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Summary of Contents for Condair RO-U
- Page 1 IMPORTANT! Read and save these instructions. This manual to be left with the equipment. INSTALLATION, OPERATION, AND MAINTENANCE MANUAL Reverse Osmosis System RO-U Humidification and Evaporative Cooling...
- Page 2 Liability Notice Condair Ltd. does not accept any liability due to incorrect installation, maintenance or operation of the equipment, or due to the use of parts/components/equipment that are not authorized by Condair Ltd.. Copyright Notice Copyright 2018, Condair Ltd., All rights reserved.
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Page 3: Table Of Contents
Dimensions Operating Data 5.2.1 Water Quality 5.2.2 Temperature 5.2.3 Power Installation and Planning General 6.1.1 Installation Overview Location Requirements Clearance Requirements Site Requirements 6.4.1 Water Supply Requirements 6.4.2 Drainage Requirements 6.4.3 Power Supply Requirements Installation RO-U Contents | 3 2594385_A_EN_1811_RO_IOM... - Page 4 Shutting Down the Unit Maintenance General Cleaning and Disinfecting Maintenance List Maintenance Procedures 8.4.1 Adjusting the Buffer Tank Pressure 8.4.2 Replacing the RO-U Filter 8.4.3 Testing the Permeate 8.4.4 Cleaning-RO-Membrane Troubleshooting General General Troubleshooting Spare Parts List: Reverse Osmosis System Commissioning 11.1...
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Page 5: Introduction
If you have additional questions, please contact your Condair representative. They will be glad to assist you. -
Page 6: Available Manuals And Languages
Check the goods against the packing slip to ensure that all items have been delivered. Report any shortages to your Condair representative within 48 hours of receipt of the goods. Condair does not assume responsibilities for any shortages beyond this period. -
Page 7: Compliance
Follow all local guidelines and regulations regarding the installation and operation of the unit; this includes (and not limited to) mounting, plumbing, water, gas, ventilation, and electrical connections. Please consult your local Condair representative to learn more. RO-U Introduction | 7... -
Page 8: For Your Safety
"Technical Data" on page 19 for details. Any other type of application, without the express written consent of Condair, is considered to be NOT conforming to its intended purpose, and may lead to dangerous operation and will void the warranty. In order to operate the equipment in the intended manner all information contained in this manual, in particular the safety instructions, must be observed closely. - Page 9 CAUTION! The RO-U System contains pressurized water. Hoses in the RO-U System contain pressurized water that may spray if the hose connections are loose or there is a leak. Prevention: Do not re-tighten or unscrew hoses while the system is pressurized. Test for leaks and replace broken hoses.
- Page 10 Modifications to the Unit Prohibited Modifications are NOT permitted on the Reverse Osmosis System without the express written consent of Condair. 10 | For Your Safety RO-U 2594385_A_EN_1811_RO_IOM...
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Page 11: Hygiene
There are multiple points in the humidification system where a contamination can occur. It is the responsibility of the customer and of Condair to ensure that health hazards due to contamination are reduced to acceptable levels. The use of a hygiene risk assessor is recommended. -
Page 12: Risk Monitoring And Assessment
Repair and fault finding. Training and guidance. Note: * Condair uses a quick method for measuring bacterial activity in the water with the use of BactiQuant (BQ). Once the water sample has been taken, the bacteriological quality of the water is read within 30 minutes, and the Condair service team will disinfect the system if necessary. -
Page 13: Product Description
The water shut off valve is automatic and prevents water from being wasted when the system flushes. A permeate pump (Water Saver) and Water Safe Guard is included with the Nortec RO-U system. The pump increases the efficiency of the flushing and reduces water use. The water Safe Guard con- tinuously monitors the membrane function and indicates when to replace a Nortec RO-U membrane. -
Page 14: Buffer Tank, Fitting, And Wall Bracket
RO-U System is able to supply, such as during flushing and filling (at any other time, the system supplies more than the required consumption and any excess water will be used to refill the tank). -
Page 15: Model Designation
Model Designation The specification label on the side of the RO-U system shows the model type, serial number, and other ratings. Refer to the figure below. The label is located on the Water Safe Guard. Model: RO-U 44 Type Designation rev.1.2... - Page 16 The plastic bag is filled with RO water where it is stored and used to supplement water usage of the Ultrasonic Humidifier. 16 | Product Description RO-U 2594385_A_EN_1811_RO_IOM...
