ESSENCY EXR Installation & Operation Manual
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ESSENCY EXR Installation & Operation Manual

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EXR
WATER HEATER
Installation &
Operation Manual
Water is essential to life. And Essency brings
water to your life in amazing ways. We design
water heaters built to outlast other tanks. Water
heaters intelligent enough to give you greater
control and peace-of-mind. All while delivering
the highest performance in the industry in a
design that's both aesthetically appealing and
ecologically attentive. Our water heaters turn
the essential into the exceptional.
N09040000B
April 2022

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  • Page 1 WATER HEATER Installation & Operation Manual Water is essential to life. And Essency brings water to your life in amazing ways. We design water heaters built to outlast other tanks. Water heaters intelligent enough to give you greater control and peace-of-mind. All while delivering the highest performance in the industry in a design that’s both aesthetically appealing and...
  • Page 2 In this box, you will find : 1. Your Essency EXR water heater. 2. This Installation & Operation manual. 3. One bag containing: • (3x) M4x20 metric screws, Intended as spares should you lose some screws during installation. • (4x) Flat gaskets ½’’, •...
  • Page 3 CONGRATULATIONS! By purchasing an Essency EXR Water Heater, you have chosen the most innovative technology in domestic water heating on the market. Once properly installed, you can relax and enjoy many years of trouble-free service. Thanks to their innovative design, Essency water heaters offer a much longer life span than traditional water heaters, as well as superior performance for optimal user comfort.

  • Page 4: Table Of Contents

    Heating Modes ..............31 Temporary Functions ............32 Parameter Settings ............35 Occasional Refill of the Tank ..........39 Essency App ............... 39 CARE AND CLEANING Draining the Water Heater ..........40 Flushing the Water Heater ..........41 Cleaning the Water Heater ..........42 Routine Inspection .............

  • Page 5: Safety Information

    SAFETY INFORMATION GENERAL INFORMATION This water heater’s design is certified by UL and listed in accordance with UL 174. This water heater must be installed in accordance with local codes. In the absence of local codes, install this water heater in accordance with the N.E.C. Reference Book (latest edition). The warranty for this water heater is in effect only when the water heater is installed, adjusted, and operated in accordance with these Installation and Operating Instructions.
  • Page 6 This device must be professionally installed. Your water heater is FCC compliant. This equipment complies with FCC’s radiation Essency is not responsible for any changes or exposure limits set forth for an uncontrolled modifications not expressly approved by the party environment under the following conditions : responsible for compliance.

  • Page 7: Important Safety Precautions

    IMPORTANT SAFETY INSTRUCTIONS Read all instructions before using this water heater. WATER TEMPERATURE SETTING DANGER! Safety and energy conservation are important factors to be considered when selecting the water temperature setting of your water heater. Water temperatures above 125°F, and above 120°F for households with small children, disabled, or elderly persons, can cause severe burns or death from scalding.
  • Page 8 IMPORTANT SAFETY INFORMATION Read all instructions thoroughly before installing or operating. WARNING! This manual provides information on the installation, operation and maintenance of the water heater. To reduce the risk of property damage, electric shock, serious injury or death, it is important to read the precautions below, all labels on the water heater, and the safety messages and instructions throughout this manual.

  • Page 9: Transportation & Storage (At Warehouse)

    TRANSPORTATION & STORAGE (AT WAREHOUSE) Do not lift or carry using the front bottom part of the water heater. The water heater should be stored in a dry place, and at a temperature between 32°F and 140°F. In case the water heater is stored without its packaging, the floor’s slope should be less than 7°...

