Antunes AQ-RO-400-NT User manual

P/N 1011965 Rev A 08/22
Reverse Osmosis
System
Owner’s Manual
Models
AQ-RO-400, AQ-RO-400-NT,
AQ-RO-600 & AQ-RO-600-NT
Manufacturing Numbers:
9710161, 9710162,
9710163, 9710164
www.antunes.com CAUTION: Read all instructions before using the unit.
Original Instructions

P/N 1011965 Rev A 08/22
2
General
This manual provides important safety,
installation, and operating procedures.
All information contained in this manual
should be read prior to installing and oper-
ating the system.
This system is manufactured from the n-
est materials available and is assembled
to strict quality standards. This system
has been tested at the factory to ensure
dependable trouble-free operation.
Warranty
Information
Please read the full text of the Limited
Warranty in this manual.
If the system arrives damaged, contact
the carrier immediately and le a damage
claim with them. Save all packing materials
when ling a claim. Freight damage claims
are the responsibility of the purchaser and
are not covered under warranty.
The warranty does NOT extend to:
yDamages caused in shipment or
damage as result of improper use.
yInstallation of electrical service.
yNormal maintenance as
outlined in this manual.
yMalfunction resulting from
improper maintenance.
yDamage from moisture leaking into
electrical
components.
yDamage from tampering with,
removal of, or changing any
preset control or safety device.
IMPORTANT
Antunes reserves the right
to change specications and product
design without notice. Such revisions do
not entitle the buyer to corresponding
changes, improvements, additions or
replacements for previously purchased
equipment.
IMPORTANT
Keep these instructions for future
reference.
If the unit changes ownership, be sure
this manual accompanies the equipment.
Service/Technical
Assistance
If you experience any problems with the
installation or operation of your system,
contact Antunes Technical Service at
[phone] (toll free).
Fill in the information in the next column
and have it handy when calling for assis-
tance. The serial number is on the speci-
cation plate located on the system.
Purchased From
Date of Purchase
Model Number
Serial Number
Mfg. Number
Suggested replacement period for the RO
Cartridge is 1 year.
IMPORTANT
This equipment is to be installed to
comply with the basic plumbing code
of the Building O󰀩cials and Code Ad-
ministrators, Inc. (BOCA) and the Food
Service Sanitation Manual of the Food
and Drug Administration (FDA).
IMPORTANT
Water Flow Regulator Assemblies are
NOT interchangeable. Operating the
system with the wrong Water Flow
Regulator or without a regulator can
damage the system, cause personal
injury, and voids the warranty!
CAUTION
When installed on metallic plumb-
ing, a properly sized electrical bonding
jumper must be installed across the
inlet and outlet pipes serving this unit.
Contents
General ........................................... 2
Warranty Information .................... 2
Service/Technical Assistance....... 2
Important Safety Information ....... 3
Specications ................................ 4
Replacement Cartridges ............... 4
Performance Data Sheet ............... 5
Performance for % Reduction ...... 5
Water Mark Listing ........................ 6
Operation ........................................ 7
Overview ....................................... 7
Installation ...................................... 8
Equipment Setup........................... 8
Mounting the System .................... 8
Drain Connection ......................... 10
Controller Operation...................... 11
Inlet Water Plumbing..................... 12
System Inlet Connection ............... 12
Filtered Water Outlet Connection.. 12
Install Pre-lters RO Membrane.... 12
Rinsing the RO System................. 13
Sanitizing the Plumbing................. 14
Maintenance ................................... 14
Replacing the RO Cartridge.......... 14
Replacing the Carbon Cartridge ... 15
Replacing the Prelter Cartridge... 15
Sanitization.................................... 15
Initial Performance Verication...... 16
RO Recovery Calculation.............. 16
Semi-Annual Tasks ........................ 16
Check Tank Air Pre-Charge........... 16
Annual Tasks ................................. 16
Change Cartridges........................ 16
Troubleshooting ............................ 17
Replacement Parts ....................... 18
Exploded View .............................. 18
Parts List ....................................... 19
Notes............................................... 21
Limited Warranty ........................... 22

