3M TSR150, STM150 User Manual
INSTR4089 1006
™
Owner’s Manual
This manual is for the installation, operation, and maintenance of the
ScaleGard™ PLUS 2
Water Treatment Systems
STM150
TSR150
Installer please leave manual with end user.
SAFETY INFORMATION
CAUTION
WARNING
Read, understand, and follow all safety information contained in these instructions prior to
installation and use of the CUNO Foodservice STM150/TSR150 ScaleGard™ PLUS 2 Water
Treatment Systems. Retain these instructions for future reference.
Intended use:
The CUNO Foodservice STM150/TSR150 ScaleGard PLUS 2 water treatment systems are intended for use in
fi ltering and scale reductions for water used in coffee and espresso equipment, steam kettles and tables, combis,
electric and gas steamers, misters or other similar equipment, and have not been evaluated for other uses. The
system is typically installed near where treated water is desired, and must be installed as specifi ed in the instal-
lation instructions.
EXPLANATION OF SIGNAL WORD CONSEQUENCES
Indicates a potentially hazardous situation, which, if not avoided, could
result in death or serious injury and/or property damage.
Indicates a potentially hazardous situation, which, if not avoided, may
result in property damage.
WARNING
To reduce the risk associated with ingestion of contaminants due to use with water that is microbiologically unsafe or of unknown quality:
• Do not use with water that is microbiologically unsafe or of unknown quality without adequate disin-
fection before or after the system.
T o reduce the risk associated with hazardous voltage due to damage of the transformer/power supply:
• Do not use the ScaleGard system if the transformer/power supply is damaged — contact qualifi ed
service personnel for repair.
T o reduce the risk associated with hazardous voltage due to an installer drilling through existing
electric wiring or water pipes in the area of installation:
• Do not install near electric wiring or piping which may be in path of a drilling tool when selecting the
position to mount the fi lter bracket.
T o reduce the risk associated with back strain due to the heavy weight of the system:
• Follow safe lifting procedures.
CAUTION
To reduce the risk associated with property damage due to water leakage:
• Read and follow Use Instructions before installation and use of this system.
• Install on cold water lines only.
• Installation must comply with existing state or local plumbing codes;
• Do not use a torch or other high temperature sources near fi lter system or cartridges;
• Protect from freezing. Drain fi lter when room temperature drops below 40°F (4.4°C);
• Do not install on systems where line pressures above 65 psi (448 kPa) may occur. Line water pres-
sure in excess of 65 psi will require installation of a pressure regulator prior to the unit;
• Shut off inlet water supply and depressurize system as shown in manual when changing cartridges or
servicing;
• The fi lter must be installed with the inlet and outlet ports as labeled. Make sure not to reverse connections;
• Do not install near water pipes which will be in path of a drilling tool when selecting the position to mount
the bracket;
• Mount the system in such a position as to prevent it from being struck by other items used in the area
of installation.
IMPORTANT NOTES
• Allow minimum of 3” (7.62 cm) clear space under [the assembly] to facilitate cartridge changes;
• All components should be accessible and have at least 6” (15 cm) of clearance on all sides of the
system to facilitate servicing.
Contents
Installation Requirements
Space Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Feedwater Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Water Production Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Operating Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Additional Plumbing Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation Procedure
Positioning Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Wall Mounting the Filter System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Feedwater Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Drain Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Automatic Bypass Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Storage Tank Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Point of Use Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Routine Maintenance
De-pressurization Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Sediment Prefilter Cartridge Replacement. . . . . . . . . . . . . . . . . . . . . . . . 7
Chlorine Filter Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
TDS Reduction Filter Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Hardness Filter Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Ion Media Filter Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Restarting and Purging the RO System. . . . . . . . . . . . . . . . . . . . . . . . . . 8
‘Push-In’ Tubing Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installation Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
System Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Space
Requirement
11”
(27.9 cm)
7 3/4”
(19.7 cm)
16 11/16”
(42.4 cm)
ScaleGard Plus 2 - Estimated Water Production
Important: Installation Requirements
CAUTION
To reduce the risk associated with property damage due to water
leakage:
• Installation must comply with existing state or local plumbing codes;
• Read and follow Use Instructions before installation and use of this
system.
Congratulations on your purchase of the CUNO Foodservice ScaleGard
PLUS 2 water treatment system. The ScaleGard PLUS 2 systems utilize
some of the world’s most advanced scale and corrosion control technologies in a compact, highly efficient package.
The ScaleGard PLUS 2 system is designed for food service equipment
with low water draw such as steam kettles and tables, combis, electric
and gas steamers, misters or other applications, where water consumption does not exceed 6 gph (22.7 lph) continuous. See estimated water
production chart below.
The ScaleGard PLUS 2 STM150 is recommended where a minimal
TDS level is required for proper equipment operation. The ScaleGard
PLUS 2 TSR150 is recommended for applications where zero hardness
is required such as proofing ovens, flash steamers, injection steamers
and misters.
Before beginning the installation, take a few minutes to familiarize yourself with the system by reviewing the entire installation, operating and
maintenance manual. It is also important to review the criteria below
to make sure that the requirements have been or will be met when the
installation is complete. Be sure to confirm that the feedwater falls within
the limits shown below. If you’re not sure if this has been done, check
with your distributor before installing the system. This is important
because failures caused by water related problems are not covered
under the system warranty.
Installation must comply with state and local plumbing requirements.
Feedwater Parameters:
Feed TDS . . . . . . . . . . . . . . . .Up to 2000 ppm (mg/L)
Hardness* . . . . . . . . . . . . . . . .< 10 grains (171 mg/L)
Iron (Fe) . . . . . . . . . . . . . . . . . .< 0.1 mg/L
Hydrogen Sulfide . . . . . . . . . . .none allowable
Feed pH . . . . . . . . . . . . . . . . . .4-11
Free chlorine . . . . . . . . . . . . . .< 2 mg/L
Manganese(Mn) . . . . . . . . . . .< 0.05 mg/L
Turbidity . . . . . . . . . . . . . . . . . .< 5 NTU
* Note: For waters over 10 grain hard, a CUNO water softener is recommended
for pretreatment. Consult CUNO technical services for correct sizing.
Electrical Requirements:
Confirm that transformer is compatible with available electrical power
supply.
™
Water Production (Gallons Per Hour/Liters Per Hour)
Feedwater Temperature (°F/°C)
3
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