Everpure MRS-600HE Instrucciones de funcionamiento

Installation and Operation Guide

MRS-600HE High Efciency Reverse Osmosis System

Mineral Reduction System For Foodservice Applications

. EV3128-25 Rev C MY10

INTRODUCTION

The Everpure MRS-600HE Mineral Reduction System is a pre-

engineered, pre-assembled Reverse Osmosis (RO) system designed

to provide high purity water for multiple applications, such as

premium espresso, coffee, blended beverages and steam, to name a

few. It combines a number of water treatment technologies into one

easy to install package. The system provides superior protection

against taste and odor causing contaminants while removing dirt,

particulates and dissolved solids that can foul or scale equipment.

Initial System Production

Water production depends on supply water pressure and temperature.

See PERFORMANCE section (page 9) for normalized production.

Inﬂuent Water Characteristics

The following table lists the allowable operating range of various

water properties within which the MRS-600HE will function

properly.

Total Dissolved Solids (TDS) 0-1,000 ppm (0-1,000 mg/l)

pH 5-10

Chlorine10-3 ppm (0-3 mg/I)

Chloramines 0-3 ppm (0-3 mg/I)

Turbidity 0-1 NTU

Iron 0-1 ppm (0-1 mg/I)

1Reverse osmosis membrane lter used in this system will be damaged by chlorine. An

activated carbon lter should be provided with this system to protect the reverse osmosis

membrane from chlorine attack. Inuent chlorine should not exceed 3 mg/I.

The system consists of 5 major components:

2SR-BW Water Conditioning cartridge1.

Dual-Head booster pump2.

MR-600 Reverse Osmosis (RO) membrane cartridge.3.

6-Gallon (22.7 l) RO Water Storage Tank4.

Control System with Power Supply5.

The 2SR-BW water conditioning cartridge contains media that

reduces the scaling tendency of hard water minerals found in many

water supplies, extending RO membrane life.

The Dual-Head booster pump increases the inlet pressure to

maintain consistent permeate production, plus eliminates back-

pressure on the permeate output. This innovative approach to

both boosting and eliminating back-pressure maximizes system

efﬁciency.

The MR-600 RO membrane cartridge contains a semi-permeable

reverse osmosis membrane. It’s here that most of the dissolved

impurities are separated from the water and ﬂushed down the drain.

The water that is able to pass through the membrane, which is very

low in dissolved impurities, is referred to as permeate, RO water, or

product water.

Once the RO water is produced, it is stored in the 6-Gallon (22.7

l) RO water storage tank. This tank serves two key functions; 1) it

acts as a buffer between the system and the connected equipment,

providing ample volumes of water instantaneously, 2) it reduces

the on-off cycling of the RO system, which produces better quality

water, and prolongs the system’s life.

OPERATING SPECIFICATIONS

Dynamic Operating Pressure: 25-80 psi (1.7-5.5 bar)•

[Pressure below 50 psi (3.4 bar) may affect blend system performance]

Static Operating Pressure: 100 psi (6.9 bar)•

Operating Temperature: 40-100°F (4.4-37.8°C)•

Plumbing Connections:•

Inlet/Outlet: 3/8” (9.5 mm) OD tube (“push-in” quick-connect),

3/8” (9.5 mm) barb or 1/2” (12.7 mm) barb

Reject: 3/8” (9.5 mm) OD tube (“push-in” quick-connect)

Tank Drain: 3/8” (9.5 mm) OD tube (“push-in” quick-connect)

Electrical:•

Rated Voltage & Power Cord Plug Type:

Sys. Part No. EV997038: 100-120VAC/50-60Hz - NEMA 5-15P

Sys. Part No. EV997044: 220-240VAC/50-60Hz - GB 2099

Sys. Part No. EV997047: 220-240VAC/50-60Hz - CEE 7/7 -

Sys. Part No. EV997050: 220-240VAC/50-60Hz - AS 3112

Watts:

Stand-by: 25 // Flush: 60 // Run/Fill: 320

Branch Circuit Protection:

10 AMP Minimum. To minimize personnel shock hazards,

install on a GFI, RCD, or equivalent protected circuit.

Pre-Installation Checklist

Can1. the unit be mounted within a reasonable distance of the

water supply and drain facilities?

Is2. there an un-switched receptacle available for powering the

system?

Is3. there adequate clearance and support to install the unit

and permit access for maintenance? The total system weight

will vary based on model and storage tank selected. See

speciﬁcation table for approximate operating weights.

Doe4. s the inlet water supply meet the requirements listed in the

table under “Inﬂuent Water Characteristics”?

