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Atmor 900 series - User Manual

Atmor 900 series
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Directions of Assembly and Operation of “In-Line” Instant Water Heater
“Instant” appliance is a novel device designed to supply hot water instantaneously upon
demand while conserving electricity, water and energy.
The “In-Line” is the most advanced heater in the “Instant” family and as such can be installed
anywhere, and serve any purpose. When the ow switch turns on the electrical current, the
heating element heats only the amount of water economically needed for use.
900 Series
Hot Water on Demand
InLine

Table of Contents

Questions and Answers

  • D
    Dr. Kelly MitchellJul 31, 2025
    What to do if my Atmor 900 Water Heater has no hot water?
    • N
      Nicholas BennettJul 31, 2025
      If your Atmor Water Heater isn't producing hot water despite the faucet being fully open, several factors could be at play. First, check the circuit breaker and voltage at the wiring block to ensure there's electrical power. Low voltage could also be the culprit; use a voltage meter to compare the reading at the heater's outside terminals against the specified voltage in the installation instructions. Also, the heater should be mounted no more than 12-18 inches from the point of use. Finally, controlling the flow rate is essential to ensure proper temperature increase, so check your flow rate to ensure proper operation of the heater.
  • R
    Richard GillAug 13, 2025
    Why is my Atmor 900 not activating?
    • A
      Amy RichardsAug 13, 2025
      If your Atmor Water Heater isn't activating, it might be due to a low flow rate. For low flow rate heaters, ensure the flow control is attached to the end of the faucet. Then: * Turn off the circuit breaker. * Open the hot valve to release pressure from the unit. * Check the shut-off valve to ensure it's 100% open. * Clean filter screen. * Turn the circuit breaker back on. Standard Flow Rate Models require 0.5GPM to activate.

Summary

Overview and Safety Precautions

Overview of the Manual

Manual must be read carefully before installing the water heater to avoid property damage or injury.

Key Safety Precautions

Instructions for safe installation and operation, emphasizing licensed professionals and proper grounding.

Installation Instructions

Operation and Installation Requirements

Operation Instructions

Guides on activating the heater, flow rate, cleaning, pressure limits, and temperature adjustment.

Installation Requirements

Details electrical line needs, circuit breaker connection, and recommended cable types.

Technical Information and Model Guide

Technical Information

Provides specifications like voltage, wattage, amperage, wire size, and dimensions for various models.

Model Guide

Lists available models and their corresponding power output (kW) across different voltage options.

Troubleshooting Guide

Limited Warranty

Atmor 900 series Specifications

General IconGeneral
BrandAtmor
Model900 series
CategoryWater Heater
LanguageEnglish

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