Johnson Pump FlowMaster WPS 5.0 Manual De Instrucciones página 10

Typical installation of the Flowmaster re-
quires between 1- hours.
For plumbing the pump to rigid (polybu-
tylene or PEX) tubing, a flexible connec-
tor hose is strongly recommended for the
pressure side. If the Flowmaster pump is
mounted at a different location than the old
pump, flexible connector hoses will be re-
quired on both the inlet and outlet side. A
screen filter should always be used between
the boat water tank and the pump.
Typical applications
The Flow Master 5.0 is a five chamber posi-
tive displacement diaphragm pump that is
an ideal choice for pressurizing water in a
closed system such as that found in a boat
or Recreational Vehicle (RV). The digital
controller adjusts water flow as the demand
is increased and decreased while maintain-
ing a very smooth flow. The unique variable
flow feature of the Flow Master pump al-
lows the pump to be mounted without an
accumulator tank and still maintain an even
flow regardless if one or multiple taps are
being used.
Features
• Variable speed
• Quiet operation
• Smooth flowing
• Self priming
• Digital controller turns pump on and off
automatically when tap is opened and
closed
• Dry running without damage
• Low power consumption
• Quick disconnect fittings
Working principle
When water is demanded (at the faucet,
shower etc.) the pressure decreases. After
a slight drop in pressure (below 50 psi) the
integrated digital controller automatically
soft starts the pump on to maintain the re-
quired pressure. As more water is demand-
ed the controller detects a drop in pressure
and automatically increases the motor
speed, increasing the flow volume. As de-
mand is reduced the digital control reduces
motor speed until the pressure reaches 50
psi at which point the pump is automati-
10
cally turned off.
Due to their durable construction and
thoughtful design, the Flow Master 5.0 pro-
vides many years of service.
Important! The pressure setting of this
pump is made at the factory. Warranty is in-
validated by pressure switch interference.
Technical description
Body:
Nylon/Polypropylene
Valve Housing:Polypropylene
Valves:
Santoprene/EPDM
diaphragm: Santoprene
connection: 3/8" BSP, ½" hose
(ø 13 mm) and ½" BSP,
¾" hose (ø 18 mm)
US 3/8" NPT, ½" hose
(ø 13 mm)
US ½" NPT, ¾" hose
(ø 18 mm)
US ½" – 14 NPS
½" CTS PEX fitting
Max. Liquid
temperature: Max +50°C/+10°F
Fasteners: Stainless Steel
Max.
Suction lift: .5 m/8. FT.
Turn off
pressure:
3.45 bar/50 PSI
duty cycle: Intermittent, Max 0 min.
Motor: WPS 5.0 – 150 W
1 or 4 V DC
with built in thermal
protection
The motor is ignition protected according
to ISO 8846 (Small craft – Electrical devices
– Protection against ignition of surrounding
flammable gases).
Installation and maintenance
Installation
Locate the pump in a dry location. If the
pump is mounted vertically, the motor shall
face up.
Mark screw positions and drill pilot holes.
Mount the pump using stainless steel screws
taking care not to over compress the vibra-
tion damping rubber feet.
Reinforced, high pressure flexible tubing is
recommended. If rigid pipe is used, a length
(5 mm/9 inches minimum), 36" on each