Is5. there a minimum of 25 psi (1.7 bar) pressure on a consistent basis?

Processor Assembly Mounting

The MRS-600HE system has been provided with a wall mount1.

bracket to allow greater installation ﬂexibility and ease of

processor placement. If the wall mount bracket is not suitable for

this speciﬁc application, the processor backplate has 4 mounting

holes (2 keyhole slots, 2 standard) on 16” (406.4 mm) centers for

securing it directly to a vertical surface.

20.0 508

5.0 127

3.1 80

16X .33

THRU

8.4

17.8 452

16.6 422

15.4 391

14.2 361

4.2 107

Low TDS Outlet

(Steam Equipment)

Inlet

(From Filter System)

Reduced TDS Outlet

(Coee, Espresso,

Combi-Oven)

MRS-600HE

System

2SR-BW

Conditioning

Cartridge

MR-600

RO Cartridge

RO Reject

(3/8" (9.5 mm)

OD Push-In)

Figure 1. Wall mount bracket.

Figure 2. MRS-600HE Assembly.

Tools Required Materials & Special Equipment

In most cases, common hand tools and plumbing materials

suitable for use with RO water are all that is needed for installing

the system. The system set-up and calibration requires special

equipment which are outlined in the table below:

Compressed Air Supply [60 psi (4.1 bar) minimum] with

“Schrader” style air chuck and pressure gauge

2 - 32-ounce or 1,000 ml graduated containers

Stopwatch TDS Meter

Utility knife Eyedropper

5.25% Household bleach or equivalent disinfectant

NOTES:

Please read this entire manual prior to installing and operating•

the system.

The MRS-600HE system does NOT include on-board particulate or•

organic reduction ﬁltration. Incoming water supplies that do not

meet the inﬂuent water characteristics requirements will require

the addition of pre-treatment equipment prior to the MRS-600HE

system. Do not connect the MRS-600HE system after any other

water ﬁltration system, unless speciﬁcally provided or speciﬁed.

System performance may be affected if requirements are not met,

including system output and cartridge change-out frequency.

Consult with your local building inspector for approval and•

required permits to install this system. Additional equipment, such

as back-ﬂow prevention devices, seismic restraint equipment, air

gaps, etc., may be required. Completed installation must meet all

local and national codes.

UNPACKING AND INSPECTION

The MRS-600HE includes all the necessary ﬁttings for installation.

Lengths of 3/8” (9.5mm) tubing have been provided for connecting

to the wastewater/drain connection. Supply lines and distribution

piping/tubing are not included.

The MRS-600HE system is packaged as a complete unit in one

carton. At a minimum, you should have the following:

Plate mounted processor assembly including:1.

Dual-head pump•

Cartridge heads•

Controller & Power supply•

Storage Tank•

Wall mount bracket2.

MR-600 RO cartridge3.

2SR-BW Cartridge4.

Parts Kit5.

Inspect the carton for damage. Report any damage to freight carrier

immediately and retain all packaging materials. Carefully unpack and

inspect each item.

SYSTEM ASSEMBLY

Locate the system in an area that is convenient to the inlet water

supply and drain facilities, with access for routing the product water

tubing/piping to the equipment. Install in a dry location, away from

all forms of corrosive and/or ﬂammable materials. Consider ease

of access for servicing when selecting a location. Evaluate the

mounting surface for its ability to properly support the weight of the

processor when in operation [Approximately 90 lbs. (40.8 kg.)].

WARNING

Do not use screws smaller than #12 (5.5 mm) for

mounting the processor.

WARNING

Mounting surface may require reinforcement to

support processor safely. Hollow walls, drywall and

other non-structural surfaces are not suitable unless

reinforced.

Floor Drain

Maintain air-gap per local and national codes

Position top row of mounting holes 19⁄16"

(39.7 mm) above the top edge of backplate.

Storage Tank

Drain

(3/8” (9.5 mm)

OD Push-In)

Waste

Figure 4. Reject Y-Connector Detail

Figure 3. Pre-Charging Storage Tank

Refer to2. Figure 9 (page 14) for dimensional information. Use

this as your guide to determine the wall mount bracket and/or

processor location. If NOT installing the wall mount bracket go to

step 5.

Refer to3. Figure 1 for mounting bracket details. Position the top

row of holes 19⁄16 “ (39.7 mm) above the top of the processor when

installed. Install the wall mount bracket to a suitable vertical

surface. Use no less than 4 - #12 (5.5 mm) fasteners to secure the

bracket to the surface.

