Laing Ecocirc E1 Series Instrucciones de instalación
E Series Model/ Nomenclature Matrix
E1, E3, E5, E10, or E14 - N C H R 1 W xx
Model 1st 2nd 3rd 4th 5th 6th 7th (Sufx position)
Family
Position Sufx Attribute
1st B Pump Housing is bronze or brass
N Pump Housing is Noryl, Luranyl, or Ultramid. Wetted metal parts are 316 Stainless
S Pump Housing is Stainless
T Pump Housing is Noryl, Luranyl, or Ultramid. Wetted metal parts are Titanium
H Pump Housing is Cast Iron
2nd C Center Discharge
S Side Discharge
3rd H Hose Connection
T Threaded Connection
S Sweat Connection
F Flanged Connection
4th V Variable Control
P PWM Control
A 1-5 volts Analog Control
C Temperature Control Fixed
R Temperature Control Adjustable
F Flow Control
N Fixed No Control
T Timer Control
S Self Regulates Pressure Control
5th 1 110-120 Volts AC
2 208-240 Volts AC
3 100-240 Volts AC
6th W With Cord
Blank No Cord
7th xx two digit sufx numbers changes with minor mechanical variations pump construction
Installation & Operating Manual
Please read this manual carefully before attempting to install, operate or maintain the product described. Failure to
comply with the information provided in this manual could result in personal injury and/or property damage. Retain this
manual for future reference.
Description
Laing centrifugal pumps are designed for circulation and transfer of a variety of uids compatible with their
materials of construction limited to maximum uid temperatures and maximum line pressures as indicated below.
Unique leakproof integrated motor/pump design eliminates the need for conventional mechanical seals or other shaft
sealing devices. They are self lubricating and require no external lubrication.
E1, E3, E5, E10, and E14 Series
E Series Specications
1
Unpacking
When unpacking the unit inspect carefully for any damage that may have occurred during transit. Check for loose,
damaged, or missing parts. Do not attempt to assemble or operate pump if any parts are missing or damaged.
General Safety Information
1. Know the pump application, limitations and potential hazards.
Pump should only be used with liquids compatible with pump component materials. Do not use to pump ammable or
explosive uids such as gasoline, fuel oil, kerosene, etc. Do not use in ammable and/or explosive atmospheres.
Materials of Construction (wetted parts)
Part
Pump Housing
“O” Ring
Impeller
Bearing
All Other Wetted Parts
Plastic Housing Models
Nylon/PPO
EPDM or Viton
Nylon/PPO
Carbon/Allumina Ceramic
316 Stainless Steel or Plastic
Non Plastic Housing Models
316 Stainless Steel, Metal, Brass
EPDM or Viton
Nylon/PPO
Carbon/Allumina Ceramic
316 Stainless Steel or Plastic
E1, E3, E5, E10, and E14 Series
E Series Specifications
M
F
Te
in
luid
mp
Max
Fluid
Temp
Max
Fluid
Temp
Max
Pressure
M
Pres
ax
sure
A
Max
mbient
Temp
Max
Ambien
Temp
t
Min
Storage
Temp
Min
Storag
Temp
e Voltag
Rang
e
e Freq
Rated
Wattage Max RPMs
(°C) (°C) (°F) (bar) (PSI) (°C) (°F) (°C) (°F) (V) (max.: W)
E1 Brass 10 95 203 10.32 150 50 122 -30 -22 100-240V 50-60Hz 12 3600
E1 Plastic 10 60 140 3.5 51 50 122 -30 -22 100-240V 50-60Hz 12 3600
E3 Brass 10 95 203 10.32 150 50 122 -30 -22 100-240V 50-60Hz 27 4800
E3 Brass Vario 10 95 203 10.32 150 50 122 -30 -22 100-240V 50-60Hz 27 4800
E3 Plastic 10 60 140 3.5 51 50 122 -30 -22 100-240V 50-60Hz 27 4800
E5 Strong Brass 10 80 176 10.32 150 50 122 -30 -22 100-240V 50-60Hz 50 5340
E5 Strong Plastic 10 80 176 3.5 51 50 122 -30 -22 100-240V 50-60Hz 50 5340
E10 Brass 10 95 203 4.14 60 50 122 -30 -22 115V 50-60Hz 80 3100
E10 Plastic 10 55 131 2 29 50 122 -30 -22 115V 50-60Hz 80 3100
E10 Cast Iron flanged 10 95 203 4.14 60 50 122 -30 -22 115V 50-60Hz 80 3100
E10 Brass 10 95 203 4.14 60 50 122 -30 -22 230V 50-60Hz 80 3100
E10 Plastic 10 55 131 2 29 50 122 -30 -22 230V 50-60Hz 80 3100
E10 Cast Iron flanged 10 95 203 4.14 60 50 122 -30 -22 230V 50-60Hz 80 3100
E14 Plastic 10 55 131 2 29 50 122 -30 -22 230V 50-60Hz 110 2700
Housing Codes
BCS 1/2”
BCT 1/2”
BCS 3/4”
SCT 3/4”
BCF
Material/Connection
Brass 1/2” (5/8”) Sweat
Brass 1/2” (5/8”) Threaded Female NPT
Brass 3/4” Sweat
Stainless 3/4” Threaded Female NPT
Bronze 3/4” Flanged
Available On
E1, E3, E10
E1, E3
E1, E3, E10
E10
E10
