EZ TANKLESS EZ ULTRA HE OPERATION & INSTALLATION MANUAL
PAGE 1 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL EZ ULTRA HE GAS TANKLESS WATER HEATER SPECIFICATIONS Maximum Gas Consumption BTU/h Minimum Gas Consumption BTU/h 70,000 12,500 Hot Water Supply at 45f Temperature Rise 3.4GPM LPG (Propane) Inlet Pressure 11” WC NG (Natural Gas) Inlet Pressure Exhaust System Flue Diameter 8” WC Forced Exhauste Type 2.
PAGE 2 IMPORTANT SAFETY INFORMATION READ THE SAFETY INFORMATION Your safety and the safety of others are very important. There WARNINGS: are many important safety messages in this manual and on your appliance. Always read and obey all safety messages. This is the safety alert symbol. Recognize this symbol as an indication of Important Safety Information! This symbol alerts you to potential hazards that can kill or hurt you and others.
PAGE 3 IMPORTANT SAFETY INFORMATION Water Heater Venting Safety DANGER: • F ailure to install and properly vent the water heater to the outdoors as outlined in the “Venting” section of the Installation Instructions in this manual will result in death from fire, explosion, or asphyxiation from carbon monoxide. NEVER operate this water heater unless it is properly vented and has the air supply piping properly installed and terminated to the outdoors.
PAGE 4 IMPORTANT SAFETY INFORMATION Water Supply Safety ! DANGERS: DANGER CAUTIONS: • WATER TEMPERATURE SETTINGS • This water heater must only be used ! – Safety and energy conservation with the following water supply system are factors to be considered when conditions: selecting the water temperature –W ith clean, potable water free of corrosive setting of a water heater’s remote chemicals, sand, dirt, or other contaminants. control.
PAGE 5 IMPORTANT SAFETY INFORMATION Natural Gas and Liquefied Petroleum Safety DANGERS: WARNINGS: • N ever attempt to convert the water heater from natural gas to LP or vice versa. The water heater must only use the fuel type in accordance with listing on data plate— natural gas for natural gas units and LP for LP units. Any other fuel usage will result in death or serious personal injury from fire and/or explosion. This water heater is not certified for any other fuel type.
PAGE 6 IMPORTANT SAFETY INFORMATION Before operating this water heater, be sure to read and follow the instructions on the label pictured below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in unsafe operation of the water heater, resulting in death, personal injury, or property damage. Should you have any problems reading or following the instructions in this manual, STOP and get help from a qualified service technician.
PAGE 7 IMPORTANT SAFETY INFORMATION Electrical Safety DANGER: • S hock Hazard – Make sure the electrical power to the water heater is off to avoid electric shock that will result in death or serious personal injury. WARNINGS: • F or your safety, the information in this manual must be followed to minimize the risk of fire, explosion, or electric shock that can result in death, personal injury, and/or property damage.
PAGE 8 IMPORTANT SAFETY INFORMATION General Installation and Maintenance Safety SAFETY PRECAUTIONS: WARNINGS: • This water heater must be installed in accordance with these instructions, local codes, utility company requirements and/or in the absence of local codes, use the latest edition of the American National Standard/National Fuel Gas Code (NFGC), ANSI Z223.1 and National Fire Protection Association, NFPA 54. • For your safety, DO NOT attempt to disassemble this water heater for any reason.
PAGE 9 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL TABLE OF CONTENTS 01. Tankless Water Heater Specifications 02. Table of Contents 03. Limited Warranty 04. What’s Included 05. Features & Benefits 06. Installation 07. Safety Precautions 09. Initial Set-up and Operation 10. Special Notes & Installations 13. Operation of the EZ Ultra HE 16. Recommended EZ Ultra HE maintenance 19.
PAGE 10 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL 1.0 LIMITED WARRANTY WHAT IS COVERED? The EZ Tankless warranty covers any defects in materials or product workmanship when the product is installed and operated in accordance with written installation instructions contained herein, subject to the terms outlined within this limited warranty document.
PAGE 11 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL 2.
PAGE 12 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL 3.0 FEATURES & BENEFITS The EZ Ultra HE is a gas condensing tankless water heater designed to provide hot water for all your household hot water needs. • Intelligent Computer Control System – The built in CPU chip measures the volume, pressure, and temperature of the incoming water while taking into account the desired outgoing water temperature and adjusts the unit to the correct parameters to ensure the desired temperature is reached.
PAGE 13 ANOTICE The 3x supplied 1/2" NPT Fittings MUST be used with the GAS and WATER CONNECTIONS for all installation types.
EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL PAGE 14 4.0 INSTALLATION Contact your local licensed plumber for a proper installation of the EZ Ultra HE tankless water heater. Do not install this unit by yourself if you are not a licensed plumber. The EZ Ultra HE uses a forced exhaust which must be installed according to the instructions in this manual and all local codes. 4.1 NOTICES FOR INSTALLATION 01. 02. 03. 04. 05. 06. 07. 08. 09. 10. 11. 12. 13. 14.
EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL PAGE 15 4.2 – INSTALLATION OF THE GAS PIPE 01. Contact your local gas supplier for installation of the gas line to the tankless water heater. 02. Install a shut off valve at the unit. 03. Natural Gas must be at 8” WC, Propane must be at 11” WC. 04. Always check for gas leaks after connecting the gas line to the unit. An electronic gas detector works best, but soapy water in a spray bottle works as well (bubbles indicate leak). 4.
EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL 5.2 PAGE 16 SCALDS-FIRST AID GUIDANCE 01. Remove clothing & jewelry - remove all wet clothing, quickly, as wet clothing retains the heat. 02. Apply cold water for 30 minutes - immediately submerge the burnt area in cold water for 30 minutes to reduce the heat in the skin, preventing deeper burning. Never use butter, oils, or ointment to cover the burn, as they may retain the heat. 03.
PAGE 17 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL 6.0 INITIAL SETUP AND OPERATION Note: These steps should be followed for every new location or water source 1. ON/OFF SWITCH Recommended Turn the systems power on. Display will light up with temp. 2.
EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL PAGE 18 6.1 SPECIAL NOTES - INSTALLATIONS 1. WELL WATER INSTALLATIONS Due to the fluctuation in water pressure when using a well water system, users may experience fluctuations in water temperature. Fluctuations can be fixed with use of a water pressure regulator. When using a well system with a pump switch set to 40-60PSI, it is best to set your water pressure regulator at 45PSI.
PAGE 19 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL DIM DESCRIPTION A Width 13-7/8” or 351mm B Depth 4-7/8” or 125mm C D Height - Unit 22-7/8” or 566mm Height - Including Brackets 24-5/16” or 618mm E1 Hot Water Outlet (from wall) 3/4” of 20mm E2 Gas 1-3/4” or 42mm E3 Water Inlet 2-1/4” or 52mm
PAGE 20 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL EZ TANKLESS ULTRA-HE WATER HEATER 1/2” GAS CONNECTION 3/4" 1/2” HOT WATER SUPPLY LINE 3/4" FOR BUILDING FIXTURES 1/2” COLD WATER SUPPLY LINE 3/4" GAS SUPPLY KEY 1/2” Ball Valve 3/4" Pressure Relief Valve 1/2” Union 3/4" Boiler Drain Valve XXXXX This drawing is not an engineered drawing. It is intended for use only as a guide and does not act as replacement for professionally engineered installation drawings.
Vent Termination Clearances Recommended Vent/Combustion Air Intake Terminal Position PAGE 21 Terminals should be positioned to avoid products of combustion entering openings into buildings or other vents. Maintain 12” clearance above grade or highest anticipated snow level (whichever is greater). Please refer to your local codes for snow level in your area.
EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL PAGE 22 7.0 OPERATION OF THE EZ ULTRA HE 7.1 – INITIAL USE Before operating the unit make sure connections are sealed (water and gas) as well as proper installation of the flue. After confirming, proceed as follows: 01. Open the cold and hot water valve at the unit. 02. Open the closest hot water tap, after confirming water is flowing through the unit close the tap. 03. Plug the unit into the wall outlet (surge protector recommended). 04.
EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL PAGE 23 7.3 – USING THE DISPLAY TEMPERATURE REGULATION 01. 02. 03. Press the power button. The unit will come set at 42°C. Use the up and down arrows to change the temperature. You may change the temperature in 1° increments from 35°C - 48°C. The temperatures available after 48°C are 50°C, 55°C, 60°C, and 65°C. While running, the temperature can only be adjusted between 35°C - 48°C to prevent scalding.
EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL CAUTIONS AND SAFETY TIPS • • • • • • Make sure that if the unit is installed in a small room or closet that there is a 12”x24” vent in the door. This water heater is intended for indoor use only. Do not install outdoors. Check the flue frequently for any clogs to prevent CO2 poisoning. Do not touch the flue while in operation to prevent burns. Any combustibles (cleaners, gas, etc.) should be kept away from the water heater.
EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL PAGE 25 8.0 RECOMMENDED EZ ULTRA HE MAINTENANCE Please check the water heater regularly as instructed below. Every 3-6 months do a routine maintenance check of the gas and water lines for leaks, abnormal noises while in operation, blockage of condensation drain, blockage of exhaust through the flue, and make sure you are maintaining a safe distance from the water heater and any combustibles. 1.
PAGE 26 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL NON-MALFUNCTIONING SYMPTOMS & SOLUTIONS SYMPTOMS SOLUTIONS White smoke coming from flue White smoke can be caused from the hot air exiting the exhaust into cooler temperatures outside. This is normal. Failing to light upon first use after installation or first use after sitting dormant Fan still spinning after unit shuts down Unit will not fire with low flow Water coming out of pressure relief valve There may be air in the gas line.
PAGE 27 EZ TANKLESS ULTRA HE OPERATION + INSTALLATION MANUAL 9.0 ERROR CODES Error codes will be displayed in the temperature read-out if there is a malfunction. Call EZ Tankless if you have any questions (765)885-5125 ERROR CODE 01 ERROR CODE DESCRIPTION Inlet Temp Probe Malfunction CONFIRMATION & SOLUTIONS Inlet temperature has either failed or is dirty. You may try cleaning the probe with white vinegar. If that does not work it will need to be replaced. Lack of Gas.
CONTACT US EZ TANKLESS, INC. 120 N WASHINGTON AVE FOWLER, IN 47944 SALES DEPARTMENT: E. SALES@EZTANKLESS.COM P. 219-369-4781 SUPPORT DEPARTMENT: E. SUPPORT@EZTANKLESS.COM P.
