Fresh Water Systems NWTS4 Series Operation & Installation Instructions

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Operation & Installation Instructions

NWTS4

Series

NWTS4-C

Series

NWTS - Standard Systems

System

Rated Flow

NWTS4-2

NWTS5-2

2 gpm

NWTS6-2

NWTS4-3

NWTS5-3

3 gpm

NWTS6-3

NWTS4-6

NWTS5-6

6 gpm

NWTS6-6

NWTS4-11

NWTS5-11

11 gpm

NWTS6-11

NWTS4-15

NWTS5-15

15 gpm

NWTS6-15

NWTS4-21

NWTS5-21

21 gpm

NWTS6-21

NWTS5/6

Series

System

Rated Flow

NWTS4-5C

NWTS5-5C

4.1 gpm

NWTS6-5C

NWTS4-10C

NWTS5-10C

10 gpm

NWTS6-10C

NWTS4-15C

NWTS5-15C

14 gpm

NWTS6-15C

NWTS4-25C

NWTS5-25C

25 gpm

NWTS6-25C

NWTS4-40C

NWTS5-40C

40 gpm

NWTS6-40C

NWTS5/6-C

Series

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Page 1 Operation & Installation Instructions NWTS4 NWTS4-C NWTS5/6 NWTS5/6-C Series Series Series Series NWTS - Standard Systems System Rated Flow System Rated Flow NWTS4-2 NWTS4-5C NWTS5-2 2 gpm NWTS5-5C 4.1 gpm NWTS6-2 NWTS6-5C NWTS4-3 NWTS4-10C NWTS5-3 3 gpm NWTS5-10C 10 gpm NWTS6-3 NWTS6-10C NWTS4-6...
Page 2 Congratulations on purchasing this ultraviolet disinfection system. By purchasing a Nelsen Water Treatment Solutions (NWTS) UV Disinfection system you are receiving not only a high quality product but also peace of mind. Protecting your water supply with a UV system gives you reassurance that your family will have access to safe drinking water throughout your entire home with no chance of microbiological contamination.
Page 3: Table Of Contents
TABLE OF CONTENTS Safety Considerations ................... 4 Before You Begin ....................5 Water Quality Parameters ..................5 Assembly ......................6 System Sizing ......................8 Location ........................ 8 Installation ......................9 System Disinfection .................... 12 Cleaning the Quartz Sleeve ................13 Cleaning the UV Sensor ..................
Page 4: Safety Considerations
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 the system, 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.
Page 5: Before You Begin
Before You Begin The following will be needed for installing the UV system: Tools • Pipe cutter, hacksaw or other specialized tools required to cut into your existing plumbing (e.g. if you have PEX piping) • Soldering tools (torch, flux, emery cloth and solder) •...
Page 6: Assembly
Assembly Unpack the system and ensure all the components are included with the system. Your system is shipped with the following components: NWTS (Standard output lamp systems) LAMP KEY GLAND NUT CONTROLLER 320006 4.1 SYSTEMS RC-NE1 North American O-RING 310038 RC-NE2 Euro RC-NE3 British UV LAMP...
Page 7 NWTS-HO (High output lamp systems) LAMP KEY GLAND NUT CONTROLLER 320006 4.1 SYSTEMS O-RING RCHO-NE (fits all units) 310038 5.1/6.1 SYSTEMS RCHO-N (fits all units) UV LAMP NL210HO “-05” series NL330HO “-10” series NL420HO “-15” series NL600HO “-25” series NL950HO “-40” series SLEEVE SPRING 310039 GLOW PLUG...
Page 8: System Sizing
System Sizing All NWTS UV systems are rated for a specific flow rate in water that meets the quality parameters on page 5. PLEASE NOTE that increasing the flow above this rating or disinfecting water that does not meet the quality parameters will decrease the dose and therefore compromise the microorganism inactivation.
Page 9: Installation
To facilitate lamp removal, ensure there is enough space at the lamp connector end to safely remove the UV lamp and/or quartz sleeve (See Figure 2). The controller will require a ground fault circuit interrupter (GFCI or GFI) outlet and should be mounted beside or above the reactor.
Page 10 Step 6: Once the system has been plumbed in, gently remove the quartz sleeve from its packaging being careful not to touch the length with your hands. The use of cotton gloves is recommended for this procedure as oils from the hands can leave residue on the sleeve and lamp which can ultimately block the UV light from getting to the water.
Page 11 the controller vertically. For monitored systems, insert the sensor connector into the IEP port located on the right side of the controller (Figure 6). For the sensor to be recognized by the controller, the controller power must be plugged in last. Do not plug the controller power cord in before the last step.
Page 12: System Disinfection
Figure 10. Ground Screw Connection Step 15: Your system is now ready to be plugged into the appropriate GFCI protected outlet. Refer to the following System Disinfection section before any water is allowed to flow through the system. System Disinfection With a new installation, or any time the UV system is shut down for service, without power, or is inoperative for any other reason, the lines in the home or facility could be contaminated.
Page 13: Cleaning The Quartz Sleeve
Cleaning the Quartz Sleeve Depending on the water quality, the quartz sleeve may require periodic cleaning. At a minimum, the quartz sleeve should be cleaned on an annual basis. The following steps outline a basic cleaning procedure. Step 1: If a by-pass assembly is installed, shut the inlet valve off to prevent water flow through the system.
Page 14: Cleaning The Uv Sensor
