3M ScaleGard HP Installation And Operation Instructions Manual - Routine Maintenance
11
Routine Maintenance
Cartridge Change-Out Instructions (Pre-Filter and RO Cartridge)
Shut-Off procedure:
HFRO 500 Cartridges will need to be changed at least every twenty four (24) months. HF90-CL-RO cartridge will need to be changed every six (6)
months.
1. Unplug system from the wall outlet, which will shutoff feedwater to RO system.
2. Open Pre-filter sample valve until flow stops and pressure gauge reaches 0 psi to relieve pressure.
HF90-CL-RO Cartridge (blue label) Replacement:
1. Remove red sanitary cap from new cartridge. Install with a quarter turn to the right until cartridge come to a complete stop.
NOTE: Cartridges are keyed to fit in proper location only.
HFRO 500 Cartridge (green label) Replacement:
1. Take out reject tubing by pushing in the collet and pulling out the tubing. (See figure 6 on back page).
2. Remove sanitary cap from new cartridge. Install with a quarter turn to the right until cartridge comes to a complete stop.
NOTE: Cartridges are keyed to fit in proper location only.
3. Place new flow control in reject tubing (supplied with cartridge).
4. Connect reject tubing to cartridge.
System Start Up
1. Turn ON the feedwater supply by plugging system into electrical outlet.
2. Press reset button on top of electrical enclosure (see Figure 5).
3. Open Pre-filter valve sample valve to vent air from system and flush for five (5) minutes.
4. Close sample valve.
WARNING
To reduce the risk associated with the ingestion of contaminants:
• Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
To reduce the risk associated with choking:
• Do not allow children under 3 years of age to have access to small parts during the installation of this product.
To reduce the risk of physical injury:
• Depressurize system as shown in manual prior to cartridge removal.
To reduce the risk of injury associated with household bleach:
•
Read and followmanufacturer’sdirectionsandcautions.•Keep out of the reach of children.•DO NOT intermix with other chemicals.
To reduce the risk associated with ingestion of water contaminated with sanitizer:
• After installation, sanitizers must be flushed from the system before first use as directed within the installation instructions (dilute bleach solution).
CAUTION
To reduce the risk associated with property damage due to water leakage:
• Protect from freezing, remove filter cartridge when temperatures are expected to drop below 40 °F (4.4 °C).
• Do not install systems in areas where ambient temperatures may go above 110 °F (43.3 °C).
• The RO cartridge MUST be replaced every twenty four (24) months, or sooner if a noticeable increase in TDS occurs.
• The disposable filter cartridges MUST be replaced every six (6) months, at the rated capacity or sooner if a noticeable reduction in flow rate occurs.
IMPORTANT NOTE:
The RO cartridges have green labels and will only fit into the head on the right side of the manifold (head has a green 3M label).
Figure 5 (Reset Button)
Reset
Button