Prepare to attach the processor to the wall mount bracket. Lift the4.

processor and “hook” the metal lip of the processor backplate

over the lower lip of channel on the wall mount bracket. Go to step

Measure and install 2 - #12 (5.5 mm) minimum fasteners on 16”5.

(406.4 mm) centers to engage the top edge of the processor

backplate, leaving a 1/4” (6.4 mm) gap. Lift the processor and

“hook” the key-hole slots on the processor backplate. Tighten

the 2 fasteners.

Install 2 - #12 (5.5 mm) minimum fasteners in the 2” (50.8 mm)6.

wide slots along the bottom edge of the processor backplate.

Piping/Tubing Connections

Refer to1. Figure 2 and 10 for general arrangement views of the

piping, with a description of major components and connection

points. These major components and connections will be

referred to in the following steps.

A parts kit has been provided, which includes valves and tees to2.

conﬁgure a system by-pass. Assemble the parts to the system

using the example shown in Figure 2.

Prepare the plumbing to accept the RO system.3.

NOTE:The product water tubing/piping and associated ﬁttings

connecting the RO product outlet to the equipment being

serviced

should be food grade material that meets NSF

Standard 51, 61, or similar, with a minimum pressure rating

of 100-psi (6.9 bar). The product water may react with

metal piping, creating a corrosive condition, in addition to

imparting an objectionable taste. Plastic pipe or reinforced

beverage tubing are generally very good choices for RO water

distribution piping materials. The size of the product water

tubing/piping

should be 3/8” (9.5 mm) ID minimum. Distances

of 25 feet (7.6 m) or greater

from the RO to the equipment being

serviced should be 1/2” (12.7 mm) ID minimum.

Shut-off the supply of water to the new or existing ﬁltration4.

system, and relieve pressure. Connect a line from the treated

water outlet of the ﬁltration system to the inlet of the MRS-

600HE system.

Connect the appropriate size and type of tubing/piping and5.

associated ﬁttings to the corresponding MRS-600HE outlet

connection. Route the line(s) to the equipment being serviced

(i.e.; steam, espresso, coffee, etc.). Close the inlet, outlet and by-

pass valves. Apply pressure to the existing ﬁltration system and

place it back into service.

For safety in transit, the storage tank is shipped without a pre-6.

charge. Locate the “Schrader” valve on the storage tank and

pre-charge to 48-50 psi (3.3–3.4 bar) with a source of clean, dry

air. See Figure 3.

Connect a 3/8” (9.5 mm) OD tube to the reject Y-connector7.

(labeled WASTE) located in the lower right corner of the

processor. Route the other end of the tubing to a drain nearby,

securing it properly. Allow an air gap at the drain, following any

applicable local and national codes. See Figures 2 and 4.

WARNING

Refer to “Reject to Drain, Maximum” under RO

Production in the Performance Table (page 9) to

determine the maximum reject (waste) ﬂow rate.

Verify the drain has ample capacity for this waste

ﬂow, plus all other sources of waste ﬂow sharing this

drain.

Connect waste line to

Y-connector and route to

drain. Maintain air-gap

per local and national

codes.

“Schrader” Valve Location

Charge to 48-50 psi (3.3–3.4 bar) with clean, dry air.

fully. If this does not clear the message, the transducer and/or

controller should be replaced.

ERROR! ChECk

pREssuREsEnsOR!

Programming Mode

The controller has several user accessible menu’s. This menu “loop”

allows for adjustment of several variable parameters. The Controller

has 3 buttons below the display for these adjustments. In most

cases, a description of the button function is shown in the digital

display area.

Once you enter the programming mode, the controller will save your

last entry upon pressing ENTER. If an adjustment is made without

pressing ENTER, and the controller returns to the main screen and

the adjustment will not be saved. If a key is not depressed for about

25 seconds, the controller exits programming mode and returns to

the operational mode.

Press and hold any key for 3 seconds to enter programming mode.•

II – Press the middle key to advance to “FLUSH TIME: XXX S”•

screen. Press left or right key to advance to

“PRESSURE UOM: XXX” screen.

PRESSURE UOM: XXX -• This parameter determines whether PSI

or BAR will be the unit of measure used to display the storage

tank water pressure. Use the +/- keys to adjust this value. Press

ENTER to save the selected value and advance to the next screen.

TANK FULL P: XXX -• This parameter determines the pressure at

which RO water production will stop, or turn “off”. This setting is

normally 100 PSI (6.9 bar). Range is 70-100 PSI (4.8-6.9 bar) in 5

PSI (0.3-0.4 bar) increments. Use the +/- keys to adjust this value.

Press ENTER to save the selected value and advance to the next

screen.