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Page 17: Options
12. Pressure switch, 2.5 bar 6. Water Safe Guard 13. RO water (permeate) to buffer tank 7. Water shut-off valve Options The buffer tank (PN: 2586532) option is required for the Ultrasonic Humidifier if the RO-U is installed. RO-U Product Description | 17 2594385_A_EN_1811_RO_IOM... -
Page 18: Accessories
Accessories Accessories for the Reverse Osmosis System: Wall mounting brackets (supplied) to mount the unit and buffer tank. Reverse Osmosis System Installation, Operation, and Maintenance Manual (P/N: 2594385_A_ EN_1811_RO_IOM) (supplied). 18 | Product Description RO-U 2594385_A_EN_1811_RO_IOM... -
Page 19: Product Specifications
10°C (50 °F): maximum, water temperature at 25 °C (77 °F), at 1 bar (15 psi) min.: RO-U 20 kg/h / 5.3 g/h (44 lb/h / 0.19 oz/h) 31.2 kg/h / 8.2 g/h (69 lb/h / 0.29 oz/h) 5.1.2... -
Page 20: Power
5.2.3 Power Power (see the specification label on the unit): Supply Voltage 24 VAC / 110 VAC transformer Consumption 27 W 20 | Product Specifications RO-U 2594385_A_EN_1811_RO_IOM... -
Page 21: Installation And Planning
Observe and comply with all local and national codes dealing with water and electrical installations. Condair does not accept any liability for installation of humidification equipment by unqualified personnel, or the use of equipment and parts that are not authorized by Condair. -
Page 22: Installation Overview
The RO-U System (with buffer tank) can be installed with any Ultrasonic Humidifier, and one should be installed for each tank in the humidifier (1 in the medium and 2 in the large). The RO-U System must be mounted on the wall, or suitable, non-vibrating mounting surface, and should have access to a drain, water supply, and power supply, and should be placed in a location that is easy to service, with enough room to install the buffer tank. -
Page 23: Location Requirements
RO-U with buffer tank. It is recommended to install the buffer tank at the same elevation as the humidifier. There may be cases where the Ultrasonic Humidifier is installed at a higher elevation than the buffer tank. -
Page 24: Site Requirements
Figure 4 - Minimum Clearances for the RO-U (image not to scale) A. min. 100 mm (3.94 in) B. min. 250 mm (9.84 in) C. min. 100 mm (3.94 in) D. min. 250 mm (9.84 in) E. min. 300 mm (11.82 in) F. - Page 25 Should a DI system be installed, contact your Condair representative. Upon completion of installation, flush the water supply and drain lines to clear out debris in the lines. Water supply should be free of additives, such as corrosion inhibitors and disinfectants.
- Page 26 Colony-forming Unit (CFU) (max) 200 CFU/ml ; no pathogens allowed * If the water entering the RO-U system is greater than the values indicated in this table, install a water softener between the water supply and the Reverse Osmosis System.
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Page 27: Drainage Requirements
< 200 CFU/ml for industrial applications** follow applicable regulations * if the conductivity of the water entering the RO-U system is greater than 350 µS/cm, contact your Condair rep- resentative . ** CFU leaving the unit via mist should be <1000 CFU/ml for industrial applications. Keep the CFU entering the humid- ifier as low as possible, such that the CFU leaving the unit is within acceptable guidelines. -
Page 28: Installation
7. Install the carbon filter. Ensure that the O-ring on the holders are seated correctly between the carbon filter element and the holders. The carbon filter element is fitted with flat rubber flanges. 8. Place the RO-U System over the screws, against the mounting surface. Figure 6 - Mounting the RO-U 6.5.3... -
Page 29: 6.5.3.1 (Optional) Di System
7. Fit a 3/8 in tube from the T-piece connector to the humidifier. A 3/4 in adapter to the humidifier is supplied. Note: The RO-U unit has a shut-off tap for the water supply to stop fluid flow when the buffer tank is full, and when no water is being consumed. - Page 30 9. T-piece connector 4. Buffer tank 10. Permeate pump 5. Hose from pressure switch to tank 11. Sediment filter 6. Hose from permeate pump to drain (air gap fun- nel) 12. Pressure switch 30 | Installation and Planning RO-U 2594385_A_EN_1811_RO_IOM...
