-3-
ELECTROCUTION HAZARD. DISCONNECT
ALL
ELECTRICAL
POWER
BEFORE
SERVICING. THE PRODUCT MUST BE ELECTRICALLY
GROUNDED. DO NOT INSTALL ON ELECTRICAL SERVICE RATED
ABOVE 20 AMPS.
WIRING THE DIGITAL CONTROL
1.
Provide a dedicated, 115VAC / 20A circuit.
2.
Shut circuit breaker off and verify power is disconnected.
3.
Loosen screw and remove junction box access cover.
4.
Route wiring through conduit hole, using proper connector.
5.
Connect wiring as shown in Figure 2, using wire nuts.
6.
Reinstall the access cover and proceed to the "START-UP"
section before restoring power.
START-UP
BEFORE CONTINUING, ENSURE THAT ALL
WIRING IS COMPLETED AND THE UNIT IS
GROUNDED. CHECK FOR OPEN DRAIN VALVES OR OTHER
SOURCES OF FLOODING BEFORE STARTING UNIT.
1. Prime pump if necessary and adjust tank precharge to
manufacturer’s recommendation for intended pressure range.
The factory control setting is 40 psi cut-in and 60 psi cut-out.
2. Turn on power and ensure digital display illuminates.
Display will blink momentarily and the pump will start. If not,
check installation.
3. The display will now read the current water pressure.
4. Allow the pump to reach the factory cut-off setting of 60 psi.
IF THE PUMP CANNOT REACH THIS SETTING, DISCONNECT
POWER AND SEE “PROGRAMMING THE DIGITAL CONTROL”.
5. Check for leaks and repair as necessary.
PROGRAMMING THE DIGITAL CONTROL
This unit is factory programmed to turn the pump on (cut-in)
at a pressure of 40 psi and turn the pump off (cut-out) when
the pressure reaches 60 psi. The pump is capable of adding
approximately 40 psi to the incoming water supply pressure.
Therefore, if the incoming water pressure is below 20 psi, the
cut-in and cut-out settings require tank precharge adjustment.
Municipal Supply
Flow Pressure
Cut-In
Setting
Cut-Out
Setting
Tank
Precharge
10 psi
30 psi
50 psi
28 psi
15 psi
35 psi
55 psi
33 psi
20 psi
40 psi*
60 psi*
38 psi*
*Factory default setting
1
. Press and hold
. When
LO
appears, release. This will determine
the pressure at which the pump activates.
2
. When number appears, tap
or
to change cut-in setting.
3
. Press
again. When
HI
appears, tap
or
to change cut-
out setting. This will determine the pressure at which the pump
shuts off.
4
. Press
a third time. The last Error Code in memory will display
(see Error Code table in Troubleshooting section). If no errors
have occurred, the display will show
- -
5
. After approximately 10 seconds
Pr
will appear, indicating the
settings are programmed. Display will then revert to the current
water pressure.
NOTE:
The settings will now be stored until changed manually,
even in the event of power failure.
NOTE:
If pump cannot reach cut-out setting within 5 minutes with
no water running, lower the pressure settings in 5 psi increments
to fall within the pump’s pressure capabilities.
PRECHARGE ADJUSTMENT PROCEDURE
Adjust the tank air precharge only at time of
the digital control cut-in setting initial
installation. Water pressure must be relieved to adjust precharge.
1. Ensure power is off and drain unit to relieve all water pressure.
2. Remove protective air valve cap.
3. Release or add air as necessary to make the pre-charge
pressure 2 psig below the pressure switch pump cut-in setting.
4. Replace protective air valve cap.
OPERATION
ENSURE THE SWITCH IS OPERATING PROPERLY. AFTER
MAKING ANY ADJUSTMENTS, OBSERVE AT LEAST ONE PUMP
CYCLE TO VERIFY PROPER PUMP SHUT-OFF.
Please contact Water Worker Technical Support at
844.DIY.TANK
if further assistance is required.
Winterizing:
To drain, disconnect the pump from power and open
a faucet to bleed off water pressure. Lay the tank on its side to
disconnect the piping between the pump and tank to completely
drain the unit. Ensure exposed piping connected to unit is
also drained.
DO
NOT
ADJUST
PRESSURE
OR
RE-PRESSURIZE THIS PRODUCT EXCEPT
FOR ANY ADJUSTMENTS MADE AT THE TIME OF INITIAL
INSTALLATION WHEN THE UNIT IS NEW. RE-PRESSURIZATION
OF A WEAKENED, DAMAGED, OR CORRODED UNIT CAN CAUSE
AN EXPLOSION, POSSIBLY CAUSING SERIOUS OR FATAL
PERSONAL INJURY AND/OR PROPERTY DAMAGE.
If pressure adjustments are necessary because of changes in inlet
pressure, check the condition of the unit first to make sure there
is no corrosion of the tank or any connected lines or fittings. Take
appropriate precautions. Never adjust the pressure if water is
leaking from the air stem. Replace any damaged or corroded tank.
Also, air loss is an indication that damage, corrosion or weakening
of the unit may have occurred and it should not be re-pressurized.
MAINTENANCE
This unit, including the pump, must be periodically inspected by
an experienced professional for signs of damage, corrosion and
leaking. The pump should be checked to ensure it is turning on
and off at the appropriate cut-in and cut-out points. At a minimum,
after installation, a thorough inspection of all components should
take place annually. However, note that units in settings with
frequent use, where corrosion, high humidity or aggressive water
is more likely to occur, and as the unit ages, should be inspected
more frequently.
Figure 2
Factory Wiring
(Blue & Stripe)
Digital Control
Junction Box
Pump Motor
White (Neutral)
Black (Hot)
115VAC
Line Voltage
Supply
