Pumping System Set-Up Instructions - Watts Aerco Innovation 800 User Manual

Innovation Hot Water Hot Water Boiler User Manual

6.8.1 Pumping System Set-Up Instructions

A sample pumping set-up diagram is shown in Figure 6-8 for an Innovation Hot Water Boiler. 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:
1. Turn off the hot water boiler and close the inlet and outlet isolation valves.
2. Open the drain valve at the rear of the heater and drain at least half of the heat exchanger
water-side volume. When full Innovation models hold approximately the gallons of water
listed below:
•
INN800
•
INN1060
•
INN1350
For the Innovation model being cleaned, drain at least the amount of eater shown in
parentheses.
3. Prepare a 50% solution of HydroSkrub and clean water. The amount of the solution should
be approximately equal to the full volume of water that the heat exchanger holds.
4. Mix 11 (41.7 L) gallons of HydroSkrub with 11 gallons (41.7 L) of water to provide a 50%
solution.
5. Close the unit drain valve and connect a suitable size bucket and pump to the unit drain as
shown in Figure 6-8.
6. Install a "T", ball valve and hose connection in the outlet piping of the heater (Figure 6-8).
Route the hose back to the top of the circulation bucket.
CONNECTION
CIRCULATION
BUCKET
Figure 6-8. Sample Heat Exchanger Cleaning Set-Up
OMM-0120_0A
GF-128-I
CHAPTER 6 – MAINTENANCE
Set-Up Instructions
24.5 gallons (92.7 L)
23 gallons (87.01 L)
20.6 gallons (77.97 L) – (drain at least 10.3 gallons, 38.98 L)
UNION
HOSE
PUMP
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
- INTERNATIONAL
– (drain at least 12.25 gallons, 46.37 L)
– (drain at least 11.5 gallons, 43.53 L)
HOT WATER
OUTLET
CONNECTION
BACK-FLOW
PREVENTOR
DRAIN
VALVE
COLD
WATER
IN
CLOSE COLD
WATER INLET
Page 81 of 174
11/15/2016