  • Page 10: Installing The Water Heater

    INSTALLING THE WATER HEATER WATER SUPPLY PRESSURE Minimum Water Pressure: 50 PSI (Recommended 60-80 PSI for maximum performance) Maximum Water Pressure: 150 PSI When choosing the location of the water heater, please take into consideration the following recommendations. (Disregarding these recommendations will void the warranty) LOCAL INSTALLATION REGULATIONS This water heater must be installed in accordance with...
  • Page 11 Drain Pan Kits are available from the store where the water heater was purchased, or any water heater distributor. Essency manufactures a custom fit drain pan. NOTICE: We recommend the use of a drain pan, especially if the water heater is installed in the attic.
  • Page 12 INSULATION BLANKETS Insulation blankets, available to the general public, for external use on electric water heaters are not necessary. The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters. This water heater meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements making an insulation blanket unnecessary.

  • Page 13: Connecting The Battery

    1. CONNECTING THE BATTERY As a back-up in case of power failure, the water heater is equipped with a lithium-ion battery located behind the lower cover of the unit. To connect this battery, before powering the unit, follow the steps as indicated on the illustration below: 1) Unscrew the 4 screws 2) Remove the cover...

  • Page 14: Connecting The Water Supply

    2. CONNECTING THE WATER SUPPLY 2.1. TYPICAL INSTALLATION Electrical junction box To electric distribution panel (Use only copper conductor) Hot water outlet to fixture Overflow line to suitable open drain Shutoff valve Union Union Touchscreen To cold water supply Upper element access panel Shutoff valve Auxiliary drain pan, height 4’’...
  • Page 15 T/P VALVE Unlike other tank water heaters, the water in the tank of the Essency EXR is at atmospheric pressure. Per its construction, UL has evaluated that this water heater does not need a T/P valve. However please refer to your local codes for specific local requirements.

  • Page 16: Recirculation

    If you don’t have another way of confirming flow rate delivered by the recirculation pump, the EXR’s touchscreen does have the capability of displaying real-time flow rate by following the instructions in the Useful tips section (see page 37).
  • Page 17 1. With a dedicated return line : Fixtures Check valve Cold line Expansion tank Pressure relief valve Check Recirculation valve pump Drain 2. Without a dedicated return line : Fixtures Check Recirculation pump valve Cold line Expansion Thermal tank bypass valve Pressure relief valve Drain...

  • Page 18: Electrical Connection

    3. ELECTRICAL CONNECTION We require that you contact a plumbing professional for the electrical installation of the water heater. A separate branch circuit with copper conductors, overcurrent protective device and suitable disconnecting means must be provided by a qualified electrician. All wiring must conform to local codes or latest edition of National Electrical Code ANSI/NFPA 70.
  • Page 19 SINGLE PHASE WIRING WARNING: Poor wiring connections, incorrect wire size/type, or wires with too much tension may result in loss of conductivity or overheating. Take special care that wire jacket is securely connected with proper means of strain relief before connecting ground and phase wires. Confirm wire connection tabs are securely closed, tight, and secure before installing junction box cover or turning on power.
  • Page 20 B. Off-Peak Wire separately the heating elements, in relation with an Off-Peak program. Ph 1 - 208VAC/240VAC - 19A. Phase 1 to both heating elements (T02) and electronic control (T01). Ph 2 - 208VAC/240VAC - 19A. Phase 2, Permanent, to upper heating element (T04) and electronic control (T03).

  • Page 21: Filling The Water Heater

    “Fill” will appear again. Restart step 4 to resume filling the unit. NOTICE: Unlike traditional storage water heaters, the Essency water heater doesn’t require to open any hot water fixture for the filling process. Opening the cold water supply shutoff valve is sufficient.

  • Page 22: Connectivity

    ‘Err’ will be displayed and the procedure should be repeated. TIP: For tutorials and instructions please visit our website www.essencyhome.com. TIP: The yellow Energy Guide label is easily removable. During the installation, or later, don't hesitate to remove it so that your Essency water heater will look even better!
  • Page 23 INSTALLATION CHECKLIST A. Water Heater Location Close to area of heated water demand.  Indoors and protected from freezing temperatures.  Area free of flammable vapors.  Provisions made to protect area from water damage.  Meets requirements in location and water heater clearance section. ...

