MARLO MGT 360M-2 Installation, Operation And Maintenance Manual

Commercial water conditioner, system 14 – demand 2” nxt2 series

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SYSTEM 14 – DEMAND

COMMERCIAL WATER CONDITIONER

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

COMPLETE FOR FUTURE REFERENCE:

MODEL NO: MGT-360-2 Tri Pro NXT2

SERIAL NO:

DATE INSTALLED:

DEALER:

8-635

MGT 360M – 2

2" NXT2 SERIES

Standard Photograph

Equipment appearance may differ.

Twin system shown with skid mount option.

JOB # CM-220155-01

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Summary of Contents for MARLO MGT 360M-2

Page 1 MGT 360M – 2 SYSTEM 14 – DEMAND 2” NXT2 SERIES Standard Photograph Equipment appearance may differ. Twin system shown with skid mount option. COMMERCIAL WATER CONDITIONER INSTALLATION, OPERATION, AND MAINTENANCE MANUAL JOB # CM-220155-01 COMPLETE FOR FUTURE REFERENCE: MODEL NO: MGT-360-2 Tri Pro NXT2 SERIAL NO: DATE INSTALLED: DEALER:...
Page 2 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND AFTER PRIOR TO Inspection Requirement Media Loading Media Loading Prior to Loading Media 1. Inspect condition of upper distributor piping. Verify ﬁttings are tight and positioned as shown. 2. Inspect condition of strainers, laterals and hub through top or side access ports.
Page 3 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND TABLE OF CONTENTS SYSTEM INFORMATION Product Warranty ................................1 General Arrangement Drawings ............................2 Dimension Chart ................................6 Specification Chart ...............................7 INSTALLATION General Information ...............................8 Loading Softener ................................9 Mounting Control Valve ..............................9 Brine Tank Installation ..............................10 Mounting Water Meter ..............................
Page 4 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND SYSTEM INFORMATION COMMERCIAL AND INDUSTRIAL PRODUCT WARRANTY Manufacturer warrants all commercial and industrial water treatment products manufactured and/or distributed by it to be free from defects in materials and workmanship for a period of one (1) year after installation or eighteen (18) months from the date of shipment, whichever comes first.
Page 5 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND SYSTEM INFORMATION 5-232...
Page 6 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND SYSTEM INFORMATION...
Page 7 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND SYSTEM INFORMATION 5-232...
Page 8 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND SYSTEM INFORMATION...
Page 9 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND SYSTEM INFORMATION DIMENSION CHART TANK SIZE INLET SIZE LENGTH WIDTH HEIGHT* MODEL SOFTENER BRINE (Inches) (Inches) (Inches) (Inches) (Inches) (Inches) 12x52 18x40 14x65 18x40 16x65 24x40 18x65 24x50 21x62 24x50 24x72 24x50 24x72 24x50 24x72 24x50...
Page 10 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND SYSTEM INFORMATION SPECIFICATION CHART MODEL VALVE SIZE (IN) MAX CAPACITY (KILOGRAINS) MIN CAPACITY (KILOGRAINS) CONTINUOUS FLOWRATE (GPM) PEAK FLOWRATE (GPM) BACKWASH & FAST FLUSH (GPM) BRINE DRAW & RINSE (GPM) BRINE TANK REFILL (GPM) BACKWASH &...
Page 11 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND INSTALLATION INSTALLATION INSTRUCTIONS WATER SOFTENERS GENERAL INFORMATION 1. Operating pressure range is 30-100 psi. If pressures over 100 psi are encountered, a regulator must be installed. NOTE: The control valve will not operate correctly if feeding into an atmospheric tank. A pressure control device must be added to the outlet to maintain the minimum pressure.
Page 12 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND INSTALLATION LOAD SOFTENER TANK IMPORTANT: Be sure to visually inspect the lower laterals prior to loading the media. Check to make sure each lateral is firmly threaded into the hub. 1. Fill a tank approximately 1/3 full of water using a hose, bucket, etc. Plug the PVC distributor manifold pipe using a plastic cap, cork, rag, etc.
