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Food Service Reverse Osmosis System

Copyright © Puretec Pty Ltd 2019

Troubleshooting

Troubleshooting

Issue

Possible Cause

Corrective Action

Low product flow rate.

Low driving pressure.

Increase feed pressure. Consider 
pump for low pressure locations. Use

short tubing runs to decrease flow 

restriction. Increase tubing diameter 
for longer distances.

Low water temperature or high total 
dissolved solids (TDS).

Increase feed water temperature or 
feed pressure to compensate.

Blocked Filters.

Replace blocked filter. 

Scaled or fouled RO membrane.

Replace membranes.

Leak or kink in product line.

Find and repair leak or kink.

Concentrate water runs 
to drain continuously.

Plugged prefilter.

Plugged prefilter Replace plugged 
prefilter. Consider sediment prefilter 

for non-chlorinated applications.

Leak in product line.

Find and repair leak. Install pressure 
gauge in product line to help identify 
a product pressure leak.

Damaged or missing flow restrictor.

Replace flow restrictor.

Poor product water 
quality.

Water sample taken during system 

flush.

Take sample after three minutes of 
continuous operation.

Low driving pressure.

Increase feed pressure. Consider 
pump for low pressure locations. Use 

short tubing runs to decrease flow 

restriction. Increase tubing diameter 
for longer distances.

Plugged prefilter.

Replace plugged prefilter. Consider 
sediment prefilter for non-chlorinated 

applications.

Scaled, fouled, or damaged RO 
membrane. 

Replace RO membranes.

Summary of Contents for CO-RO3

Page 1: ...APR2019 User Guide Food Service Reverse Osmosis Water Treatment System CO RO3 For correct operation installation it is essential to observe these instructions...

Page 2: ...Pty Ltd 2019 What s Inside Safety Guides 3 The Food Service Reverse Osmosis System 3 Before Installation 4 Tools Materials Required 4 Location of System 5 Installation 6 Care Maintenance 8 Operating C...

Page 3: ...hot or cold temperatures Temperature of the water supply to the reverse osmosis system must be between 4 C 40 F and 38 C 100 F Do not install on hot water lines All new membranes must be flushed for...

Page 4: ...ressure etc Refer to the specifications to determine if your installation is within the limits A water quality analysis can be performed to determine if incoming water requires any treatment Contact y...

Page 5: ...not exposed to freezing temperatures Do not expose unit or tubing to direct sunlight Water Supply To provide supply water to the RO system inlet a feed supply fitting is required or install pipe fitt...

Page 6: ...n 1 5 Air Gap Required Above Flood Rim Inlet white Drain Tube black RO Assembly kg cm2 psi 15 200 150 100 50 0 10 5 0 AUTO SHUT OFF IN IN OUT OUT P O W E R Outlet Holding Tank Connection optional RO M...

Page 7: ...Valve is in the OFF position 6 Rotate the Needle Valve in a counterclockwise motion until the valve is in full Bypass mode 7 Turn on the water supply slowly until the system has filled with water 8 R...

Page 8: ...es of water per day should install external filters not supplied to reduce sediment chlorine and sediment larger than 10 microns Replacement of RO Membrane Elements The functional life of the RO membr...

Page 9: ...m Operating Conditions Condition Minimum Maximum Inlet Pressure 300 kPa 875 kPa Inlet Temperature 4 C 38 C Inlet TDS 2 000 mg L Inlet Hardness 150 ppm Inlet Iron 0 mg L 0 1 mg L Inlet Manganese 0 mg L...

Page 10: ...centrate water runs to drain continuously Plugged prefilter Plugged prefilter Replace plugged prefilter Consider sediment prefilter for non chlorinated applications Leak in product line Find and repai...

Page 11: ...the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure Warranty New Zealand This warranty is given by Puretec Ltd Reg No 44643...

Page 12: ......

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