Everbilt EFSUB5-122HD - Connecting to the Tank;Water System

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Installation (continued)
CONNECTI
NG TO THE TANK/WATER SYSTEM
WARNING: Risk of hazardous pressure. Submersible pumps can develop very high pressure in some situations. To prevent tank blowup,
install a pressure relief valve able to pass full pump flow at 75 PSI (517kPa) when using an air over water pressure tank. Install a pressure
relief valve capab
le of passing entire pump flow at 100 PSI (690 kPa) when using a pre-charged pressure tank. Install this relief valve
between the pump and tank.
WARNING: Pipe joint compound can cause cracking in plastics. Use only Teflon tape on joints in plastic pipe.
NOTICE: Allowing the pump or pi
ping system to freeze may severely damage the pump and will void the warranty. Protect the pump and entire
piping system (including pressure
tank) from freezing.
PRE-CHARGED PRESSURE TA
NK HOOKUP
This diagram shows a typical submersible installation with a pre-charged tank installation:
NOTICE: Two-wire moto
rs do not use a control box. Run the motor wire from the pressure switch directly to the motor. See the Wiring instructions in
this manua
l.
NOTICE: Chec
k air pre-charge in the tank before starting the pump. Adjust the pre-charge to 2 PSI below the pump cut-in setting. (For example, a
pre-c
harge tank used with a 30-50 switch should be pre- charged with air to 28 PSI. Adjust the pre-charge by either adding or bleeding air through the
tire valv
e located on top of the tank. Check pre-charge annually and adjust as needed.
Te
mporary wiring
to control center or
electrical disconnect box
Control center
or
electrical
disconnect box
Pump in well
Gate valve
Temporary piping
Pump installation for
developing a well