MARLO MR Series User manual

MR 150–1050M
TWIN SOFTENER
WITH 400C HMI
PLC CONTROLLER
COMMERCIAL
WATER CONDITIONERS
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
MODEL NO:
SERIAL NO:
DATE INSTALLED:
DEALER:
COMPLETE FOR FUTURE REFERENCE:
Marlo Incorporated
2227 South Street
P.O. Box 044170
Racine, WI 53404-7003
www.Marlo-Inc.com
8-612 R3

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
SYSTEM INFORMATION
Please Circle and/or Fill in the Appropriate Data for Future Reference:
Softener Model: MR _____________
System Size: Single/Twin/Triple/Quad
Meter Size: ________________
Configuration: Timeclock/Twin Alt/Parallel/Progressive
Unit Capacity: ________________ Grains
Feed Water Hardness: ________________ Grains
Treated Water: ________________ Gallons/Liters
BW/Regen Time ________________ AM/PM or OFF
Additional Notes: ________________________________________________________
______________________________________________________________________
______________________________________________________________________
______________________________________________________________________
______________________________________________________________________
IMPORTANT PLEASE READ:
�Warranty of this product extends to manufacturing defects.
�The information, specifications and illustrations in this manual are based on the latest
information available at the time of printing. The manufacturer reserves the right to make
changes at any time without notice.
�This product should be installed by a plumbing professional on potable water systems only.
�This product must be installed in compliance with all local and state and municipal plumbing and
electrical codes. Permits may be required at the time of installation.
�If operating pressure exceeds 100 psi a pressure reducing valve must be installed. If operating
pressure drops below 30 psi a booster pump must be installed.
�Do not install the unit where temperatures may drop below 32°F or rise above 100°F.
�A prefilter should be used on installations in which free solids are present.
�A constant voltage of 120V/60Hz (unless otherwise specified) must be supplied to the controller
to maintain proper function.
�Union or flange fittings are recommended at the control valve's inlet, outlet, and drain
connections
�If distance of drain line is over a 10 ft. vertical or 25 ft. horizontal run, increase drain line one
pipe size over that provided on the control valve.
�Do not make a direct connection to the drain. Provide an air gap of at least four times the
diameter of the pipe to conform to sanitation codes and to permit observation of the flow.
Page 1
MR 150M–1050M PLC

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
Page 1
MR 150M–1050M PLC
TABLE OF CONTENTS
Water Treatment Product Warranty and Softener Guarantee 1
Specification 2
3
General Arrangement Drawing 4
INSTALLATION
Piping Installation ________________________________________________________________
10
9
11
OPERATION
Start Up Instructions_______________________________________________________________
13
12
_________________________________________________ __26
7
________________________________________________________ 8
9
________________________________________________________ 30
_________________________________________________________ 31
____________________________________________________________ 32
MAINTENANCE
Electrical Controls Drawings_________________________________________________________ 33
Replacement Valve Table __________________________________________________________ 39
Diaphragm Valve Repair Kits _________________________________________________________40
Signet Flow Sensor ________________________________________________________________41
Brine Assemblies __________________________________________________________________42
Troubleshooting Guides _____________________________________________________________44

