MARLO MGT 120 Installation, Operation And Maintenance Manual Download

Page: 1 / 52

MGT 60M – 600M

SYSTEM 7 – TWIN ALTERNATING

2” NXT2 SERIES

MODEL NO:

SERIAL NO:

DATE INSTALLED:

DEALER:

COMPLETE FOR FUTURE REFERENCE:

Standard Photograph

Equipment appearance may differ.

Twin system shown with skid mount option.

COMMERCIAL WATER CONDITIONER

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

8-633

Summary of Contents for MGT 120

Page 1: ...RIES MODEL NO SERIAL NO DATE INSTALLED DEALER COMPLETE FOR FUTURE REFERENCE Standard Photograph Equipment appearance may differ Twin system shown with skid mount option COMMERCIAL WATER CONDITIONER INSTALLATION OPERATION AND MAINTENANCE MANUAL 8 633 ...

Page 2: ...loading procedure Improper loading of media will damage components inside media tank PRIOR TO Media Loading AFTER Media Loading SIDE VIEW Lateral Hub Distributor Tube Media Tank Softener Filter Media Gravel Media TOP VIEW Media Tank Lateral Hub 5 272 IMPORTANT PLEASE READ Warranty of this product extends to manufacturing defects The information specifications and illustrations in this manual are b...

Page 3: ... Supply Wiring 10 Connection Piping Installation 10 OPERATION Timer Display Features 11 System Operation 12 Timer Operation 12 Start Up Procedures 14 User Mode Programming Flow Chart 15 Batch Size Calculation 16 Diagnostic Mode Flow Chart 17 Master Programming Flow Chart 18 Master Programming Guide 20 Flow Diagrams 21 Wiring Diagram 27 MAINTENANCE Powerhead Assembly 28 NXT2 Timer Assembly 30 Contr...

Page 4: ...oing warranty is exclusive and in lieu of all other expressed implied warranty except of title including but not limited to implied warranty of merchantability and fitness for particular purpose Manufacturer will not be subject to and disclaims the following 1 Any other obligations or liabilities arising out of breach of contract or out of warranty 2 Any obligations whatsoever arising from tort cl...

Page 5: ... 5 287 7 0 7 BBBBBBBBBBBBB 57 BBBBBBB 7 BBBBBBB 0 16 21 7 BBBBBBB BBBBBBB BBBBBBB 3 66 9 9 1250 26 1 7 62 7 21 9 9 287 7 62 7 21 9 9 21752 9 9 5 1 2 21752 5 127 6 3 3 1 77 1 6 7 6 2 1 7 6 1 6 5 3529 27 56 1 5 3 80 1 211 7 216 5 6 2 1 25 5 7 21 287 7 72 5 1 2 6 1625 5 1 78 1 5 232 ...

Page 6: ...18 2010 1 REVISIONS NO BY REMARKS 1 12 13 13 AJJG ADDED VACUUM RELIEF VALVES DATE RESIN TANK RT BRINE TANK BT RESIN TANK RT A A B B C C D D L W H AUTOMATIC BACKWASH FLOW CONTROLLER BY PASS VALVE NORMALLY CLOSED RAW WATER INLET 30 100 PSIG SOFT WATER OUTLET FLOW METER INLET ISOLATION VALVE OUTLET ISOLATION VALVE OVER FLOW TO DRAIN WATER INLET PRESSURE GAUGE AND SAMPLE COCK TYP WATER OUTLET PRESSURE...

Page 7: ...52 18x40 64 18 69 90 2 14x65 18x40 66 18 79 120 2 16x65 24x40 77 24 79 150 2 18x65 24x50 82 24 81 210 2 21x62 24x50 83 24 81 240 2 24x72 24x50 89 24 88 270 2 24x72 24x50 89 24 88 300 2 24x72 24x50 89 24 88 450 2 30x72 30x50 107 30 89 600 2 36x72 39x48 129 39 89 Leave a minimum 24 inch clearance to the height of the unit for loading media Dimensions are for general arrangement use only ...

