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LF Plus Series Demand Pumps
Specifications
Pump Design
Reciprocating Diaphragm
Maximum Flow Rate
1.0 GPM (3.78 LPM) Nominal
@ open flow
Duty Cycle
Intermittent
Housing Material
Polyproylene
Diaphragm Elastomer
Santoprene®
Check Valve Materials
EPDM or Viton®
Check Valve Spring
316 Stainless Steel
Port Type
Quick Disconnect -Small Port*
Operating Pressure
40 PSI (2.75 Bar) Max.
Pressure Switch Setting
35 PSI (2.4 Bar) Off or
40 PSI (2.75 Bar) Off
Self Priming
Up to 6ft. (1.8m)
Liquid Temperature
110° F (43° C) Maximum
Motor Type
Permanent Magnet Motor
Motor Voltage
12 VDC, 24 VDC, 115 VAC
Weight
1.25 lbs. (.05 Kg)
*Accessories on page 4
WARNING: EXPLOSION HAZARD
Only used with specified products.
DO NOT PUMP LIQUIDS WITH A FLASH
POINT BELOW 100°F (37.8°C) OR USE WHERE FLAMMABLE
VAPORS ARE PRESENT. DOING SO MAY RESULT IN EXPLOSION
WHICH COULD CAUSE PERSONAL INJURY, DEATH OR
PROPERTY DAMAGE.
Installation/Mounting
Remove shipping caps from pump ports. Some water from factory
testing may spill out. Mount pump vertically, with pump head
down or horizontally in an accessible location. Do not compress
feet with mounting screws.
HORIZONTAL
TYPICAL VERTICAL
Plumbing
Use 3/8" I.D. flexible hose (preferably braided or reinforced). Use
hose clamps on the slip-on hose barb connectors.
CAUTION: Install a Flojet inlet 40 mesh strainer
in an accessible location (for inspection and cleaning)
between the supply tank and pump inlet. This
strainer or equivalent is required for pump warranty
to be valid.
Electrical
Refer to pump label for fuse size to install in positive line.
12/24 VDC
Black − Ground (—)
Red − Positive (+)
115 VAC
Green/Yellow − Ground
White − Neutral
Black − Live or Common
Operation
Flojet LF Plus series demand pumps automatically turn on when a
valve is opened and turn off when all valve are closed.
When starting up a demand pump with a completely dry system
allow time for the demand pump to fill the system.
Open a valve, allow air to vent and close faucet when water flow is
steady. Inline strainers and aerators should be cleaned regularly.
NOTE: DO NOT
SUBMERGE
2
CAUTION: Wire size based on total wire length,
both positive and negative leads.
0-30 ft. (0-9 m)
30-60 ft. (9-18 m)
60-80 ft. (18-24 m)
WARNING: ELECTROCUTION HAZARD
To reduce the risk of electric shock, mount
pump inside a fully enclosed area. Any
other use not recommended by manufacturer may cause fire,
electric shock, injury to person or death. Do not handle this
pump unless power is disconnected.
It is recommended that this unit be installed by a qualified
NOTICE:
END OF LIFE PRODUCT DISPOSAL.
Handle and dispose of all waste in compliance with
local laws and regulations.
WARNING: Do not modify or alter the pump in
any way as this could lead to a fire hazard resulting
in property damage, severe personal injury and/
or death.
WARNING: Do not use pump if it presents
some damage such as broken port clips, burned or
broken pressure switch, exposed electric wire and/
or contacts.
#16 AWG
#14 AWG
#12 AWG
electrician.
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