Aerus Origins WC300, Operation Manual

Page: 13 / 68

13
Drain Line Connection
Note: Standard commercial practices are expressed here.
Local codes may require changes to the following suggestions.
Check with local authorities before installing a water
conditioning system.
1. The unit should be above and not more than 20 feet (6.1 m)
from the drain. Use an appropriate adapter fitting to connect
1/2-inch (1.3 cm) plastic tubing to the drain line connection
of the control valve.
2. If the backwash flow rate exceeds 5 gpm (22.7 Lpm) or if
the unit is located 20-40 feet (6.1 – 12.2 m) from drain, use
3/4-inch (1.9 cm) tubing. Use appropriate fittings to connect
the 3/4-inch tubing to the 3/4-inch NPT drain connection on
valve.
3. The drain line may be elevated up to 6 feet (1.8 m) provided
the run does not exceed 15 feet (4.6 m) and water pressure
at the conditioner is not less than 40 psi (2.76 bar). Elevation
can increase by 2 feet (61 cm) for each additional 10-psi (.69
bar) of water pressure at the drain connector.
4. When the drain line is elevated but empties into a drain
below the level of the control valve, form a 7-inch (18 cm)
loop at the far end of the line so that the bottom of the loop
is level with the drain line connection. This will provide an
adequate siphon trap. Tie or wire the hose in place at the
drain point. Also provide an air gap of at least 1-1/2 inch
between the end of the hose and the drain point.
5. When the drain empties into an overhead sewer line, a sink-
type trap must be used.
6. Secure the end of the drain line to prevent it from moving.
Figure 11 Drain Line Connection
WARNING: Never insert drain line directly
into a drain, sewer line or trap (Figure 11).
Always allow an air gap between the drain line
and the wastewater to prevent the possibility
of sewage being back-siphoned into the
conditioner.
Regenerant Line Connections
The regenerant line from the tank connects to the valve. Make the
connections and hand tighten. Be sure that the regenerant line
is secure and free from air leaks. Even a small leak may cause
the regenerant line to drain out, and the conditioner will not draw
regenerant from the tank. This may also introduce air into the
valve causing problems with valve operation.
Ensure that pipe sealant (plumber tape) is applied to the 3/8-inch
NPT regenerant line connection.
Figure 12
To install the line:
1. Insert one end of the tubing into the elbow on the valve.
2. Hand tighten the nut until tight.
3. Inside the salt tank, remove the cap from the large cylinder to
gain access to the connection.
4. Be sure the brass insert is in the end of the brine tubing.
Insert the tubing through the opening in the tank.
5. Push the tubing into the plastic nut. Slowly unscrew the nut
until the tubing moves into the connection. The tubing will hit
bottom.
Figure 13
Air Gap
Drain
Regenerant Line Connection