21
5.
Close the water supply’s main control valve.
6.
Partially open the system main drain valve slowly. Con-
firm that no water is flowing from the drain.
NOTE:
If
water is flowing, the system may not have drained prop-
erly. If this is the case, follow all steps under the "Placing
the System in Service" section, starting on page 11.
7.
Record the system air pressure at which the low-air
alarm activates.
8.
Close the system main drain valve.
9.
Open the fast-fill ball valve on the air maintenance
device. Bring the pressure back up to normal system pres-
sure.
9a.
When the system reaches a minimum of 13 psi (90
kPa), close the fast-fill ball valve on the air maintenance
device.
9b.
Open the slow-fill ball valve on the air maintenance
device.
Water Supply's
Main Control
Valve
System Main
Drain Valve
System Main
Drain Valve
Fast-Fill
Ball Valve
Fast-Fill
Ball Valve
Slow-Fill
Ball Valve
DISCONTINUED
PRODUCT
