Maintenance - A.O. Smith ATX-199 Instruction Manual

GENERAL
See Locating the Water Heater (page 11).
Initial Operation (page 49)
24 (page 61)
PRECAUTIONS
CAUTION
Do not operate the water heater if it has
been exposed to or exhibits the following:
•
Exposed to flooding or water damage
.
•
External damage.
•
Firing without water.
•
Sooting.
Do not operate the water heater until all corrective steps
have been made by a qualified service technician.
44).

MAINTENANCE

Water Line Connections (page
Explosion Hazard
Overheated water can cause
water tank explosion.
Properly sized temperature and
pressure relief valve must be
installed in the opening provided.
Figure 44 (page 39).
Table 24. Maintenance Schedule
Component Operation
Burner
Pressure
Test Operation
Test Operation
Table
WATER HEATING UNIT MAINTENANCE AND SERVICE
•
Water Heating Unit (page 62).
•
•
•
•
•
•
61
Interval
See Draining the Water
Heating Unit.
•
•
Test
Test
•
•
WARNING
•
•
Required
Figure 59)
Draining the