START DIFF.: XXX -• This parameter determines the pressure

differential between the RO water production start (“on”)

pressure and stop (“off”) pressure. This setting is normally 20

PSI (1.4 bar). Range is 10-25 PSI (0.7-1.7 bar) in 5 PSI (0.3-0.4 bar)

increments. Use the +/- keys to adjust this value. Press ENTER to

save the selected value and advance to the next screen.

FLUSH DIFF.: XXX -• This parameter determines the pressure

differential between the RO water production start (“on”)

pressure and minimum allowable ﬂush pressure. This setting is

normally 20 PSI (1.4 bar). Range is 0-25 PSI (0.0- 1.7 bar) in 5 PSI

(0.3-0.4 bar) increments. Use the +/- keys to adjust this value.

Press ENTER to save the selected value and advance to the next

screen.

FLUSH TIME: XXX S -• This parameter determines the ﬂush

duration. Upon determining the recovery and reject ﬂow (see

“RECOVERY ADJUSTMENT/CALIBRATION” section) a time value

in seconds is entered for this setting. Range is 0-990 seconds in

5 second increments. Use the +/- keys to adjust this value. Press

ENTER to save the selected value and advance to the next screen.

FLUSH INT: X.X H -• This parameter determines the ﬂush interval.

If the system does not process water for the time value selected,

the system will enter DEEP FLUSHING mode. Range is 0.0 - 9.5

hours in 0.5 hour increments. Use the +/- keys to adjust this value.

The factory default setting of 1.5 hours is adequate in most

applications. Press ENTER to save the selected value and

advance to the next screen.

RESET COUNTER? -• This parameter allows resetting the total

run time in hours, which is displayed in the MAIN SCREEN VIEW.

Press YES to reset, NO to NOT reset. The Controller saves your

selection and goes to the next screen.

CONTROL SYSTEM OPERATION

The MRS-600HE system includes a micro-processor based control

system that monitors system conditions and controls the system

operation. A digital display panel provides operational information

and 3 buttons provide operator access. To follow is a list of modes

and a description of each function. Use this as a guide during

startup, normal operation and when service is required.

Operational Mode

INITIAL POWER-UP -• When power is ﬁrst applied to the system,

the panel will display the system identiﬁcation with software

version. After several seconds, it will automatically transition to

the MAIN SCREEN VIEW.

EnVI-RO 3.07

MAIN SCREEN VIEW -• When the system is in normal operation

and not operating in any of the following operational modes, the

panel will display the storage tank water pressure and total run

time in hours since start-up, or last counter reset.

pREssuRE XXXpsI(BAR)

TOTAl XXXX.XXhR

PRESSURIZE -• When pressure in the storage tank drops below the

pressure “on” setting, the system will start processing water and

reﬁll the storage tank. Once the pressure in the storage tank rises

above the pressure “off” setting, the system will stop. Run time in

seconds and storage tank water pressure will be displayed.

pREssuRIZE...

XXXXs XXXpsI(BAR)

DEEP FLUSHING -• If the MRS-600HE System remains idle for the

programmed length of time, the control system will automatically

go into DEEP FLUSHING mode. During this time, there will be ﬂow

to drain (reject). Remaining ﬂush time in seconds and storage tank

water pressure will be displayed.

DEEpFlushIng...

XXXXs XXXpsI(BAR)

RE-PRESSURIZE -• At the start of the DEEP FLUSHING operation, the

system will re-pressurize to the normal tank full pressure, then begin

DEEP FLUSHING. Storage tank water pressure will be displayed.

Under normal conditions, the pressure in the storage tank will

remain above the minimum allowable ﬂush pressure throughout

the DEEP FLUSHING operation. Once the DEEP FLUSHING

operation ends, the system returns to normal operation, but will

not PRESSURIZE until the storage tank water pressure drops

below the minimum allowable ﬂush pressure. Once it runs and

ﬁlls, the system returns to operating within the normal “on” and

“off” pressure settings.

If the storage tank water pressure drops below the minimum

allowable pressure setting during DEEP FLUSHING, the control

will enter PRESSURIZE mode and reﬁll the storage tank to the

normal “off” pressure, then resume normal operation.

RE-pREssuRIZE...

 XXXpsI(BAR)

ERROR! CHECK PRESSURE SENSOR! –• This message indicates

a fault with the pressure sensing circuit. Check the electrical

connector at the pressure transducer to make sure it is inserted

COFFEE SETUP? -• This parameter allows viewing the TDS reading

in the coffee (blended) outlet line, but with a more frequent

up-date rate than in Operational Mode. Use this mode when

adjusting the blend valves (See “DUAL OUTLET AND BLEND

ADJUSTMENT” section). Select YES to enter this mode, or NO to

advance.