Page 8: ...JECTOR CODE 3 3 4 3C 4C 5C 5C 5C 6C 6C INJECTOR COLOR YEL YEL GRN YEL GRN WHT WHT WHT RED RED MAX SALT DOSAGE MAX LBS 30 45 60 75 105 120 135 150 225 300 REFILL TIME MAX MIN 10 15 20 13 18 20 23 25 15 20 MIN SALT DOSAGE MIN LBS 12 18 24 30 42 48 54 60 90 120 REFILL TIME MIN MIN 4 6 8 5 7 8 9 10 6 8 REGENERATION WASTE VOLUME GAL 126 156 188 228 366 520 536 544 860 1020 NOTES 1 FLOW RATES Continuous...

Page 9: ...mineral tank Check to make sure that there is no damage to the riser pipe baskets laterals or hub prior to loading media NOTE A prefilter should be used on installations in which free solids are present LOCATE SOFTENER 1 Select a location that is accessible and near a floor drain that has adequate carrying capacity to handle the softener regeneration flow See specification table for the flow rate ...

Page 10: ...is completed proceed as follows 5 With the distributor riser pipe still plugged add the proper amount of resin supplied for each tank through the top opening in the tank CAUTION The softener resin is very slippery Take care when stepping on any spilled resin Remove spilled resin from standing surface immediately 6 When loading is complete remove plastic cap cork or rag that was used to plug the di...

Page 11: ...stem A duplex system also includes a tubing tee for connection from the brine tank to both control valves After connecting the tubing on both ends verify that the brine line tubing is not kinked or restricted Run flexible tubing not provided from the brine tanks over flow fitting to an appropriate non elevated open drain Using a bucket or hose fill brine tank with water to about 2 above salt platf...

Page 12: ...he back of the control and into the controller Connect the meter cable to the circuit board in the lower right as shown System 7 Twin Alternating CAT 5 CABLE UNIT 1 UNIT 2 NETWORK COMMUNICATION CABLES CONNECTIONS Use either a CAT3 or CAT5 Network Communication cable 1 Connect the network communication cable first before programming 2 The maximum cable length between timers is 100 feet 3 Connect ea...

Page 13: ...ers should be up sized to accommodate the total flow 2 Verify that the flow arrow stamped on the brass flow controller is pointing away from the control valve See installation diagram or valve manual for the location Install a drain line from backwash control assembly to an appropriate drain using a minimum of elbows Install a union near the backwash control to facilitate cleaning Do not install a...

Page 14: ...me of Day Master Indicator Status LEDs Display Screen Alternates between Date Flow Rate and Volume Remaining If a regeneration is queued displays time until regeneration Left Button Press Navigate to previous menu option Press and Hold Enter Diagnostic menu Blue LED On Unit in Service Blinking Regeneration Queued Green LED On Unit in Regeneration Blinking Unit in Standby Red LED On Error present D...

Page 15: ...il the Regeneration Lockout Input signal to the unit is cleared This requires a contact closure to activate the unit The recommended gauge wire is 16 AWG with a maximum wire length run of 50 feet REGENERATION DAY OVERRIDE FEATURE If the Day Override option is turned on and the valve reaches the set Regeneration Day Override value the Regeneration Cycle starts if no other unit is in Regeneration If...

Page 16: ...on Cycle Step 5 if active 7 Press the Extra Cycle button once more to advance the valve back to In Service NOTE A manually initiated or queued regeneration can be cleared by pressing and holding the Back button A system queued regeneration can only be cleared by stepping through a manual regeneration If regeneration occurs for any reason prior to the delayed regeneration time the manual regenera t...

Page 17: ...Slowly open the manual inlet supply valve of the unit that is in backwash Do not open the valve fully Water will enter from the bottom of the mineral tank as air is expelled from the top to the drain Full flow of water could cause loss of mineral Continue to fill slowly until all air is expelled and only water flows to the drain 9 When only water flows to the drain open the inlet valve fully and b...

Page 18: ...t Regeneration Time Press the Up and Down buttons to change the time value Holding a button down will speed through the setting Press the Extra Cycle button to proceed to the next step 4 Set Feed Water Hardness Press the Up and Down buttons to change the value of the numbers Press the Extra Cycle button to to proceed to the next number Range is 0 999 gpg After the third number is entered pressing ...

