3M 3MWTS100 Installation And Operating Instructions Manual page 8

3mwts series water softeners

Installation and operating instructions manual (24 pages)

Table of Contents

Step 1)

Remove unit from shipping box, inspect for damage and ensure all parts needed for installation are present. If parts are missing please contact

our Customer Care Team at 855-3M-WATER (855-369-2837). Remove the packing from unit and discard according to local, state and federal

regulations. Locate the parts package and install the bypass and adapter ﬁ ttings on the control valve to facilitate the connection to the customer's

water supply.

To reduce the risk associated with property damage due to water leakage:

• On plastic ﬁ ttings, never use pipe sealant or pipe dope. Use PTFE thread tape only, pipe dope properties may deteriorate plastic;

• Take care when using pliers or pipe wrenches to tighten plastic ﬁ ttings, as damage may occur if over tightening occurs.

Step 2)

NOTE: Extension legs should be installed only whenever a salt dosage on any model softener is more than 15 lbs. Models utilizing 15" x 15" x

34" brine tanks require salt grid extension legs when salting the softener above 15 lbs. of salt or more. Grid legs extension kits are provided

for 3MWTS200 units. All other models requiring extension leg kits can be ordered through our Customer Care Team at 855-3M-WATER (855-

369-2837).

Verify all packaging materials have been removed from the brine tank. On all units, legs rest on bottom of the brine tank.

Step 3)

Shut off all water at main supply valve. On a private well system, turn off power to the pump and drain the pressure tank. Make certain pressure is relieved

from the complete system by opening the faucet closest to the system.

To reduce the risk associated with property damage due to water leakage:

• SHUT OFF FUEL OR ELECTRIC POWER SUPPLY TO WATER HEATER after water is shut off.

Step 4)

Cut main supply line as required to ﬁ t plumbing to inlet and outlet of unit.

Step 5)

Attach plumbing. DO NOT apply heat to any ﬁ tting connected to bypass or control valve as damage may result to internal parts or connecting

adapters. Make certain water ﬂ ow enters through inlet and discharges through outlet.

To reduce the risk associated with a hazardous voltage:

• If the home electrical system requires use of the cold water system as an electrical safety ground, a jumper must be used to ensure a sufﬁ cient ground connection

across the water softener installation piping — refer installation to qualiﬁ ed personnel.

To reduce the risk associated with property damage due to water leakage:

• Do not apply heat to any ﬁ tting connected to bypass or control valve as damage may result to internal parts or connecting adapters.

To reduce the risk associated with property damage due to plugged water lines:

• Pay particular attention to correct orientation of control valve. Water ﬂ ow should match arrow on control valve. The Inlet and Outlet of other water treatment

equipment products will vary depending on the control valve brand used.

Step 6)

The control valve allows for either a 3/4" NPT connection or 5/8" poly tubing for use as a drain line connection.

To reduce the risk associated with property damage due to water leakage:

• On plastic ﬁ ttings, never use pipe sealant or pipe dope. Use PTFE thread tape only, pipe dope properties may deteriorate plastic;

• Take care when using pliers or pipe wrenches to tighten plastic ﬁ ttings, as damage may occur if over tightening occurs.

BRINE TANK

BRINE WELL

SAFETY BRINE

BRINE LINE

VALVE ASSEMBLY

FITTING