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Page 31: Connecting The Drain Line
Make sure the cables are secured, and do not rub on any components or become a tripping haz- ard. Observe national and local codes for maximum cable length and required wire sizes for cables. To power the RO-U System: 1. Insert the transformer plug into the socket. The system requires 24 VAC power. RO-U... -
Page 32: Operation
Follow any lockout procedures when servicing the unit. DANGER! Poorly maintained RO-U systems may be hazardous. Poor maintenance of the Reverse Osmosis System poses a health risk to spaces humidified by the Ultrasonic Humidifier. When adequately operated or poorly maintained, micro-organisms that cause disease, such as Legionnaire's, may grow in the water system and in the humidifier which dispel the micro-organisms into the air. -
Page 33: Starting Up
Inactivity of the humidifier for more than 48 hours requires you to clean and disinfect your system before starting up. There is risk of the membrane fouling if the RO-U unit has been 'inactive' for a long period, so it is advised to keep the RO-U system on and running to regularly flush every 24 hours. -
Page 34: Shutting Down The Unit
"Cleaning and Disinfecting" on page 35. 1. Open the supply valve to the RO-U System and let the system flush for 5 minutes. 2. Supply voltage to the pump by plugging in the wall adapter. 3. Reconnect the tube to the buffer tank. -
Page 35: Maintenance
(for more than 48 hours) unless it is deemed necessary, as unpowered units will not flush. Cleaning and Disinfecting Cleaning and disinfecting should be performed by authorized persons. Contact your Condair rep- resentative for more details. Refer to "Maintenance List"... -
Page 36: Maintenance List
RO membrane, avoid disassembling the component, and replace the RO membrane as necessary. IMPORTANT! If the RO system must be disinfected, contact your Condair representative. Maintenance List Perform the following maintenance tasks at the intervals specified in Table 3 below. -
Page 37: Maintenance Procedures
12. Once the desired pressure is attained, turn on the humidifier. 8.4.2 Replacing the RO-U Filter The buffer tank in the RO-U System must be depressurized before the filters can be replaced. To replace the filters: 1. Empty water from the buffer tank. Refer to "Adjusting the Buffer Tank Pressure"... -
Page 38: Testing The Permeate
8.4.4 Cleaning-RO-Membrane Do not clean the RO membrane. The RO-U system, as long as it is powered, will flush every 24 hours. Should cleaning be performed, please contact your Condair representative first. It is advised that RO membranes be replaced for RO-U systems that have been unpowered for over 24 hours. -
Page 39: Troubleshooting
Troubleshooting of the Reverse Osmosis System must only be performed by well qualified and well trained personnel. Electrical repairs must only be performed by a licensed electrician authorized by the customer, or by Condair service technicians. Troubleshooting the Reverse Osmosis System may require the user to access the inside of the humid-... - Page 40 LED began flashing. The RO-U will shut off after 24 hours and the red LED will remain solid red. Leaks in the system Fix any leaks in the system and reset the RO-U unit (turn off and turn on). Calcium deposits from humidification...
- Page 41 If the original, leaking filter is still leaking, inspect the O-ring with the filter. If the switched housing is leaking (and the original stopped), the cover is defective. Contact a Condair representative for a replacement. Broken O-ring Open the filter housing and check the O-ring for damage or improper installation.
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Page 42: Spare Parts List: Reverse Osmosis System
Spare Parts List: Reverse Osmosis System Figure 8 - RO-U Spare Parts. Refer to Table 4 on the next page. RO-U 2594385_A_EN_1811_RO_IOM Spare Parts List: Reverse Osmosis Sys- tem | 42... - Page 43 Table 4: RO-U Spare Parts List Item Part Number Description Quantity 2594388 SP, RO membrane (x2) 100 gal (XP ROMEMBR-100) — RO membrane external cover — 2594396 SP, Non Return Valve 1/4" - Flow restrictor (WKLEPNONRETURN) 2594394 SP, Shut Off Valve (WKLEPSHUTOFF) 2594395 SP.
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Page 44: Commissioning
11.2 First-time Commissioning The unit must always be commissioned for the first time by a service technician from your Condair rep- resentative, or by personnel who are well trained and authorized by the customer. For this reason, this manual only provides an outline, and not the details of the commissioning protocol. -
Page 45: Decommissioning
The and its components must NOT be disposed in domestic waste, and should only be disposed in accordance with local regulations at authorized collection facilities. If you have any questions, please contact the appropriate local authorities, or your local Condair rep- resentative. - Page 46 APPENDIX Appendix RO-U...
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Page 47: A Appendix
"Model Designation" on page 15. □ All cables fastened securely? □ All cables free of tension and pass through any applicable cable glands or grommets? □ Electrical installation meet the applicable national and local codes? RO-U Installation Checklist | 47 2594385_A_EN_1811_RO_IOM... - Page 48 Notes:...
- Page 49 Warranty Condair Inc. and/or Condair Ltd. (hereinafter collectively referred to as THE COMPANY), warrant for a period of two years after installation or 30 months from manufacturer’s ship date, whichever date is earlier, that THE COMPANY’s manufactured and assembled products, not otherwise expressly war- ranted, are free from defects in material and workmanship.
- Page 50 CONSULTING, SALES, AND SERVICE: CANADA 2740 Fenton Road Ottawa, ON, K1T 3T7 Tel: 1.866.667.8321 Fax: 613.822.7964 Email: na.info@condair.com Website: www.condair.com...
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