Page 13 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND INSTALLATION BRINE TANK INSTALLATION The brine tank should be installed on a smooth level surface. If none is available, the tank should be placed on a smooth piece of exterior plywood and leveled by placing shims underneath the plywood. Make sure that the salt shelf inside the tank is level and that the brine well is near to vertical as possible.
Page 14 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND INSTALLATION MOUNTING WATER METER ASSEMBLY (IF UNIT IS NOT SKID MOUNTED) 1. Locate the meter. The meter may or many not have the cable attached. If not, locate the cable as well. 2. For twin/triple parallel/progressive systems, the meter must be installed in the common outlet of the softeners. Refer to the General Arrangement drawing on page two (2).
Page 15 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND INSTALLATION POWER SUPPLY INSTALLATION NOTE: POWER SUPPLY INCLUDES A HARNESS WITH 2 BLACK WIRES THAT CONNECT TO THE CIRCUIT BOARD. 1. Insert black and black transformer wires into 24VDC input of control. 2510/2750/2815/2850/2900 Valves: Communication Cables Hinge Mount: mount per valve model noted Wire Harness...
Page 16 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION TIMER DISPLAY FEATURES System Network Status Master Valve Flow Time Number Indicator State Indicator LEDs Indicator of Day Display Screen Blue LED Alternates between On - Unit in Service Date, Flow Rate, and Blinking - Regeneration Queued Volume Remaining (If a regeneration is...
Page 17 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION SYSTEM OPERATION System 14 (2-8 Units) Demand Recall Meter input is required on each tank. Unit #1 will begin In Service with #2, #3, and #4 (if installed) will begin in Stand- by.
Page 18 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION SYSTEM OPERATION IN SERVICE • The system operates as part of a multi-valve regeneration system. • Each valve in the system will have an active flow meter input, even in stand by. •...
Page 19 FLOW IN A FOUR-UNIT SYTEM MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND (SYSTEM 14-DEMAND RECALL) OPERATION Steady Flow: FLOW IN A FOUR-UNIT SYSTEM (SYSTEM 14 DEMAND RECALL) In Service In Service Standby Standby Volume Volume Remaining = 0 Remaining = 0 Flow Stays Steady: Regeneration Standby...
Page 20 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION TIMER OPERATION SETTING THE TIME OF DAY NOTE: Set Time of Day on any unit and the rest of the units in the system will update the Time of Day automatically. 1. Press and hold the Up button for 2 seconds. The “Time” value is displayed. Press the Up or Down buttons to adjust as desired. 2.
Page 21 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION START-UP PROCEDURES Again, make sure all plumbing is complete and tight, including drain line and brine line. Make sure all electrical components, including the communication cables (multi tank systems only) are properly installed and connected. 1.
Page 22 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION USER MODE PROGRAMMING FLOW CHART 1. To navigate, press the Extra Cycle button to advance to the next value. Press the Left button to retreat to the previous value. 2. Where applicable, use the Up and Down buttons to adjust a value as desired. 3.
Page 23 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION BATCH SIZE CALCULATION Batch size is the term used for the amount of water being softened by the water softener between regenerations. The NXT2 controller calculates this value automatically based on the values in the program. This is a simple calculation provided two pieces of information are known: Capacity of the water softener in grains (gr.) (i.e.
Page 24 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION DIAGNOSTIC MODE FLOW CHART Entering Diagnostic Mode: 1. Press and hold the Left button to enter Diagnostic Programming mode. Example: ERROR LOG 2. To navigate, press the Extra Cycle button to advance to the next ERROR LOG EMPTY Record of error events chronologically.
