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Waterco Chemflo 25850 Manual

Ph & orp pool controller
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Chemflo 25850 pH & ORP Pool Controller
Chlorine & Acid controller with dosing pumps and timer for pool pump
Rainbow Pool Products
PO Box 2388, Mansfield Qld 4122
Telephone STD 61-7-3849 5385
Facsimile STD 61-7-3849 5384
Email: info@rainbowpoolproducts.com.au
Web: www.rainbowpoolproducts.com.au
Chemflo 25850 pH & ORP Controller Manual
Date
: 01-Sep-2007
Version : 1.0

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Summary of Contents for Waterco Chemflo 25850

  • Page 1 Chemflo 25850 pH & ORP Pool Controller Chlorine & Acid controller with dosing pumps and timer for pool pump Rainbow Pool Products PO Box 2388, Mansfield Qld 4122 Telephone STD 61-7-3849 5385 Facsimile STD 61-7-3849 5384 Email: info@rainbowpoolproducts.com.au Web: www.rainbowpoolproducts.com.au Chemflo 25850 pH &...

  • Page 2: Table Of Contents

    Contents Section 1. – Introduction......................4 Chemflo Display and Controls ......................4 Chemflo Connectors ........................5 Summary of Keypad Buttons......................5 Unpacking Information ........................6 Section 2. – Installation......................7 Plan the installation ......................... 7 Install the Probe and Injection Tee ....................7 Fit Tubing into Chemical Drums ......................

  • Page 3: Introduction

    Section 1 – Introduction Section 1. – Introduction Chemflo Thank you for purchasing a controller. Chemflo is a high quality pH and ORP controller, designed for maximum reliability to give you many years of service. Chemflo is easy to operate. This manual has been designed to help you get started, and also contains some helpful tips.

  • Page 4: Chemflo Connectors

    Section 1 – Introduction Chemflo Connectors Summary of Keypad Buttons Press to access the Menu. Also used as an “escape” key to quit menus and data entry screens without saving changes. Press to scroll up when setting data or making menu selections. Press to scroll down when setting data or making menu selections.

  • Page 5: Unpacking Information

    Section 1 – Introduction Unpacking Information Please check that you have received all of the items that should have been included with your new Chemflo. Standard Chemflo Kit… ph & ORP Probe, 1.8m cable Part No : 121290 Drum lid with gland fitting Part No : 116362 Probe &...

  • Page 6: Installation

    Section 2 – Installation Section 2. – Installation Chemflo is supplied with an installation guide. Installers should refer to this guide. Plan the installation Ensure that… Chemflo controller is installed in a sheltered location. Chemflo controller is close enough to the expected location of the Probe / Injection Tee for the Probe cable and pump output tubing to reach without straining.

  • Page 7: Fit Tubing Into Chemical Drums

    Section 2 – Installation Fit Tubing into Chemical Drums Insert the suction tubing through chemical drum lid supplied and fit the drum weight, as per the diagram below. Be sure to use the correct type chemical resistant drum. Your pool professional can advise on this.

  • Page 8: Mount Controller And Make Electrical Connections

    Section 2 – Installation Mount Controller and Make Electrical Connections Mount the Chemflo controller on a sturdy wall or post using minimum 3mm or 1/8” stainless steel bolts, screws or masonry anchors. Chemflo controller MUST be installed in a sheltered location. Connect the probe and pool pump to the Chemflo.

  • Page 9: Check Pool Size

    Section 2 – Installation Check Pool Size Chemflo is supplied pre-configured to suit pools of approximately 50,000 litre capacities. If this does not suit your application the Chemflo can be re-configured for the following sizes: Spa, 20,000 litres, 50,000 litres and 100,000 litres. To change pool size, please refer to section 9.2 .

  • Page 10: Operating Instructions

    Section 3 – Operating Instructions Section 3. – Operating Instructions Checking and Setting the ORP Set Point Press Press until “ Set Points” is selected and press “ ORP Set Point” is displayed, press Use the keys to change the ORP Set Point. Press to save the new ORP Set Point.

  • Page 11: Checking And Setting The Ph Set Point

    Section 3 – Operating Instructions Checking and Setting the pH Set Point Press Press until “ Set Points” is selected and press Press until “ pH Set Point” is selected and press Use the keys to change the pH Set Point. Press to save the new pH Set Point.

  • Page 12: Selecting Auto Or Standby Modes

    Section 3 – Operating Instructions Selecting Auto or Standby Modes 3.3.1 Selecting Automatic Mode Press until “ Dosing Mode” is selected and press Press “ Automatic” is displayed, press Auto mode should be selected for normal operation. 3.3.2 Selecting Standby Mode Press Press until “...

