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RC: Replaceable Main Cartridge
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Reverse Osmosis Water Purification System
(Model RO)

Installation

  1. Installation of this model is similar to the undersink models.
  2. Please pay attention to the connection of every part, especially the ones for the drain pipes.
  3. The parts for the drain pipes should be put on the vertical section of the drain pipe.
  4. After the installation of the system, wash the cartridge and parts.
  5. Turn off the water storage tank and then turn on the newly-installed faucet. Turn on the cold water and let it flow into the new system for a few minutes. Purified water should start dripping out from the faucet. Let it drip for an hour.
  6. Turn on the water storage tank and turn off the faucet. After 6 to 8 hours, the tank should be filled with purified water. Turn on faucet and drain out all the water from this first tank.
  7. Turn off faucet and let purified water to fill the storage tank again. Now the water from the faucet is ready for use.

Trouble Shooting
Problem Possible Cause Solution
Low pressure at the faucet In-line carbon post filter is plugged Replace post filter
Air pre-charge in tank is too low Empty water from tank and with the faucet open, adjust air pressure to 5-10 psi
Holding tank valve is closed Open valve
Heavy water use - tank is depleted Allow holding tank to refill. May need to upgrade to larger tank
Low water production See "Low quantity of product water" section
High Total Dissolved Solids (TDS) in product water Clogged sediment prefilter(s) or carbon filter Replace cartridges
Low water pressure - must be at least 40 psi. Add booster pump
Membrane O-ring is crimped Check O-ring
Membrane brine seal is crimped Check brine seal - do not touch membrane
Membrane is expended Replace membrane
No drain flow Clear or replace drain flow restrictor
The Automatic Shut-Off (ASO) is not closing. Replace ASO
New carbon pre/post filter(s) are not completely rinsed Flush with 2 full tanks of product water
High Total Dissolved Solids (TDS) in product water (cont'd) The feed water TDS has increased An increase in feed water TDS will give a corresponding increase in product water TDS
Low quantity of product water from tank Saddle valve is plugged or closed Try turning valve all the way closed (to re-pierce) and then open all the way
Clogged sediment prefilter(s) Change filters.
Low water pressure - must be at least 40 psi Add booster pump
Membrane fouled Replace membrane
Plugged carbon post filter Replace filter
Tank air pressure pre-charge is too high (can be caused by high elevations), or too low Empty water from tank and with faucet open, adjust to 5-10 psi
Air bladder in tank is ruptured Replace tank
Tank shut-off valve is closed Open valve
No drain flow Clear or replace drain flow restrictor
The check valve is stuck Clean check valve
The Automatic Shut-Off (ASO) is not closing. Replace ASO
Bad taste in product water The carbon post filter is exhausted Replace filter

Maintenance

We offer comprehensive service package for the system, including labour and material in replacing cartridge, testing water, etc. The annual cost is only C$132.