Chapter 6
Innovation Series Water Heaters
GF-128
Maintenance
USER MANUAL
OMM-0079_0B
07/21/11 AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
•
Ph: 800-526-0288
Page
71
of
200
Figure 6-10. Air Filter Mounting Location
6.11 SHUTTING THE WATER HEATER DOWN FOR AN EXTENDED PERIOD OF TIME
If the heater is to be taken out of service for an extended period of time (one year or more), the following
instructions must be followed.
1. Set
ON/OFF
switch on the front panel to the
OFF
position to shut down the heater’s operating controls.
2. Disconnect AC power from the unit.
3. Close the water inlet and outlet valves to isolate unit.
4. Close external gas supply valve.
5. Open relief valve to vent water pressure.
6.12 PLACING THE HEATER BACK IN SERVICE AFTER A PROLONGED SHUTDOWN
After a prolonged shutdown (one year or more), the following procedures must be followed:
1. Review installation requirements included in Chapter 2.
2. Inspect all piping and connections to the unit.
3. Inspect exhaust vent, air duct (if applicable).
4. Perform initial startup per Chapter 4.
5. Perform safety device testing and scheduled maintenance procedures per Chapters 5 and 6 of this
manual.