COFFEE TDS: -• This is a view only screen. The value displayed is

the TDS level of the water in the coffee (blended) outlet line. The

most accurate readings are attained by having ﬂow on the coffee

line. Press any key TWICE to advance to the next screen.

SAVING DATA ... -• This is a view only screen. The controller is

saving the settings and returning to the MAIN SCREEN VIEW. If

desired, press and hold the middle key for 3 seconds to enter TDS

Calibration mode.

TDS CAL -• This parameter allows adjustment of the TDS value

(in ppm) the controller will display. Make adjustments if the TDS

level displayed by the controller does not match within ± 5 units of

the TDS value registered on a second calibrated TDS meter. Use

the +/- keys to adjust this value until it matches the value of the

second calibrated TDS meter. Press ENTER to save and return to

the MAIN SCREEN VIEW.

ELECTRICAL CONNECTIONS

The RO system is pre-wired at the factory. Verify that the supply

voltage matches the RO system operating voltage. Also verify that

the supply is a GFI, RCD, or equivalent protected circuit rated at 10

amps minimum. Plug-in power cord when instructed to do so in the

following sections.

CARTRIDGE INSTALLATION AND ACTIVATION

Remove the outer shrink-wrap and protective cap from the1.

2SR-BW & MR-600 RO cartridges. Position a bucket under the

2SR -BW cartridge head. Slowly open the inlet shut-off valve.

Apply power to the system by plugging the power cord into

the receptacle. Within moments, the controller display should

illuminate and the system will go into PRESSURIZE mode. Once

a solid ﬂow of water has been established, ﬂush 1 gallon (3.8 l).

Unplug power cord. Empty bucket.

Install the 2SR-BW cartridge. Align the lugs on the cartridge2.

with the slots in the head. Holding the head and cartridge ﬁrmly,

press the cartridge upward into the head fully, and then turn the

cartridge to the right until it stops.

Disconnect the 3/8” (9.5 mm) OD line from 2SR-BW to booster3.

pump inlet at booster bump. Route this line into the bucket and

secure. Plug-in power cord. Once a solid ﬂow of water has been

established, ﬂush 1 gallon (3.8 l). Unplug power cord. Re-connect

3/8” (9.5 mm) OD line to booster pump inlet. Empty bucket.

Temporarily route a BLUE line from the 3/8” (9.5 mm) storage4.

tank drain valve to drain. Open storage tank drain valve.

Install MR-600 cartridge. Align the lugs on the cartridge with the5.

slots in the head. Holding the head and cartridge ﬁrmly, press the

cartridge upward into the head fully, and then turn the cartridge

to the right until it stops.

Plug-in power cord. Once a solid ﬂow of water has been6.

established, ﬂush 5 gallons (18.9 l) from storage tank drain (about

10-15 minutes). Unplug power cord.

WARNING

DO NOT USE THIS PRODUCT WATER! It may contain

a preservative solution from the RO cartridge and

should not be consumed!

Disconnect the 3/8” (9.5 mm) tube from the outlet (right side) of7.

the in-line ﬁlter. Attach a short section of 3/8” (9.5 mm) OD tubing

to the in-line ﬁlter and route line into bucket and secure. Close

the storage tank drain valve. Plug-in power cord. Once a solid

ﬂow of water has been established, ﬂush 1 gallon (3.8 l) through

the in-line ﬁlter to drain. Unplug power cord. Re-connect original

3/8” (9.5 mm) OD line to the in-line ﬁlter outlet.

Press middle key

Press left or right key

Press +or –to adjust

Press ENTER to advance

Press +or –to adjust

Press ENTER to advance

Press +or –to adjust

Press ENTER to advance

Press +or –to adjust

Press ENTER to advance

Press +or –to adjust

Press ENTER to advance

FlushTIME: XXXs

– EnTER +

FlushInT: X.Xh

– EnTER +

EnVI-RO3.07

TOTAl 0.00hR

TAnkFullp: XXX

– EnTER +

sTARTDIFF.: XXX

– EnTER +

FlushDIFF.: XXX

– EnTER +

sTOp sTARTFlush

XXX XX XX

 REsETCOunTER?

YEs nO

 COFFEEsETup?

