3M ScaleGard HP Installation And Operation Instructions Manual - page 8
8
Plumbing Connections – tank pre-settings of 40-60 psi ([276 - 414 kPa])
1. Install feed water line to marked “Inlet” 1/2” NPT inlet connection.
2. Install RO water line from marked “Tank Outlet” to pressure tank (Sold Separately) . (Assemble and install pressure tank per instructions
provided with tank.)
3. Install RO water line from marked “Equipment Outlet” to the foodservice equipment. If connecting to Beverage/Coffee equipment then the
installation of an optional post filter is recommended.
4. Install drain line from marked “Drain Outlet” to the drain . An approved air gap must exist between the RO system reject drain line and the
drain opening to comply with state and local plumbing codes.
5. Install 1/2’ Bypass line as shown on Figure 3-Plumbing Diagram.
6. Check air pressure on the pressure tank using the valve on the tank. With the tank empty, the pressure should read between 7-18 psi (48-124
kPa). Adjust as required.
7. Plumbing connections for the ScaleGard
TM
HP reverse osmosis system is now complete.
Install cartridge per instructions below.
To complete the System Start Up procedure for the ScaleGard
TM
HP reverse osmosis system please refer to the System Start Up section in page 9.
Figure 3 — Plumbing Diagram
Bypass (Provided by Installer)
Check Valve (Provided by Installer)
1/2” NPT Feed
Water Inlet
HF90-CL-RO (Pre-Filter)
HFRO 500 (RO Membrane)
3/8” Tube Out to drain
Pre-Filter sample valve
Install kit shutoff valve
(Sold Separately)
Install kit shutoff valve
(Sold Separately)
1/2” Outlet to tank
1/2” NPT Outlet to Equipment
Tank shut off valve (Comes with Tank)
RO sample valve
BEV140/BEV160
(Post Filter-Sold Separately)
To Equipment
Legend
Provided by Installer
Installation Kit
20 Gal.
Pressure Tank
(Sold Separately)
HF90-CL-RO Cartridge (blue label) Installation:
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) Installation:
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.