Page 19: ... 20 grains per gallon Using our equation take 300 000 20 15 000 gallons 10 Safety factor reserve capacity 1 500 gallons 15 000 gallons 1 500 gallons 13 500 gallons batch size For immediate regeneration type meter control the meter setting would be at 15 000 gallons Commonly this value is adjusted to 90 percent of the actual value in this example 13 500 gallons to assure not over running the soften...

Page 20: ...since last regeneration LAST REGEN 4 H Example Installed software version SOFTWARE VERSION 13026 Example Total number of regenerations since installation NO OF REGENS 32 Example Duration between regenerations REGEN INTERVAL 3 D 21 H Example Last time programming settings were changed LAST SETTINGS CHANGE 14 H 0 M Example Record of error events chronologically ERROR LOG ERROR LOG EMPTY SUN DAILY US...

Page 21: ...ill be displayed When regeneration has been completed the display will return to the main screen 9 If any values are changed make sure Push Settings is set to ON so the values are pushed to the other unit s Example On View settings without the ability to alter settings Off User has ability to alter settings OFF ON SETTINGS REVIEW Example English Francais Duetsch Italiano Espanol Nederlandse Portug...

Page 22: ... TYPE OFF ON CONTINUOUS FLOW DETECT Example Off Alarm Based Cycle Based Time Based Volume Based Standby OFF ALARM BASED STANDBY AUXILIARY 1 Example Off Alarm Based Cycle Based Time Based Volume Based Standby OFF ALARM BASED STANDBY AUXILIARY 2 OFF ON SAVE AS NON FACTORY Example Off Delayed Enter Code Time Based OFF DELAYED TIME BASED LOCK SETTINGS ON OFF PUSH SETTINGS END PIPE SIZE inches GENERIC ...

Page 23: ... REMOTE REGENERATION Off Off Delayed Immediate DAY OVERRIDE TIME DRIVEN 7 Off 99 Days REGEN TIME 02 00AM Any Time LOCK WINDOW 1 Off Off On LOCK WINDOW 2 Off Off On BACKWASH 10 M 0 240 Mins DRAW 60 M 0 240 Mins RAPID RINSE 10 M 0 240 Mins REFILL see data table 0 240 Mins PAUSE 0 M 0 240 Mins METER TYPE see data table Generic Paddle 0 75 1 00 1 50 2 00 3 00 Turbine 0 75 1 00 1 25 1 50 CONTINUOUS FLO...

Page 24: ... OUTLET BRINE TANK RESIN TANK DRAIN BRINE LEVEL DRAIN 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 then flows up thru the center tube around the piston and out the side outlet of the valve ...

Page 25: ...n the center tube thru the bottom distributor and up thru the mineral around the piston and out the drain line If optional no hard water by pass piston is used water flow to outlet is prevented by an extended section of the service piston which closes the outlet port from by pass water until the end of rapid rinse FLOW CONTROL INLET OUTLET BRINE TANK DRAIN BRINE LEVEL RESIN TANK BRINE VALVE ...

Page 26: ...into injector housing and down thru nozzle and orifice to draw brine from the brine tank brine flows down thru mineral and enters the center tube thru bottom distributor flows up thru center tube around the piston and out thru the drain line OUTLET BRINE VALVE FLOW CONTROL INLET BRINE TANK BRINE LEVEL RESIN TANK ...

Page 27: ...alve inlet flows up into injector housing and down thru nozzle and orifice around the piston down thru mineral enters center tube thru bottom distributor flows up thru center tube around piston and out thru the drain line BRINE VALVE FLOW CONTROL INLET OUTLET BRINE TANK BRINE LEVEL RESIN TANK DRAIN ...

Page 28: ...E POSITION Hard water flows thru the regenerating valve directly down thru the mineral into the bottom distributor and up thru the center tube around the piston and out the drain line BRINE LEVEL BRINE TANK FLOW CONTROL INLET OUTLET DRAIN BRINE VALVE RESIN TANK ...

