10
PRIMING THE IRRIGATION PUMP
START-UP (continued)
Access the reservoir (Fig. 1)
1
If present, remove any grow trays from the bottom drawer(s)
2
Slide out drawer(s) to access the reservoir
Fill reservoir
1
Make sure the unit has been connected to the water and
power according to local codes
2
From the HOME screen, press SET UP, SET RESERVOIR,
AUTO ON, FILL
3
Wait until the reservoir is full with water. Monitor the filling of
the reservoir to assure proper fill.
Fig. 1
Fig. 2
Fig. 5 Zone irrigation
nozzle
Irrigation
pump
Circulation
pump
Priming
1
Access the priming valve near the circulation pump. It should
be in the OPEN position
and water should be flowing downwards
into the reservoir
2
From the HOME screen, select ZONE 8 if you have a GC42,
ZONE 4 if you have a GC41, ZONE 2 if you have a GC12 or
ZONE 1 if you have a GC11 (
A
). In each case this will be the
growing zone that is directly above the pumps. Press WATER
NOW
(
B
).
3
Open (1/4 clockwise turn) and wait for steady stream of water
to come out of the priming valve (Fig 3); once you have a steady
stream of water, close the valve (Fig 4).
4
Water should now be flowing steadily from the irrigation nozzle
in the zone selected in step
2
(Fig. 5). Press WATER NOW (
B
) `
to turn off the watering cycle for that zone. Leave the priming
valve in the CLOSED position.
Your pump is now primed.
Fig. 4
Priming valve
in CLOSED
position
Fig. 3
Priming valve
in OPEN
position
