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Ecolab Nexa - User Manual

Ecolab Nexa
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Nexa™
January, 2014
Table of Contents
…………………………………………………….
Installation and Operation…….. p 2
Frequently Asked Question……p 11
Troubleshooting……………….. p 14
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Summary

Installation and Operation

Unpacking

Details items included in the package and initial unpacking steps.

Opening Cover

Instructions on how to open the dispenser cover using the release button.

TF Dispensers Installation

Guidelines for mounting TF dispensers, including height and water avoidance.

Mounting with Screws, Anchors, and Tape

Step-by-step guide for securely mounting the dispenser using screws and tape.

Battery Installation (Touch-Free)

Procedure for installing batteries in touch-free dispensers to activate the device.

Battery Replacement (Touch-Free)

Steps for safely removing and replacing batteries in touch-free dispensers.

Dispenser Status Indicator

Explanation of the LED indicator lights and their meanings for dispenser status.

Product Bottle Installation;Removal

Guide on how to correctly install and remove product bottles from the dispenser.

Cleaning Instructions

Recommendations for cleaning the dispenser exterior with mild detergents.

Dose Adjustment

Instructions on how to switch between low and high dosing amounts for the dispenser.

Drip Tray Installation

How to attach and secure the optional drip tray to the dispenser.

Lock and Key

Information on using the optional lock and key kit to secure the dispenser.

Nameplate (Badge) Replacement

How to replace the dispenser's nameplate or badge.

Mounting Frame Installation

Instructions for installing the optional mounting frame to cover wall damage.

Push Bar Replacement (Manual)

Steps for replacing the push bar on manual dispenser models.

Frequently Asked Questions

Unit Installation Time

Information on how long it takes to install the unit.

Battery Inclusion and Lifespan

Details on whether units come with batteries and their estimated lifespan.

Compatible Products

Information on what types of products (foam, liquid, gel) the unit can dispense.

Product Compatibility (Competitor vs. Nexa)

Explains compatibility of competitor products and Nexa cartridges.

Dispense Output and Usage

Details on dispense volume per use and total uses per cartridge.

Product Level Indication

How to check the product level in the dispenser.

Battery Replacement Indicator

Guidance on recognizing when dispenser batteries need replacement.

Expiration Date Visibility

How to check the product expiration date without opening the dispenser.

Tamper and Theft Prevention

Methods to prevent tampering or theft of the dispenser.

Color Fade Resistance

Information on whether the dispenser color will fade or yellow over time.

Customization Options

Details on available customization options for the dispenser.

Available Colors

Information on the different color options available for the dispensers.

Aerosol;Oxygen Product Proximity

Reasons for avoiding aerosol/oxygen products near TF dispensers.

Mounting on Next Gen Stand

How to mount touch-free dispensers on existing Next Gen stands.

Product Ordering for Different Sizes

Information on ordering products for 750ml and 1250ml dispensers.

ADA Compliance

Confirmation of ADA compliance and installation height requirements.

Product Identification

How to identify the type of product inside the dispenser via badges.

Dispenser Sizes

Specifications for compact and classic dispenser dimensions.

Serial Number and Date Codes

Information on finding serial numbers and date codes for dispenser identification.

Troubleshooting

Incorrect Dispenser Received

Solutions for receiving the wrong dispenser size, color, or style.

Dispenser Fell Off Wall

Troubleshooting steps if the dispenser detaches from the wall.

TF Dispenser Not Working (Noise Present)

Diagnosing TF dispensers that make noise but do not dispense.

TF Dispenser Not Working (No Noise)

Troubleshooting TF dispensers that are silent and not dispensing.

TF Dispenser Indicator Light Not Working

Solutions for a non-functional dispenser indicator light.

Manual Dispenser Not Working

Addressing issues where the manual dispenser fails to operate.

Low Dispenser Output

Solutions for when the dispenser output volume seems insufficient.

Cover Will Not Shut

Troubleshooting issues preventing the dispenser cover from closing properly.

Dispenser Will Not Open

Steps to take if the dispenser cannot be opened.

Drip Tray Falling Out

Solutions for a drip tray that repeatedly detaches.

Cannot Install Drip Tray

Guidance on correctly fitting the drip tray into the dispenser.

TF Dispenser Squeaking

Addressing squeaking noises from the touch-free dispenser.

Dispenser Cover Falling Off

Solutions for a dispenser cover that detaches or hinges fail.

Thumbscrews Stuck

How to unscrew stuck thumbscrews on the dispenser.

Mounting to Sanitizer Stand

Issues related to mounting the dispenser on a sanitizer stand.

Pump Clogging

Clearing clogs in the dispenser pump.

Pump Collar Scuffed

Advice for a scuffed pump collar.

Bottle Leaking

Troubleshooting and resolving issues with leaking product bottles.

Missing Bottle Label

What to do if the product bottle label is missing.

