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MGT 15M – 30M
SINGLE METERED 3/4" SXT SERIES
COMMERCIAL WATER CONDITIONER
COMPLETE FOR FUTURE REFERENCE:
MODEL NO:
SERIAL NO:
DATE INSTALLED:
DEALER:
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
SYSTEM 4
MODELS FROM JULY 2014
Marlo Incorporated
2227 South Street
P.O. Box 044170
Racine, WI 53404-7003
Ph. (262) 681-1300
Fax (262) 681-1318
Info@Marlo-Inc.com
www.Marlo-Inc.com
8-611
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Summary of Contents for MARLO SXT Series
- Page 1 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL MGT 15M – 30M SINGLE METERED 3/4” SXT SERIES SYSTEM 4 COMMERCIAL WATER CONDITIONER MODELS FROM JULY 2014 Marlo Incorporated COMPLETE FOR FUTURE REFERENCE: 2227 South Street P.O. Box 044170 MODEL NO: Racine, WI 53404-7003 SERIAL NO: Ph.
- Page 2 Refer to installation instructions for media loading procedure. Improper loading of media will damage components inside media tank. Softener/ Media Tank Filter Media VIEW Media Tank Lateral Distributor Tube Lateral Gravel Media 5-272 Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
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Page 3: Table Of Contents
Wiring Diagram ................................24 Timer Assemblies ................................25 Powerhead Assembly ..............................26 Control Valve Assembly ...............................27 Turbine Meter ................................29 Brine Injector Assemblies ............................30 Bypass Valve Assembly ...............................31 Brine Tank Assemblies ...............................32 Service Assemblies ..............................33 Troubleshooting ................................34 Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... - Page 4 Any damage, discrepancies and/or freight claims must be made immedi- orders must include Marlo Incorporated part numbers and pricing. ately and directly, in writing within ten (10) days to Marlo Incorporated. Marlo Purchase orders must also state if partial shipments are allowed. If you do Incorporated will help as much as possible in settling claims.
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Page 5: System Information
MGT 15 – 30 3/4” SXT SINGLE SYSTEM INFORMATION Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... - Page 6 MGT 15 – 30 3/4” SXT SINGLE SYSTEM INFORMATION Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
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Page 7: Dimensional Data
(Inches) (Inches) (Inches) (Inches) (Inches) 7x44 18x33 9x48 18x33 *Leave a minimum 24 inch clearance to the height of the unit for loading media. Dimensions are for general arrangement use only. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 8: Specification Table
Maximum 15 lbs./cu.ft. - Regeneration efficiency: 2,000 grains/pound of salt (factory setting) Maximum 6 lbs./cu.ft. - Regeneration efficiency: 3,000 grains/pound of salt 4. REGENERATION WASTE VOLUME - Total gallons water discharged per regeneration Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 9: Aux Switch (Optional)
The switch is normally closed during service and normally open during regeneration. TERMINAL BLOCK AUX SWITCH DRY CONTACT STATUS STEP OPEN CLOSED 20-21 20-22 SERVICE 20-22 20-21 BACKWASH/ / REGENERATION Contact Rating: 220 VAC Max. / 2.0 AMP Max. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... - Page 10 MGT 15 – 30 3/4” SXT SINGLE SYSTEM INFORMATION AUX SWITCH (OPTIONAL) Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
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Page 11: Installation
Note: The distance between the softener and brine tanks will affect the brine injector performance, as the distance increases the injector performance decreases. This may cause an inadequate regeneration. 4. A grounded electric receptacle is required for the control valves. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 12: Loading Softener
7. When loading is complete, remove plastic cap, cork, or rag that was used to plug the distributor riser pipe. Be careful not to let any foreign debris fall into the pipe. The result could be damage to system. 8. Repeat instruction steps 1-7 for each softener tank (if applicable). Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 13: Mounting Control Valve
3. Connect the brine line tubing to the softener(s) and to the brine tank. Verify that the brine line tubing is not kinked or restricted. 4. Run flexible tubing from the brine tank over flow fitting to an appropriate, non-elevated, open drain. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 14: Operation
14. Use the test kit provided to check water for softness. Check the water hardness daily the first week in order to establish how often the softener should be regenerated. approximately 5 minutes. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 15: Timer Features
“----”. Once the valve reaches the cycle step, the display will stop flashing and the data display will change to the time remaining. During regeneration, the user can force the control to advance to the next cycle step immediately by pressing the extra cycle button. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 16: Controller Operation
A Time Clock Delayed Control regenerates the system on a timed interval. The control will initiate a regeneration cycle at the programmed regeneration time when the number of days since the last regeneration equals the regeneration day override value. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... - Page 17 If the treated water output is important and power inter- ruptions are expected, the system should be setup with a sufficient reserve capacity to compensate for regeneration delays. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
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Page 18: Master Programming Chart
The timer will discard any changes and exit Master Programming Mode if any button is not pressed for sixty seconds. BF Setting: Refer to specification table for recommended cycle times by model #. CAUTION: Before entering Master Programming, please contact your local professional water dealer. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 19: Master Programming Mode