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
Ordering:
Orders may be phoned, faxed, or emailed to Marlo Incorporated Purchase
orders must include Marlo Incorporated part numbers and pricing.
Purchase orders must also state if partial shipments are allowed. If you do
not have the correct part numbers, pricing, or case quantities, please con-
tact our customer service department.
Order Confirmations:
All purchase orders will be confirmed by phone, fax, or email. Any discrep-
ancies in part numbers, pricing, descriptions, or case quantities will be
listed in the order confirmation. It is the customer’s responsibility to review
the order confirmations and advise if any changes are to be made. If we
do not hear from the customer regarding the confirmation within 24 hours,
we will assume everything is correct and will invoice and ship accordingly.
Quotes & Prices:
Quotations are valid for a period of up to 45 days or for the term stated
on the quote, whichever term is shortest. We make every effort to notify
customers with price change information. However, prices are subject to
change or correction without notice. Shipping weights, dimensions and
anticipated ship dates are all approximate and subject to change.
Minimum Orders:
Minimum order accepted is $25.00, not including freight or taxes.
Taxes:
Taxes are not included. Quoted prices are exclusive of all taxes.
Purchaser shall be responsible for payment of all applicable state/local
taxes. Orders shipped within Wisconsin are subject to applicable state tax
rates unless a completed resellers card or exempt certificate is on file.
Freight:
All shipments are F.O.B. Marlo Incorporated Racine, Wisconsin, unless
otherwise specified.
Shipment:
The shipment method should be specified by the customer on the pur-
chase order; otherwise, Marlo Incorporated will choose the best method of
shipment.
Packaging:
Pricing includes packaging that is satisfactory for air, truck, or container-
ized shipment at no additional cost, unless otherwise stated. Ocean export
crating will require an additional charge.
Terms - Domestic Customers:
Terms of payment on open accounts are net 30 days from the date of
invoice, unless otherwise stated and mutually agreed upon by both par-
ties. This agreement is subject to credit approval. Terms will only be
issued to companies which reside in the United States of America. Orders
will not be shipped if any account is past due and/or until payment by
check has cleared.
Orders in excess of $60,000 will require partial payments prior to ship-
ment. A specific progress payment schedule will be stated in the quotation.
Partial payments may also be required for orders involving special engi-
neering or custom ordered items regardless of order amount.
Interest will be charged on past due accounts. Interest charges will be
calculated on the unpaid balance at 1.5% per month. All questions regard-
ing invoices and terms must be addressed with our accounting department
before invoices become due.
Unless specifically included as a separate item, prices quoted do not
include any city, county, state or federal taxes, or transportation of
merchandise.
Terms - International Customers:
All payments due are in U.S. dollars and must be made in advance by
check (must clear before shipment), money orders, wire transfer, or credit
card. Credit cards that are accepted are Visa, MasterCard, and American
Express. Irrevocable Letters of Credit are accepted with a minimum order
of $25,000.00 U.S. dollars, per order. Unless specifically included as a
separate item, prices quoted do not include any city, county, state or fed-
eral taxes, or transportation of merchandise. A deposit may be required for
special or custom ordered items.
Freight Claims:
Any damage, discrepancies and/or freight claims must be made immedi-
ately and directly, in writing within ten (10) days to Marlo Incorporated. Marlo
Incorporated will help as much as possible in settling claims. However, Marlo
Incorporated will not be held responsible for breakage or shortage after prod-
ucts are accepted by common carrier. All shipments must be inspected for
damages and counted for shortages at the time of delivery.
Order Changes:
Additions to an order may be made at no charge prior to the processing of
an order. Processing of an order typically begins within one hour of receipt
of a purchase order and is typically accomplished within one working day.
Orders cancelled after the order has been processed and sent to shipping
or engineering, will be subject to a minimum 10% cancellation fee, assum-
ing manufacturing has not commenced, and no detailed engineering or
special parts have been ordered. Additional fees may be charged depend-
ing on the level of completion of detailed engineering, manufacturing,
and/or if any special parts have been ordered.
Returns & Restocking:
A Return Goods Authorization (RGA) number must be obtained from Marlo
Incorporated before any product returns can be accepted and/or replace-
ments shipped. All returns for warranty consideration are to be shipped
prepaid and must be returned within ten (10) business days from the
RGA issuance. Returns determined to be in warranty will be replaced or
repaired and will be returned to Buyer prepaid. Products returned, other
than valid warranty claims, may be subject to a restocking charge of up to
25%. Orders shipped incorrectly by Marlo Incorporated are not subject to
restocking charges and correct items will be shipped to Buyer prepaid.
Excusable Delays:
Marlo Incorporated shall not be in default for failure to deliver or delay
in delivery arising out of causes beyond its control and without its negli-
gence, including but not limited to Acts of God or the public enemy; acts
of the Government in either its sovereign or contractual capacity; fires;
floods; epidemics; quarantine restrictions; strikes; shortages of materials
or supplies; labor disputes; freight embargoes; delays in transit; consign-
ments lost or damaged by freight agent(s); and unusually severe weather.
Warranty:
Marlo Incorporated warrants its products to be free from defects in design,
material, or workmanship for a period of 18 months from shipment date
or 12 months from installation, whichever occurs first, when said products
are installed and operated in accordance with the written instructions pro-
vided. The fiberglass reinforced polyester (FRP) resin/media tanks used
in certain products alone have an extended warranty period of five (5)
years from the shipment date. If within that period any products shall be
proven to Marlo, Inc.’s satisfaction to be defective, those products will be
replaced, or the price refunded at Marlo Inc.’s option. Marlo Inc.’s obliga-
tions or nonperformance, defective, or any damage caused by its products
or their use, and buyer’s exclusive remedy therefore, shall be limited to
product replacement or refund and shall be conditioned upon Marlo Inc.’s
receiving written notice together with a demand for such replacement or
refund:
The foregoing warranty is exclusive and in lieu of all other expressed
implied warranty (except of title) including but not limited to implied war-
ranty of merchantability and fitness for particular purpose.
Marlo Inc. 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 claims (including negli-
gence and strict liability) or arising under other theories of law with respect
to products sold or services rendered by Marlo Inc. or any undertakings,
acts, or omissions relating thereto.
3. All consequential, incidental, and contingent damages including labor
charges, back charges or handling charges are excluded from Marlo Inc.’s
warranty provisions.
Policy:
These terms and conditions may be superseded by specific provisions
provided by Marlo Incorporated. However, should any of these terms and
conditions be contrary to or inconsistent with any terms and conditions
contained in any purchase order form or other document between Marlo
Incorporated and the buyer, which is prepared by the buyer and whenever
executed, the provisions hereof shall be controlling and shall supersede
the conflicting terms and conditions which are contained in such other
document. No changes shall be made to our terms and conditions unless
prior written authorization by Marlo Incorporated
5-264
TERMS & CONDITIONS