P/N 1011965 Rev A 08/22 3
Important Safety
Information
In addition to the warnings and cautions in
this manual, use the following guidelines to
safely operate the system:
yRead all instructions before
using equipment.
yInstall or locate the equipment
only for its intended use as
described in this manual.
yDo NOT use corrosive
chemicals in this equipment.
yDo NOT operate this equipment
if it has a damaged cord or plug;
if it is not working properly, or if it
has been damaged or dropped.
yThis equipment should be serviced
by qualied personnel only. Contact
Antunes Technical Service for repair.
yDo NOT immerse cord
or plug in water.
yKeep cord away from
heated surfaces.
yThis equipment should be
supplied with only cold water.
yThe use of saddle valves
are not permitted. Please
consult your local plumber.
The following warnings and cautions ap-
pear throughout this manual and should be
carefully observed.
yThis equipment is to be installed to
comply with the local plumbing code
and any other applicable code.
yWater pressure must not
exceed 100 psig (690 kPa). To
reduce water pressure, install
a water pressure regulator and
set to suit the application.
yWhen installed on metallic
plumbing, a properly sized
electrical bonding jumper must
be installed across the inlet and
outlet pipes serving this unit.
Protect from becoming dry
If the membrane dries out, irreversible
damage to the RO membrane may result.
Protect the lter from becoming dry by
keeping it wet and sealed at all times.
Protect from freezing
If the RO membrane freezes during opera-
tion or storage, irreversible damage to
the membrane and brittle cracking of the
cartridge or housing may result.
Protect from direct sunlight or other UV
sources
Avoid long-term exposure to direct sunlight
or other UV sources. The RO should be
stored in a dark location.
Protect from high temperatures or
abrupt variation in temperature
The maximum operating temperature is
100°F (38°C). Avoid abrupt variations in
temperature. Any temperature variation
should be made slowly.
Protect from rough handling or
dropping
Mechanical damage, external breakage,
and/or internal breakage of the lter can
result if the system is dropped or bumped.
Handle with care at all times during trans-
portation and installation.
Protect from organic solvents and
concentrated acids
Prevent any and all contact of the mem-
brane with strong solvents, solvents
containing chlorine, or concentrated acids.
Do NOT use strong solvents or concen-
trated acids on any plastic parts of the lter
system. Examples of some solvents to
avoid: acetone, methyl acetate (nail polish
remover); hexane (spot removers); turpen-
tine, toluene (paint thinners); dry cleaning
solutions, insecticides.
Protect from abrasive material
The membranes must be protected from
abrasive materials like shavings left in a
pipe. Abrasive materials in contact with the
membrane can cause irreversible dam-
age to the membrane. All pipes must be
ushed clean before installing the lter. All
plastic parts of the lter system must be
protected from sharp objects like knives,
sand paper, or other tools. Cutting or nick-
ing a plastic part can weaken it and cause
a leak. Do NOT use abrasive cleansers on
any plastic parts.
Protect from water hammer
The system must be protected from shock,
pressure surges, or pulsation that may
occur inside water pipes. Water hammer
occurs in pipes when a valve or faucet
shuts quickly. Install a water hammer ar-
restor (pressure vessel containing com-
pressed air separated from the water by a
diaphragm) to reduce pressure shock.

P/N 1011965 Rev A 08/22
4
Specications
Model &
Mfg. No.
Width
(A)
Depth
(B)
Height
(C)
Operating
Weight
AQ-RO-400
AQ-RO-600
AQ-RO-400-NT
AQ-RO-600-NT
27”(69cm) 13” (33 cm) 32” (80 cm) 65lbs (30 kg)
Model &
Mfg. No. Volts Amps Hz Watts
AQ-RO-400
AQ-RO-600
AQ-RO-400-NT
AQ-RO-600-NT
120-240V
(220V) 0.5 A 50 Hz 110 W
Replacement Part Number
AQ-RO-400
AQ-RO-600
AQ-RO-400-NT
AQ-RO-600-NT
Sediment Prelter Cartridge (Single Pack) 7100040
Carbon Prelter Cartridge (Single Pack) 7000834
AQ-RO-400
AQ-RO-400-NT Reverse Osmosis Cartridge (Single Pack) 7002303
AQ-RO-600
AQ-RO-600-NT Reverse Osmosis Cartridge (Single Pack) 7002304
Replacement Cartridges
CAUTION
When installed on metallic plumbing,
a properly sized electrical bonding
jumper must be installed across the
inlet and outlet pipes serving this unit.
CAUTION
To ensure proper installation wall
anchors for unit must be rated for
AT LEAST 60lbs (30 kg) or MORE for
proper operation weight support.
A
Reserve 200mm
for tubing connect
(100mm for each side)
C
Reserve 200mm
for tubing connect
(100mm for each side)
B
Allow at least 2”(50mm) for cartridge change
24.41”
5.0”
15.31”
NOMINAL
TANK
VOLUME
60 L
(15.9 GAL)
1” NPT WATER
CONNECTION

P/N 1011965 Rev A 08/22 5
System Capacities 400 GPD System 600 GPD System
Minimum Operating Pressure 10 psi 10 psi
Maximum Operating Pressure 100 psi 100 psi
Minimum Operating Temperature 40° F (4° C) 40° F (4° C)
Maximum Operating Temperature 100°F (38° C) 100°F (38° C)
pH Range 4-10 4-10
Maximum Total Dissolved Solids
(TDS) 1,000 ppm 1,000 ppm
Maximum Hardness 60 gpg 60 gpg
Silt Density Index < 5 < 5
Iron, Hydrogen Sulde, or
Manganese 0 0
Nominal Capacity 400 600
(Membrane
performance after 24
hours at 77° F (25° C),
500 ppm TDS, and 70
psig)
(Membrane
performance after 24
hours at 77° F (25° C),
500 ppm TDS, and 80
psig)
Performance Data Sheet