Page 25 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION MASTER PROGRAMMING MODE FLOW CHART NOTE: Depending on current option settings, some displays cannot be viewed or set. Master Programming Mode: 1. Press and hold the Left and Down buttons simultaneously for 3 seconds to enter Master Programming mode.
Page 26 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION MASTER PROGRAMMING MODE FLOW CHART Example: LOCK WINDOW #1 Start Lock Window End Lock Window BACKWASH Example: 10 M Range: 0 - 240 M DRAW Example: 60 M Range: 0 - 240 M RAPID RINSE Example: 10 M...
Page 27 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION MASTER PROGRAMMING - TWIN ALTERNATING (SYSTEM 7) STEP FACTORY SETTING RANGE SETTINGS REVIEW On-Off English, Francais, Deutsch, Italiano, Espanol, Nederlands, Portugues LANGUAGE ENGLISH ASSISTANCE NAME 1 ENTERED BY DEALER ASSISTANCE NAME 2 ENTERED BY DEALER ASSISTANCE PHONE ENTERED BY DEALER...
Page 28 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION SERVICE POSITION BRINE VALVE FLOW CONTROL DRAIN DRAIN INLET BRINE OUTLET LEVEL RESIN BRINE TANK TANK Hard water enters unit at valve inlet and flows down thru the mineral in the mineral tank. Conditioned water enters center tube thru the bottom distributor —...
Page 29 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION BACKWASH POSITION BRINE VALVE FLOW CONTROL DRAIN INLET OUTLET BRINE LEVEL RESIN BRINE TANK TANK Hard water enters unit at valve inlet — flows to the front passage and up through the front passage to regenerating valve —...
Page 30 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION BRINE POSITION BRINE VALVE FLOW CONTROL INLET OUTLET BRINE LEVEL RESIN BRINE TANK TANK Hard water enters unit at valve inlet — flows up into injector housing and down thru nozzle and orifice to draw brine from the brine tank —...
Page 31 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION SLOW RINSE POSITION BRINE VALVE FLOW CONTROL DRAIN INLET OUTLET BRINE LEVEL BRINE RESIN TANK TANK Hard water enters unit at valve inlet — flows up into injector housing and down thru nozzle and orifice — around the piston —...
Page 32 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION RAPID RINSE POSITION BRINE VALVE FLOW CONTROL DRAIN INLET OUTLET BRINE LEVEL BRINE RESIN TANK TANK Hard water flows thru the regenerating valve directly down thru the mineral into the bottom distributor and up thru the center tube —...
Page 33 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND OPERATION BRINE TANK FILL POSITION BRINE VALVE FLOW CONTROL DRAIN INLET INLET OUTLET BRINE LEVEL BRINE RESIN TANK TANK Hard water flows thru the service valve and down thru the mineral. Conditioned water enters the bottom distributor — flows up the center tube around the piston to the outlet.
Page 34 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE NXT2 WIRING DIAGRAM FLOW METER (FM) WIRING GROUND ( - ) POWER ( + ) SIGNAL FLECK BLACK GREEN SIGNET SHIELD BLACK CLACK BLACK WHITE AUTOTROL CLEAR BLACK...
Page 35 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE 2900 POWERHEAD ASSEMBLY...
Page 36 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE 2900 POWERHEAD PARTS LIST Item No. Quantity Part No. Description 1 ....1 ....18697-15 ....backplate, hinged 2 ....1 ....60219-02 ....cover assy, environmental, black 3 ....1 ....60160-10 ....drive cam assy, stf, black 4 ....
Page 37 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE NXT2 TIMER ASSEMBLY (2510, 2750, 2850, 2900, 3150 & 3900 VALVES) Item No. Part No. Description 1 ......1 .....62115 .....Timer Assy, NXT2 Service Assemblies 2 ......1 ....62120 .....Control Panel Assy, NXT2, Programmed 3 ......1......40941 .....Wire Harness, Upper Drive...
Page 38 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE 2900 CONTROL VALVE BODY...
Page 39 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE 2900 CONTROL VALVE PARTS LIST Item No. Quantity Part No. Description 1 ... 1 ... 41428 ....Valve Body, 2900 CPI, Machined 1 .
Page 40 MAINTENANCE MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND 1600 Brine System MAINTENANCE 1600 BRINE SYSTEM Item No. Quantity Part No. Description 1 ... . 1... . . 10328 ....90° Elbow - ¼ Pipe Thd. to 3/8” Tube 2 .
