AERCO Innovation (G-13-1854 and above) - Manual (Page 80)

Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 6 – MAINTENANCE
Page 80 of
196 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
OMM-0078_0J
PRI: 11/22/2013
Phone: 800-526-0288
GF-128
Figure 6-7. Flat Style Head Configuration
6.8 HEAT EXCHANGER CLEANING
AERCO recommends that the heat exchanger of the unit be cleaned annually to maintain
maximum heat transfer efficiencies using a solution of HydroSkrub and water. HydroSkrub is
distributed by AERCO International, Inc. and is designed to dissolve the toughest water scale,
lime, mud and rust deposits from virtually any type of water-based equipment.
Please review MSDS, specifications, and our website ( www.aerco.com) for
additional information, or call technical service at (800) 526-0288.
Do not drain the unit without venting the shell! A vacuum in the unit may displace
the head liner causing serious damage not covered by warranty.
6.8.1 Pumping System Set-Up Instructions
A sample pumping set-up diagram is shown in Figure 6-8 for an Innovation Water Heater. As this
diagram shows, heat exchanger cleaning is accomplished by pumping the HydroSkrub solution
from a large circulating bucket to the heat exchanger drain valve, through the heat exchanger and
then out through the output connection of the heater. Set up the pumping system as follows:
Set-Up Instructions
1. Turn off the water heater and close the inlet and outlet isolation valves.
CAUTION
CAUTION
5/8-11 X 3-3/4” STUD
5/8-11 HEX NUT
UPPER HEAD
SHELL RING
HEAT EXCHANGER
UPPER HEAD LINER
(p/n 123077)
HEAD RELEASE
GASKET (p/n 18556)
HEAD GASKET
(p/n 18532)