  • Page 24: Operating The Water Heater

    GENERAL PRINCIPLE OF OPERATION HOW DOES IT WORK? Your EXR is the first water heater of its kind: it brings you all the advantages of tankless combined with a tank: that’s how we achieve performance and durability. Your Essency water heater works a bit differently from other water heaters: you are not consuming the 55 gallons of water that are stored in the tank, but this “static water”...
  • Page 25 SCHEMATIC DIAGRAM : Hot water Cold water line line Control Filling valve unit Float switch Upper heating element Circulating Static water pump Lower heating Plate heat element exchanger Cooled water...

  • Page 26: Software Updates

    1. Software updates are done automatically, provided that your water heater is connected to a WiFi network, and you have downloaded the Essency App on your smartphone or tablet. Every time a software update has taken place, you will be notified via the App.

  • Page 27: Touchscreen

    TOUCHSCREEN Installers: before you install your first unit, we highly recommend familiarizing yourself with the Fig 1. Status Indicator touchscreen. We've built a comprehensive tool, called the 'Touchscreen Simulator', which simulates The color of the banner indicates the heating mode the physical touchscreen very accurately.
  • Page 28 CAPACITY INDICATOR The Essency EXR is equipped with two heating elements, one at the bottom of the tank and one at the top, that operate independently. When hot water is drawn, the water heater will always start by switching on the upper element first, so as to ensure that hot water is available as quickly as possible.
  • Page 29 SCREENSAVER AND HOMEPAGE Home Screen Inactive State (Confirm) Press the button to activate the screen Home Screen Active State SMART...

  • Page 30: Setting The Water Temperature

    SETTING THE WATER TEMPERATURE To set the temperature, use the + and – buttons on the touchscreen until the desired temperature is SMART shown, and press the “confirm” button. To set the temperature, press and hold the button. Once the temperature indication flashes, press button to decrease the temperature OR press the button to increase the temperature.

  • Page 31: Heating Modes

    HEATING MODES TO SELECT A HEATING MODE: SMART This is the default mode in which the water heater operates. In Smart mode the electronic control HEAT+ CUSTOM SMART system will automatically manage the 2 heating elements, according to the quantity of hot water used, so as to optimize delivery and consume the least amount of energy.

  • Page 32: Temporary Functions

    TEMPORARY FUNCTIONS The water heater features a number of temporary functions (also available in the App), which allow you to temporarily override the active heating mode for a selected period of time. At the end of the selected period of time, the water heater will return automatically to the initial setting. A temporary function can be interrupted at any time before the end of the selected period by selecting OFF.
  • Page 33 OFF. To do so, press the button until OFF is (Confirm) displayed. Then press the button. TIP: We highly recommend to use the Essency App to program the Vacation function with a better accuracy (date to date).
  • Page 34 WATER SAVER This function is intended to limit the time spent in the shower by an overly indulgent user. It was SMART specifically designed for parents of teenagers, to act like a remote control to turn off the hot water if they’re spending too much time in the shower.

  • Page 35: Parameter Settings

    PARAMETER SETTINGS (Multi Function) button (B4) for 2 seconds (1). To explore the useful menus, make a long press on the (Confirm) You can navigate through the menus described below by using button, validate with the (Multi Function) button, and go back with short tap on the button.
  • Page 36 The functions, sensors and actuators available are the following : : Domestic Cold Water Temperature (DCWT) : Domestic Hot Water Temperature (DHWT1) : Domestic Hot Water Temperature (DHWT2) : Static Hot Water Temperature (SHWT) : Static Hot Water Temperature Lower (SHWTL) : Static Hot Water Temperature Upper (SHWTU) : Battery Temperature : Water Flow Rate (Tenth of Gallons per Minute)
  • Page 37 3. Scroll with to Connection (highly recommended at the unit ). (Confirm). installation) or pair the unit to your 4. Scroll with to On ( ) or Essency account and use all the Off ( features of the MyEssency App.
  • Page 38 FEATURE PATH WHY? 1. From the home page, long tap on (Multi Function) button. • In case of software issue or if you Checking Current 2. Scroll with to Settings want to get the documentation in ). (Confirm). Software Version relation with your software version.

