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ClearWater SC27P Installation & Operation Manual

Ozone systems corona discharge ozone generator
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Ozone Systems
Installation & Operation Manual
850-E Capitolio Way, San Luis Obispo, Ca 93401 • 805-549-9724 • Fax: 805-549-0306 • E-mail: service@cwtozone.com • www.cwtozone.com
Copyright © 2005 - ClearWater Tech, LLC • Reproduction of any kind is prohibited • LIT135 • REV093010
SC27P
Corona Discharge Ozone Generator
Tested and certified by
WQA to NSF/ANSI 50 as a
ClearWater Tech, LLC.
Integrated Ozone Systems
Tested and certified by
WQA to NSF/ANSI 50 as a
component only.
component only.

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Summary of Contents for ClearWater SC27P

  • Page 1 ClearWater Tech, LLC. Integrated Ozone Systems 850-E Capitolio Way, San Luis Obispo, Ca 93401 • 805-549-9724 • Fax: 805-549-0306 • E-mail: service@cwtozone.com • www.cwtozone.com Copyright © 2005 - ClearWater Tech, LLC • Reproduction of any kind is prohibited • LIT135 • REV093010...

  • Page 2: Ozone Generator

    (up to 10%) at 10 PSI. The oxygen feed gas produced by the air preparation system is supplied to the ozone generator, which flows through the built-in flow meter. A stainless steel needle valve (located under the SC27P), is used to maintain optimum pneumatic parameters inside the ozone reaction chambers.
  • Page 3 The ClearWater Tech off-gas destruct systems, consists of two components - the ozone destruct unit (a heated chamber filled with manganese dioxide and copper oxide) and a water trap. Used in conjunction with a ClearWater Tech off gas vent, the ozone destruct system is an effective way to vent the contact vessel(s) when it is impractical to send the off gas...

  • Page 4: Safety Warnings

    COMPONENTS, ELECTRIC SHOCK WILL OCCUR. ClearWater Tech corona discharge ozone generators take line voltage and convert it to 48 VDC. A high voltage transformer then boosts the voltage. While each ozone generator has a door switch and other safety interlocks, proper care...

  • Page 5: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS When installing and using this electrical equipment, basic safety precautions should always be followed, including the following: READ AND FOLLOW ALL INSTRUCTIONS. SAVE THESE INSTRUCTIONS. All electrical connections should be made by a licensed, qualified electrician. Before attempting any electrical connections, be sure all power is off at the main circuit breaker. Install all electrical equipment at least five feet from any open body of water using non-metallic plumbing.

  • Page 6: Equipment Placement

    Section A of the Appendix. • The SC27P should be located as close as possible to the point of ozone injection. Ozone is an unstable gas and will begin reverting back to oxygen very quickly. To determine the most favorable ozone injection point, the following items should be considered: •...
  • Page 7 The contact vessel is a specified size, determined by water flow requirements. ClearWater Tech contact columns and the 30, 40, 80, and 120-gallon contact tanks have inlet and outlet fittings on the bottom of the vessel and are designated with arrows showing the direction of flow.
  • Page 8 Step 8: Install the contact vessel venting system into the top of the vessel. If using the ClearWater Tech contact column, the vent kit supplied includes fittings, a control valve and Teflon® tubing. The contact tank venting system includes an air relief valve, fittings and a length of Teflon®...
  • Page 9 Plumbing (continued)

  • Page 10: Installation Procedures - Electrical

    MCI (Motor Control Interlock) Power: The MCI is a fused factory-wired interlock, which may be used to energize or de-energize the SC27P with other electrical component(s) via an input signal. If the MCI is used, remove the factory-wired jumper between L1, terminal #1 and the MCI, terminal #2, of the Electrical Hook-up Box Terminal Strip.
  • Page 11 output control selected, see, Start-Up and Calibration Procedures, Figure 7-1A for LED function and Appendix-Section A for LED location. Manual Ozone Output Control: Turning the control knob counterclockwise will decrease the ozone output down to 0% while turning the knob clockwise will increase the ozone output up to 100%. The ozone output level is indicated by the “Ozone Output”...
  • Page 12 External Loop Electrical Interface Figure 5-2 240VAC Signal 120VAC Signal Power from ORP, PPM, Power from ORP, PPM, pump or timer pump or timer 240V 120V COIL COIL Interface Relay Interface Relay External Loop External Loop...
  • Page 13 The SC27P ozone generator incorporates a ClearWater Tech vacuum break, which provides a positive atmospheric “break” between the ozone injector manifold and the SC27P system, preventing water from flowing back into the ozone generator should the venturi check valve fail. If the check valve at the venturi begins to leak or fails completely, vacuum is interrupted and water will flow toward the ozone generator.
  • Page 14 Step 2: Apply main power to the SC27P. Switch the main power switch to the “ON” position. At this time the SC27P will be powered up, the air preparation system and cooling fans should be “ON” and power should be present to the External Contactor output signal.
  • Page 15 ADJUST THE AIR FLOW GAUGE ADJUSTMENT VALVE. Step 10: Perform a final check of all air connections from the SC27P to the ozone injector manifold. Repair leaks as required. Check all system water connections, including the ozone injector manifold, vacuum break and contact vessel.
  • Page 16 Note: If the vacuum break must be refilled with water disconnect the External Loop from the SC27P and shut down the system and follow the steps outline in Chapter 6 “Installation Procedures –...

