USER INSTRUCTIONS
WARNING
▲ To ensure the safety of your own and that of others,you will need to read the installation manual and user
instruction carefully before operating the unit.Failure to comply with the manual may cause property damage,se-
rious injury,or death.If you have any questions,contact our company or the maintenance personnel appointed by
our company.
▲ DO NOT install this unit in a location where it may be subject to freezing temperatures. If the water inside your
tankless water heater freezes, it can cause severe and permanent damage that is not covered under our warranty.
▲ Water temperature over 125°F (52°C) can cause severe scalding. If the set temperature of the unit is too high,
there is the possibility of hot water scalding. Children, disabled persons or the elderly in small households may
need to set the temperature of the product below 113°F (45°C) in order to prevent possible harm caused by hot
water or use after mixing hot and cold water.
▲ Where children or persons with limited physical, sensory or mental capabilities are to be allowed to control
this appliance, ensure that this will only happen under supervision or after appropriate instructions by a person
responsible for their safety. Children should be supervised to ensure that they never play with the appliance.
▲ This unit has more than one power-supply connection point. Disconnect all power supplies before servicing.
▲ To avoid damage, the unit needs to be kept dry. Keep the unit away from direct sunlight, moisture, dust,
steam, and other liquids. Do not install the units in places where water can leak. (such as under air conditioning
lines that might leak or condense moisture or water pipes ).
▲ The outlet water pipe can get very hot, make sure that the outlet water pipe is out of the reach of children, and
must be insulated.
▲ This product is only used to heat water, do not use it to heat other liquids.
▲ Damage caused by water quality is not covered by the warranty.
▲ Make sure all circuit breakers and disconnect switches are off before installation and maintenance.
▲ Do not store inflammables and explosives near the water heater.
▲ Water heater will produce steam or high temperature water and cause severe burns if dry burning without
water,so please make sure to fill water in water heater,if dry burning happen, disconnect power and water imme-
diately, stop using, and call the service hotline for repair.
▲ After the water heater installation and using, the user should check and maintain it regularly. If there is any
abnormality, the user should stop using it immediately and call the service hotline for repair.
▲ If any part is soaked in water, it should be inspected or repaired by professionals before use.
▲ Please do not use damaged wires, aging, loose and non-fixed power socket, otherwise will cause electric
shock, short circuit, fire and other accidents.
▲ In case of any abnormal situation of grounding system outside of the product, stop water heater immediately,
pull of plug or disconnect all power supply circuit and call the service hotline for repair.
TECHNICAL SPECIFICATION
Note: The temperature rise data is measured under the conditions of inlet water temperature of 3℃ (37℉).
Phase Single 60 Hz
Amperage draw
Min. wire size (copper)
Min. Water Flow
Water connection
Watts
Temp
Rise
Model
@1.5GPM
@2.25GPM
@3.0GPM
3/4"NPT
208V 240V 208V 240V
Working pressure
150PSI/10BAR
Voltage
Circuit breaker(Amps)
EC18 EC24
2x38A2x33A
18.0kW13.5kW
2x40 2x40
3x30
3x40
0.66GPM/2.5L/min
2x8AWG
3x34A
24.0kW
3x29A
18.0kW
3x8AWG
61℉
41℉
31℉
82℉
54℉
41℉
82℉
54℉
41℉
102℉
73℉
54℉
3
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