Part Number Guide

Overview

The Nexa™ dispenser is a versatile and user-friendly device designed for dispensing various hand hygiene products, including foams, liquids, and gels. It is available in both touch-free (TF) and manual versions, and comes in classic (1250 mL) and compact (750 mL) sizes, with color options of white and black, as well as a premium metallic version for touch-free models.

Function Description

The primary function of the Nexa™ dispenser is to provide a controlled dose of hand hygiene product. The touch-free models utilize a sensor to detect a hand and automatically dispense product, while manual models require the user to push a bar.

Touch-Free Dispenser Operation: Upon receiving power, the device will flash green once every 0.5 seconds for up to 5 seconds. A single green flash indicates a dispense has occurred. The dispenser features an LED status indicator (located on the lower left side visible through the cover) to communicate its operational status.

Manual Dispenser Operation: Manual dispensers operate by a push bar mechanism. The user pushes the bar to activate the pump and dispense product.

Product Compatibility: Nexa™ dispensers are designed to dispense foams, liquids, and gels without any modifications to the dispenser itself. Users simply need to insert the appropriate bottle for the desired product type. The 750 mL Nexa™ bottle is designed to fit into both the compact (750 mL) and classic (1250 mL) dispenser sizes.

Dose Adjustment: Both touch-free and manual dispensers offer a dose adjustment feature, allowing users to switch between a low dose (~1.0 mL for liquid, ~0.7 mL for foam) and a high dose (~1.4 mL for liquid, ~1.0 mL for foam). This is achieved by removing the product bottle, pinching the two sides of the dose adjuster, flipping it 180 degrees, and reinstalling it. A vertical mark on the dose adjuster indicates the chosen dosing amount.

Lock and Key Feature: An optional lock and key kit is available to secure the dispenser, preventing tampering or theft. The lock can be inserted at the top of the backplate and rotated 180 degrees to switch between locked and unlocked configurations. When locked, a key or paperclip can be inserted into a hole on the top exterior of the backplate to open the cover.

Drip Tray: An optional drip tray can be attached to the bottom of the dispenser to catch any drips. It snaps into openings on the bottom of the dispenser and can be further secured with adhesive tape.

Usage Features

Installation: The dispenser is designed for easy installation and can be mounted using screws, anchors, and tape. For ADA compliance, it should be mounted between 15" and 48" off the ground. Touch-free dispensers are required to be screw-mounted to comply with UL962. The dispenser's backplate is designed to align with existing screw holes from other Ecolab and competitive dispensers.

Battery Installation and Replacement (Touch-Free Dispensers): Three "D" cell batteries (or "C" cell depending on the dispenser size) are included and pre-installed. To activate the device, simply pull and remove the battery pull tab. For battery replacement, open the front cover, unscrew two thumbscrews attaching the battery cover, remove old batteries, and insert fresh ones according to the battery orientation sticker. Ensure the battery cover is replaced and thumbscrews are fully tightened.

Product Bottle Installation and Removal: To install a product bottle, open the dispenser cover, remove the protective cap from the pump, invert the bottle, and insert it flat against the back of the dispenser with the label facing forward. The pump collar should be inserted into the pump holder. Close the cover and activate the dispenser multiple times until the pump is primed. To remove an empty bottle, open the cover, grasp the sides of the bottle, and pull straight out.

Dispenser Status Indicator (Touch-Free Dispensers): The LED indicator provides visual cues about the dispenser's status:

  • Green flashes once every 0.5 seconds for up to 5 seconds: Device has just received power.
  • One green flash: Dispense has occurred.
  • Red flash every 2.5 seconds: Low batteries (approximately 1,000 dispenses remaining) or reset required (remove and replace battery cover).
  • Three quick red flashes upon attempted activation: Low batteries, unit will not operate.
  • No LED (dispenser will not work): Batteries not installed properly, need changing, or battery pull tab not removed.
  • No LED (dispenser works): Defective LED.

Nexa Light Codes (Touch-Free Dispensers):

  • Yellow/green repeated blinks: Just received power; number of blinks corresponds to the program revision.
  • Single yellow/green blink: Sensor triggered; dispense should occur immediately.
  • Low Battery Mode (slow red blinking light, 2.5 seconds between, still flashes yellow/green and dispenses): Requires 3 sequential voltage readings below the low battery threshold. Should have 1000+ dispenses remaining until shutdown mode. Red light remains until reset.
  • Shutdown Mode (slow red blinking light, 2.5 seconds between, dispenser does not dispense, 3 quick red blinks when hand placed in sensor range): Dead battery indicator; requires 3 sequential voltage readings below the dead battery threshold. Red light remains until reset.
  • Timeout indicator: Dispenser attempts to dispense for 10 seconds. If it cannot complete a single dispense cycle after 2 attempts, it enters shutdown mode. If after 5 dispenses it still hasn't returned home, it also enters shutdown mode to prevent gear wear, suggesting a jam, very low batteries, or unsecured battery cover. Red light remains until reset.
  • To reset dispenser: Remove battery cover completely and replace.

