MAINTENANCE AND SERVICE
WARNING: Turn off the electrical power supply and close the manual gas
control valve and the manual water control valve before servicing.
•
Be sure that all openings for combustion and ventilation air are not blocked.
•
Check that the exhaust vent pipe is not blocked.
•
Check the gas pressure.
•
Keep the area around the Hydro-Smart 170 clear. Remove any combustible materials,
gasoline or any flammable vapors and liquids.
Hydro-Smart
recommends having the unit checked once a year or as necessary by a licensed
technician. If repairs are needed, any repairs should be done by a licensed technician.
UNIT DRAINING FOR MAINTENANCE
Drain Plug
1.
Close the manual gas shut off valve.
2.
Turn off power to the unit, and then turn on again.
3.
Wait 30 seconds, and then turn off power to the
unit, yet again.
4.
Close the water shut off valve.
5.
Have a bucket or pan to catch the water from the
unit’s drain plugs.
Unscrew
the drain plugs to
drain all the water out of the unit.
Gas Valve
6.
Wait a few minutes to ensure all water has
completely drained from unit.
7.
Securely screw the drain plugs back into place.
Hand- tighten only
Drain Plug
Water Valve
21
