Techtanium MP 20, Installation And Operation Instructions Manual

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VI Maintenance
To ensure e ffi cient and safe opera on, DHT recom ‐
mends the servicing of the heater by a competent ser ‐
vice technician.
Lime or Sediment Buildup (Every 6 months)
To reduce the buildup of lime or sediment it is recom ‐
mended that the tank be fl ushed every six months.
1. Drain the tank through the drain valve at the
bo om of the tank un l the water is clear.
2. Inspect the tank for any deposits of lime or sediment.
3. Remove lime, scale or deposits using care not to
damage the tank lining.
Temperature & Pressure Relief Valve (Every 12
months)
1. Before manually tes ng the T & P valve, make sure
the valve is piped in a manner that will not cause
harm or damage any surrounding area.
2. Manually open the relief valve and allow it to fl ush
out any lime or sediment deposits.
3. Allow the relief valve to snap shut, making sure the
seal closes properly.
Magnesium ‐ An ‐ Corrosion Anodes (No longer than
every 12 months)
Removal of the anodes:
1. Shut o ff all power to the heater.
2. Close the domes c cold water supply valve.
3. Open the household hot water taps.
4. A ach a hose to the drain valve located at the
bo om of the heater and allow the heater to drain.
5. Unscrew the anodes.
EXAMINE THE ANODES AND REPLACE IF THE
Y SHOW
SIGNS OF DETERIORATION
.
6. Replacement of the Anodes ‐‐ The use or P.T.F.E. tape
is recommended to ensure water ght connec on of the
anodes.
Failure to inspect the anodes may result in
premature failure of the heater
and could
void the warranty
.
Owner Informa on
Model Number: _______________________________
Serial Number: _______________________________
Installa on Date: ______________________________
Wholesaler: _________________________________________________________________________________
Original Owner Name: _________________________________________________________________________
Address: ____________________________________________________________________________________
City: _______________________________________ State: __________________________________________
Zip Code: __________________________________ Addi onal Informa on: ____________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
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