Page 29: ... down thru the mineral Conditioned water enters the bottom distributor flows up the center tube around the piston to the outlet Hard water flows to the regenerating valve thru the injector housing and brine valve to fill the brine tank FLOW CONTROL INLET OUTLET DRAIN BRINE VALVE BRINE LEVEL RESIN TANK INLET BRINE TANK ...

Page 30: ...NANCE NXT2 WIRING DIAGRAM VDM VDM VDM IMPORTANT DO NOT USE P18 TO POWER NON PENTAIR DEVICES USE AUX1 AUX2 INSTEAD FLOW METER FM WIRING GROUND POWER SIGNAL FLECK BLACK RED GREEN SIGNET SHIELD BLACK RED CLACK BLACK RED WHITE AUTOTROL CLEAR RED BLACK ...

Page 31: ...NXT2 TWIN ALTERNATING MAINTENANCE 2900 POWERHEAD ASSEMBLY 37 35 31 41 39 32 19 7 6 30 36 32 40 27 20 38 33 22 12 21 13 44 16 14 15 14 17 16 46 25 16 16 26 1 42 23 46 2 11 4 3 5 6 7 45 10 19 32 28 29 18 6 11 43 9 8 32 24 ...

Page 32: ...molded strain relief 1 1 2 13547 strain relief ﬂat cord heyco 30 1 22 1 19121 meter cable assy 3200NT 19121 08 meter cable assy NT 35 w connector 19121 09 meter cable assy NT 99 5 w connector 19121 10 meter cable assy NT 303 5 w connector 23 1 14202 01 screw hex wsh mach 8 32 x 5 16 24 1 40941 wire harness upper drive 25 1 17421 plug 1 20 hole heyco 2733 26 2 41581 plug hole 125 dia white 27 1 602...

Page 33: ...RNATING MAINTENANCE NXT2 TIMER ASSEMBLY 2510 2750 2850 2900 3150 3900 VALVES Item No QTY 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 34: ...31 MGT 2 60M 600M NXT2 TWIN ALTERNATING MAINTENANCE 2900 CONTROL VALVE BODY 14 4 5 6 7 8 9 12 17 18 19 20 22 23 27 2 3 11 13 15 16 1 10 21 25 24 28 26 1 ...

Page 35: ...n 8 1 41131 End Plug 9 1 10909 Ppin Connecting Rod Spring 10 1 10209 Quad Ring 010 11 1 40078 O ring 28MM X 2MM 12 4 11720 Seal Piston 2900 3150 13 2 10369 Spacer 2 2900 3150 14 1 14753 Spacer 2900 15 1 14757 Piston No HWBP 2900 16 1 14818 Ring Piston Rod Snap 17 1 14758 Piston Rod 18 1 14922 O ring 035 19 1 14926 Quad ring O ring 012 20 1 14813 Connecting Link Pin 21 1 13575 O ring 240 22 1 13577...

Page 36: ...10 1 12550 Quad Ring 11 1 12748 Brine Valve Body 12 1 12552 Brine Valve Stem 13 1 12626 Brine Valve Seat 14 1 11982 O Ring 15 1 60020 25 BLFC 25GPM 60020 50 BLFC 50 GPM 60020 100 BLFC 1 0 GPM 16 2 10692 Screw Slotted Indented Hex Head 10 24 X 5 6 17 1 11893 Cap Injector SS 18 1 10229 Gasket Injector Body 19 1 10227 Screen Injector 20 1 10913 Nozzle Injector Std 21 1 10914 Injector Throat Std 22 1 ...

Page 37: ... 60M 600M NXT2 TWIN ALTERNATING MAINTENANCE 1700 Brine System Page 47 27 26 25 24 23 22 21 20 16 15 17 1 2 3 4 5 6 7 8 14 19 18 9 10 11 12 13 15 MGT 60M 600M NXT 2 METERED MAINTENANCE 1700 BRINE SYSTEM ASSEMBLY ...