YEs nO

COFFEETDs: XXX

pREssTORETuRn

Press YES to reset counter

and advance or

NO to advance only

Yes

Press and hold any key for

3 seconds

Press middle key

for 3 seconds

Press any key for 10

seconds and release

 sAVIngDATA…

TDsCAl XXX

– EnTER +

Press +or –to adjust

Press ENTER to advance

pREssuREuOM:XXX

– EnTER +

Press +or –to adjust

Press ENTER to advance

Once the ratio of Permeate-to-Reject closely matches the data6.

in Table 1, the Reject ONLY volume requires measurement. Using

only 1 graduated cylinder, collect the Reject ONLY ﬂow for 1

minute and record this volume.

NOTE: Reject volume in 1 minute may exceed 32 oz./1,000 ml. If

so, use a larger container, or collect samples in multiple

containers and add all of the collected volumes together.

Unplug power cord. Close storage tank drain valve.7.

Return to page 7,8. Table 2. Find the volume range in the column

labeled “Reject Volume per Minute” that corresponds to the

volume collected in Step 6. Read across that same row to

identify the correct capillary tube combination, located under the

columns labeled “Capillary Tube #1 & #2”.

Locate the correct capillary tubes (restrictors) from the parts9.

kit. Remove the two 1/4“ (6.4 mm) OD tubes from the upper

Y-connector. Insert the capillary tubes into each line and re-

assemble to the Y-connector. See Figures 5 and 6.

NOTE: In some cases, the capillary tube requires trimming. Use a

SHARP utility knife to cut the tube cleanly without tearing or

crushing the tube.

Remove the reject needle valve assembly and reconnect the 3/8”10.

(9.5 mm) tube that is routed to drain.

Refer to11. Table 2 again and locate the column labeled “Flush Time

in Seconds”. The correct value for this setting can be found in the

same row of data used to determine the capillary combination

in the previous steps. Enter this value in the controller under

“FLUSH TIME XXX”.

Adjust “FLUSH INT X.X H” to 1.5 H.12.

RECOVERY ADJUSTMENT/CALIBRATION

Carefully remove and RETAIN the factory installed capillary1.

tubes (restrictors) from the end of the two 1/4“ (6.4 mm) OD

tubes connected to the upper Y-connector on the reject line,

then re-connect the lines. Store these restrictors with the other

restrictors in the parts kit for possible re-use in the following

steps. See Figures 5 and 6.

Locate the needle valve from the parts kit. Attach a section of2.

3/8” (9.5 mm) OD tubing to this valve. Open valve partially.

NOTE: The needle valve will be used to adjust/calibrate the system

recovery. Once calibration is complete, it is removed.

Remove the 3/8” (9.5 mm) OD tube from the reject Y-connector3.

and install the needle valve assembly. Connect a section of

BLACK 3/8” (9.5 mm) OD tubing to the outlet of this valve. See

Figure 5 for details on the calibration set-up.

Measure the raw water TDS. Refer to4. Table 1 on page 7. Find

the TDS range in the column labeled “Raw Water TDS” that

corresponds to your TDS measurement. Read across that row

to determine maximum recovery, permeate to reject ratio and

permeate/reject volumes.

Using two 32 oz. or 1,000 ml graduated containers, apply power5.

to the system and collect the permeate ﬂow (blue line from

storage tank drain valve) in one container and the reject (black

line from reject needle valve) ﬂow in the second container.

Compare the ratio of volume collected to the data shown in Table

1. Adjust the reject needle valve as needed to match the ratio

speciﬁed. Empty the containers and collect additional samples

after each adjustment of the reject needle valve.

Waste

Figure 6. Capillary Tube (Restrictor) Y-Connector Detail

TUBE

FLOW

CONTROL

Capillary

Not Trimmed

TUBE

FLOW

CONTROL

Capillary

Trimmed

Low TDS

Outlet

(Steamer)

Inlet

(From Filter System) Reduced TDS

Outlet

(Coee)

Permeate Sample from

Storage Tank Drain Valve

(Blue Line)

Reject

Sample

(Black Line)

Reject

Needle

Valve

Capillary

Tube

(Restrictor)