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
SYSTEM INFORMATION
2
Page 2
SPECIFICATION NOTES
Maximum salting is 15 pounds of salt per cubic foot of resin. This setting gives the longest time
between regenerations. It has an efficiency of 2,000 grains of hardness removed per pound of
salt. The Brine tank and Regeneration timer are setup for maximum salting at the factory.
Minimum salting is 6 pounds of salt per cubic foot of resin. It has an efficiency of 3,300 grains of
hardness removed per pound of salt.
Freeboard is the distance between the surface of the resin and the top side shell of the tank.
On continuous flow rates pressure loss does not exceed 15 psig.
On peak flow rates pressure loss does not exceed 25 psig.
Minimum operating pressure is 30 psi.
Maximum operating pressure is 100 psi.
Standard units are designed to soften unheated water in the range is 35-100F.
Power requirements are 120 Volt, 60 Hertz, Single Phase, 2 amps
Salt specifications are pelletized or solar salt, 99% pure, containing less than 1% insolubles.
The Pinwheel Setting time intervals are adjustable.
Page 2
MR 150M–1050M PLC

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
SYSTEM INFORMATION
3
Page 3
SPECIFICATION TABLE
MODEL MR 150 210 300 450 600 750 900 1050
Valve Size inches
1
1 ¼ 1 ½
2
1 ¼ 1 ½
2
2 ½ 1 ½
2
2 ½
3
1 ½
2
2 ½
3
1 ½
2
2 ½
3 2
2 ½
3 2
2 ½
3 2
2 ½
3
Max 150 210 300 450 600 750 900 1050
Capacity
(Kgrains) Min 100 140 200 300 400 500 600 700
Cont’s.
32 42 45 57 41 64 80
115
68 92
140 165
63 82
120
140
72
110
140 175
90
140 160
105 150 188
95
135
173
Service
Peak
55 78 69 97 57 86
110 160
92
125 190
230
90
115 170 190
94
125 190 250 116 190 230
133 218 279
124 210 259
Backwash
& Flush 10 15 20 20 30 30 45 45
FLOW RATE (GPM)
Brine Draw
& Rinse 2.5 3.5 5 5 7 7 10 10
Pins 5 5 5 5 5 5 5 5
Backwash
Minutes 10 10 10 10 10 10 10 10
Pins 30 30 30 30 30 30 30 30
Brine Draw
& Rinse Minutes 60 60 60 60 60 60 60 60
Pins 3 3 3 3 3 3 3 3
Fast Flush
Minutes 6 6 6 6 6 6 6 6
Pins 2 2 2 2 2 2 2 2
TIMER PINWHEEL SETTINGS
Return to
Service Minutes 4 4 4 4 4 4 4 4
Size Dia x Ht
Inches 20x54 24x54 30x54 30x60 36x60 36x72 42x60 42x72
Gravel
Subfill Pounds 100 200 300 300 400 400 600 600
Resin Cubic
Feet 5 7 10 15 20 25 30 35
SOFTENER TANK
Freeboard Inches 23½ 24 26½ 20 23 26½ 19½ 25
Tank Size Dia x Ht
Inches 24X50 24x50 24x60 30x60 39x60 39x60 42x60 50x60
Code 2.0-050 3.5-075 5.0-075 5.0-075 7.0-100 7.0-100 10.0-100 10.0-100
Injector
Color Red White Blue Blue Red Red White White
Max Salt
Storage Pounds 700 600 600 1000 1900 1700 1900 2300
Max. 75 105 150 225 300 375 450 525
Salt
Dosage Min. 30 42 60 90 120 150 180 210
Max. 9 5 4 4 6 4 4 4
Regens per
Salt Refill Min. 23 14 10 11 15 11 10 10
Max. 12 19 26 26 19 26 26 19
BRINE SYSTEM
Brine Valve
Float Height Min. 3 8 9 9 8 9 9 8
Page 3
MR 150M–1050M PLC

