Ace Heating Solutions Atlas A050 Operating And Maintenance Manual page 115

Extended Warranty: An extended 7-year heat exchanger warranty to the customer follows the same conditions
as stated above and will be as follows:
Year
Summary of Atlas Acceptable Conditions (per O & M manual)
Subjects
Min Velocity
Max Velocity
Chamber Pressure
Filter
1-5
6
7
Discount
100%
50%
25%
Condition
Minimum flow is based on both firing rate and
inlet water temperatures. Water should not be
flashing to steam. If an audible popping sound is
heard, increase the flow rate.
8 ft/s
60 gpm on A050-A150
120 gpm on A200-A300
Under +0.5 in WC
Inspected Monthly
115
Rev 2.1