Product Manual

41
PLEASE NOTE: 20H IS FOR OUTDOOR PERMANENT INSTALLATIONS ONLY AND 20HI IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL
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English
DANGER: There is a hot water scald
potential if the temperature is set too high.
Households with small children, disabled, or
elderly persons may require a 120°F. or lower
temperature setting to prevent contact with
HOT water.
Output temperature of water is regulated by setting the
temperature on the front of the remote control.
Safety factors should be considered when selecting the
water temperature setting of the water heater’s remote
control. The remote control was set at 110°F before the
water heater was shipped from the factory. This is the
recommended starting point.
Water temperatures above 120°F can cause severe burns or
death from scalding. The thermostat is adjusted to its lowest
temperature position when shipped from the factory. Be
sure to read and follow the warnings outlined in this manual
and on the label located on the water heater. Mixing valves
are available for reducing point of use water temperature by
mixing hot and cold water in branch water lines. Procedures
for adjusting the thermostat for energy ecient operation
at the minimum water temperature setting consistent with
the consumer’s needs.
Contact a licensed plumber or the local plumbing authority
for further information.
Water Temperature Setting
Water Temperature
120°F
125°F
130°F
135°F
140°F
145°F
150°F
155°F
Time To Produce a Serious Burn
More than 5 minutes
1 1/2to 2 minutes
About 30 seconds
About 10 seconds
Less than 5 seconds
Less than 3 seconds
About 1 1/2 seconds
About 1 second
Table courtesy of Shriners Burn Institute
Operating the Water Heater.
Turning on the Water Heater
1. Make sure the gas type you will use is same as the type on the data plate.
2. Turn on the main gas valve, plug in the power cord (be sure the socket is well grounded), and
press the “ON/OFF”button on the control panel. Set temperature to 120° F.
3. Turn on the faucet, and the fan will begin working. You will hear the ignition sound after a
few seconds. The burner will ignite, and hot water will come out. If the burner is not ignited
successfully, the ignition sound will last a few seconds. If the burner still fails to ignite, turn o
the faucet and wait for 10-20 seconds, and repeat the above procedures.
For rst use and/or if the water heater has not been used for a considerable period of time, the
repeat of the above procedures may be required, due to accumulated air inside the gas pipe.
Safety Precautions
If there is any diculty in understanding or following the Operating Instructions or the Maintenance
section, it is recommended that a qualied person or serviceman perform the work.
• DO turn o manual gas shut-o valve if
water heater has been subjected to over
heating, re, ood, physical damage or if
the gas supply fails to shut o.
• DO NOT turn on water heater unless water
and gas supplies are fully opened.
• DO NOT turn on water heater if cold water
supply shut-o valve is closed.
• DO NOT allow combustible materials such
as newspaper, rags or mops to accumulate
near water heater.
• DO NOT store or use gasoline or other
ammable vapors and liquids, such as
adhesives or paint thinner, in vicinity of this
or any other appliance. If such ammables
must be used, open doors and windows for
ventilation, and all gas burning appliances
in the vicinity should be shut o including
their pilot lights, to avoid vapors lighting.
NOTICE: Flammable vapors can be drawn
by air currents from surrounding areas to
the water heater.
Operating
English-20Liter-Series-ManualV4_OK.indd 41 3/12/2019 10:55:05 PM