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
SYSTEM INFORMATION
4
Page 4
MR 150M–1050M PLC
INSTALLATION

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
INSTALLATION
5
Page 4
INSTALLATION DIMENSIONS AND SPECIFICATIONS
Length
MODEL
Approx.
Height
(inches) L1
Single
L2
Twin
L3
Triple
Width
(Inches)
Brine
Pipe Size
(inches)
Drain
Pipe Size
(inches)
Pipe
Size
(inches)
MR-150-1
MR-150-1
MR-150-1
MR-150-2
72 50 88 126
29
30
30
34
1
1
1
1
2
MR-210-1
MR-210-1
MR-210-2
MR-210-2
73 54 96 138
32
32
36
37
1
1
1
2
2
MR-300-1
MR-300-2
MR-300-2
MR-300-3
76 60 108 156
38
42
43
44
1
1
2
2
3
MR-450-1
MR-450-2
MR-450-2
MR-450-3
82 66 114 162
38
42
43
44
1
1
2
2
3
MR-600-1
MR-600-2
MR-600-2
MR-600-3
89 81 135 189
44
48
49
50
1 1
1
2
2
3
MR-750-2
MR-750-2
MR-750-3 101 81 135 189
48
49
50
1 1
2
2
3
MR-900-2
MR-900-2
MR-900-3 94 90 150 218
54
55
56
1 2
2
2
3
MR-1050-2
MR-1050-2
MR-1500-3 106 98 158 218
54
55
56
1 2
2
2
*When less than 4 hours is expected between regeneration’s of a twin or triple softener, a brine tank for each
softener is required.
Page 5
MR 150M–1050M PLC
INSTALLATION

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
INSTALLATION
6
PAGE 7
SOFTENER INSTALLATION INSTRUCTIONS
GENERAL INFORMATION
Before beginning installation, thoroughly review the following instructions to familiarize yourself with
the general placement and identification of all components.
These instructions are written for a single unit installation, but they also generally apply to twin and
triple units. Refer to specific equipment layout drawing, water meter installation instruction, and
interconnecting electrical wiring diagram for your system.
Minimum operating pressure is 30 psi.
If pressure less then 30 psi is encountered, a pump must be installed.
Maximum operating pressure is 100 psi.
If pressure greater then 100 psi is encountered, a pressure regulator must be installed.
Power requirements are shown on electrical wiring diagram.
Standard units are designed to soften unheated water in the range is 35-100F.
Special valve assemblies are available to handle heated water supplies exceeding 100°F.
Consult factory if applicable.
Catalog softeners are shipped fully assembled with face piping and controllers. Care must be taken
not to damage valves or controllers during uncrating and installation.
During unpacking the brine tank miscellaneous parts are shipped inside the brine tank. These parts
include hardness test kit, injectors, extra manuals and other parts that may apply to your particular
system. Care should be taken when unpacking the brine tank.
SOFTENER LOCATION
1. Select a position near a floor drain that has adequate carrying capacity to handle the water
softener backwash rate. See the Specification Table for the backwash rate of your system.
2. Refer to your specific equipment layout drawing located on page 31 for tank locations. The
approximate dimensions required for your particular system is shown on page 4. Make sure the
softeners are placed on a level concrete surface.
Page 6
MR 150M–1050M PLC
INSTALLATION