This option setting is identified by “CT” in the upper left hand corner of the screen. There are four possible settings: Meter Delayed: Meter Immediate: Time Clock: Day of Week: Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... - Page 20 Use the Up and Down buttons to adjust the value as needed. CAUTION: Before entering Master Programming, please contact your local professional water dealer. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
- Page 21 This option setting is identified by “DO” in the upper left hand corner of the screen. Use the Up and Down buttons to adjust the value as needed. CAUTION: Before entering Master Programming, please contact your local professional water dealer. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
- Page 22 Week controls. This setting is identified by “CD” in the upper left-hand corner of the screen. Use the Up and Down buttons to select from Day 1 through Day 7. CAUTION: Before entering Master Programming, please contact your local professional water dealer. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
- Page 23 Note: Make sure to select the proper K-factor for the fitting and pipe size of your system. 18. Press the Extra Cycle button to save all settings and exit Master Programming Mode. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
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Page 24: User Programming Mode
6. Press the Extra Cycle button. Use this display to set the Current Day of the Week. This option setting is identified by “CD” in the upper left hand corner of the screen. 7. Press the Extra Cycle button to end User Programming Mode. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 25: Diagnostic Programming Mode
5. Press the UP button. Use this display to view the Volume Used since the last regeneration cycle. This option setting is identified by “VU” in the upper left hand corner of the screen. CAUTION: Before entering Master Programming, please contact your local professional water dealer. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... - Page 26 7. Press the Up button. Use this display to view the Software Version. This option setting is identified by “SV” in the upper left hand corner of the screen. 8. Press the Extra Cycle button to end Diagnostic Programming Mode. CAUTION: Before entering Master Programming, please contact your local professional water dealer. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
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Page 27: Wiring Diagram
MGT 15 – 30 3/4” SXT SINGLE MAINTENANCE 2510 SXT WIRING DIAGRAM 2510SXT WIRING DIAGRAM 42741 Rev B Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 28: Timer Assemblies
9A .....1 ..19889 ....Housing, Circuit Board 9B .....1 ..42196 ....Circuit Board, SXT 9C .....1 ..42635-01 ...Cover, Front, SXT, Square 9D .....1 ..42637 ....Label, Display, SXT 9E .....1 ..42864 ....Wire Harness, SXT Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 29: Powerhead Assembly
13 ....2 ..10300 ....Screw, Hx Wash Head, 8 x 3/8 20 IN-LBS ±20% 14 ....1 ..SXT ....Timer Assy 15 ....1 ..15806 ....Hole Plug, (HeyCo) *Call your distributor for Part Number Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com 10 • JA12 Fleck 2510 & 2510 Econominder... -
Page 30: Control Valve Assembly
MGT 15 – 30 3/4” SXT SINGLE MAINTENANCE CONTROL VALVE ASSEMBLY 2510 CONTROL VALVE BODY Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... - Page 31 ..10914-1 .....Throat, Injector, #1 White ..10914-2 .....Throat, Injector, #2 Blue ..10914-3 .....Throat, Injector, #3 Yellow ..10914-4 .....Throat, Injector, #4 Green Fleck 2510 & 2510 Econominder JA12 • 13 Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
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Page 32: Turbine Meter
2 ....2 ....19569 ......Clip, Flow Meter 3 ....2 ....13314 ......Screw, Slot Ind Hex, 8-18 x .60 For Assembly Numbers, See the Back of this Manual Page 24 Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 33: Brine Injector Assemblies
1650 BRINE SYSTEM 20......60011-010 ....Brine Valve, 1650, Short Stem, 0.25 gpm ......60011-020 ....Brine Valve, 1650, Short Stem, 0.50 gpm ......60011-030 ....Brine Valve, 1650, Short Stem, 1.00 gpm Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 34: Bypass Valve Assembly
2 ....2 ..13255 ....Clip, Mounting 3 ....2 ..13314 ....Screw, Slot Ind Hex, 8-18 x .60 4B .....1 ..41027-01 ...Yoke, 3/4", NPT, Cast, Machined 5 ....1 ..60049 ....Bypass Plastic - Optional (Not Included) Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 35: Brine Tank Assemblies
Slotted Brine Well - 4” x 28” - MGT 15M-30M A2071005 4” Brine Well Cap A2118010 1/2” Overflow Elbow w/ Nut A2165007 3/8” x 1/4” Tubing Kit A2207018 Complete Brine Tank Assembly for MGT 15M-30M A2042062 Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 36: Service Assemblies
Piston Assy 1500,2510, 2750 SEAL & SPACER KITS A2435025 Seal and Spacer Kit SERVICE EQUIPMENT A2475001 Seal & Spacer stuffer tool upper A2474001 Spacer puller tool upper A2423002 Silicone, 2 oz. Tube Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... -
Page 37: Troubleshooting
Control board memory failure. Perform a Master Reset. If the error returns, do not attempt to troubleshoot this problem any further. ERROR DISPLAY EXAMPLE NOTE: Unit will flash when error exists. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com... - Page 38 B. Check For Proper Drain Rate. Control. 6. Iron In Conditioned Water. A. Fouled Mineral Bed. A. Check Backwash, Brine Draw And Brine Tank Fill. Increase Fre- quency of Regeneration. Increase Backwash Time. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
- Page 39 “clicks” when program wheel strikes regeneration stop. If it does not, replace timer. Cause could be that . . . Meter Is Not Measuring Flow. Correction: Check meter with meter checker. Phone: (262) 681-1300 • Web: www.Marlo-Inc.com • E-mail: info@marlo-inc.com...
- Page 40 2227 South Street • P.O. Box 044170 • Racine, WI 53404-7003 Ph. (262) 681-1300 • Fax (262) 681-1318 • Info@Marlo-Inc.com • www.Marlo-Inc.com 8-611...
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