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Carefully read and follow all safety instructions in this manual
or on system.
This is the safety alert symbol. When you see this symbol
on your pump or in this manual, look for one of the following
signal words and be alert to the potential for personal injury!
DANGER warns about hazards that will cause seri-
ous personal injury, death or major property damage if ignored.
WARNING warns about hazards that can cause
serious personal injury, death or major property damage if ignored.
CAUTION warns about hazards that will or can
cause minor personal injury or property damage if ignored.
The word NOTICE indicates special instructions which are important
but not related to hazards.
Keep safety labels in good condition.
Replace missing or damaged safety labels.
1. Read this manual carefully. Failure to follow these Instructions
could cause serious bodily injury and/or property damage.
2. Consult installer or licensed plumber for correct relief valve. Install
system according to local codes.
3. Always test water from well for purity before using. Check local
health department for testing procedure.
4. Before installing or servicing tank, BE SURE pump electric power
source is disconnected. Release all water pressure before work-
ing on tank or system. Release air pressure before removing
cover flange.
5. Install relief valve in pump supply line to tank, as close to tank as
possible.
6. BE SURE pump electrical circuit is properly grounded.
7. Remove bleeder orifices, air volume controls or other air charging
devices in existing system.
8. DO NOT USE any well tank as a surge suppressor.
Hazardous pressure. To prevent possible
serious or fatal injury and/or damage to equipment, system
pressure must be less than 100 pounds per square inch (PSI)
(689kPa) under any circumstances. Failure to follow instruc-
tion can result in tank blowup. If system discharge pressure
can exceed 100 PSI (689kPa), install a relief valve capable of
passing the full pump volume at 100 PSI (689kPa).
Do not allow pump, tank, or piping system to
freeze. Freezing can severely damage equipment and may
lead to tank explosion and serious injury. Allowing tank to
freeze voids tank warranty.
GENERAL INFORMATION
Tanks are factory pre-charged with air to 20 pounds per square inch
(PSI) (138kPa). When installing tank, adjust pre-charge to 2 PSI
(14kPa) below pump ON pressure setting. To do this, bleed or add
air from valve on top of tank.
NOTICE: Always set pre-charge with NO WATER in tank.
Check pressure frequently with tire gauge until correct pressure has
been reached. (Chart I).
Maximum
Catalog
Capacity
Number
US Gals (L)
FP7300
2 (8)
FP7305
5 (19)
FP7310
6 (23)
* Length overall; this model is a horizontal tank.
RULES FOR SAFE INSTALLATION AND OPERATION
PRODUCT INFORMATION - PRE-CHARGED TANKS
Equivalent
to Standard Tank
20-40 PSI
US Gals (L)
(138-276kPa)
6 (23)
.7 (2.6)
12 (46)
1.7 (6.5)
15 (57)
2.1 (7.8)
CHART I
Pressure Switch Setting
20-40 PSI (138-276kPa)
30-50 PSI (207-345kPa)
NOTICE: Replace and tighten air valve cap if removed. Failure to
replace air cap may allow loss of air pressure and lead to tank
waterlogging and bladder failure.
Pre-charged storage tanks can be connected together to increase
supply of usable water (drawdown). Two tanks of same size will
double supply, three will triple supply, (Fig. 1).
NOTICE: FP7300 and FP7305 tanks are designed to be supported
by system piping, either directly above pump or in a convenient
location in piping system, as close to pump as possible.
From
Well
Figure 1
OPERATING CYCLE (
1. Tank nearly empty – air expands filling area above bladder (Fig. A).
2. Water enters tank – air is compressed above bladder as it fills
with water (Fig. B).
3. Pump-up cycle completed – air compressed to OFF setting of
pressure switch (Fig. C).
4. Water drawn from tank – compressed tank air forces water out of
bladder (Fig. D).
5. Bladder empty – new cycle ready to begin (Fig. A).
A
Figure 2
Drawdown - Gals (L)
30-50 PSI
40-60 PSI
(207-345kPa)
(276-414kPa)
.6 (2.2)
Do Not Use
1.5 (5.6)
Do Not Use
1.8 (6.7)
Do Not Use
2
Tank Precharge PSI
18 (124kPa)
28 (193kPa)
Tanks
Pressure switch
1816 0595
Figure 2)
B
C
Tank
Tank
Diameter
Height
(mm)
(mm)
9" (228)
12" (305)
11" (279)
16" (406)
11" (279)
*18" (457)
To service
piping
D
908 0993C
Tank
Discharge
Tapping
3/4"
3/4"
3/4"
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