector Showing Final Filters and Control 21...

Страница 23: ...a pre determined sequence 5 Check Magnehelic Gauge to assure booth is running within proper parameters Low end at 25 of water column high end not to exceed 3 5 water column If the reading exceeds 3 5...

Страница 24: ...rol Panel Nema 12 Enclosure Interior Showing Electrical Schematic and UL Sticker 1 Electrical schematic shown inside the NEMA 12 door enclosure 2 UL Listed label shown inside the NEMA 12 door enclosur...

Страница 25: ...n the newly cleaned row and the next row to be pulsed Should not be used for storage Evacuation equipment rotary valves screw conveyors etc should be sized to unload hopper before accumulation occurs...

Страница 26: ...ept up to F54 00 or even F60 00 If you try to set a speed higher than what the collector is capable of the drive will simply flash several times and then go back to the previous setting Setting the co...

Страница 27: ...4 3 Understanding the Pulse Down System 60 to 80 PSI compressed air is plumbed into the manifold on the collector Compressed air feeds from the manifold to each pulse valve 26...

Страница 28: ...here the air stops which is what keeps the pulse valve closed As long as air is not allowed to continuously bleed out of the pilot port on top then the pulse valve will remain closed When air is allow...

Страница 29: ...he solenoid stays closed the system remains pressurized which keeps each pulse valve closed When power is applied to the coil of the solenoid a small amount of compressed air is allowed to pass throug...

Страница 30: ...lenoid enclosure The solenoid will open for 150 milliseconds allowing a small amount of air to pass through which allows air to bleed off from the pilot port on the first pulse valve The first pulse v...

Страница 31: ...rt flashing one at a time every 60 to 120 seconds as soon as the board is powered up This flash indicates that the board is outputting 120VAC at that terminal which feeds the solenoid enclosure locate...

Страница 32: ...see if it is bad first turn off the power to the main control panel Disconnect the wires leading to the suspect solenoid and use a volt meter set on Ohms to measure between the two terminals on the s...

Страница 33: ...o the cartridge filter To test this theory turn off the compressed air and then plug the pilot port on the pulse valve that s leaking and then turn the compressed air back on If the pulse valve no lon...

Страница 34: ...4 5 Exhaust Filter Installation Install one wire grid in each filter cell with prongs facing into booth Exhaust filters will be attached to prongs 33...

Страница 35: ...booth has an intake plenum insert intake filter into filter grid The side marked Air Leaving Side on filter goes toward inside of booth Loosen nut and turn 90 degrees to remove filter Unlocked Positio...

Страница 36: ...y equipment used in spray booth Prevent serious injury or death Electrical installations must be performed by qualified electricians Installation must conform to all national local and provincial code...

Страница 37: ...ounted for Each component is numbered on the exploded view 2 The floor surface of the booth must be non combustible material of such character as to facilitate the safe cleaning and removal of residue...

Страница 38: ...h leave bolts finger tight until each section is assembled All flanges should face outward Install bolts from inside so nut is outside booth Use a drift pin to align panel holes when two or more panel...

Страница 39: ...wall panels and roof panels to each other until you reach front end of booth Finish off roof section by attaching fire curtain if needed If booth has front doors no fire curtain is needed 8 Verify wa...

Страница 40: ...Belts 1 The fan sheave A and motor sheave B must be in axial alignment Shafts must be parallel in both vertical and horizontal planes 2 The sheaves must be in radial alignment When sheaves are of equa...

Страница 41: ...our voltage phase and HP 4 Some motors may have 2 additional red wires These wires are for an internal thermal overload We do not use these wires and they should be capped off with wire nuts or electr...

Страница 42: ...Wire for Low Voltage T1 T7 T2 T8 T3 T5 T4 T9 T6 To reduce the risk of electric shock the motor is to be grounded per local electrical code L1 Incoming 3PH power from control panel motor starter or VFD...

Страница 43: ...e or unusual noise when booth is operating 6 When door limit switches are applicable operate the booth and open any door to see if spray gun will shut down This will verify proper safety operation of...

Страница 44: ...problem It is necessary for the person troubleshooting the booth be familiar with the control system logic A good preventative maintenance program will keep your booth on line and reduce unnecessary d...

Страница 45: ...caused by improper lubrication either over or under In every case if the cause of the trouble is not easily determined only experienced personnel should examine the equipment before it put back into...

Страница 46: ...Control Panel NEMA 12 Ballast Minimum Air Temperature 50 F Mecair Pulse Valve Ambient Temperature 20 C 60 C 45...

Страница 47: ...Seller extends to the Buyer only the same warranty granted to Seller by the component vendor or manufacturer THIS LIMITED WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIE...

Страница 48: ...onsible for any back charges incurred for materials or labor without prior written consent Should a problem arise please notify RTT immediately Once the issue is investigated should costs be incurred...

Страница 49: ...888 452 6684 www rttsolutions com RTT Engineered Solutions 2975 Discovery Blvd Rockwall TX 75032 Toll Free 888 452 6684 Email sales rttsolutions com www rttsolutions com Follow Us 48...

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