HCF Cast Iron 3/4” Flanged E10
NCH 1/2”
NCH 3/4”
NCT 3/4”
NCT 3/4”
NCH 1”
Noryl 1/2” OP Hose
Noryl 3/4” OP Hose
Noryl 1/2” Threaded Male NPT
Noryl 3/4” Threaded Male NPT
Noryl 1” OP Hose
E1, E3, E5
E1, E3, E5, E10
E1, E3, E15
E1, E3, E5, E10
E10
These pumps have been evaluated for use with water only. For your protection always wear proper clothing, eye
protection, etc. in case of any malfunction. For proper handling techniques and precautions, contact your chemical
supplier, insurance company and local agencies (re dept., etc.). Failure to comply with this warning may result in
personal injury and/or property damage.
2. Ensure that the power source conforms to the requirements of your equipment.
3. Disconnect power before servicing. If the power disconnect is out of sight, lock in the open position and tag it to
prevent unexpected application of power. Failure to do so may result in a fatal electric shock!
4. Release all pressure within the system before servicing any component.
5. Drain liquids from the system before servicing.
6. Personal Safety:
a. Wear safety glasses at all times when working with pumps.
b. Wear a face shield and proper apparel when pumping hazardous chemicals.
c. Keep work area clean, uncluttered, and properly lighted. Replace all unused tools and equipment.
d. Keep visitors at a safe distance from the work area.
e. Make workshop childproof with padlocks, master switches and by removing starter keys.
7. The motor is designed to be used in a clean dry location with access to an adequate supply of cooling air. Ambient
temperature around the motor should not exceed 122ºF (50ºC). For outdoor installations motor must be protected by
a cover that does not block airow to and around the motor. This unit is not able to be submersed in water.
8. When wiring an electrically driven pump follow all electrical and safety codes, as well as the most recent United
States National Electrical Code (NEC) and the Occupational Safety and Health Act (OSHA).
Installation
The pump should not be used in ammable or explosive atmospheres. In order to safely use this product,
familiarize yourself with this pump and also with the liquid (chemical, etc.) that is going to be pumped through the unit.
This pump is not suitable for many liquids. For installations where property damage might result from an inoperative
or leaking pump due to power outages, discharge line blockage, or any other reason, a backup system(s) should be
used. Failure to follow any warning can result in personal injury and/or property damage.
1. Locate pump as close to the uid source as possible, thus making the suction line as short and direct as possible.
The unit should be placed where the motor and electrical components are protected from the weather and humidity.
2. Attach piping suction line to suction inlet and piping discharge line to discharge outlet. Avoid using looped section
of pipe or ttings which might permit air to compromise airtight pipe connections. IMPORTANT: If plastic or fabric
hose is used for the suction piping it should be of a reinforced type so as not to collapse under suction.
3. Support the piping independently of the pump.
4. Laing pumps are lubricated by the pumped uid. How they are mounted and the condition of the water in the
system are important. THOROUGHLY CLEAN and FLUSH the system before installing the pump. If the uid
contains a high level of dissolved solids such as dirt, sediment, or products of corrosion, a strainer and/or lter
should be installed at least 12” before the inlet to the pump. 2
9. Single phase motors: All units are supplied with 115 volt, single phase motors (unless otherwise noted) and
provided with a 6 foot 3 wire exible cord with a 3 prong grounded plug suitable for a standard grounded type 115 volt
receptacle. Where a 2 prong wall receptacle is encountered, it must be replaced with a properly grounded 3 prong
receptacle installed in accordance with the National Electrical Code, local codes and ordinances. To ensure a proper
ground, the grounding means must be tested by a qualied electrician.
10. Use only 3 wire extension cords that have 3 prong grounding type plugs and 3 pole receptacles that accept the
equipment plug.