Page 41 MGT 60M–600M NXT 2” METERED MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE MAINTENANCE 1700 Brine System 1700 BRINE SYSTEM ASSEMBLY Page 47...
Page 42 MGT 60M–600M NXT 2” METERED MAINTENANCE MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE 1700 Brine System Parts List 1700 BRINE SYSTEM PARTS LIST Item No. Quantity Part No. Description 1 ... 1 ... 14792 ....End Plug 2 .
Page 43 MGT 60M–600M NXT 2” METERED MAINTENANCE MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE 2” Plastic Paddle Meter 2” PLASTIC PADDLE METER Item No. Quantity Part No. Description 1 ....1 ....17689 ....Body, Meter, 2” Plastic w/Impeller Shaft Seat 2 ....
Page 44 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE 2” STAINLESS STEEL METER ASSEMBLY Item No. Part No. Description Item No. Part No. Description 1....1 ..62048-01 ....Service Kit, 2 inch Meter, 4....1 ..19791 ....Meter Cable Assembly, Standard Range ..19791-02 ....Meter Cable Assembly, 1 ..
Page 45 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE 2536 SIGNET FLOW SENSOR Galvanized Iron Threaded Tee with NPT Threads PVDF Insert Iron Strap-on Saddle with PVDF Insert K-FACTOR TABLE - SIGNET 2536 (Pulses per Gallon) GENERIC FLOW METER SETTINGS PIPE SIZE SADDLE (inches)
Page 46 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE AUTOTROL 2” TURBINE METER K-FACTOR TABLE AUTO TURBINE METER (Pulses per Gallon) METER SIZE K-FACTOR ITEM NUMBER PART NUMBER DESCRIPTION A2100019 2” Meter With Stainless Steel Adapter A2100004 2” Meter With Pvc Adapter A2100005 2”...
Page 47 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE CLACK 2” TURBINE METER V3050 WS2 2” Meter NPT Assembly and V3050BSPT WS2 2” Meter BSPT Assembly Service or replac 1. Removing ben of the retaining c 2. Service or repl B indicates BSPT Turbine Assembl N indicates NPT turbine shaft.
Page 48 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE BRINE SYSTEM - MGT 60M-90M TUBING KIT Item Part Description Number Number Brine Tank 18”x40” Black Molded Cover - MGT 60 - 90M A2042028 Brine Valve Assembly 474 w/ Aircheck - MGT 60M - 90M B1179005 5”...
Page 49 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE BRINE SYSTEM - MGT 120M-300M Item Description Part Number Number Brine Tank 24” x 41” w/ Holes - MGT 120M B1002039 Brine Tank 24”x50” w/ Holes - MGT 150M-300M B1002016 24” Diameter 5BW Plastic Grid Plate A2284007 Brine Valve (474) for MGT 120 B1180014...
Page 50 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE BRINE SYSTEM - 450M Item Description Part Number Number Brine Tank 30” x 50” w/ Holes - MGT 450M B1002041 5” x 48” Drilled Brine Well B1015005 Brine Valve Assembly 16-1/4” x 24” B1042007 5”...
Page 51 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE BRINE SYSTEM - MGT 600M 4&5 Item Description Part Number Number Tank Brine 39 X 60 Black Mld Cvr B1002010 Brine Valve Assy 10-1/4 X 30 B1042006 Grid Support Set 39 Dia 22” B1043009 Salt Shelf 38-1/8 Dia.
Page 52 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE SERVICE ASSEMBLIES AUXILARY MICRO SWITCH A2154001 Valve/RO Lockout (10218) A2154003 Homing Switch (10896) BRINE VALVES B1042012 Model 16006Brine Valve Assy. - 1GGPM (60029&60020-100) A2254002 Model 1600 Brine Valve Assy. - 2 GPM (60034-20) A2254003 Model 1600 Brine Valve Assy.
Page 53 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE TROUBLESHOOTING DETECTED ERRORS NOTE: It can take up to 30 seconds for an error to be detected and displayed. All errors on each timer in the system must be displayed before the errors can be corrected. If a communication error is detected, an Error Screen will appear.
Page 54 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE TROUBLESHOOTING 2900 VALVE PROBLEM CAUSE CORRECTION Softener Fails To Regenerate. A. Electrical Service To Unit Has A. Assure Permanent Electrical Ser- Been Interrupted. vice (Check Fuse, Plug, Pull Chain or Switch). B. Timer Is Defective. B.
Page 55 MGT 2” 60M–600M NXT2 SYSTEM 14 DEMAND MAINTENANCE TROUBLESHOOTING 2900 VALVE (CONTINUED) PROBLEM CAUSE CORRECTION 7. Excessive Water In Brine Tank. A. Plugged Drain Line Flow Control. A. Clean Flow Control. B. Plugged Injector System. B. Clean Injector and Screen. C.
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