Models 7180 and 7380
Owner’s Manual
and Installation Guide
5/22/2019
7
Installation Steps and Start-Up Procedures, Cont.
Step 2
Turn Off Water Supply
A.
Turn off the water supply.
B.
Open the hot and cold water taps to depressurize the lines.
Step 3
Connect Water Lines
A.
Remove the valve cover.
B.
Remove any packaging or installation materials from the
brine cabinet.
C.
For 3/4-inch installation, attach the 3/4-inch water lines to
the appliance using flexible connector and sealing
washers provided. (See Figure 2.)
D.
Connect the other end of the flexible connectors to your
pipework using suitable 3/4-inch BSP adaptors
(not supplied).
E.
For 1-inch installation, connect directly to the inlet and
outlet connections using a 1-inch compression female
iron to copper adaptor.
Caution:
Do NOT use soldered fittings within 450 mm.
F.
Use the fibre sealing washers provided only. Do NOT
use PTFE tape or similar direction.
Caution:
Do NOT plumb your appliance in backward.
G.
Check the arrows on the valve to ensure that the water
flows in the proper direction.
Step 4
Connect Gravity Overflow Elbow
The overflow line drains away excess water should the tank
fill with too much water or the appliance malfunction.
A.
Attach the overflow elbow and check that it is in the
down position. (See Figure 3.)
B.
Connect 1/2-inch I.D. tubing (size cannot be reduced)
between the gravity overflow elbow and a floor drain or
safe discharge point. Ensure that the overflow line ends
at a drain or safe discharge point that is at least 3 inches
(80 mm) lower than the bottom of the overflow elbow.
Maintain a minimum of 2-inch (50-mm) air gap.
The gravity line cannot be run overhead.
Figure 2: Connect Water Lines
Figure 3: Gravity Overflow Elbow
Gravity Overflow
Elbow