Product Level Visibility: Sight windows on both sides of the dispenser allow users to view the product level. The dispenser will continue to dispense until no product is visible near the bottle opening.

Expiration Date Visibility: The expiration date is printed on the bottle and visible through the side windows, eliminating the need to open the dispenser.

Nameplate (Badge): The dispenser comes with a generic badge. Product-specific badges (e.g., for sanitizer, hand soap) are available by request and can be easily replaced by bending a tab on the new badge.

Mounting Frame (Optional Accessory): An optional mounting frame is available to cover existing wall damage around the dispenser. It comes in white and black for both classic and compact sizes and works with both TF and manual dispensers. The frame is taped to the dispenser using notches as a guide, making them a single unit for installation. The frame is not physically attached to the wall but is pinched between the wall and the dispenser.

Maintenance Features

Cleaning Instructions: The exterior of the dispenser can be cleaned with a non-abrasive detergent and a non-abrasive sponge or cloth.

Troubleshooting: The manual provides a comprehensive troubleshooting guide for common issues:

  • Incorrect dispenser size, color, or style: Ensure all requirements are specified when ordering.
  • Dispenser fell off the wall: Caused by humid/hot environment or improper installation. Recommended to screw-mount if possible. If using tape, ensure proper installation with 30 seconds of pressure and allow 24 hours before adding product. Replace tape if contaminated.
  • TF dispenser won't work, indicator light on, making noise: Bottle not properly inserted (re-insert carefully), pump not primed (continue triggering sensor), dose adjuster missing (order new one), or pump not engaged (check if latched under dose adjuster tabs).
  • TF dispenser won't work, indicator light on, no noise: Improper use (wait 5 seconds between dispenses, ensure full hand activation), dead batteries (replace batteries, ensure cover is fully tightened), or dispenser needs reset (remove and replace battery cover).
  • TF dispenser won't work, indicator light not working: Batteries are dead (replace), battery pull tab not removed (remove it), thumbscrews loose (tighten them), or batteries inserted improperly (re-insert according to sticker).
  • Manual dispenser won't work: Pump not engaged with actuator (ensure push bar is fully actuated, manually pull pump down if new bottle), dose adjuster missing (order new one), or improper use (ensure not treating it like a touch-free dispenser).
  • Output seems really low: Pump is defective (replace product bottle), or personal preference (flip dose adjuster for higher dose).
  • Cover will not shut: Bottle or other obstruction in the way (remove and re-insert bottle, check edges), or bottle backwards (ensure label faces forward).
  • Dispenser will not open: Dispenser is locked (use key or paperclip, or remove lock component).
  • Drip tray keeps falling out: Retention hooks worn down (order new drip tray or tape to wall).
  • Cannot get drip tray in: Hooks not inserted into correct locations (align hooks with openings, pivot to snap in place).
  • TF dispenser is squeaking: Grease missed in assembly or not enough grease (dispenser needs to be taken down and replaced).
  • Dispenser cover is falling off: Hinge is broken (order replacement cover for TF, replace dispenser for manual), or opened to the side/mounted crooked (remount vertical, open cover straight).
  • Cannot unscrew thumbscrews by hand: Stuck (use #2 Phillips screwdriver, then tighten by hand).
  • Dispenser will not mount to sanitizer stand: Missing adapter plate (order adapter plate accessory).
  • Pump clogging: Product built up in tip of pump (clean tip, push push bar hard).
  • Pump collar scuffed: No issue, continue using package.
  • Bottle leaking: Customer punctured bottle, damaged during shipment, sonic weld leak, bad/no gasket (customer should replace bottle).
  • Missing bottle label: Customer theft, fell off in shipment (customer should replace bottle and contact sales rep).

Antimicrobial Protection (Manual Dispensers): Nexa™ manual dispensers incorporate a registered silver additive molded into the plastic of the push bar. This additive provides a layer of antimicrobial protection to inhibit the growth of bacteria, mold, and mildew, lasting the useful lifetime of the dispenser. The silver additive is MCX 122009 with an EPA registration number of 73148-3.

UV Stabilization: White dispensers include UV stabilizer to prevent drastic color changes from UV exposure. Black dispensers have also been tested and shown not to be affected by UV.

Date Codes: While there isn't a serial number, several important date codes allow Ecolab to track dispenser information. For manual dispensers, an arrow symbol on plastic components indicates the month and year. For TF dispensers, a similar symbol is present, along with a date sticker on the Touch-Free Drive (gray) and a "tested by" and "assembled by" sticker on the backplate.

Ecolab Nexa Specifications

General IconGeneral
ManufacturerEcolab
TypeDispenser
MountingWall-Mounted
CategoryDispenser
Power SourceBattery
CompatibilityEcolab products
ColorWhite

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