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
INSTALLATION
7
PAGE 8
PIPING INSTALLATION
Note:
•Install the piping conforming to federal, provincial, and local codes.
•Union or flanges are recommended at the control valve's inlet, outlet, and drain connections
•To enhance the monitoring of the system's performance sample valves and pressure gauges
can be installed at the inlet and outlet piping to each control valve.
•If distance of drain line is over a 10 ft. vertical or 25 ft. horizontal run, increase drain line one
pipe size over that provided on the control valve.
•Do not make a direct connection to the drain. Provide an air gap of at least four times the
diameter of the pipe to conform to sanitation codes and to permit observation of the flow.
•It is not recommended that an overhead or a long horizontal drain run be used. The increase
of backpressure will cause problems when drawing brine.
1. Install piping as shown on the layout drawing located on page 31. Include unions and shut-off
valves on the inlet and outlet of each softener. Also, include a shut-off valve for each injector
provided with the system. It is recommended that a union be installed in each softener drain-line
to facilitate cleaning the backwash flow control.
Note: Do not reduce drain-line pipe size. Do not install a shut off valve in the drain-line. Provide
an air gap in the drain line in accordance with local codes (minimum four (4) pipe diameters).
2. If your system has a water meter thoroughly read the meter instructions manual located in the
back of this manual before installing any water meters or flow sensors,. Water meters typically
must be installed in a particular manner (i.e. horizontal, plane or with recommend pipe lengths)
to function properly.
3. After the piping has been completed, make sure to close all isolation valves.
Page 7
MR 150M–1050M PLC
INSTALLATION

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
INSTALLATION
8
TUBING DIAGRAM - VALVE NEST - MULTITANK - ASCO SOLENOID

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
INSTALLATION
9
Note: All valves normally open except optional valve 2A.
1
3
2
Flow
Solenoid Energized
1
3
2
Flow
Solenoid De-energized
Energized To Close TheNXTStagercontrolcanoperateanoptional24VAC solenoidtocontrolwhenatankisoffline.Thissolenoidis electricallyconnectedtothe"lowerdrive"connectiononthe circuitboard,andcontrolpressureisrunthroughthesolenoid totheserviceoutletdiaphragmvalve. Thesolenoidinstalledatthefactoryisauniversaltype.Itis plumbedinanenergizetocloseconguration. WhenatankentersRegenerationorStandbythesolenoidis energized.Pressurefromsolenoidport1passestoport2.The diaphragmvalve#2willclose. WhenatankentersInServicethesolenoidisde-energized. Theinletpressuretosolenoidport2isstopped.The diaphragmvalveisventedthroughsolenoidport2toport3 (drain).Thevalve#2opens.
TUBING DIAGRAM - VALVE NEST - MULTITANK - PARKER SOLENOID

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
INSTALLATION
10
PAGE 10
BRINE TANK INSTALLATION
1. The brine tank is placedas shown on the installation drawing, on a smooth level surface. If not,
the tank should be placed on a smooth piece of exterior plywood and leveled by placing shims
beneath the plywood.
2. Make sure that the salt shelf inside the tank is level and that the brine well is near to vertical as
possible. Check the specifications table and make sure that the float setting is the proper height
for the model provided. Brine tanks are shipped with the float set for maximum salting. If
incorrect, slide the float to the proper setting. Float should be one inch above grid plate.
3. Place brine valve into the brine well and set at the bottom of the brine tank.
Note: If minimum brine draw is desired, remove the pipe nipple and coupling from the brine
assembly. Install remaining brine valve assembly into elbow using Teflon tape or Teflon
paste, and set float to minimum salt level see Specification Table on page 3 for settings.
Place brine valve into brine well. Brine valve assembly will not sit on bottom of brine tank.
4. Connect the brine valve to the brine injector.
5. Open the injector feed water valve and allow the brine tank to fill with water. To speed this
process the tank can be filled with hose to about 2” below the platform. The tank will continue to
fill until the float rises and shuts of the flow (approximately 1” above the platform).
Note: In the process of making brine for the first regeneration, the solution volume will increase
(one gallon of water will be 1.2 gallons of brine). The final level of the liquid will be several
inches above the platform.
6. If the refill water shuts off below the platform or too far above the platform, the brine valve should
be remove and the float adjusted up or down until is shuts off approximately 1” above the
platform. Place the brine well cap seal in place and open the manual valve in the brine line to
the softener tank.
TO INJECTOR
OVERFLOW
(PIPE TO DRAIN)
FLOAT
BRINE VALVE
LIQUID BRINE
DRY SALT
STORAGE
SALT SHELF
BRINE WELL
TO INJECTOR
TOP
EXTENSION
BRINE VALVE
FLOAT HEIGHT
FLOAT
Page 9
MR 150M–1050M PLC
INSTALLATION