Page 38: ...ne Valve Body 10 1 12550 Quad Ring Brine Stem 11 1 15310 Spring Brine Valve 12 1 10250 Retaining Ring 13 1 15517 Stem Guide 14 1 15415 Insert 15 2 15414 Nut Ferrule 1 2 16 1 15413 Elbow 17 1 15416 Brine Tube 18 2 16123 Tube Nut 1 2 19 2 16124 Ferrule 1 2 20 1 16974 Fitting Brass Female 3 4 x 3 4 Slip Not Shown 21 1 11893 Injector Cover 22 1 10229 Injector Cover Gasket 23 1 17777 Injector Body 24 1...

Page 39: ...stic Electronic 5 1 15374 Impeller Assy 2 Meter 6 1 13847 O Ring 137 Std 560CD Meter 7 14716 Meter Cap Assy ET NT 8 4 12473 Screw Hex Wsh 10 24 x 5 8 18 8 S S 9 2 40666 Seal Face 2 Plastic Meter 10 1 17987 001 Fitting Nipple 2 Plastic NPT Machined Flow Straightener 17987 101 Fitting Nipple 2 Plastic BSP Machined Flow Straightener 11 1 17987 000 Fitting Nipple 2 Plastic NPT 17987 100 Fitting Nipple...

Page 40: ...Assy 2 inch Inline Stainless Steel BSP Standard Range 1 61934 21 Meter Assy 2 inch Inline Stainless Steel BSP Extended Range 3 1 44026 Union 2 inch NPT Optional on models with electronic c ontrols 1 44027 Union 2 inch BSP Optional on models with electronic c ontrols 1 3 2 4 4 1 19791 Meter Cable Assembly 19791 02 Meter Cable Assembly 28 inch long with connector 19791 04 Meter Cable Assembly 100 in...

Page 41: ...R SETTINGS TEE GALVANIZED TEE PVC SADDLE IRON 1 213 352 1 1 4 128 177 1 1 2 94 118 2 59 67 54 2 1 2 43 38 3 27 23 K FACTOR TABLE SIGNET 2536 Pulses per Gallon ITEM NUMBER PART NUMBER DESCRIPTION 1 A2296001 Flow Sensor 2 A2456004 Rotor Paddle 3 A2294012 Tee Install 1 Galv A2294002 Tee Install 1 1 4 Galv A2294003 Tee Install 1 1 2 Galv A2294004 Tee Install 2 Galv 4 A2295001 Saddle 2 1 2 Iron A229500...

Page 42: ...ter A2100004 2 Meter With Pvc Adapter 2 A2100005 2 Turbine Meter Body Less Connections 3 A2100019 Adapter Meter 2 Npt Stainless Steel A2294002 Adapter Meter 2 Solvent Weld Pvc 4 A2095023 2 Galv Nut Not Shown A2086013 Gasket A2325003 Cable Assembly 10 A2352030 Cable Assembly 25 METER SIZE K FACTOR 1 65 2 15 K FACTOR TABLE AUTO TURBINE METER Pulses per Gallon ...

Page 43: ...he V3501 WS1 5 2 Turbine Clip ITEM NUMBER PART NUMBER DESCRIPTION QUANTITY CLACK PART NUMBER 1 A2360061 WS Remote Meter Asy 15 Ft Cord includes V3118 03 V3501 and V3105 1 V3221 2 A2100029 WS1 5 2 Turbine Asy 1 V3118 03 3 A2077178 O Ring 215 1 V3105 4 WS1 5 2 Turbine Clip 1 V3501 5 WS2 Meter NPT Housing 1 V3222 01 WS2 Meter BSPT Housing V3222BSPT 01 6a A2411018 WS2 Meter Clip 1 V3223 6b A2411021 WS...

Page 44: ...T 60 90M A2042028 2 Brine Valve Assembly 474 w Aircheck MGT 60M 90M B1179005 3 5 Grid Plate Plastic MGT 60M 90M A2284002 6 Grid Extension Plastic MGT 60M 90M A2215007 4 Slotted Brine Well 4 x 36 MGT 60M 90M A2071003 5 4 Brine Well Cap A2072003 6 1 2 Overflow Elbow w Nut A2250003 7 3 8 Tubing Kit B1227012 8 Complete Brine Tank Assembly for MGT 60M 90M A2042064 TUBING KIT ...

