Kinetico Reverse Osmosis Compact Series User manual

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Technical Manual
Reverse Osmosis
Compact Series

RO Compact Series Technical Manual
2
Please read these installation and operation instructions for
your Kinetico RO-Compact System carefully. We recommend
that you keep this manual for future reference and pass it on to
any future owners.
Manufacturer:
Kinetico Denmark, Sandvadsvej 7, 4600 Køge
Series type:
RO-Compact 1, RO-Compact 2, RO-Compact 3

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Kinetico RO-Compact Range 8
Additional Equipment Components 10
Operating Conditions 12
The Components 14
Installation 20
Plumbing Connections 22
Operation and Maintenance 24
Using the RO-Compact System 28
Routine Maintenance 30
Troubleshooting 31
Maintenance
Timetable 33
Solenoid Valve 34
Feed Pump 35
Flow Restrictor 36
RO-Compact 1 Parts 38
RO-Compact 2 Parts 49
RO-Compact 3 Parts 59
Electrical Parts 71
Electrical Boxes 72
Terminal Block Wiring 74
Flow Diagrams 77
Dimensions 81
Daily Log 82
CE Declaration of Conformity 83
Contents

RO Compact Series Technical Manual
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The Kinetico RO-Compact Series is designed to demineralize
cold-water (max 25°C) subsequent use in commercial
dishwashers.
The Kinetico RO-Compact Series may only be used for this
purpose, and in accordance with the operating instructions
provided.
RO-Compact

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You will see the following symbols used throughout this
manual. They help to highlight issues that are relevant to the
safe operation of this equipment.
The symbols will be used in the following instances:
General information regarding the product:
Includes technical specifications and expected operational results.
Isolate electrical power:
Use appropriate isolation procedures when servicing.
Maintain safe pressure:
Safe operating pressure range.
Consult Maintenance Section:
Refer to the maintenance section for specific instructions.
Consult Equipment Specifications Section:
Refer to the equipment specifications section for specific instructions.
Consult MSDS Sheets
A caution icon will be used to present any information that may hold a potential
hazard or concern during the installation, use or maintenance of this product.
Should this information not be followed, it may result in damage of this equipment and
its surroundings.
Electrical shock or electrocution hazard
Pinch point or crushing hazard
Chemical hazard

RO Compact Series Technical Manual
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The warning icon will be used to present any information that may result in a severe
hazard or concern during the installation, use or maintenance of this product. Should this
information not be followed, it may result in severe physical harm.
Stay Clear
Do Not Touch
No Access:
Only properly trained and authorised persons may service or open panel.
Any tools or materials required during the installation, use or maintenance of this
equipment will be preceded by this icon. Using these specific tools will minimise time and
eort. Not using the proper tool may result in damage to this equipment, its surroundings
or even physical harm.

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Safety instructions:
The RO-Compact is safe to operate if the following safety instructions are followed.
• Start-up may only be performed by an authorised Kinetico service technician.
• The RO-Compact may only be connected to a dishwasher.
• The raw water must be of a tap water quality.
• The device only to be operated as described in these operating instructions.
• Do not use the device until you have read and understood the operating instructions, and have
been briefed in person by a technician on its work specifics and operation.
• Danger of electric shock: do not open any outer coverings, if a tool is required for this purpose.
Do not interfere with the electrical equipment of the device yourself, but always consult a
specialist (electrician/Kinetico service technician).
• The RO-compact must be connected to the cold water supply (max 25°C).
• Faults, which cannot be traced to the on-site water or power supply, should be reported to
Kinetico Dealer.
• STOP the water supply immediately if a leak occurs anywhere in the device. Unplug the device at
the mains to disconnect it from the power supply.
• The RO-Compact may only be installed in a frost-protected location.
• The RO-Compact may only be installed in rooms with floor drain.
• Make sure to not bend or trap any hoses or cables, when moving or cleaning the device.
• Do not block ventilation grids.
• Do not spray the RO-compact with a hose or high-pressure / steam-jet cleaner.

