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INITIAL OPERATION
For your safety please read before
operating the unit for the first time.
Once you have properly installed the unit and
before firing it for the first time, check the gas
and water connections for leaks. Open the
main gas supply valve to the unit using only
your hand to avoid any spark. Never use tools.
If the knob will not turn by hand, do not try to
force it; call a qualified service technician.
Force or attempted repair may result in a fire or
explosion due to gas leaks. Be sure to check
next to the bottom of the unit because some
gases are heavier than air and may settle
towards the floor.
CAUTION: IF YOU SMELL GAS:
1. Do not try to start the water heater.
2. Do not touch any electric switch; do not
use any phone in your building.
3. Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
4. If you cannot reach your gas supplier,
call the fire department.
This water heater does not have a pilot light. It
is equipped with an electronic ignition device
which automatically lights the burner. Do not
try to light the burner manually. Check for
proper venting and combustible air to the
heater. Purge the gas and water lines to
remove any air pocket. Do not use this water
heater if any part has been submersed under
water. Immediately call a qualified service
technician to inspect the water heater and to
replace any parts that have been under water.
Once the above checks have been completed,
follow these steps to turn on your unit:
1. Close the manual gas control valve located
on the gas line.
2. Fully open the manual water control valve
on the water supply line.
3. Open a hot water tap to verify that water is
flowing to that tap. Then close the hot
water tap.
4. Fully open the manual gas control valve
installed.
5. Turn on the 120 volt 60 Hz power supply to
the FLASH T-K2 water heater.
6. Now you are ready to enjoy hours of
endless hot water.
NORMAL OPERATION
To Turn on Your FLASH T-K2 water heater.
1. Open a hot water tap.
2. Burners ignite. “Fire On” lamp is lit.
3. Mix cold water with the hot to get the
correct temperature water.
To "Turn off your Mobius water heater
1. Close the hot water tap
“Fire On” lamp extinguishes.
FLOW
The flow rate through the FLASH T-K2 is
limited to a maximum of 6.9 GPM. The
temperature setting, along with the supply
temperature of the water will determine the
flow rate output of the unit. Please refer to the
temperature/gallons per minute chart at the
back of this manual to determine the likely flow
rates based on your local ground water
temperature and your desired outlet water
temperature combination.
Based on the United States Department of
Energy method of testing water heater output,
the T-K2 is rated for 228 gallons per hour
(GPH), or 3.8 gallons per minute (GPM), when
raising the water temperature by 77°F (for
example from 43°F to 120°F). Refer to the
following chart of typical household plumbing
fixture flow rates to determine what the FLASH
T-K2 can do in a household application.
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