Cleaning the UV Sensor Depending on the water quality, the UV sensor may require periodic cleaning. At a minimum, the UV sensor should be cleaning on an annual basis. The following steps outline a basic cleaning procedure. Step 1: If a by-pass assembly is installed, shut the inlet valve off to prevent water flow through the system.
Page 15: Nwts4 Controllers
NWTS4 Controllers Simplistic in operation, these systems feature a tri- color LED that indicates system status and a 4-digit display to indicate lamp life remaining. Pressing the button will change the display to indicate total running time. When the UV lamp is on and within its operating age, the LED will be green.
Page 16 Solenoid Module Check 4-20 mA Module Check Ethernet Module Check Remote Alarm Module Check A final module screen is displayed showing which specific modules were initialized. The controller then displays the lamp optimization screen for 60 seconds to allow the lamp to reach its optimum output. Finally, a final “start-up complete” screen is displayed.
Page 17: Nwts5 Operational Screens
NWTS5 Operational Screens On systems without the UV monitor, the default screen shows the NWTS Home Screen. At any point during operation the user is able to scroll through the NWTS Home Screen, Lamp life remaining, QR Code, Contact Info and Maintenance Parts screens by pressing the button located on the front of the controller.
Page 18: Lamp Countdown Sequence
Lamp Countdown Sequence The system counts down the number of days until a lamp change is required. NWTS5 / NWTS6 NWTS4 At thirty days remaining, the LED or display screen will change to a yellow caution indicator. At seven days remaining, the sytem will additionaly repeat an audible chirp. Past the zero day threshold, the LED or display screen changes to solid red with a continuous buzzer.
Page 19: Lamp Replacement (Nwts4 Systems)
Lamp Replacement (NWTS4 systems) After the lamp is expired, it must be replaced with the same part number as indicated by the label on the reactor. Replace the lamp by unplugging the power for the controller, then refer to Installation, starting with step 11 (page 11) for instructions on installing the new lamp.
Page 20: System Troubleshooting
System Troubleshooting Hard Alarms: The following give a constant audible alarm. If present, the solenoid valve is closed, and the 4-20, remote alarm and ethernet modules transmit the alarm. System Display Problem Resolution Reset lamp protection circuit The system -unplug unit for 10 seconds. has detected a Replace the lamp with the problem with the...
Page 21 Soft Alarms: The following remaining errors give a 15 second audible chirp only System Display Problem Resolution Ensure modules connected properly to the system and to each other. The module indicated is Modules tested no longer individually by plugging in one communicating at a time and cycling power to to with the...
Page 22: Temperature Management Devices
Temperature Management Devices Your NWTS UV system is designed to run continuously to ensure optimal disinfection. However, during periods when no water is drawn through the system, the energy from the disinfection process can cause the temperature of the water inside the chamber to rise.
Page 23 The following optional expansion modules are available for use on NWTS5 and NWTS6 UV controllers. Contact your authorized distributor for purchasing information. REMOTE ALARM CONNECTION MODULE: Allows for a connection to a remote device such as a buzzer, light, alarm system, PLC, etc., via a pair of contacts.
Page 24: Nwts Standard Output System Specifications
NWTS Standard Output System Specifications NWTS EQUIPMENT SPECIFICATIONS Multi-Use / Residential systems (standard output lamps) NWTS4-2 NWTS4-3 NWTS4-6 NWTS4-11 NWTS4-15 NWTS4-21 MODEL NWTS5-2 NWTS5-3 NWTS5-6 NWTS5-11 NWTS5-15 NWTS5-21 NWTS6-2 NWTS6-3 NWTS6-6 NWTS6-11 NWTS6-15 NWTS6-21 3.8 gpm 6.1 gpm 11 gpm 20 gpm 30 gpm 39 gpm...
Page 25: Nwts-Ho High Output System Specifications
NWTS-HO High Output System Specifications NWTS EQUIPMENT SPECIFICATIONS Residential Crossover systems (high output lamps) NWTS4-5C NWTS4-10C NWTS4-15C NWTS4-25C NWTS4-40C MODEL NWTS5-5C NWTS5-10C NWTS5-15C NWTS5-25C NWTS5-40C NWTS6-5C NWTS6-10C NWTS6-15C NWTS6-25C NWTS6-40C 4.0 gpm 10 gpm 14 gpm 25 gpm 40 gpm Flow Rate 15 lpm 38 lpm...
Page 26: Nwts Systems Limited Warranty Statement
NWTS Systems Limited Warranty Statement Products manufactured for Nelsen Water Treatment Solutions (NWTS) are warranted to the original user only to be free of defects in material and workmanship for a period as specified below. This warranty only applies to the original purchaser and is not transferable.
Page 27: Warranty Registration
authorised by NWTS for use with the product (e.g. non-original lamps or sleeves). • Damage caused during shipment of the product. • Water damage is found inside ballast housing or controllers. • Product is installed outdoors in direct contact with the environment (rain). •...
Page 28 Norton, Ohio - (800) 362-9686 3250 Barber Rd., Norton, OH 44203 Goodyear, Arizona - (866) 445-4299 14035 West El Cielo, Goodyear, AZ 85338 Tampa, Florida - (866) 712-6796 4410 E. Adamo Dr. Suite 102, Tampa, FL 33605 Schertz, Texas - (855) 674-0357 1012 Assembly Circle - # 100, Schertz, TX 78154 www.NelsenCorp.com/Residential PN# NWTS-UV MANUAL...

Fresh Water Systems NWTS4 Series Operation & Installation Instructions

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