  • Page 17: Maintenance

    • Air Flow: Check the air flow meter on the SC27P control panel. Make sure air flow is within the CFH (cubic feet per hour) range shown on the “Ozone generator air flow” line of the “Pneumatic Operating Parameters” (see Figure 7-2).
  • Page 18 Step 1: Turn off power to any peripheral system hydraulic components. Step 2: Turn the Main Power switch on the SC27P to the “OFF” position. The Main Power LED’s on the control panel should not be illuminated. Step 3: Disconnect the power to the ozone system either at the service disconnect box (if so equipped) or main circuit breaker.
  • Page 19 Step 10: Inspect the dielectric, end caps and cathode for breakage, corrosion or debris. Clean and/or replace parts as necessary. If cleaning and/or parts replacement is not required, re-assemble the reaction chamber per the instructions below. Assembly and Re-installation Step 1: Make sure the glass dielectric is clean (free of dust, dirt, grease, oils, etc.).
  • Page 20 Vacuum Break • Cleaning: Disconnect ozone delivery lines. Remove the vacuum break from mounting clamps. Disconnect the overflow tube from flapper valve, open flapper and clean the seat with a soft clothe. Remove riser tube threaded fitting and flush riser tube with water. Re-assemble and re-install vacuum break, making sure to add water to correct level (see Figure 6-2).

  • Page 21: Troubleshooting

    AIR PREPARATION PROBLEM/SYMPTOM POSSIBLE CAUSE SOLUTION Compressor not operating - No power to SC27P System - Check main power to system - MCI terminal does not have a voltage signal “Installation Procedure - Electrical” - Incorrect wiring - See “Installation Procedures - Electrical”...
  • Page 22 - Loose or disconnected High Voltage lead to - Attach High Voltage lead to transformer transformer - High temp limit - If the temperature with in the SC27P system is greater than 150˚ F; the drive modules will go to Fault mode. Drive Module - Main Power...
  • Page 23 Troubleshooting (continued) OZONE GENERATOR – continued PROBLEM/SYMPTOM POSSIBLE CAUSE SOLUTION Cooling Fan(s) or exhaust fan(s) not - Fan obstructed - Remove obstruction operating - Fan inoperable - Replace fan Unit flooded with water - Vacuum break check valve failed - Clean or replace check valve - Assess damage, repair as required Ozone smell detected near or around - Insufficient vacuum at venturi...

  • Page 24: Specifications

    Bonding/Grounding Lug Stainless Steel Needle Valve Electrical Hook-Up Conduit Knockouts Cooling Fans Shown: SC27P Bottom Panel with out cooling fan cover OZONE GENERATOR SPECIFICATIONS OZONE OUTPUT/SCFH SC27P 34” h x 29” w x 13” d, 139 lbs 27g/h, 6% @ 12 scfh, 10PSI Mounting Bracket Hole Measurement 16”...
  • Page 25 Compressor Inlet Filter Compressor Pressure Relief Valve Power Supply Main Power Fuse (F1) Motor Controlled Interlock (MCI) Fuse (F2) External Contactor Fuse (F3) Terminal Strip (1-16) Exhaust Fans Shown: ClearWater Tech SC27P Ozone Generation System (Wire harness omitted for clarity)
  • Page 26 Appendix (continued) Section A – Specifications SC27P – Control Panel Shown: ClearWater Tech SC27P Control Panel Front View Pressure Switch Display Board Check Valve Shown: ClearWater Tech SC27P Control Panel Back View...

  • Page 27: Parts List

    Appendix (continued) APPENDIX - Section B Parts List Ozone Generator Cooling Fan and Exhaust Fan - FA42 Description PART # 240VAC 50/60Hz Cooling Fan Filter FA40 Compressor Inlet Filter OXS350 Display Board CCA1064 Compressor Rebuild Kit OXS356 Pressure Switch PS20 Pressure Relief Valve OXS361 Check Valve –...
  • Page 28 APPENDIX - Section C Logic Schematic Shown: Electrical Schematic - SC27P Line Side Note: This system is not dual voltage rated. System voltage is 120VAC 60Hz or 220VAC 50Hz.
  • Page 29 APPENDIX - Section D Drive Module Input Voltages Shown: HO Drive Module...
  • Page 30 Summary of the Warranty ClearWater Tech, LLC (“CWT”) makes every effort to assure that its products meet high quality and durability standards and warrants the products it manufactures against defects in materials and workmanship for a period of one (1) year, commencing on the date of original shipment from CWT, with the following exceptions: 1) The warranty period shall begin on the installation date if the installation is performed within 90 days of the original shipment from CWT;...

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