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
INSTALLATION
11
PAGE 11
SOFTENER TANK LOADING
GRAVEL LOADING
1. See the Specification Table on page 3 for the
correct amount of gravel and resin. Do not
begin loading until you have confirmed all of
the required media is on site.
2. Before loading, visually check the lower
distributor for shipping damage. All radial arms
and baskets strainers are in place and pointing
downward. Tighten any loose laterals. Do not
load tank if there is damage is evident. Call
the factory if any damage is observed.
3. Slowly open the inlet valve and fill the tank half
way or as full as possible with water. There
might be a flow of water to drain.
4. The equipment provided has a plastic lower
distributor system. Care should be exercised
in the loading of the gravel in order to insure
that the distributors are not damaged.
5. Slowly and gently pour the gravel marked for the mineral tank into the unit.
6. Drain the tank down until the gravel and water levels are the same.
7. Carefully level the gravel before loading the resin.
RESIN LOADING
1. Reopen the inlet valve and fill the tank to 1/3 to 1/2 full of water.
2. Pour the quantity of resin marked for the tank in through the top opening.
3. Reopen the inlet valve and fill the tank with water to the top access opening. Close and secure
the top access opening.
4. Open inlet valve and continue to fill the tank with water until it is fully pressurized.
LOWER DISTRIBUTOR
GRAVEL SUBFILL
RESIN
FREEBOARD
UPPER
DISTRIBUTOR
Page 10
MR 150M–1050M PLC
INSTALLATION

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
OPERATION
12
START-UP INSTRUCTIONS
PLC PROGESSIVE CONTROLLER
Note: Read the controls description section located in this manual before
proceeding.
With all piping and installation complete, and the mineral in the tank,
proceed as follow:
1. Open the manual by-pass valve. The manual inlet and outlet valves
are to remain closed.
2. Connect the power to the PLC controller. This operator interface
display will light up. Advance the operator interface to the Main
Screen.
3. Open the remote stager enclosure cover on Unit 1 and manually rotate
the stager to the #1 (backwash) position. The stager motor will rotate
back to the #4 (service) position. This is done to confirm the
controller’s homing signal is operational.
4. Manually advance the operator interface to the Presets Screen. Verify
the cycle time and K factor are correct for your unit size. Change if
required.
5. Manually advance the operator interface to the Flow Rate Presets for
Progressive Flow.Verify the flow presets are correct for your unit
using the flow chart in this manual. Change if required.
6. Manually advance the operator interface to the Operator Control 1
Manually Start/Advance Regeneration.
Page 11
MR 150M–1050M PLC
OPERATION

