Puretec Radfire RI-NSFA Series User manual

User Manual
Puretec Radfire™ Commercial UV Water Sanitiser
RI-NSFA Series
For correct operation & installation, it is essential to observe these instructions.
OCT2022
DO NOT OVERTIGHTEN.
DO NOT USE
LIQUID SEALANTS.
SURGE PROTECTION
REQUIRED /
NO EXTENSION CORDS.
RI-NSFA-2K, RI-NSFA-4K,
RI-NSFA-6K Tested and Certified by
NSF International against CSA
B483.1 and NSF/ANSI 55 for
Disinfection Performance, Class A
AS/NZS 3497
WM 040223
Global-Mark.com.au

2Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Introduction
Puretec Customer Service
Thank you for purchasing a Radfire UV (ultraviolet) Water Steriliser. Your UV Water Steriliser
is a proven performer, manufactured from highest quality materials and will give years of
trouble free service if maintained properly.
Protecting your water supply with a UV system gives you reassurance that you will have
access to safe drinking water throughout the entire building/facility with no chance of
microbiological contamination. This is chemical free process which is simple in its concept
and effective in its abilities to inactivate microorganisms present in the water supply. Simple
maintenance, continuous inactivation and ultimately safe water. Puretec makes it that easy.
Customer Service Helpline 1300 140 140 (Australia) 0800 130 140 (New Zealand).
What's Inside
Safety Considerations................................................................................................................... 3
Before Installation ......................................................................................................................... 3
Safety Information ........................................................................................................................ 4
Water Quality ................................................................................................................................... 8
Fig. 1 - Exploded Diagram ........................................................................................................ 9
Fig. 2 - Installation Diagram ................................................................................................. 10
Fig. 3 - 6 - Dimensions.............................................................................................................. 12
Pipe Lengths .................................................................................................................................. 16
Installation ....................................................................................................................................... 17
Cleaning Procedure ..................................................................................................................... 23
Maintenance.................................................................................................................................... 26
Operation.......................................................................................................................................... 34
Troubleshooting............................................................................................................................. 37
Individual Model Specifications ............................................................................................ 38
Warranty............................................................................................................................................ 43

3Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Introduction
Safety Considerations
Although your UV system has been manufactured to the highest safety standards, care must
be followed when operating and/or maintaining your system.
1. Before servicing this equipment, disconnect the power cord from the electrical outlet.
2. Energy given off by the UV lamp is harmful to your eyes and skin. NEVER look directly
at an illuminated UV lamp without adequate eye protection and always protect your skin
from direct exposure to the UV light.
3. For complete performance, use ONLY genuine Puretec replacement parts.
4. Damage caused from the use of non-genuine replacement lamps or parts, poses a safety
risk and is not covered by equipment warranty.
5. Do not operate the unit if it has any damaged or missing components.
6. To avoid possible electrical shock, use only with a properly grounded electrical outlet.
7. Never perform any maintenance to the system unless you are comfortable in doing so.
Contact Puretec for service instructions if required.
8. Do not use this system for any purpose other than what it was intended for. Misuse of
this system could potentially cause harm to the user or others.
9. Your system is intended to be installed indoors and away from leaking plumbing. DO
NOT plug the unit in if the system or any of the components are wet.
10. The UV system should be directly installed into a ground fault circuit interrupter (GFCI). If
the use of an extension cord is required, the cord must be manufactured with a minimum
of 16 gauge wire and care should be taken to avoid potential tripping hazards.
11. A licensed plumber or certified technician must install the system.
Before Installation
Installation Note: A water filter system/tap, like any product, has a limited lifespan and if
not replaced, will eventually fail. Failure can happen early due to unforeseen circumstances.
To avoid possible property damage, this product should be regularly examined for leakage
and/or deterioration and replaced when necessary. We strongly recommend that a drain pan,
plumbed to an appropriate drain or outfitted with a leak detector, be used in those applica-
tions where any leakage could cause property damage. We also strongly recommend that the
water supply be turned off, upstream to the water filter system/tap, if no one is home for an
extended period of time.
INSTALLATION SHOULD BE COMPLETED BY QUALIFIED TRADESPEOPLE. FAULTY
OPERATION DUE TO UNQUALIFIED PERSONS WILL RESULT IN VOIDED WARRANTY
COVERAGE.

4Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Safety Information
Safety Information
Please read this entire user manual before operating any equipment. Pay particular attention to all
danger, warning, and caution statements within this user manual. Failure to do so could result in
serious personal injury or damage to the equipment.
Make sure that the protection provided by this equipment is not impaired. DO NOT use or install
this equipment in any manner other than that specified in the user manual.
WARNING: For correct operation of this system it is essential to observe the manufacturer's
instructions.
Potential Hazards
Read all labels and tags attached to the system. Personal injury or damage to the system could
occur if not observed.
Waste electrical and electronic equipment
(WEEE). This symbol indicates that you
should not discard wasted electrical or
electronic equipment (WEEE) in the trash.
For proper disposal, contact your local
recycling/reuse or hazardous waste center.
This symbol indicates not to store any
combustible or flammable material close
to the system.
This symbol indicates there is Mercury
present.
This symbol indicates that the contents of
the transport package are fragile and the
package should be handled with care.
This is the safety alert symbol. Obey all
safety messages that follow this symbol
to avoid potential injury. When on the
equipment, refer to the user manual for
additional safety information.
This symbol indicates safety glasses with
side protection is required for protection
against UV exposure.
This symbol indicates a risk of electrical
shock and/or electrocution exists.
This symbol indicates gloves must be
worn.
This symbol indicates the marked
equipment may contain a component that
can eject forcibly. Obey all procedures to
safely depressurize.
This symbol indicates safety boots must
be worn.
This symbol indicates the system is under
pressure.
This symbol indicates the operator must
read all available documentation to
perform required procedures.
This symbol indicates there is a potential
UV hazard. Proper protection must be
worn.
This symbol indicates the plumber must
use copper piping.
This symbol indicates the marked item
could be hot and should not be touched
without care.
This symbol indicates that the system
should only be connected to a properly
grounded, grounding-type controller
receptacle that is protected by a Ground
Fault Circuit Interrupter (GFCI).
This symbol indicates there is a potential
for VERY hot water when flow is started.
Hg
UV
Cu

5Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Safety Information
DANGER
Failure to follow these instructions will result in serious injury or death.
• Electric Shock: To avoid possible electric shock, special care should be taken as water is pres-
ent near the electrical equipment. Unless a situation is encountered that is explicitly addressed by
the provided maintenance and troubleshooting sections, DO NOT attempt repairs yourself, refer to
Puretec for advice.
• GROUNDING: This product must be grounded. If it should malfunction or breakdown, grounding
provides a path of least resistance for electric current to reduce the risk of electrical shock. This
system is equipped with a equipment-grounding conductor and grounding plug. The plug must be
plugged into an appropriate outlet that is properly installed and grounded in accordance with all local
codes and ordinances. Improper connection of the equipment-grounding conductor can result in a risk
of electrocution. Check with a qualified electrician or Puretec if you are in doubt as to whether the
outlet is properly grounded. DO NOT modify the plug provided with this system – if it does not fit in
the outlet, have a proper outlet installed by a qualified electrician. DO NOT use any type of adapter
with this system.
• GROUND FAULT CIRCUIT INTERRUPTER PROTECTION: To comply with the electrical codes and to
provide additional protection from the risk of electric shock, this system should only be connected to
a properly grounded, grounding-type controller receptacle that is protected by a ground fault circuit
interrupter (GFCI) or to a residual current device (RCD) having a rated residual operating current not
exceeding 30 mA. Inspect operation of GFCI as per manufacturer’s suggested maintenance schedule.
• DO NOT operate the UV system if it has a damaged cord or plug, if it is malfunctioning or if it has
been dropped or damaged in any manner.
• DO NOT use this UV system for other than intended use (potable water applications). The use of at-
tachments not recommended or sold by Puretec may cause the system to become unsafe.
• DO NOT install this UV system where it will be exposed to the weather or to temperatures below
freezing.
• DO NOT store this UV system where it will be exposed to the weather.
• DO NOT store this UV system where it will be exposed to temperatures below freezing unless all
water has been drained from it and the water supply has been disconnected.

6Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Safety Information
WARNING
• During extended periods of no water flow, the water in the UV chamber can become very hot (Approx.
60 °C) and can potentially lead to scalding. It is recommended to run the water until the hot water
has been purged from the UV chamber. DO NOT allow water to come into contact with your skin
during this time. For prevention, a temperature management valve can be installed at the outlet of
the UV system.
• DO NOT allow water to pass through the UV system for a minimum of 5 minutes aer switching the
power on (including aer power interruptions) to avoid passing under-treated water that may, in rare
instances, pose health hazards.
• This system contains a UV Lamp. DO NOT operate the UV Lamp when it has been removed from
the chamber. Unintended use or damage of the system may result in the exposure of dangerous UV
radiation. UV radiation may, even in little doses, cause harm to the eyes and skin.
• Changes or modifications made to this system without the consent of Puretec could render the
system unsafe for operation and may void the warranty.
WARNING: This product can expose you to chemicals including phthalates, which is to cause cancer,
and mercury, which is known to cause birth defects or other reproductive harm. For more information
ask Puretec.
CAUTION
Failure to follow these instructions could result in minor or moderate injury.
• Double pole/Neutral fusing.
• Carefully examine the UV system aer installation. It should not be plugged in if there is water on
parts not intended to be wet such as, the controller or lamp connector.
• Due to thermal expansion concerns and potential material degradation due to UV exposure, it is
recommended to use metal fittings and at least 10" of copper pipe on the outlet of THE UV chamber.
• Hg EXPOSURE: The UV lamp contains mercury. If the lamp breaks, avoid inhalation or ingestion of
the debris and avoid exposure to eyes and skin. Never use a vacuum cleaner to clean up a broken
lamp as this may scatter the spilled mercury. Obey local regulations and guidelines for the removal
and disposal of mercury waste.
NOTICE
• The RI-NSFA-2K, RI-NSFA-4K, and RI-NSFA-6K UV systems inactivate E.Coli, Fecal Coliform,
Cryptosporidium, Giardia, and Rotavirus.
• The RI-NSFA-11K system is validated through microbial testing. Through this testing, performance
data has been generated for UV dose delivery to inactivate Cryptosporidium & Giardia.
UV
Hg

7Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Safety Information
• The UV lamp inside the UV system is rated at an effective life of approximately 18000 hours. To
ensure continuous protection, replace the UV lamp once in two years.
• The UV system is not to be used or played with by children. Persons with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, are also not to handle the UV system unless
they have been given supervision or instruction.
• This system is intended to be permanently connected to the water lines.
• This system is not intended to be used in or above water or outdoors or used in swimming pools
when persons are in the pool.
• EXTENSION CORDS: If an extension cord is necessary, use only 3-wire extension cords that have
3-prong grounding-type plugs and 3-pole cord connectors that accept the plug from this system. Use
only extension cords that are intended for outdoor use. Use only extension cords having an electrical
rating not less than the rating of the system. A cord rated for less amperes or watts than this system
rating may overheat. Exercise caution when arranging the cord so that it will not be tripped over or
pulled. DO NOT use damaged extension cords. Examine extension cord before using and replace if
damaged. DO NOT abuse extension cord. Keep extension cord away from heat and sharp edges.
Always disconnect the extension cord from the receptacle before disconnecting this system from the
extension cord. Never yank cord to pull plug from outlet. Always grasp the plug and pull to disconnect.
• If the supply cord is damaged, it must be replaced by a special cord or assembly available from the
manufacturer or its service agent.
• If this system is used for the treatment of untreated surface waters or ground water under the
direct influence of surface water, a device found to be in conformance for cyst reduction under the
appropriate NSF/ANSI Standard needs to be installed upstream of the system.
• SYSTEM PROTECTION: To protect your Controller, a UL1449 certified (or equivalent) transient
voltage surge suppressor is strongly recommended.
• The UV lamp in this system conforms to the applicable government regulations
• Read and ensure you understand the user manual before operating or performing any maintenance
on this equipment.
• The Class A systems conforms to NSF/ANSI 55 for the disinfection of microbiologically contaminated
water that meets all other public health standards. The system is not intended to convert wastewater
or raw sewage to drinking water. The system is intended to be installed on visually clear water.
• NSF/ANSI 55 defines wastewater to include human or animal body waste, toilet paper, and any other
material intended to be deposited in a receptacle designed to receive urine and feces black waste),
and other waste materials deposited in plumbing fixtures (greywaste).
AS/NZS 3497
WM 040223
Global-Mark.com.au
Category
BacteriaII(a)
Removal
Treatment type PassFunction
Will remove or
inactivate bacteria
This appliance meets the domestic water treatment appliance
Standard AS/NZS 3497 for the following water treatment process:

8Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Water Quality
Water Quality
Water quality is extremely important for the optimum performance of your UV system. The
following levels are recommended for installation:
* Where total hardness is less than 7 gpg, the UV unit should operate efficiently provided the
quartz sleeve is cleaned periodically. If total hardness exceeds 7 gpg, the water should be
soened. If your water chemistry contains levels in excess of those mentioned above, proper pre-
treatment is recommended to correct these water problems prior to the installation of your UV
system. These water quality parameters can be tested by your local Puretec dealer, or by most
private analytical laboratories. Proper pre-treatment is essential for the UV system to operate as
intended.
Water Quality & Minerals Level
Iron < 0.3 ppm (0.3 mg/L)
Hardness* < 7 gpg (120 mg/L)
Turbidity < 1 NTU
Manganese < 0.05 ppm (0.05 mg/L)
Tannins < 0.1 ppm (0.1 mg/L)
UV Transmittance > 75% (call factory for recommendations on applications where UVT < 75%)

9Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Exploded Diagram
Controller
Lamp Cord
Top Bolt & Wire Form
Lamp
Sleeve
O-Ring
Cool Touch Fan
Chamber
O-Ring
Bottom Bolt (includes screw)
Sleeve Removal Tool
Plug
Sensor
Flow Meter Sensor
Power Cord
Fig. 1 - Exploded Diagram

10 Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Installation Diagram
INLET
OUTLET
1830 mm
Clearence for lamp
removal.
Maximum 1820 mm 1220 mm
250 mm (L) x 1” (Dia)
Minimum 300 mm
Fig. 2 - Installation Diagram
12
3
4
5
6
7
89
10
11
12
13
14
15
16

11Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Installation Diagram
No. Description Function
1Sample Valve Allows for the sampling of raw water.
2Shut-off Valve Allows for easy maintenance of pre-treatment equipment.
3Pre-Treatment
Pre-treatment allows the UV system to operate effectively. The water
should meet certain water quality parameters before entering the UV
System.
4Bypass Shut-off Valve Bypass line and valve are optional. Intended to provide emergency water
supply in the event that the UV system is unavailable.
5Shut-off Valve Required to allow maintenance of the UV system.
6Solenoid Valve
Allows water supply to be shut-off when proper performance cannot be
assured.
Note: If the ground from the electrical panel is tied to copper water lines,
and a Plastic Body solenoid valve is being used, installation of an approved
ground strap is required. This ground strap will maintain continuity
between the lines that have been cut to install the solenoid. Check your
local electrical code for the correct clamp and cable size.
7Sample Valve Allows for sampling of water entering the UV chamber; necessary in order
to confirm water being treated is of adequate quality.
8Plug A stopper provided and installed on basic models.
9Sensor Monitors UV output to ensure proper dose (UV exposure) is being provided.
10 UV Chamber Treats the water with UV light. MUST BE INSTALLED VERTICALLY.
11 Cooling Fan Removes excess heat from water in the chamber during periods without
water flow.
12 Sample Valve Allows for sampling of water. Necessary in order to confirm proper
operation of the UV system.
13 Shut-off Valve Allows maintenance of the UV system.
14 Controller
Powers and controls the UV lamp and other devices. Provides human
interface, displaying information and allowing control inputs (such as
muting the audible alarm).
15 Power Source
Provides power to the controller. For safety reasons the outlet must be
protected by a ground fault circuit interrupter (GFCI).
Note: To protect the controller, a UL1449 certified (or equivalent) transient
voltage surge suppressor is required.
16 Flow Sensor Monitors flow to provide real time dose (UV exposure) Flow Meter Sensor
must be installed in this orientation with the LED facing up.

12 Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Dimensions
Fig. 3 - RI-NSFA-2K Dimensions
Measurements are shown in mm.

13Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Fig. 4 - RI-NSFA-4K Dimensions
Dimensions
Measurements are shown in mm.

14 Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Fig. 5 - RI-NSFA-6K Dimensions
Measurements are shown in mm.

15Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Fig. 6 - RI-NSFA-11K Dimensions
Measurements are shown in mm.

16 Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Pipe Lengths
Pipe Lengths
The recommended minimum straight pipe lengths for the various piping configurations are:
Note: The flow meter sensor must be mounted in the following orientation with the LED facing
up. Ensure all air is purged from the piping and flow meter sensor. All straight length to the flow
meter sensor must be 1.00" in diameter.
Straight Flange 250 mm Straight Pipe Reducing Flange 380 mm Straight Pipe
2 x 90° Elbows 3 Dimensions 1020 mm Straight Pipe
2 x 90° Elbows 635 mm Straight Pipe
Pump 1270 mm Straight Pipe

17Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Installation
Installation
Prerequisites:
• Determine an appropriate indoor location of the controller and chamber, refer to Fig. 2
Installation Diagram
• Make sure that the controller is installed higher than the chamber and away from all water
sources.
• Ensure adequate clearance above chamber to allow for removal of the lamp and sleeve.
• Make sure to turn off the main water supply.
• Make all necessary plumbing connections refer to Fig. 2 Installation Diagram.
• Never connect PVC pipe directly to the unit. The outlet pipework within 1 metre should be
metal or polyethylene.
CAUTION
Electronic controller must be connected to a ground fault protected circuit (GFCI) receptacle.
Failure to follow these instructions could result in minor or moderate injury.
Thermal Hazard
• Allow UV lamps, UV chamber to cool for a minimum of 10 (ten) minutes before handling.
• When there is no water flow, the water in the chamber will become hot. To prevent scalding, allow the
unit to cool for 10 minutes before draining the system.
Personal Injury Hazard
• UV lamps and quartz sleeves are fragile. DO NOT strike, bend or apply pressure, or they will break.
• DO NOT handle UV lamps or quartz sleeves with bare hands. Wear rubber or latex gloves to handle
previously installed UV lamps and soiled quartz sleeves to protect against contaminants. Wear cotton
gloves to handle new UV lamps and clean quartz sleeves.
NOTICE
Avoid Injury
• Read and understand this user manual before operating and performing any maintenance on this
equipment.
System Protection
• To protect the Controller, a UL 1449 certified (or equivalent) transient voltage surge suppressor is
strongly recommended.

18 Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Flow Meter Parts Indentification
1
Fig. 7 - Flow Meter Parts Identification
1. Install the UV Chamber vertically with a 698.5 mm
spacing on the wall using screws.
Note: Ensure chamber is installed with green arrows
pointing upwards.
2. To connect the Flow meter sensor, apply three loops of thread
seal tape to the NPT inlet thread.
1" Pipe
1¼" NPT to 1" Reducer
Union Hub
Flow Meter
NPT Inlet Thread
Union Nut
Union Hub
Union Nut

19Puretec Radfire RI-NSFA SeriesCopyright © Puretec Pty Ltd 2022
Installation
3. Tighten the union hub and nut approximately four turns from
initial engagement or until leak-tight.
Note: DO NOT over tighten as excessive force may damage
fittings.
4. Attach flow meter and hand tighten nut.
5. With three loops of thread seal tape to the NPT thread,
connect a 1¼" NPT - 1" reducer (not supplied) to a 1"
pipe.
6. Tighten the union hub and nut to the reducer, approximately
four turns from initial engagement or until leak-tight.
Note: NO NOT over tighten as excessive force may damage
fittings.
7. Hand tighten the locking nut.
Note: the LED must face up.

20 Installation & Operation Manual Copyright © Puretec Pty Ltd 2022
Installation
8. Install the sensor to the UV system.
Note: DO NOT use a wrench to tighten the sensor.
9. Connect the sleeve bolt at the bottom of the chamber. Ensure the
sleeve bolt is rotated a full 1/4 turn until it stops.
10. Insert the sleeve with the arrow pointing up.
Note: DO NOT rotate the sleeve or touch the glass with bare
hands. Use cotton gloves to handle the sleeve.
11. Wet the O-ring with water and place over the top end of the
sleeve.
2
1