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Related Manuals for Heatworks MODEL 3
Summary of Contents for Heatworks MODEL 3
- Page 1 MODEL 3 TANKLESS ELECTRIC WATER HEATER User Manual & Installation Guide Version 05212021 ALWAYS read and follow this Scan to ensure you have the most guide before installing or using the recent version of this User Manual MODEL 3. Save for future reference.
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Page 2: Table Of Contents
Adjusting the Amperage pg 24 Accessing the Voltage Menu pg 24 Accessing the Wi-Fi Settings Menu DOWNLOADING THE HEATWORKS APP AND CONNECTING YOUR UNIT TO WI-FI pg 25 LIMITED WARRANTY AND LEGAL pg 29 Breaker must remain OFF until installation is complete. -
Page 3: Introduction
INTRODUCTION ABOUT YOUR MODEL 3 WATER HEATER The MODEL 3 Water Heater is a tankless electric water heater which provides endless hot water for a house, apartment, or a point-of-use. Unlike a conventional storage type water heater, the MODEL 3 does not store a large volume of hot water. Instead, water is heated instantaneously as it flows through the unit using Ohmic Array Technology. - Page 4 MODEL 3 electric water heaters are NOT suitable for use in manufactured (mobile) homes. CALIFORNIA PROP 65 WARNING: This product can expose you to chemicals including unspecified lead WARNING: This product can expose you to chemicals known to the State of California to compounds, which are known to the State of California to cause cancer and birth defects cause cancer and birth defects or other reproductive harm.
- Page 5 SAFETY MESSAGES Throughout this manual DANGER, WARNING, CAUTION, NOTICE and the Safety Alert Symbol will be used. This is the Safety Alert Symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible serious injury or death. This Safety Alert Symbol precedes any safety message about risk of personal injury.
- Page 6 SYMBOL INDEX Hot Water Hazard. Water temperature over 125°F (52°C) can cause severe burns instantly or death from scalds. Electric Shock Hazard. Earth; ground. Read manual. LABELS Front/bottom www.myheatworks.com Breaker must remain OFF until installation is complete.
- Page 7 LABELS Right side (electrical panel removed) Electrical side panel www.myheatworks.com...
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Page 8: Technical Data
Current 30-100 A TROUBLESHOOTING If your MODEL 3 Water Heater display blinks red and displays an error code, please call our support team at 888-506-2821 or visit our support page at www.myheatworks.com. ALWAYS turn OFF the circuit breaker supplying power to your MODEL 3 and call 888-506-2821 if you experience any abnormal operation. -
Page 9: Installation Guide
One (1) water pressure regulator preset to 50 psi with o-ring and plumbing union BEFORE INSTALLATION In general, the MODEL 3 can be installed in the same location where the old tank water heater was located or depending local codes, in a more centralized location in your home. However, to ensure safe performance and keep the warranty in effect, the following precautions must be observed: ALWAYS read this manual thoroughly and completely prior to installation &... - Page 10 24 CFR § 3282.14 of HUD’s Manufactured Home Procedural and Enforcement Regulations. MODEL 3 electric tankless water heaters may be installed in modular homes if and only if the modular homes are built following state and local codes. The MODEL 3 is listed as UL 499 compliant. FREEZE PREVENTION The MODEL 3 should never be exposed to freezing conditions.
- Page 11 12” (305 mm) in front of and to the sides of the heater Flammable materials should be kept at least 24” (610 mm) away from your water heater and the hot water outlet pipe. See measurements of the MODEL 3 unit on the next page. www.myheatworks.com | 11...
- Page 12 FRONT VIEW 11.0” 16.5” 14.6” 13.2” 12” MIN CLEARANCE COLD | INLET 3/4” NPT HOT | OUTLET 3/4” NPT SIDE VIEW 10.0” GROUND ELECTRICAL STRAIN RELIEF NOT INCLUDED. DIAMETERS - 1.35” , 1.7” 12 | www.myheatworks.com Breaker must remain OFF until installation is complete.
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Page 13: Mounting Information & Instructions
STEP 3 The MODEL 3 unit has one (1) large slot on its back panel that will fit on the two (2) tabs located towards the top of the mounting bracket. Lift the MODEL 3 unit flush with the mounting bracket, slightly above tabs. Slowly lower down until it is resting on the mounting bracket tabs. -
Page 14: Plumbing Information & Instructions
If considering installing two MODEL 3’s next to one another in a dwelling, we recommend installing MODEL 3’s in series instead of in parallel. In our experience, it is difficult to balance flow perfectly if installing MODEL 3’s in parallel. - Page 15 The pressure relief valve included with the MODEL 3 is set to 75 psi; therefore, Heatworks does not recommend an incoming water pressure greater than 75 psi to the MODEL 3.
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Page 16: Electrical Information & Instructions
BEFORE installing this product, make sure the home has sufficient electrical power available to handle the amperage load of the MODEL 3 decided on after referencing the sizing tables on page 18. Depending on the region of the country, the temperature of the water supply can vary between 40°F in winter to 80°F in summer, with an average of 58°F. - Page 17 220-83 (existing buildings). 40% of the nameplate rating for a conventional 4.5 kW electric tank water heater is 7.5 A. One MODEL 3 will add 32.5 A (40 A minus 7.5 A) additional amps to the service. This relatively small increase in design service entrance amp draw can sometimes be accommodated by modifying sizes of other loads on the system, such that no service entrance wiring upgrade is necessary.
- Page 18 Select settings based upon your home’s average demand. For example, two simultaneous showers typically = 3 GPM. Temperature rise is determined by the desired set point temperature minus groundwater temperature. For example, 120°F - 66°F = 54°F . 18 | www.myheatworks.com Breaker must remain OFF until installation is complete.
