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Operation
General
The Flash Water Heater is an instantaneous,
tankless water heater designed to efficiently supply
domestic or commercial hot water. The principle
behind the Flash water heater is simple: Once a
hot water tap is opened, the Flash's flow sensor
detects that hot water is needed, and automatically
commands the computer to electronically ignite the
burners, and heat water. During operation, the
computer monitors the water temperature and flow
rate, and controls the gas flow and fan speed to
maintain a constant output temperature. After the
burners are ignited the "fire on" lamp will be lit.
0.75 gallons per minute is required to turn the
burners on, but after the burners are ignited, the
flow rate can drop to 0.60 gallons per minute
without the burners turning off.
As long as water, gas and electricity are
connected, there will be an endless flow of hot
water. To turn on your water heater, just open a
tap. To turn the heater off, just close the tap.
Turning It On
To turn on the Flash water heater
1. Open a hot water tap, or turn on water
demanding appliance.
2. Unit will detect flow, burners will ignite, "Fire
On" lamp will light up on the computer.
3. If necessary, mix in cold water to get a
comfortable temperature.
Turning It Off
To turn off the Flash water heater
1. Close the hot water tap, or turn appliance off.
2. Flow will diminish, unit will shut off.
3. "Fire On" lamp will go out.
Temperature
The output temperature of the T-K1S has been
factory set for a maximum 120° F (50° C). This is
electronically controlled by the computer and can
be
adjusted
with
controller. Further adjustment may be made by
mixing in cold water with the hot to obtain the ideal
water temperature.
The flow rate possible out of the unit is dependent
on the temperature setting chosen. Consult the
flow charts on the last page of this unit to
determine the possible outlet temperature and flow
rate combinations.
WARNING:
Temperatures above 125º F (52º C)
can cause severe burns or death from scalding.
Children, the disabled and the elderly are at a high
risk of being injured. Feel the water temperature
before bathing or showering. Do not leave
children,
disabled
unsupervised.
Flow
The flow rate through the T-K1S is limited to a
maximum of 7.5 GPM. The temperature setting,
along with the supply temperature of the water will
determine the flow rate the unit puts out. Consult
3
a
TK-RE01
temperature
persons,
or
the
elderly
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