  • Page 13: Selecting The Pool Pump Timer Cycle

    Section 3 – Operating Instructions Selecting the Pool Pump Timer Cycle Chemflo is fitted with a 240V 10A mains power outlet for your pool pump which is controlled by a Pump Timer within the unit. To make its operation as simple as possible, this timer has several automatic pre-sets.
  • Page 14 Section 3 – Operating Instructions To change Winter Start and Winter End dates… Press to access the Menu. Press until ‘ Summer/Winter’ is selected and press … Press until ‘Custom’ is selected and press Chemflo will now prompt you to enter the Winter Start date… Winter Start 15-May Enter...

  • Page 15: To Switch The Pool Pump On Manually

    Section 3 – Operating Instructions To Switch the Pool Pump ON manually The pool pump can be switched ON manually using the Chemflo any time. Press , “ Pump Timer” is displayed. Press to display the Pump Timer menu… Pool Pump >Timed <...

  • Page 16: Super-Chlorinating

    Section 3 – Operating Instructions Super-Chlorinating From time to time, your pool service professional may ask you to super-chlorinate your pool. This is necessary when the level of Chloramines becomes too high. Chloramines are the undesirable compounds that form as a result of Chlorine killing bacteria and algae. Chloramines are the compounds that cause the “Chlorine”...

  • Page 17: Pumping To Waste

    Section 3 – Operating Instructions Pumping to Waste From time to time, all pool users need to pump some water to waste. This is normally the case when there has been heavy rainfall. The Chemflo will not add any chemicals while the water is being pumped to waste.

  • Page 18: Backwashing The Pool Filter

    Section 3 – Operating Instructions Backwashing the Pool Filter Some pool filters need to be backwashed regularly. Consult your pool professional to determine how often this should be done for your pool. The Chemflo will not add any chemicals while the water is being pumped to waste.

  • Page 19: Chemflo Display Messages

    Section 3 – Operating Instructions 3.10 Chemflo Display Messages Chemflo features a user-friendly text display. As well as showing the pH and ORP readings, it is also used to provide status and alarm messages, as per the following example. The meanings of the messages are detailed below… Status/Alarm Message Meaning Reading is within Set Point and no chemical dosing is required.

  • Page 20: Peristaltic Dosing Pumps

    Section 4 – Peristaltic Dosing Pumps Section 4. – Peristaltic Dosing Pumps Lubricating the Pump Tubing Chemflo is shipped with silicone lubrication on the peristaltic pump tubing. If this lubrication needs to be re-applied, suitable Silicon lubricant is available from your dealer in a 3mL syringe (part no 130103).

  • Page 21: Dosing Pump Error Message

    Section 4 – Peristaltic Dosing Pumps To fit a new Pump Tube… Turn the roller holder so that the rollers are in a horizontal line. Push the Replace the see-through Re-fit the Input and The power to the left hand side cover on the front of the Output tubing to the Chemflo...

  • Page 22: Probe Calibration

    Section 5 – Probe Calibration Section 5. – Probe Calibration Your Chemflo is supplied pre-calibrated. However the calibration of the pH probe should be checked periodically. pH Calibration 5.1.1 pH Calibration Procedure Press Press until “ Dosing Mode” is selected and press The pH Calibration screen is now displayed.

  • Page 23: Chemflo Settings

    Section 6 – Chemflo Settings Section 6. – Chemflo Settings Setting the Clock , then select ‘ Set Clock’). Select the Clock setting menu (Press The Clock setting screen is now displayed, with the current date and time. The cursor is on the day of the month.

  • Page 24: Emergency Shutoff Timer

    Section 6 – Chemflo Settings Emergency ShutOFF timer The emergency ShutOFF timer shuts the pH and/or ORP pumps down if they have operated continuously for a preset time without the pH and/or ORP values coming back to within the limits. For example, this condition could occur if the chemical drum is empty, the probe is faulty and giving an incorrect reading, or if added chemicals were not within detection of the probe.

  • Page 25: Control Setup

    Section 6 – Chemflo Settings Control Setup 6.3.1 Control ON and OFF Times The Control ON and OFF times are set when the Pool Size is entered. (section 2.6). For more details or to change the Control settings, see section 9.3. The ON time is the maximum amount of time the pump will operate continuously.

  • Page 26: Alarms

    Section 6 – Chemflo Settings Alarms Chemflo has an alarm function for the ORP and pH readings. The alarm trips if the ORP reading is above or below the Set Point by at least 30 mV. It also trips if the pH reading is above or below the Set Point by at least 0.3 pH.

  • Page 27: Resetting The Chemflo

    Section 6 – Chemflo Settings Resetting the Chemflo Chemflo settings and / or probe calibration can be reset to factory defaults if required. All user settings and / or probe calibration will be erased and restored to factory defaults, so any custom settings will need to be input again and the probe calibrated.

  • Page 28: Troubleshooting

    Section 7 – Troubleshooting Section 7. – Troubleshooting General Error Messages from the Chemflo Error Message Possible Causes Remedy Fact Cal Failure The EEPROM chip which The unit must be returned for service. maybe Inaccurate contains the factory Contact your dealer. calibration information has failed.

