Related Manuals for Atmor ThermoPro Series
Summary of Contents for Atmor ThermoPro Series
- Page 1 Hot Water on Demand Electric Tankless Water Heaters ThermoPro Series Models: AT-910-18TP, AT-910-24TP, AT-910-27TP, www.atmorusa.com...
- Page 2 Important Safety Guideline SAVE THIS INSTRUCTION MANUAL FOR FUTURE REFERENCE. Definitions: Safety Alert Symbols and Words This instruction manual uses the following safety alert symbols and words to alert you to hazardous situations and your risk of personal injury or property damage. DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
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Page 3: Table Of Contents
Table of Contents 1. Safety Guidelines ------------------------------------------------------------------------------------- 4 2. About Your Atmor Electric Tankless Water Heater ------------------------------------------------ 4 3. Selecting an Installation Location ------------------------------------------------------------------- 5 4. Mounting the Water Heater ------------------------------------------------------------------------6-7 5. Plumbing Requirements and Precautions --------------------------------------------------------7-8 6. Plumbing Installation --------------------------------------------------------------------------------- 8 7. -
Page 4: Safety Guidelines
This unit is intended for heating water only. Do not attempt to use the unit for heating any other kind of liquid. 2. About Your Atmor Electric Tankless Water Heater Congratulations on your decision to purchase one of the finest instant water heaters currently... -
Page 5: Selecting An Installation Location
Temperature Exposure Time Resulting in Scalding 120°F (49°C) 5 minutes of exposure 122°F (50°C) 3 minutes of exposure If you have small children, disabled, or elderly persons in your home, you may require a setting of 120°F (49°C) or lower to ensure their safety. -
Page 6: Mounting The Water Heater
4. Mounting Your Water Heater The instant water heater must be secured to solid mounting surface with four screws (minimum 1” (25.4mm) long). Make sure the unit is level before fastening the screws. The unit must be installed in an upright position with the water inlet and outlet at the bottom of the unit. -
Page 7: Plumbing Requirements And Precautions
Recommended clearances: 12” (304.8mm) above and below the heater 6” (152.4mm) in front of and to the sides of the heater CAUTION: Keep any flammable materials at least 24” (609.6mm) away from the water heater and hot water outlet pipe. 5. -
Page 8: Plumbing Installation
• It is recommended to install a manual shut-off valve (ball valve) on the inlet and outlet of the water heater to create a convenient shut-off point if future maintenance or servicing is required. • Before connecting the pipes to the water heater, it is crucial to flush the lines to eliminate all the plumbing paste or residue in the lines caused by any welding or soldering. -
Page 9: Electrical Requirements And Precautions
7. Electrical Requirements and Precautions Manufacturer recommends that this product be installed in accordance with all applicable national, state, provincial, and local electrical codes. Consult a qualified and licensed electrician if you have questions or are unsure about anything relating to codes for this product. The heater must be connected to a dedicated circuit breaker on the main electrical panel. -
Page 10: Electrical Installation
8. Electrical Installation STEP 1: Take the wire pair and connect to the breaker. Be sure that the breaker is connected to one black wire and one red wire. Be sure the power to the unit is shut off using the dedicated circuit breakers in the main electrical panel. - Page 11 Electrical Specifications by Heater Input Item # Required Breaker Req. Wire Size Amps AT-910-18TP 75 A 3 x 30A double Pole 3 x 8 AWG with ground AT-910-24TP 100 A 3 x 40A double Pole 3 x 8 AWG with ground AT-910-27TP 112.5 A 3 x 40A double Pole...
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Page 12: Flow Rate
9. Flow Rate The chart below indicates maximum temperature rise for a given flow rate INLET GROUND WATER TEMP Item # 30°F 40°F 50°F 60°F 70°F AT-910-18TP 4.1 GPM 3.06 GPM 3.52 2.04 GPM 1.75 GPM AT-910-24TP 5.2 GPM 3.95 GPM 3.52 GPM 3.3 GPM 2.4 GPM... -
Page 13: Care And Maintenance
Water conditions that do not comply with the recommended levels can damage the water heater. Atmor reserves the right to deny any warranty claim for damage resulting from water conditions that deviate from the levels specified in the table below. -
Page 14: User Interface/Controls
When air is introduced into the plumbing system, follow the steps below to ensure the unit can safely resume operation. Shut off all power to the unit at the circuit breaker on the main electrical panel. Perform the maintenance or servicing tasks. Open one or more hot water faucets and allow water to run through the unit for several minutes to purge any air from the heater and water lines This step must be performed before turning on power to the heater. - Page 15 Starting the system for the first time 1. With the water running through the unit, turn the temperature knob clockwise to activate the heater. 2. Turn the knob to adjust the temperature.The recommended temperature setting is 118°F (48°C). Freezing Temperatures If the ambient temperature falls below 32°F (0°C), protect the heater from potential damage.
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Page 16: Troubleshooting
13. Troubleshooting Before calling for service, check the troubleshooting list of common issues. If you are unable to resolve a problem, contact your locally authorized distributor. PROBLEM POSSIBLE CAUSE SOLUTION ISSUE No hot Power outage or Check the power supply. Check the circuit breakers. water and faulty wiring. - Page 17 Water is Voltage less than 240 The computer chips in your tankless water heater are heated, Volts programmed with the expectation that your incoming line but not hot voltage is 240 volts. If you have less than 240 volts [i.e. enough.
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Page 18: Reset Unit
14. Reset Unit As with all electrical appliances, it is crucial to first shut off all power to the unit directly at the fuse or breaker box before attempting to reset this water heater. WARNING: SERIOUS BODILY INJURY OR DEATH COULD OCCUR IF YOU IGNORE THIS WARNING. - Page 19 LIMITED WARRANTY For service, repair or any questions regarding your water heater, call the appropriate 800 number listed within this section. Please DO NOT return the product to the place of purchase. Also, DO NOT mail the product back to the manufacturer, nor bring it to a service center without proper instructions and permission from one of our representatives.
- Page 20 Notes:...
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