Page 45: ...Well MGT 120 B1015010 6 5 Red Cap plug MGT 150M 300M A2072001 Cap Brine Well 4 Inch MGT 120 A2072003 7 1 1 2 SDR or SCH40 DWV Pipe A2275007 8 1 2 Poly Insert MGT 150M 300M A2476001 Insert 3 8 Tube Brass MGT 120 A2207018 9 1 2 x 3 8 Black Poly Tubing MGT 150M 300M A2165002 Tubing 3 8 x 1 4 Black Poly MGT 120 A2165007 10 Complete Brine Tank Assembly for MGT 120M 10 Shelf Height B1295015 Complete Bri...

Page 46: ...ell B1015005 3 Brine Valve Assembly 16 1 4 x 24 B1042007 4 5 Red Cap plug A2072001 5 1 2 Overflow Elbow w Nut A2250003 6 30 Plastic Top Bottom Grid Plate A2284010 7 1 1 2 SDR or SCH40 DWV Pipe A2275007 8 1 2 Poly Insert A2476001 9 1 2 x 3 8 Black Poly Tubing A2165002 10 Complete Brine Tank Assembly for MGT 450M B1141009 4 5 1 6 3 7 8 9 2 10 BRINE SYSTEM 450M ...

Page 47: ...0 1 4 X 30 B1042006 3 Grid Support Set 39 Dia 22 B1043009 4 Salt Shelf 38 1 8 Dia B1041003 5 Salt Screen 39 Dia B1040003 6 Brine Well 5 X 48 Slotted B1015005 7 Cap Brine Well Red 5 Inch A2072001 8 Brine Tank Overflow Assembly B1233003 9 Insert 1 2 Poly P8TS6 A2476001 10 Tubing 1 2x3 8 Black Poly H1041 A2165002 11 Mgt 600m Brine Tank Assembly B1141005 7 1 6 8 2 4 5 3 9 10 11 ...

Page 48: ...13575 A2077117 Distributor O Ring 13577 PISTON ASSEMBLIES A2309054 Upper Piston 61540 A2309056 Lower Piston Hard Water By Pass 61550 A2309055 Lower Piston No Hard Water By Pass 61555 SEAL SPACER KITS A2435011 Upper Kit 61530 A2435026 Lower Kit 60128 SERVICE EQUIPMENT A2475001 Seal Spacer Stuffer Tool Upper 11098 A2475003 Seal Spacer Stuffer Tool Lower 12683 A2474001 Spacer Puller Tool Upper 13061 ...

Page 49: ... For Error Correction Error Valve Count Mismatch Number of NXT2 detected does not match selected system type in Master Programming Push correct valve settings in Master Settings Motor Stall No Changes Detected in the Optical Sensor for 6 Seconds The motor is on but no encoder pulses are detected within a given duration while homing Check the P11 connection and trigger a manual regeneration Motor R...

Page 50: ...ke Sure Distributor Tube Is Not Cracked Check O Ring And Tube Pilot G Replace Seals and Spacers And Or Piston H Check Drive Motor And Switch 3 Unit Used Too Much Salt A Improper Salt Setting B Excessive Water in Brine Tank A Check Salt Usage and Salt Set ting B See Problem No 7 4 Loss Of Water Pressure A Iron Buildup In Line To Water Con ditioner B Iron Buildup in Water Conditioner C Inlet of Cont...

Page 51: ...8 Softener Fails To Draw Brine A Drain Line Flow Control Is Plugged B Injector Is Plugged C Injector Screen Plugged D Line Pressure Is Too Low E Internal Control Leak F Service Adapter Did Not Cycle A Clean Drain Line Flow Control B Clean Injector C Clean Screen D Increase Line Pressure To 20 P S I E Change Seals Spacers and Piston Assembly F Check Drive Motor And Switches 9 Control Cycles Continu...

Page 52: ...8 633 ...

Search results

Summary of Contents for MGT 120

Reviews:

Related manuals for MGT 120

Brands by name

Popular brands

MARLO MGT 120, Installation, Operation And Maintenance Manual

Search results

Summary of Contents for MGT 120

Reviews:

Related manuals for MGT 120

Brands by name

Popular brands