  • Page 29: Ph Troubleshooting

    Section 7 – Troubleshooting pH Troubleshooting Symptom Possible Causes Remedy Unit fails to calibrate, Calibration settings outside of Reset the unit. See section 6.5. even with new probe. allowable limits due to previous failed calibration. 1 Point calibration fails Reference junction blocked. Clean reference junction as per (Asymmetry is greater instructions supplied with the probe.

  • Page 30: Output Fuse Replacement

    Section 7 – Troubleshooting Output Fuse Replacement Chemflo has a 10 Amp fuse to protect the instrument from excessive power consumption by the main Pool Pump. This can occur due to any of the following reasons… The Pool Pump has a power rating higher than 10 Amps. The Pool Pump has a larger than normal start-up current, which exceeds 10 Amps long enough for the fuse to blow.

  • Page 31: Chemflo Specifications

    Section 8 – Chemflo Specifications Section 8. – Chemflo Specifications Range Resolution Accuracy 500 to 999 mV 1 mV ±1 mV 5.00 to 9.00 pH 0.01 pH ±0.02 pH Calibration pH Asymmetry Range : -1.00 to +1.00 pH Calendar Clock 24 Hour Calendar Clock.

  • Page 32: Custom Settings Menu

    Section 9 – Custom Settings Menu Section 9. – Custom Settings Menu The Custom Settings Menu provides access to settings which may need adjustment to suit non- standard installations. Care must be taken when altering these settings as poor or incorrect pool control may occur.
  • Page 33 Section 9 – Custom Settings Menu 9.3.2 To select the Continuous program The Continuous program is available for installations where the pool pump will be operating 24 hours per day, or some other external timer device is used to control the pool pump. When an external timer device is being used to control the pool pump, ensure that the Chemflo is also...
  • Page 34 Section 9 – Custom Settings Menu 9.3.3 Setting a Custom Timer program Those users who do not wish to use any of the pre-set programs can enter their own custom Timer program. Two ON and OFF cycles per day can be entered. These are labelled ‘AM’ and ‘PM’, although any time of day can be entered for either.

  • Page 35: Dosing Pump Tube Size

    Section 9 – Custom Settings Menu Dosing Pump Tube Size Chemflo can be fitted with larger 6.1 litre/hr Dosing Pump Tubes for applications requiring a higher Dose rate. The Chemflo must be configured to the tube size fitted to the Dosing Pump.

  • Page 36: Control Setup

    Section 9 – Custom Settings Menu Control Setup 9.5.1 Setting the Control Direction, On Time, and Off Time For most applications, the default Control Direction, On Times and Off Times will be ideal for the selected pool size. However, some installations may need more On time if there is a continuously heavy bather load etc and the pump is not keeping up with demand.
  • Page 37 Section 9 – Custom Settings Menu 9.5.1.3 Setting up the pH Control function Access the Custom Settings Menu. See section 9.1 Press until “ pH Control” is selected and press The Control Direction menu is now displayed, for example… >Too High Too Low Enter The current selection is highlighted by the arrow.

  • Page 38: Shutoff Times

    Section 9 – Custom Settings Menu ShutOFF Times 9.6.1 Setting the ShutOFF Times Access the Custom Settings Menu. See section 9.1 Press until “ ShutOFF” is selected and press Chemflo now allows you to enter the maximum time for which the ORP pump will operate without getting back to within the limit…...

  • Page 39: Ph Buffer Calibration

    Section 9 – Custom Settings Menu 7.00 pH Buffer Calibration To assist Dealer Troubleshooting the Chemflo has a 7.00 pH Buffer Calibration for pH. This procedure can be used to determine the Asymmetry (or Offset) of the pH Probe. A 7.00pH Buffer solution (not supplied) is required for this calibration. 9.7.1 7.00 pH Buffer Calibration Procedure Switch the pool pump OFF with the Pump Timer function (see section 3.6), and unplug it from...
  • Page 40 Section 9 – Custom Settings Menu The pH measurement of the Chemflo is now calibrated. The Chemflo will now prompt you to re-fit the probe into the Tee fitting… Re-Fit Probe into Pipe Enter Re-fit the probe into the Tee fitting, as per section 2.2. Return the pool pump to its normal Pump Timer setting, as per section 3.4.

  • Page 41: Warranty

    WARRANTY COVER If a defect occurs in any Waterco product, Waterco will at its discretion, repair the product or replace and install the defective part, free of charge provided that the defect results solely from poor workmanship or materials and subject to these terms and conditions.
  • Page 42 Waterco excludes all liability it may have to the purchaser for indirect, special or consequential loss arising from or related to any defect in any Waterco product, or any act or omission of Waterco, including, but not limited to, loss of business, loss of profit, loss of revenue, lost opportunity, inconvenience, and damage to any property other than the Waterco product.
  • Page 43 The chemical balance of the water is a relationship between total alkalinity, pH, Calcium hardness and temperature. Waterco recommends that you have your water tested regularly by your local pool professional. A record of testing should always be kept for reference.

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