11. All wiring should be performed by a qualied electrician.
12. Protect electrical cord from sharp objects, hot surfaces, oil, and chemicals. Avoid kinking the cord. Replace or
repair damaged or worn cords immediately.
Do not handle a pump or pump motor with wet hands or when standing on a wet or damp surface or in water.
U.L. Caution
This pump has been tested using water only.
Its suitability for use with liquids other than water is the end user’s responsibility.
Australia
This pump must be installed in accordance with AS3500
3
E1, E3, E5, E10, and E14 Series
Options
Flow Control
Models with an “F” in the 4th position of the model number are equipped with an output which functions as a ow
switch to conform with dry ve protection of UL1563. When the ow of the pump is equal to or greater than 26pm the
contacts will close and remain closed until the ow drops below 16pm. The contact will remain open until the ow is
26pm or greater, this is a low voltage isolated circuit, the contact is rated 5A at 250vac or 30vdc.
Variable Control
Models with a “V” in the 4th position of the model number are equipped with a dial that controls the pump speed.
Temperature Control
Adjustable models with a “B” in the 4th position of the model number are equipped with a dial that controls the pump
to come on when the temperature drops below the set level. This can be adjusted between 68ºF (20ºC) to 158ºF
(70ºC).
Operation
1. Completely ll the system before operating the pump. Do not start the pump until the system has been lled. Make
sure the isolation valves are fully open and that there is water in the pump.
2. Purge air from the system prior to operating the pump. These two steps are very important. The pump should never
be allowed to run dry. This can severely damage the pump and will void the warranty.
Mounting
For installation purposes the arrows on the side of the pump housing
indicate the direction of water ow through the pump. Check to make sure
the pump is adequately supported and that neither the pump or the piping
is severely stressed. Install the pump at a point closest to the highest static
pressure point, but above the absolute lowest point in the system to avoid
dirt and sediment build-up. If required by application and code, install a
safety relief valve to protect against over temperature and pressure. Do not
mount with the motor above the impeller. This can cause the pump to run dry
leading to premature failure of the pump which voids the warranty. Refer to
the gures below for proper orientation before installing the pump.
Correct Installation
Improper Installation -
Do NOT mount in these orientations
Electrical
These instructions must be followed to reduce risk of electrical shock. All work should be performed by a qualied
electrician and in accordance with the current national and local electrical codes and regulations. Consult the
nameplate for electrical data. The motor is impedance protected. Make certain that a properly sized circuit is
available. Wire size should be based on the current carrying (amp) capacity of the conductor. The pump must be
grounded in accordance with the current national and local codes. Ground wire should be copper with a current
capacity at least equal to that of the wire carrying power to the pump. Observe all minimum code requirements for
your jurisdiction. For pumps supplied with a power cord, the current carrying capacity of the cord is suitable for proper
operation. Make certain the receptacle is properly congured and in good working order. Check to make certain that
the circuit is properly sized for the load. Isolation valves are recommended for both sides of the pump. Valves should
be positioned to avoid leakage onto the motor and electrical compartment. All elbows, tees, and sharp bends in the
piping should be installed sufciently upstream or downstream of the suction and discharge ports. Avoid welding or
soldering close to the pump, which could cause damage to the unit. The pumps are exclusively for built-in use. After
installation, the end product must comply with the relevant product standard. Product standard regulations must be
observed during tting and electric installation. For E5 95190 and E5 95191 types, where 2 cables are attached, both
cables for live (non SELF) voltage and are to be considered untouchable, as are all further connections and
connected parts. Installation and electric connections shall be carried out by professionals only.
E1, E3, and E5 E10 and E14
Green
White
Black
4
Trouble Shooting Chart
Symptom
Motor will not start or run
Pump will not prime
Little or no discharge
Noisy pump operation
Possible Causes
1. Improperly wired 1. Check motor wiring diagram
2. Blown fuse or open circuit breaker 2. Replace fuse or circuit breaker after
reason for overload has been corrected
3. Loose or broken wiring 3. Tighten connections, repair wiring
4. Foreign object in impeller 4. Disassemble pump, remove object
5. Motor shorted out 5. Replace motor
6. Dry run cutout has opened circuit 6. Allow unit to cool, restart after reason for
cutout has been determined and corrected
1. Leak, obstruction, or kink in 1. Repair as necessary
suction line
2. Suction line closed 2. Open
3. Pump is worn 3. Replace parts
1. Housing not lled with water 1. Properly prime housing
2. Suction piping too small 2. Increase to pump inlet size or one size
larger
3. Total head too high 3. Reduce discharge head
4. Impeller plugged 4. Disassemble pump and clean impeller
5. Pump not running 5. Check motor operation
1. Air trapped in housing 1. Check pump prime, also turn pump on
and off several times to bump air pocket out
of pump
2. Rotor bearing worn 2. Replace rotor assembly
3. Debris in housing 3. Disassemble pump and remove debris
Corrective Action
3. Operate the pump for approximately 10 minutes to purge any remaining air in the system. It may be
necessary to open a discharge valve, port and/or xture to ensure that the air has been purged. The pump should be
running quietly. If a “gurgling” noise is present it may mean there is still air in the system. Turning the pump on and off
several times will generally clear the remaining air. If this “gurgling” noise persists, recheck the system and
re-purge the air. System and pump should now operate quietly and efciently.
