Hot Water on Demand
InLine
900 Series
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.
OVERVIEW
This manual must be read carefully before attempting to install the water heater. If you do not follow the
safety rules or the instructions outlined in this manual, the unit may not operate properly and it could cause
property damage, serious bodily injury or death.
Atmor will not be liable for any damages because of failure to comply with the installation and operating
instructions outlined in this manual or because of improper use. Improper use includes the use of this
appliance to heat any liquid other than water. Failure to comply with the installation and operating instructions
or improper use voids the warranty. Never remove the unit’s cover unless the electricity is turned off.
SAFETY PRECAUTIONS
Please read and follow these instructions. Failure to follow these instructions could result in serious bodily
injury or death.
The unit must be installed by a licensed electrician / plumber. The installation must comply with all national,
state and local plumbing and electrical codes.
Service of the unit must be performed by qualied service technicians.
Before proceeding with any installation, adjustment, alteration, or service of this unit, all circuit breakers and
disconnect switches servicing the unit must be turned off. Failure to do so could result in serious personal
injury or death.
Danger: Never remove the unit cover unless the electricity servicing the unit is turned off. Failure to do so
could result in personal injury or death.
Warning: The unit must be properly grounded. Failure to electrically ground the product could result in
serious personal injury or death.
Warning: Unit must be installed with the plumbing connections pointing downward only.
Warning: Do not install unit where it would routinely be splashed with water. Electric shock or death may
result.
NOTE: If soldering near the unit is necessary, please direct the ame away from the housing of
the unit, in order to avoid damage. Excessive heat from soldering on copper pipes near the unit
may cause damage. All plumbing work must comply with national and applicable state and local
plumbing codes.
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INSTALLATION INSTRUCTIONS
This water heater must be installed by a licensed electrician, as required by law.
1. Open the four screws located on the top and bottom of the device and remove the cover from base.
2. Fix the base horizontally against a wall or side of cabinet, metal plate supplied must be installed
below cable entry on the wall and ground wire must be connected to the unit, the water entry and
exit connectors are on the down/bottom side of the unit. Use 4 mounting screws provided.
3. For the AT900-13 model, use the supplied water lter on the income water line (see attached separate
diagram: "Water lter installation").
4. Connect the incoming water line (cold only) on the bottom left side and the outgoing water line to the
bottom right side. Please check that there is no water leakage from the unit.
5. Connect and lock the electric lines to each corresponding connector. It is required that this device be
properly grounded.
6. Turn on the unit and check that it is operating as required.
7. Reconnect the cover to the base with 4 screws.
8. It is required that a Ground Fault Circuit Interrupter/Earth Leakage Circuit Breaker be incorporated in the
circuit.
9. Make sure that there is a pressure release valve in your water system.
10. It is required to install a ow control restrictor (AERATOR) at the sink or shower.
WARNING: UNIT MUST BE PROPERLY GROUNDED
THIS HEATER MUST HAVE ITS OWN INDEPENDENT CIRCUIT USING
A CORRECTLY RATED CIRCUIT BREAKER AND SUITABLE WIRE, SEE
TABLE RECOMMENDED CABLE.
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