RO Compact Series Technical Manual
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Kinetico RO-Compact Range
The RO-Compact Range works on both a peak/batch delivery
operation (reserve volume) and a continuous flow operation
(rated hourly production).
Recovery times relate to the continuous production capacity of the unit.
System features include:
• Integrated Circuit Board Controller
• Batch Flow Meter
• Portable Cabinet Design
• Inlet Booster Pump
• Delivery Pump
• EvercleanTM, Permeate Rinse
• Low Energy Thin Film Composite Membrane

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Part numbers for RO-series RO-Compact 1 RO-Compact 2 RO-Compact 3
System with Integrated Bypass 170151 170152 170153
System with No-Bypass 170151-U 170152-U 170153-U
Minimum Rated Hourly Production@ 15˚C
Litres/hour
160 300 420
Minimum Daily Production1
Litres/day
3840 7200 10080
Reservoir Volume
Litres
35 66 66
Recovery Time of Reservoir
Minutes
14 14 10
Recovery (Hard Water Feed)
Max. 10˙dh
50% 50% 50%
Recovery (Hard Water Feed)
Max. 25˙dh
40% - -
Recovery (Soft Water Feed) 75% 75% 75%
Delivery Flow Rate
Litres/hour
1250 1250 1250
Delivery Pressure
bar
3,5 3,5 3,5
Membrane Type Compact
low3-4021
Compact
low3-4021
Compact
low3-4021
Number of Membranes 1 2 3
Sound Pressure Level2
db
61 62 61
1Based on feed TDS of 500 mg/l and a water temperature of 15˚C.
2Sound measured 1 m from the front of the unit and 1,6 m from the floor with the lid on.

RO Compact Series Technical Manual
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Additional Equipment
Components
Backwashing Filter:
The RO-Compact does not use a cartridge pre-
filter to remove suspended solids (TSS). Feed
water with a high level of suspended solids or
turbidity, may require additional pre-filtration.
Kinetico has a wide range of backwashing filters
which use a variety of media. Depending on
the type of solids in the water, the appropriate
media can be matched to your application.
The Kinetico laboratory can test for the TSS
content of feed water, if unknown, to determine
the pre-filter required.
High levels of TSS can cause fouling of the
Compact membrane, thus reducing both the
quality and quantity of the permeate water.
Carbon Filter:
A carbon filter is used to protect the compact
membrane from organic fouling and chlorine
degradation.
Both these types of fouling can seriously
damage the membrane of the RO.
With chlorine degradation, the membrane is
slowly and permanently damaged.
Maximum influent level of chlorine to
compact membrane is 0.05 mg/l.
Prolonged exposure to excessive levels of
chlorine will cause the membrane to be
destroyed. It would then need to be replaced.
Softener:
Hardness levels will aect the performance of
the RO-Compact system.
Depending on the inlet hardness level, a varying
level of system recovery is recommended.
With a hardness level above 10º dH, the system
should be pre-treated to reduce hardness
contamination on the membrane.
Calcium and magnesium are the two primary
constituents of hardness that lead to scale
build-up on the RO’s membrane. To prevent
this type of scaling, a softener can be used
to remove calcium and magnesium from
the water.
A chemical de-scaling may be substituted for
pre-softening the water in some applications.
However, some chemical additives may result
in a poorer quality of permeate water from
the RO.
Please note:
The use of various chemical additives are
controlled under regulatory standards.
Depending on the inlet characteristics of your water, additional
components may be required with your RO-Compact unit.
The install configurations of these accessories, along with a description of their functionality,
can be found below. Should you require further information, or if you are unsure as to your
individual requirements, please contact your Kinetico distributor.

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Compact Reverse
Osmosis System:
The RO-Compact uses reverse osmosis
technology to reduce the total level of dissolved
solids in a feed stream.
The system uses a spiral wound compact
membrane for production of permeate water.
The permeate water from the system typically
exhibits a 95% (or better) reduction of the
total dissolved solids level (TDS) from the
feed water.
The reject, or concentrate water contains
minerals that have not been permitted to pass
through the membrane. The RO-Compact also
features a permeate flush.
PERMEATE
CONCENTRATE
FLOW DIRECTION
PERMEATE SPACER
MEMBRANE
FEEDWATER SPACER

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Operating Conditions
The following operating parameters detail the optimum
conditions for peak performance of the Kinetico
RO-Compact Range.
If there are parameters that you are concerned about, please contact your local Kinetico
Representative.
Exceeding the stated specifications
may inhibit the performance or
cause the system to be permanently
damaged.
To ensure the conditions are met, annual water
analysis is recommended to keep track of your
water quality. This will indicate any changes in
your inlet water supply.
If the inlet supply does change, please contact
your Kinetico Representative for advice.
Modifications to the system or additional
equipment may be required to maintain peak
operation eciency.

