onga LTP400 Manuale utente
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Pool Pumps
Owner’s Manual
An earth leakage or residual current
protection device must be fitted to all installations.
Should you the installer or owner be unfamiliar with the cor-
rect installation or operation of this type of equipment you
should contact the distributor/manufacturer for the correct
advice before proceeding with the installation or operation
of the product.
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Relax - you’ve bought an Onga ...
Congratulations on your decision to purchase an Onga
product. Onga is one of the best known companies in its
field, with a proud local and international reputation.
In fact, wherever people need to move water from one point to
another - whether in leisure industry, horticulture, agriculture or in
and around the home - Onga is a byword for reliability, value for
money and technological innovation. So why does Onga lead its
field? Here are a few simple reasons ...
1. Continual Product Improvement
Onga employ the best engineers both in Australia and around the
world to develop new and better ways to pump and handle water.
2. Dedication to Quality
There is only one standard that we at Onga set ourselves for both
product quality and the quality of our service. That standard is
excellence ... to have no-one better than us at what we do ... nothing
short of that is acceptable.
3. A Fair Price
Onga products are neither the cheapest nor the most expensive in
their field. Our products do, on the other hand, always represent
very good value for money - they always have and they always will.
4. Our Team of Dealers
We believe Onga’s hand picked authorised dealer network through-
outAustralia and worldwide are second to none. We invest a huge
sum training them and supporting them. They are your link to us,
and we value their expertise and trust.
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Models LTP400, LTP550, LTP750, LTP1100
The Leisure Time range of pool pumps are ideal for domestic swimming pool and
spa applications. They offer unique corrosion protection with double zinc coated
cast iron endshield mounted on a non-corrosive base. The Leisure Time pool
pumps have been designed to provide performance at a realistic cost.
IMPORTANT!
The operator must be provided with this owner’s manual. This must be read
before operation and followed during operation.
These instructions are a guide only. Users not familiar with pool equipment
should seek advice from suitably qualified persons with experience in pool
equipmentinstallation.
(½hp) (¾hp) (1hp) (1½hp)
Technical Data
Inlet
ABS Barrel union to suit 40mm PVC pipe internal
ABS Barrel union to suit 50mm PVC Socket external
Outlet
ABS Barrel union to suit 40mm PVC pipe internal
ABS Barrel union to suit 50mm PVC Socket external
Max. Pump Pressure 195 kPa
Max. Working Pressure 270 kPa
Water Temperature Range 5 – 700C
Max Ambient Temperature 550C
IP Rating IP55
Electrical Rating 240 Volt single phase are supplied as standard
with built in thermal overload protection and
are designed to plug directly into a 10 amp
domestic power supply to local electrical
authority specifications.
Optimal pH Range 7.2 - 7.8 (Guide Only)
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The fittings on these pool pumps are constructed ofABS. Some PVC jointing
compounds are incompatible withABS possibly causing failure to the product.
Check compound suitability prior to use.
All glued fittings and pipe work should be allowed to dry to atmosphere for 24
hours before closing installation. Failure to do so could cause injury or instal-
lation failure.
Barrel Unions are to be hand tightened ONLY, to prevent damage occurring
from over-tightening.
Pump Mounting should be:
INSTALLATION
1) Pump position must be: Solid - Level - Rigid - Vibration Free
2) Allow pump suction inlet height to be as close to water level as possible.
3) Allow for use of a piece of short, straight suction pipe into the suction port
of the pump (minimum length for 40mm diameter suction = 160mm; 50mm
diameter suction = 200mm) in order to minimise water turbulence entering
the pump.
!!
!!
!XXXX
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4) Allow for control valves in suction and discharge piping. (Essential if pump
is mounted below water level).
5) Have adequate floor drainage to prevent pump being immersed in water due
to flooding.
6) Protect from excess moisture, vermin, dust and weather.
7) Allow access for servicing pump and piping.
8) To provide adequate ventilation keep rear of motor clear (100mm Min)
9) Do not use electrical extension cords/leads.
NEVERrunpumpdry!Runningpumpdrymaydamage
seals, causing leakage and flooding! Fill pump with
water before starting motor.
Electrical Operation
240voltsinglephasearesuppliedasstandardwithbuilt-
inthermal overloadprotection andaredesigned toplug
direct into a 10 amp domestic power supply socket to
local electrical authority specifications. Onga recom-
mendsthatanearthleakage/residualcurrentprotection
device must be fitted to all installations.
OPERATION
INSTALLATION (Continued)
Do not block pump suction! To do so with body
may cause severe or fatal injury. Small children
using pool must ALWAYS have close adult
supervision!
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OPERATION (Continued)
PrimingPump:
a) Inafloodedsuctionsystem(watersourcehigherthanpump),thepumpwill
fill itself with water when suction and discharge valves are opened. Water
will be at the top of the hair and lint pot lid.
b) If pump is not in a flooded suction system, unscrew and remove hair and
lint pot lid; fill pot (casing & bowl assembly) with water.
c) Clean,inspectandlubricate'O'Ring;reinstall‘O’ringontobowlassembly.
d) Replace lid onto bowl assembly; turn clockwise to tighten lid.
Tighten lid by hand only (no wrenches)!
Do not run pump dry or damage will occur and
may void warranty.
Start-up Procedure:
1) Release all air from filter and piping system: see filter owner's manual.
2) Turn pump “ON” at power point or controller.