Y-Connector

Figure 5. Permeate to Reject Calibration Set-Up

Table 2 - Capillary Tube and Flush Time Selector

Reject Volume per Minute Capillary Tube Flush Time in

Seconds

Ounces Milliliters #1 #2

0.0 - 6.1 0 - 179 Red PLUG 840

6.1 - 14.0 180 - 414 Brown - Trimmed PLUG 360

14.0 - 20.1 415 - 593 Brown - Trimmed Red 255

20.1 - 25.9 594 - 766 Green PLUG 200

25.9 - 31.9 767 - 945 Green Red 160

31.9 - 40.1 946 - 1186 Blue - Trimmed PLUG 125

40.1 - 46.2 1187 - 1365 Blue - Trimmed Red 110

46.2 - 51.6 1366 - 1525 White - Trimmed PLUG 100

51.6 - 57.6 1526 - 1703 White - Trimmed Red 90

57.6 - 65.5 1704 - 1938 White - Trimmed Brown - Trimmed 80

65.6 - 72.9 1939 - 2155 Grey Red 70

72.9 - 77.4 2156 - 2290 White - Trimmed Green 65

77.4 - 83.7 2291 - 2475 White Blue - Trimmed 60

83.7 - 91.6 2476 - 2709 White - Trimmed Blue - Trimmed 55

91.6 - 97.5 2710 - 2883 White White 50

97.5 - 103.1 2884 - 3048 White - Trimmed White - Trimmed 50

103.1 - 116.5 3049 - 3444 Grey White 45

116.5 - 135.5 3445 - 4006 Grey Grey 40

Table 1 - Recovery & Permeate to Reject Ratio

Raw (Feed) Water TDS

Maximum

Recovery

Ratio

Permeate & Reject Volumes

at Speciﬁed Recovery*

Permeate

(Blue Line)

Reject

(Black Line)

Soft Water

(less than

1 gpg/17.1 ppm)

Hard Water

(1 gpg/17.1 ppm

or greater)

Permeate to Reject

Ounces

Milliliters

Ounces

Milliliters

0-1,000 0 - 200 80.0% 1to 0.25 80.0 800 20.0 200

201 - 250 77.4% 1to 0.29 77.4 774 22.6 226

251 - 300 72.8% 1to 0.37 72.8 728 27.2 272

301 - 350 68.3% 1to 0.46 68.3 683 31.7 317

351 - 400 63.8% 1to 0.57 63.8 638 36.2 362

401 - 450 59.3% 1to 0.69 59.3 593 40.7 407

451 - 500 54.7% 1to 0.83 54.7 547 45.3 453

501 - 550 50.2% 1to 0.99 50.2 502 49.8 498

551 - 600 45.7% 1to 1.19 45.7 457 54.3 543

601 - 650 41.2% 1to 1.43 41.2 412 58.8 588

651 - 700 36.7% 1to 1.73 36.7 367 63.3 633

701 - 750 32.1% 1to 2.11 32.1 321 67.9 679

751 - 1,000 30.0% 1to 2.33 30.0 300 70.0 700

*Measure in either Ounces or Milliliters and use that same unit of

measure for both the Permeate and Reject volumes.

DISINFECTION

When cartridge activation and recovery adjustments are complete,

the storage tank and associated piping must be disinfected, then

completely ﬂushed. The steps for this are outlined below.

By-pass the in-line ﬁlter by disconnecting the inlet and outlet1.

tubing from the closest tee ﬁttings and install a section of 3/8”

(9.5 mm) tubing to “bridge” these connection points.

Locate the 3/8” (9.5 mm) OD tubing that connects to the inlet (left2.

side) of the storage tank. Disconnect the end which connects

to the elbow ﬁtting at the processor. Measure 1 ounce (29.6

ml) of 5.25% bleach for every 7.5 gallons (28.4 l) of storage tank

capacity. Using an eyedropper, introduce this volume of bleach

into the tube that leads to the storage tank. Re-connect this tube

to the elbow ﬁtting. Apply power to the system by plugging the

power cord into the receptacle. The booster pump should begin

to run and ﬁll the storage tank.

Once sufﬁcient water has entered the storage tank (more3.

than 1/2 full), demand treated water from at least one piece of

equipment the MRS-600HE is supplying water to. Once all of

the air has been purged, and a solid ﬂow of water is observed,

stop the ﬂow at the connected equipment. Purge the air from all

remaining pieces of connected equipment by demanding water

from each one individually.

Allow the storage tank to ﬁll until the booster pump turns off.4.

Allow the chlorinated water to remain in the storage tank and

distribution piping for 10 minutes.

Unplug the power cord. Drain the storage tank by demanding5.

water downstream and allow the storage tank to drain. Once the

storage tank is empty, stop demanding water downstream.

Apply power to the system by plugging the power cord into the6.

receptacle. Once sufﬁcient water has entered the storage tank

(more than 1/2 full), demand treated water from at least one

piece of equipment the MRS-600HE is supplying water to. After

5 minutes, stop the ﬂow at the connected equipment. Flush

the lines to each remaining piece of connected equipment by

demanding water from them for 2 minutes each.

Allow the storage tank to ﬁll until the booster pump turns off.7.