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Model: RO-Compact 1 RO-Compact 2 RO-Compact 3
Unit
Dimensions d x w x h/mm 560 x 250 x 760 580 x 460 x 700 580 x 460 x 700
Minimum Production Rate
15oC Litres/hour
160 300 420
Minimum Inlet Flow Rate
15oC Litres/minute
6,7 40%
4,44 50%
2,96 75%
10 50%
5,91 75%
14 50%
8,87 75%
Membrane Type Thin Film Low 3 Thin Film Low 3 Thin Film Low 3
Number of Membranes 1 2 3
Rejection Rate Typical 97% - 98,5% 97% - 98,5% 97% - 98,5%
Recovery Ratio 0˚dh 75% 75% 75%
Recovery Ratio 10˚dh 50% 50% 50%
Recovery Ratio 25˚dh 40% --- ---
Inlet Pump Type Brass rotary vane Brass rotary vane Brass rotary vane
Inlet Motor watts 560 560 1120
Inlet Feed Valve solenoid valve solenoid valve solenoid valve
Delivery Pump multi-stage 500 watts multi-stage 500 watts multi-stage 500 watts
Power volts 230 230 230
Frequency hertz 50 50 50
Power kW 1,1 1,1 1,7
Feed Water
Pressure bar 1 - 7 1 - 7 1 - 7
Temperature˚C 5 – max 25 5 – max 25 5 – max 25
pH 3 - 10 3 - 10 3 - 10
Hardness (max.)˚dH 25 10 10
Iron (max.) PPM as Fe 0.2 0.2 0.2
Chlorine (max.) PPM as < 0,1 0,05 0,05
Total Dissolved Solids (max.)
PPL as NaCl
1,500 1,500 1,500
Operating Pressure bar 9 - 14 9 - 14 9 - 14
Product Water Storage Tank atmospheric atmospheric atmospheric
Fitting Connections
Inlet diameter 3/4” BPS SS 3/4” BPS N.B 3/4” BPS N.B
Permeate diameter 3/4” BPS SS 3/4” BPS N.B 3/4” BPS N.B
Drain diameter 10 mm Push-in 10 mm Push-in 10 mm Push-in

RO Compact Series Technical Manual
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The Components
The following components are used in the
RO-Compact series.
1Inlet:
The connection is a stainless steel, 3/4” BPS
male nipple.
2Outlet:
The connection is a 3/4” BSP male nipple.
Permeate line from the TC RO should be made
with stainless steel or plastic.
3Permeate Reservoir:
A 35 / 66 litres polypropylene container is used
to store permeate water. The material is ideal for
the storage of reverse osmosis quality water.
4Delivery Pump:
A multi-stage centrifugal pump. This pump will
pressurise the permeate water to 3 bar, at a flow
rate of 1200 l/h.
5Non-Return Valve:
Located after the distribution pump, it prohibits
water from back-flowing into the permeate
reservoir.
6Reservoir Overflow Connection:
A 1/2”(C1) 1”(C2,C3) tubing connection is to be
made to drain. This drain is a safety for the
overflow of the permeate reservoir.
7Electrical Connection:
A (1.5 mm2) cable is supplied with the unit. The
cable must be attached to an approved electrical
connector (plug).
Supply Power Required: 230 VAC, 1 Phase,
50 Hz.
8Drain (Reject) Connection:
A 10mm push style connection is used to make
the drain connection.
Do not restrict the drain connection, as this
could result in the building of pressure in excess
of 15 bar.
9Feed Solenoid Valve:
A brass, normally closed (NC) solenoid valve is
used to shut flow o to the system during
shutdown conditions.
10 Non-Return Valve:
An in-line non-return valve is used to prevent
back-flow from the system.
11 Inlet Pump:
The rotary vane pressurization pump provides
pressure to the RO-Compact series as required
for proper operation.
The motor used with this pump is of TEFC
construction.
The fan also provides air circulation within the
top cover of the cabinet, helping to regulate
the temperature of the electronics. The pump
is design to deliver 1,000 l/h at 12 bar pressure.