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
OPERATION
13
7. Advance Unit 1 to the backwash step. The unit 1 stager should rotate
to the step 1 (backwash) position.
8. Slowly open the manual inlet supply valve. Do not open fully. Full
flow of water could cause loss of media. Continue to fill slowly until
all air is expelled and only water flows to the drain. Water will enter
from the bottom of the resin tank as air is expelled from the top drain.
If the system is supplied with an air vent make sure that the valve is
open during this process.
9. When only water flows to the drain and out the air vent (if applicable),
open the manual inlet valve all of the way. Backwash until the water
looks clean when caught in a container.
10.Advance Unit 1 to the brine/slow rinse step. The Unit 1 stager should
rotate to the step 2 brine/slow rinse position. There will be a slow flow
to the drain.
11.While the Unit 1 is in the Brine/Slow Rinse position, check the level
in the brine tank. The level should be dropping at a slow rate
(approximately 2” per minute).
12.Advance Unit 1 to the Fast Rinse position. The Unit 1 stager should
rotate to the step 3 (Fast rinse) position. There will be a high flow of
water to the drain. Allow the water to flow to the drain until clear.
During this time, the brine tank will fill with water until the float
closes the brine tank valve. Check that all brine fittings are tight and
that the water level in the brine tank is according to the unit
specifications.
13.Advance Unit 1 to the service position. The unit 1 stager should rotate
to the step 4 Service position. There will be no flow of water to the
drain.
14.Perform steps 3-13 to the other units.
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MR 150M–1050M PLC
OPERATION

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
OPERATION
14
15.Fill the brine tank with the proper amount and type of salt
recommended for use with the system. See RECOMMENDED
TYPES OF SALT.
16.Close the manual by-pass valve and open all outlet valves fully. The
system is now in service.
MR 150M–1050M PLC
OPERATION
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MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
OPERATION
15
1
TWIN ALTERNATING SOFTENER
ELECTRICAL CONTROLS OPERATION
General-the main control panel (MCP) contains the programmable logic
Controller (PLC) and the operator interface (OIT). The system is controlled by the PLC. Operator
intervention and control along with some program setpoint access is through the oit. The plc
controls the system so that one unit will be online (in service) while the other unit is in standby or
regeneration. Normally a unit will start regeneration automatically after its gallon counter counts
down to zero from the preset batch. A unit can also be manually forced into regeneration by using
a pushbutton on the OIT. A regeneration lockout is built into the logic so that only one unit can be
in regeneration at a time.
Note:
Follow all applicable codes and regulations when wiring in this system.
Caution:
Verify all power is disconnected before servicing the equipment
Interconnect wiring-
Power-wire a single phase 120volt, 60 Hz, 15 amp fused circuit to mcp terminals “L”,”N”,
and “G”. This power supply should be surge protected.
Do not run high voltage lines near the low voltage input wires on terminal TB2.

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
OPERATION
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2
OPERATOR INTERFACE SCREENS-LOCATED ON THE FRONT OF THE MCP IS THE
OPERATOR INTERFACE (OIT). IT ALLOWS OPERATOR MONITORING AND ACCESS TO
THE PROGRAM.
Summary
Screen 1- MAIN SCREEN FOR STATUS INDICATION
Screen 2- REGENERATION START/ADVANCE
Screen 3- PRESETS 1 (CYCLE TIMES), BATCH & KFACTOR
Screen 4- TOTALIZER
Screen 5- SYSTEM RESET/PV CONFIG
Screen 6- SCREEN CHANGES
Notes:
1. None of the screens are secured.
2. Regeneration is frequently abbreviated as regn or regen on the screens.
3. Numeric entry button- all numeric entry button have a red border with a yellow
background. The number displayed is the current value for that preset. If a change in
data is necessary, touch the desired button on the screen. A small keypad will pop up.
Enter in the desired value using this keypad. Press the enter key. (long arrow key) there
is a minimum and maximum value that can be entered. If the value entered is out of
range a small banner will pop up indicating this.
4. Screen change button - when this button is pressed it will bring up the screen changes
screen.

MR 150M–1050M TWIN - 400C HMI PLC CONTROLLER
OPERATION
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3
OPERATOR INTERFACE SCREENS
SCREEN 1-MAIN SCREEN
The main screen displays the following:
MODE-each units mode is displayed near the upper part of the screen. The modes
indicate which cycle the unit is in these can be any one of the following:
SERVICE
STANDBY
BACKWASH
BRINE/SLOW RINSE
FAST RINSE
FLOW (RATE)-the unit in service flow rate is shown here in gallons per minute (GPM)
BATCH LEFT-the unit in service gallons remaining in the batch is displayed here.
This display counts the gallons down from the preset to zero.
CYCLE TIME- the text “cycle time” and remaining time in the cycle is shown when a unit
is in regeneration.
When done changing screens always return to the main screen for
display
.