Davey SUPERCELL 60F, 80F, 100F, 130F, 200F, & 250F PRESSURE TANKS - Manual (Page 3)

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Tank Pre-Charge
For correct operation pressure tanks should be pre-charged as follows:
• Pressure switch controlled pumps with differential pressure set at 140 kPa (20
psi), pre-charge the tank to 15kPa (2 psi) below the cut in pressure.
• For pumps controlled by pressure switches with higher differential pressures,
electronic controls or variable speed controls, pre-charge the tank to 65% of
the maximum system pressure.
• Pressure tanks installed on main pressure, pre-charge should be set at the
mains pressure.
• For hot water expansion, pre-charge should be set at the mains pressure.
For your convenience, this pressure tank has been factory set at 140 kPa (20 psi).
Installation
These units have the inlet positioned on the bottom of the tank. Ensure that any
fittings used firmly retain the pipe or hose connected. Thread tape should be
used on all threads.
The tank should be placed on a firm base. If vibration is likely to occur in the
vicinity the tank should be mounted on a resilient mount.
In order to ensure your tank provides its maximum service life it should always
be installed in a covered, dry position. The tank should not be allowed to rub
against any surrounding hard surfaces, such as walls, etc.
NOTE: To avoid possible water damage to property from ruptured
pipes, leaking connections, worn/leaking pump seals, etc., pumps and
associated equipment (including this Supercell Pressure Tank) must be
installed on a well drained site or in a properly constructed water proof
enclosure with drain tray.
CAUTION: Never over-charge the tank and use air at
ambient temperature only!
Nominal Draw Off Capacity in Litres
Dimensions
Tank Model
Tank
Capacity (litres)
Max
Pressure Rating (kPa)
Pressure Switch Range kPa (psi)
Diameter
(mm)
Height (mm)
Inlet
150-250 (22-36)
150-300 (22-44)
200-400 (29-58)
250-400 (36-58)
250-500 (36-73)
300-600 (44-88)
500-800 (73-116)
Size
(BSP male)
Position
Super
cell 60F
60
860
16.1
21.2
22.8
17.2
23.9
24.8
26.6
421
649
1”
Bottom
Super
cell 80F
80
860
21.5
28.2
30.4
23.0
31.9
28.7
35.5
421
865
1”
Bottom
Super
cell 100F
100
860
26.3
34.5
37.3
28.3
39.3
41.3
44.3
421
980
1”
Bottom
Super
cell 130F
170
860
34.9
45.8
49.4
37.3
51.8
53.6
42.3
421
1211
1”
Bottom
Super
cell 200F
200
860
53.7
70.5
76.0
57.4
79.8
82.5
65.0
546
1098
1 1
/ 4
”
Bottom
Super
cell 250F
250
860
67.1
88.1
95.0
71.8
99.7
103.1
81.3
546
1303
1 1
/ 4
”
Bottom
Note: When installing a Supercell Tank and/or associated pump system
inside a building, allowance for possible high pressure leakage MUST be
made.
Note: In order to carry out routine maintenance the Supercell Pressure
Tank MUST be easily accessible to the end user or home owner.
I Installation Inside Buildings: To cater for possible plumbing or tank failure,
the installation must include an enclosure that will capture any water
spraying from the tank and direct it into a properly constructed drain tray.