- Page 19 Using a suitable wire gauge that meets all applicable electrical codes for the size of the breakers used, run the supply wire from the home’s main breaker panel to the MODEL 3. NEVER wire a single MODEL 3 to multiple breakers.
- Page 20 In accordance with NEC 110.3(A), the information supplied in this manual, along with labels on the MODEL 3 (NEC 422.60(B)), allow suitability for installation and equipment use to be determined and marked by a licensed electrician.
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Page 21: Maintenance
STEP 6 Install a 1.35” or 1.7” strain relief (not included). Tighten the strain relief. STEP 7 Place the service access panel cover back on the MODEL 3 unit and fasten it in place using the two (2) screws. STEP 8 Always start and operate unit and make sure the water temperature is acceptable to the consumer at the outlet fixtures. -
Page 22: Model 3 Menu Settings
See both the Main and Settings Menu flowchart as a reference guide. ADJUSTING THE SETPOINT TEMPERATURE Your MODEL 3 unit was set to an initial temperature of 120°F (49°C) at the factory to reduce the risk of scald injury. It can deliver any water temperature between 33°F (56°C) and 130°F (54°C) in single digit increments. -
Page 23: Main & Settings Menu Flowchart
MAIN AND SETTINGS MENU FLOWCHART MAIN MENU SETTINGS MENU Power On Adjust Select Setpoint Degrees Hold Hold Temperature °C or °F Actual Current Draw Maximum Reading Current Hold Hold (amps) (amps) Actual Select Water Flow Voltage Reading Hold Hold (GPM) Onboard Error WiFi... -
Page 24: Settings Menu
To save, press and hold the Home button again. ADJUSTING THE AMPERAGE (MAXIMUM CURRENT SETTING) NEVER adjust amperage while unit is powered on and heating water or your MODEL 3 may be damaged. Only adjust the amperage when power is on and there is no water flowing through the unit. -
Page 25: Downloading The Heatworks App And Connecting Your Unit To Wi-Fi
Though not required, we highly recommend that you download the Heatworks app and connect the MODEL 3 to your Wi-Fi network at the time of installation or as soon as wireless internet is available. Connecting the MODEL 3 to your Wi-Fi network will allow our team to update your MODEL 3 over-the-air, ensuring your product is always operating with the most recent version of software. - Page 26 Heatworks app to verify your account. STEP 4 Go back into the Heatworks app and enter the special code you received via email. You will then see this screen: Congratulations! You have successfully created your Heatworks account and can now use the app.
- Page 27 Once you are logged into your verified account, you will then need to connect to your MODEL 3 unit. To do this, make sure you are standing no more than 10 feet away from the installed MODEL 3 unit to which you are pairing and that the unit is powered on. Press the “+” button on the app. The unit is on when you see an illuminated green button located on the front home button of the unit.
- Page 28 Connect to the wireless network by choosing or entering your network name and network password. STEP 9 The MODEL 3 will now pair with your Wi-Fi network. Once successfully completed, the app will return to your dashboard, where you can control and monitor your hot water system. THIS COMPLETES THE INSTALLATION AND SET-UP OF YOUR MODEL 3 WATER HEATER.
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Page 29: Limited Warranty And Legal
Heater was manufactured. As Owner’s sole and exclusive remedy, Manufacturer shall replace the MODEL 3 Water Heater. The MODEL 3 Water Heater is not a consumer product and is not subject to the protections or limitations of the under state or federal law. Manufacturer’s maximum liability is www.myheatworks.com... - Page 30 Manufacturer is not liable to Owner or any third party for any loss, personal injury or property damage, directly or indirectly, arising from the MODEL 3 Water Heater. Under no circumstances is Manufacturer liable to Owner or any third party for incidental, consequential, special, contingent, or punitive damages of any description, whether any such claim be based upon warranty, contract, negligence, strict liability, or other tort, or otherwise.
- Page 31 Returns will not be accepted without a return authorization number issued by Heatworks. Return shipping is the responsibility of the customer, and all returned products must be wrapped and packaged securely to avoid shipping damage. All products must be returned www.myheatworks.com...
- Page 32 2) We will ask your permission before sharing your personal information with third parties for purposes other than at your request or to provide Heatworks Products, and to do so only when we think they will provide you with a welcomed additional service.
- Page 33 Direct Adjustments to the Device and Adjustments Made Through the Mobile App If you change settings like temperature setpoint directly via the MODEL 3 unit or on the mobile app, it records and feeds that information to the Heatworks’ algorithms to learn your desired hot water preferences.
- Page 34 For example, we use aggregated user information about the number of active MODEL 3 Water Heater users in a particular state to help us decide what energy companies might be good partners.
- Page 35 We use industry-standard methods to keep this information safe and secure while it is transmitted over your home network and through the internet to our servers. Depending on your location and type of data, Heatworks may process your personal information on servers that are not in your home country.
- Page 36 Your consent is required to allow these exchanges on your behalf and you can change your mind at any time. When you use third-party products and services integrated with the Heatworks Products, their own terms and privacy policies will govern your use of those products and services.
- Page 37 Heatworks generally stores your personal information on Heatworks’ servers until you delete or edit it, or for as long as you remain a Heatworks customer in order to provide you with Heatworks Products. In addition, Heatworks may store your personal information to resolve disputes, establish legal defenses, conduct audits, pursue legitimate business purposes, enforce our agreements and comply with applicable laws.
- Page 38 Products and Services under the supervision of a parent or legal guardian and only if they agree to be bound by these Terms on your behalf. Heatworks’ Products and Services do not knowingly collect or store any personal information from anyone under the age of 13.
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My model 3 has a leak at the top of the bowl where a wire goes into the bowl