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12 Low Pressure Switch:
The low pressure switch is used to shut the
system down if an inadequate feed pressure is
present.
The set point for the pressure switch is 1 bar.
The switch is located between the inlet valve
and pump.
13 By-Pass Solenoid Valve:
Another exclusive feature of the RO-Compact
series Is an automatic by-pass valve. As a
normally open valve, the valve allows inlet water
to be bypassed should the permeate reservoir
become exhausted.
This assures the operator equipment or process
will not be damaged by a lack of water. Provided
there is water in the permeate tank, the by-pass
valve instantly closes as soon as the flow switch
is activated by the need for water. (This valve
is not included with the “U” versions of these
systems.
These units have no bypass. A pressure switch
is substituted for the bypass to signal the
operation of the pressurization pump.)
14 Non-Return Valve:
This nickel plated valve prohibits permeate
water from back flowing to the inlet tap.
15 Flow Switch:
This electric contact has a sensitivity to activate
at 1 l/m.
At this contact, the unit shuts the bypass
valve, provided there is water in the permeate
reservoir, and activates the distribution pump.
Fittings:
The following fittings are used in the
RO-Compact Series.
(Despite appearances, they have the same part
number and function in the same way.)
Part 170451:
Part 170449:
Part 170448:
Part 170463:
Part 521122:

RO Compact Series Technical Manual
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3
6
1
7
2
Close Up:
11
12
10
9
See pages 12 - 13 for component descriptions.
RO Compact 1:
13
8
4
5
14
15

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1
3
2
6
4
7
RO Compact 2:
Close Up:
See pages 12 - 13 for component descriptions.
15
13
8
10 12
14
1
2
3
9
5
17

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RO Compact 3:
See pages 12 - 13 for component descriptions.
Close Up:
8
10
11
12
11
14
15
9
6
7
4
5
3
2
1
13

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Level Switch:
A level Switch is built into the permeate reservoir.
System Controller:
The Compact Series is operated by a microprocessor controller, designed to enhance the
operation of the system when operating with dishwasher machines.
The mid and high level switches are used to
measure permeate volume. With a set distance
between these floats, the circuit board is designed
to time the refill between these two points, and
display the calculated batch flow rate.
Each input is a low voltage signal processed
internally by the controller. Each output is
processed at 230 VAC, and controlled by the
system’s input. All of this adds to the safety of
the system’s operation.
The following components are operated by
the controller:
• Inlet Pump
• Inlet Solenoid Valve
• By-pass Solenoid Valve
• Distribution Pump
Please note: The control Box has no serviceable
components and should not be opened, unless
by a trained electrician.
Permeate Flow Rate
The permeate flow rate will be displayed after the
completion of each batch cycle (when the unit
refills with water between the mid and high levels,
without calling for water). Three dashes will be
displayed (- - -), when the refill cycle is interrupted
by the distribution pump calling for water.
Power
A number or three dashes, will indicate when
power is energized to the system.
Membrane Alarm
The Membrane Alarm “ERR” will activate if a
product cycle is lower than the alarm set point. It
will flash if the production cycle is above the alarm
set point. In each case, service is recommended.
No Water Alarm
The No Water Alarm will activate when feed
pressure to the system is below minimum. It will
flash when the cabinet is empty.

RO Compact Series Technical Manual
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Installation
Pre-Installation Review:
Before beginning the installation of the RO-
Compact, determine the system configuration
to be installed and components that have been
ordered. Please refer to the RO-Compact series
system specification sheet which will specify
the required components.
A thorough review of the customer’s facilities
is also recommended. Pay particular attention
to the critical operating data which could aect
the operation of the system.
Water Pressure:
Water pressure to the RO-Compact
system has an eect on the maximum
flow through the system. The system will
not operate if the inlet pressure fluctuates
below a dynamic pressure of 1 bar.
This minimum pressure must be maintained
to the system at all times. Should the pressure
fluctuate below this level, a booster pump may
be required.
Temperature:
The ambient temperature must be
maintained above 2°C.
Freezing temperatures will cause damage to the
equipment and void all warranties.
Inlet water temperature must be
maintained between 5°C and 25°C.
This is necessary to prevent damage to the
system’s membrane.
System Location:
The unit must be
installed indoors.
Failure to comply with this requirement can
cause significant damage to the system and will
create a safety concern.
The unit must be placed on a frost-free, even
surface.
The floor must be able to withstand the load of
the system when filled with water:
76 kg RO-Compact 1
125 kg RO-Compact 2
138 kg RO-Compact 3
The unit must be installed in a room
with open floor drains.
Do not block ventilation grids at base
of system.
Electrical Connection:
Electrical connection must be made in
accordance with local regulations.
The following process has been developed to assist you with
the installation of your RO-Compact product.
The installation of this RO should be performed by a qualified service person with an
understanding of local and regional codes that may aect the installation requirements.