  • Page 39: Occasional Refill Of The Tank

    ESSENCY APP 1. MANUALLY REFILL YOUR WATER Thanks to the MyEssency App, it is possible to control one or several Essency water heaters from HEATER AFTER MAINTENANCE your smart phone. During the life of the water heater there may be The App can be downloaded at www.essencyhome.com...

  • Page 40: Care And Cleaning

    CARE AND CLEANING CAUTION! Shut off power to the water heater before draining your unit. DANGER! Before manually operating the drain valve, make certain no one will be exposed to the hot water released by the valve. The water drained from the tank may be hot enough to present a scald hazard and should be directed to a suitable drain to prevent injury or damage.

  • Page 41: Flushing The Water Heater

    FLUSHING THE WATER HEATER Based on your water conditions, the heat exchanger may need to be flushed. Contact Essency for more information. Save time and money by installing service valves in outlet and inlet water circuits of the water heater.

  • Page 42: Cleaning The Water Heater

    CLEANING THE WATER HEATER In order to clean the outside surfaces of the water heater, use a damp soft/microfiber cloth. Do not use any aggressive chemicals/cleaning products/tool. Avoid any direct water spray to the water heater (garden hose). Do not spray water on the active parts of the water heater. ROUTINE INSPECTION CONDENSATION Condensation can form on the tank when it is first...

  • Page 43: Troubleshooting & Service

    TROUBLESHOOTING & SERVICE TROUBLESHOOTING CHART Before calling for service, you can find below some troubleshooting tips. To go further, our website can help you to find the root cause of most problems which could be encountered. Most of the time you won’t need any mechanical dismounting action to find where the problem comes from.
  • Page 44 WARNING CODE EXPLANATION WHAT TO DO • In case of recirculation system, check the pump timer settings and avoid a continuous Leak detection: continuous flow for operation for more than 2 hours. 2 hours or volume drawn > 100G in a row. •...
  • Page 45 PROBLEM POSSIBLE CAUSES WHAT TO DO The temperature set is too • Decrease the temperature setpoint (See Water is too hot high. Setting the temperature section page 30). • The setpoint cannot be changed if someone Setpoint can’t be Somebody is using hot water. is using the hot water, to avoid scald changed hazards.

  • Page 46: Service Parts

    CAUTION! The battery used in this device may present a risk of fire or chemical burn if mistreated. Do not disassemble, heat above 160°F, or incinerate. Replace battery with Essency original part only (refer to our website for the service part list). Use of another battery may present a risk of fire or explosion.

  • Page 47: Service Log

    SERVICE LOG Please record any replacement of components below to allow proper tracking of the water heater status. DATE PART NUMBER OBSERVATION...

  • Page 48: Wiring Diagram

    WIRING DIAGRAM This water heater is wired as indicated in the schematic below.

  • Page 49: Warranty

    Water Heater is defective in accordance with the i) Defects, malfunctions or damages caused by misuse, negligence, acci- terms of this warranty, Essency will at its option, repair or replace the dent, abuse, fire, flood, freezing, lightning, acts of God and the like;...

  • Page 50: Notes

    NOTES:...

  • Page 51: Tips For Water Conservation

    Essency’s National Service Department. under the shower a bit too long… 5. Repair any leaks as soon as identified: Essency HOUSTON OFFICE has a leak detector, which will alert you in case of...
  • Page 52 AFFIX LABEL HERE 2, ru e J . Gu t e m be rg 8 55 00 L es He rbi e rs , Fr an c e www. es s ency hom e. com COP Y RIGHT © 2021 E S S ENCY. A GT COM PANY. AL L R IGH TS R ESE RVE D.

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