Unplug the power cord. Drain the storage tank by demanding8.

water downstream and allow the storage tank to drain. Once the

storage tank is empty, stop demanding water downstream

Repeat steps 5-7 until no residual chlorine odor is detected from9.

the water exiting the storage tank or connected equipment.

Remove by-pass line installed in step 1 and re-connect in-line10.

ﬁlter.

Plug-in power cord. Allow system to run and ﬁll the storage tank.11.

It will require 5–10 minutes to ﬁll the on-board tank.

PLACING MRS-600HE INTO SERVICE

Once the cartridges have been activated, the storage tank and

distribution piping sanitized, the MRS-600HE can be placed into

service.

During normal operation, the valves on the MRS-600HE should be in

the following positions:

System inlet and outlet valves – openA.

System by-pass valves – closed.B.

Once the system been started-up initially, it is a good idea to

measure the outlet water ﬂow rate and quality to verify the system’s

performance. The initial values should be recorded for future

comparison to detect any changes in performance. A Performance

Log has been provided on Page 10 to record this information.

OPERATION

During normal operation, a continuous supply of water must be1.

available to the system.

The system inlet and outlet valves must be open, the sample2.

outlet and ﬂushing valves must be closed and the drain line must

be unrestricted.

DUAL OUTLET AND BLEND ADJUSTMENT

The MRS-600HE system is capable of producing two water qualities,

which are detailed below.

The outlet marked “STEAMER” provides water directly from the•

RO Membrane. The TDS of this water is very low, ideally suited

for applications such as ﬂash steamers and other equipment that

“boils away” the water. This outlet requires no adjustment.

The outlet marked “COFFEE” can produce a wide range of water•

qualities. It combines or “blends” two sources of water; 1)

directly from the RO Membrane and, 2) ﬁltered water containing

the same level on mineral content as the raw (feed) water. The

following text describes the adjustment of this feature.

Open the tap water blend valve (TWBV) and dilution water1.

blend valve (DWBV) fully. See Figure 7 for location of these

valves.

Demand ﬂow on the “COFFEE” line. The ﬂow rate should2.

equal the maximum expected demand of all connected

equipment.

Access the “COFFEE TDS: XXX” view screen on the3.

controller to observe a real-time reading of the TDS quantity

in the water ﬂowing to the “COFFEE” line.

Compare TDS value on controller to application4.

requirement. If controller reading is higher than

requirement, slowly close TWBV until TDS value is met. If

controller reading is lower than requirement, slowly close

DWBV until TDS value is met.

Figure 7 . RO Blend Valve Locations

Tap Water Blend

Valve (TWBV)

Dilution Water Blend

Valve (DWBV)

PERFORMANCE* SECTION

RO Production†MRS-600HE

Gallons/Liters per Day 600/2,271

Gallons/Liters per Hour 25/94.6

Gallons/Liters per Minute 0.417/1.58

Ounces/Milliliters per Minute 53.3/1,576

Inlet Supply Requirements,

Minimum GPM/LPM 1.5/5.7

Reject to Drain,

Maximum GPM/LPM 0.85/3.22

Salt Rejection 90% minimum

Recovery Varies based on water conditions - 30-80%

†Production rates based on the following:

750 ppm TDS Soft Water @ 50 psi (3.4 bar), 77°F (25°C), to Atmosphere, Recovery = 40%, SDI = <3,

Stored Water System

Flow rate (GPM/LPM) Dependant on: Pressure/volume in storage, line sizes

Volume (Gallons/Liters) Dependant on: Pressure/volume in storage

Pressure (typical) 60–100 PSI (4.1-6.9 bar) in storage tank

50 PSI (3.4 bar) maximum at each outlet

DIMENSIONS AND OPERATING WEIGHTS

System Only MRS-600HE

Dimensions 32" H x 23" W x 13.6" D (813 mm H x 584 mm W x 345 mm D)

[Add 3" (76 mm) on all 4 sides for cover removal and service access]

Operating Weight 90 lbs. (40.8 Kg)

(not including external storage tanks)

Cartridges and Elements

Reverse Osmosis 24” (610 mm) TFC

Conditioning Cartridge 10” (254 mm) Scale Control

Carbon Post-Filter 10” (254 mm) In-line

*Speciﬁcations Subject To Change Without Notice.

MAINTENANCE SECTION

Performance Log

Test Date Run Hours

Permeate

Flow

Only

ounce/min

ml/min

Reject Flow

ounce/min

ml/min

Inlet

Pressure/

Temp.

psi/°F

bar/°C

Inlet TDS

mg/l

STEAMER

Outlet TDS

mg/l

COFFEE

Outlet TDS

mg/l

Percent

TDS

Reduction

NOTES:

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