Page 1
MASTER Water Conditioning Corp. www.masterwater.com Installation and Operation Manual MP-MBA-45T-1/60T-1 / 75T-1 with the 268/762 Logix Control Valve July 2006...
Page 2
Table of Contents Page Topic Description Model # and Packaging Packaging Information Component Packaging Description Packaging Description MP Logix Control Valve Valve Description MP Softening System System Positioning Logix 268/762 Control Valve Attaching Valve to Tank Figure 1 & Figure 2 Service &...
Page 3
Installation and Operating Instructions for 268/762 Logix Top Mount Water Softener Model #: _______ MP-MBA-45T-1 1.5 CF Water Softener _______ MP-MBA-60T-1 2 CF Water Softener _______ MP-MBA-75T-1 2.5 CF Water Softener Shipping Carton Description / unit: # of Contents Description...
Page 4
NOTE: The Models MP-MBA-45T-1 and MP-MBA-60T-1 has been tested and certified by the Water Quality Association according to NSF/ANSI 44 for the specific performance claims as verified and substantiated by test data as follows: MP-MBA-45T-1 Rated Efficiency: 4590 Grains per pound of salt 5.25 lbs salt: 24.1 Kg Capacity...
Page 5
Logix Control Valve: 1. When facing the front of the Logix timer, the inlet connection is located on the left and the outlet connection is on the Figure 1) right. The control valve's inlet and outlet connections are either 1” copper or pvc equipped with gasket and nut. Figure 1 Install the 268 bypass valve (See Figure 2) with inlet and outlet handles facing upward.
Page 6
The drain line must be of adequate size to allow for full regeneration flow. FIGURE 3 The drain flow rate during regeneration (backwash) will be: MP-MBA-45T-1 2.5 GPM MP-MBA-60T-1 4.8 GPM MP-MBA-75T-1 4.8 GPM • The control valve drain connection is 3/4" npt.
Page 7
Untreated water from well NOTE: All Master Water Conditioners must be installed after the well tank or water meter if its public water supply. Temperature: MAX: 120 F, MIN: 34F Pressure: MAX: 100 PSI, MIN: 20 PSI...
Page 8
Electrical Requirements: Always follow all local electrical codes when installing our water treatment equipment. 1. Provide an 115v/60Hz properly grounded dedicated electrical outlet. (It’s very important that the polarity be correct) Avoid using outlets that are switch controlled. 2. Maximum amperage required is 5 amps. 3.
Page 9
Logix Control Valve Electrical Connection: Note: Do not touch the wiring harness between the Logix timer and the motor, it’s positioning is critical and therefore already installed at the factory. 1. Remove plastic control valve cover by spreading sides while lifting.
Page 10
Open the bypass inlet valve ¼ turn and allow water to flow into the mineral tank at a slow rate. Warning: IF WATER ENTERS THE TANK TOO FAST, ALL THE RESIN WILL BE FLUSHED TO DRAIN DURING START UP. 2. When water is running steadily at the drain, open the bypass valve’s inlet and outlet to their maximum position.
Page 11
2) To change the number, use the UP or DOWN arrows. 3) Press the SET button. Note: The screen will now flash between flow rate and gallons remaining until next regeneration. If water was tested by Master Water Conditioning, follow recommendations on water analysis, for hardness setting.
Page 12
Final Check: Fill the brine tank with Solar Salt and the Res-Up Feeders with Res-Up (one quart is provided). Make sure the drain line connection meets all plumbing codes and that the drain line size can handle the backwash flow rate of the softener. Make sure the Inlet and Outlet on bypass valve are open.
Troubleshooting Symptom: Water conditioner fails to regenerate. No soft water. Possible Cause Solution Power supply to 762 control has Determine reason for power been interrupted. interruption and correct. Reset time of day. Water pressure lost. Restore water pressure. For 762 series turbine failure. Clean or replace turbine.
Page 14
Symptom: Insufficient brine draw Possible Cause Solution Partially clogged injector or injector Inspect and clean injector and/or screen. injector screen assembly. Restricted flow rate in brine line. Check flow rate capabilities of the safety float/aircheck assembly. Insufficient water pressure. Increase water pressure above 25 psig (172kPa) minimum.
Page 15
Symptom: Leak to Drain Possible Cause Solution No flow control installed in drain Install drain line flow control. line. Insufficient water pressure. Increase water pressure above 25 psig (172kPa) minimum. Damaged valve disk or obstruction Inspect and if damaged, replace all in valve disk.
All defective parts shall be returned prepaid to Master Water Conditioning Corporation for inspection. Master shall not be liable for labor charges other than Master factory repairs. This warranty gives you specific legal rights, and you may have other rights which vary from state to state.
Need help?
Do you have a question about the MP-MBA-45T-1 and is the answer not in the manual?
Questions and answers