3) Pump should prime now. Priming time will depend on vertical length of
suction lift and horizontal length of suction piping.
If pump does not prime within a few minutes, make sure that all valves are
open, suction pipe end is under water and that there are no leaks in suction
pipe.Ensure the skimmerbasket onpool isclean andfree ofdebris. Repeat
stepa)-d)underthesectionPrimingPump.Ifthepumpstilldoes notprime
nonreturn valves mayberequired referto placeofpurchase for assistance.
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SERVICE & MAINTENANCE
If waterisseentobeleakingfromdirectlyunderneathmotor
andcasing, havepumpservicedimmediately.Thisindicatesaleakingmechanical
seal. Failure to fix this may result in premature product failure.
NOTE: Ongarecommendtheuseof siliconbasedlubricanton all‘O’rings.
The only routine maintenance needed is inspection/cleaning of leaf basket. Debris or
trash that collects in basket will choke off water flow through the pump. Follow
instructions below to clean leaf basket:
1. Stop pump, disconnect from power, close gate valve in suction and discharge.
2. Unscrew lid (turn counter clockwise). If necessary, undo drain plug to reduce lid
vacuum. Do not hit the lid with a hammer or similar tool. If the lid is still too tight use
a lever such as a board or long screwdriver between lugs on lid.
3.Removeleafbasketandclean.Besureallholesinbasketareclear,flushbasketwith
water and replace in bowl assembly with large opening at pipe connection port
(between ribs provided). If basket is replaced backwards the lid will not fit into bowl
assembly.
4. Inspect, check and lubricate lid 'O' Ring; reinstall onto bowl assembly.
5. Clean 'O' Ring groove on bowl assembly and replace lid. To help keep lid from
sticking, (tighten hand tight only no wrenches!).
6. Prime Pump (see priming instructions)
NOTE:Failuretocarryoutroutinemaintenancemayreducepumpperformance
and void warranty.
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REMOVAL OF PUMP FOR SERVICING
Switch off power and remove plug from power point, if the pump is hard wired into
any other controls such as time clocks or automatic heads etc., THE WIRING
SHOULD BE REMOVED BYAQUALIFIED ELECTRICIAN.
Close control valves and undo barrel unions from suction and discharge lines.
Remove pump and take to your nearest authorised Onga service agent or call:
1800 664 266 (Australia)
0800 664 269 (New Zealand)
If the need arises to contact an Onga service agent please have all details avail-
able including model and serial number, date of purchase and particulars of
fault.
If service parts are required please quote Model Number and Type of pump
as shown on the label of the pump.
Item
No. Description Qty. Item
No. Description Qty.
1 Motor 1
9 Basket - Strainer 1
2 Baffle 1
10 O’ring - Lid 1
3a Mechanical Seal 1 11 Lid & O’ring Assy. 1
3b O’ring – Casing 1 12 Clacker Assembly 1
3c Shaft Sleeve & O’ring 1 13 O’ring – Barrel Union 2
4 Diffuser 1
14 Barrel Union Assy. 1
5 Impeller 1
15 Barrel Union Complete 1
6 Casing & Bowl Assy. 1 16 / 17 Bolts & Nuts 4
7 Plug – Drain 1 18 Base & Screws 1
8 Finger Guard 1
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TROUBLE SHOOTING GUIDE
- Should problems persist please contact your nearest Onga service agent.
Symptom Cause Remedy
Pump Does Not Run
Pump operates with reduced
or no flow
Pump leaking from between
the casing and the motor
No Power at the power outlet
Blown Fuse
Automatic Thermal Overload
has tripped to protect the motor
Pump is jammed (check if shaft
is free to rotate)
Motor burnt out due to voltage
spike or flooded by water
Valves turned to the closed
position
Dirty Filter
Air ingress to system
Lack of water
Debris in the pump or skimmer
box
Note: Do not operate pump
without hair & lint pot or
skimmer basket fitted correctly
Casing bolts are not tightened
Casing ‘O’ring is worn
Mechanical Seal needs
replacing
Use another electrical appliance
that is known to work to check the
power point.
Check Fuse and replace if
necessary
Switch the power to the pump off
and allow the motor to cool before
switching back on.
Ensure that the pump and motor
have adequate ventilation in the
area surrounding the pump.
Ensure that the pump is not
jammed with debris and that the
motor shaft spins freely.
The motor may be operating on a
low voltage supply.
Blockage in the pump or suction
strainer.
Motor bearings may be seized.
The motor may need replacing.
Check the plumbing to ensure the
valves are in the correct position
for filtering, including any valves
on the suction or discharge of the
pump.
Clean the filter (refer to the
documentation supplied with your
filter).
Re-prime the pump (refer to
priming procedure).
Check that there are no air leaks in
the suction piping or fittings.
Ensure the hair & lint pot lid is
closed and airtight.
Check there are no leaks coming
from beneath the pump and casing.
Ensure the water level in your pool
is at least up to the halfway mark
at the skimmer opening.
Ensure that both the hair & lint pot
basket and skimmer basket are free
of leaves and other debris.
Ensure that there is no blockage at
the pumps suction or discharge.
Ensure that the pump internals are
free of foreign matter which may
block the flow of water.
Switch off pump and loosen the
casing bolts. Check alignment and
condition of casing ‘O’ring before
re-tightening. Replace the ‘O’ring
if leaking persists.
Replace the mechanical seal and
lip seal if fitted.
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