4. Dry Run Protection: Some pumps are equipped with Dry Run Protection. After a series of start attempts if the pump
does not detect that it is pumping the pump will turn off and remain off until the power is interrupted. After the dry con-
dition is eliminated and the pump is reenergized the pump will operate.
Maintenance
Ensure that the unit is disconnected from the power source before
attempting to service or remove any components.
1. Since the rotor/impeller unit (see exploded views) is the only
moving part, its replacement and/or the replacement of the motor is
simple.
2. After the power has been disconnected using a counter clockwise
motion remove the screw ring housing to motor connection on
models E1, E3, and E5. The E10
3. Remove the “O” ring from the pump housing.
4. Remove and replace the rotor. Check to make sure that the
ceramic bearing on the motor is intact and is not chipped or
otherwise damaged.
5. Replace the “O” ring with a new one and reverse the disassembly
procedure to reassemble the pump.
6. Since these units are self lubricated by the pumped uid, they
never need external lubrication.
7. Pump should be drained when subjected to freezing temperatures.
8. If provided, the suction line strainer should be cleaned at regular
intervals.
A
B
C
D
E
Replacement Parts
Please provide the following
information when ordering:
• Model number
• Serial number
• Part description
A - Housing
B - “O” Ring
C - Rotor Assembly
D - Motor Assembly
E - Screw Ring
www.lainginc.com
Laing Thermotech, Inc. 830 Bay Boulevard, Ste #101 Chula Vista, CA 91911 USA
Phone: (619) 575-7466 Fax: (619)575-2739 Email: [email protected]
Laing Warranty
LAING THERMOTECH, INC. (LAING) warrants that LAING products shall be free from defects in materials and
workman-ship for a period of eighteen (24) months from the date of manufacture or twelve (12) months from date of
purchase with proof of purchase (see manufacturing date on pump nameplate). All LAING product returned under
warranty will be fully inspected to determine CAUSE OF FAILURE before any warranty repair or replacement is
approved. If pump is found defective within the warranty period, the pump will be replaced or in the case of
wholesale or OEM customers, appropriate purchase credit will be issued. This warranty is void if the product is altered
or modied in any way by any person other than LAING, or if the product is not installed and used in accordance with
LAING’s instructions, or if the product has been subjected to misuse, abuse, or neglect, including corrosion or wear
caused by chemical action. The component materials set forth in a proposal and/or the specications of an order, are
recommended by LAING for the particular application, but such recommendations shall not be construed as a
warranty against wear and/or corrosion; and, such recommendations are subject in all cases to verication and
acceptance by the buyer and/or user. This warranty is void if the label or other identifying marks have been altered,
defaced, or removed. LAING’s liability under this warranty shall be limited to the repair and/or replacement, at
LAING’s sole discretion, of any product or part thereof, without charge, F.O.B. LAING Factory. It is expressly
understood and agreed that LAING shall not be liable or responsible for any costs incurred for labor, services,
transportation, or any other charges which may arise in connection with the removal of the product and/or installation
of repaired or replacement product. LAING also shall not be liable for any injury, loss or damage, direct, incidental or
consequential (including, but not limited to, incidental or consequential damages for lost prots, lost sales, injury to
person or property, or other incidental or consequential loss) resulting from the use or the inability to use the
product, and the user agrees that no other remedy shall be available to it. The maximum liability under this warranty
shall not exceed the LAING contract price of the product. In order to receive warranty consideration, the product must
be returned prepaid to the company from which it was originally purchased together with proof of purchase, reason for
return, return date, and description of installation and operating conditions. All product returned to LAING factory must
comply with the following: (1) must have prior LAING authorization and shipped under Return Material Authorization
(RMA) number provided by LAING; (2) must be sent prepaid, and; (3) must be accompanied by warranty claim
supporting documentation. No LAING product will be accepted by LAING factory unless and until all of the above
requirements are satised. LAING’s liability under this warranty shall be in lieu of all warranties of tness and in lieu of
all warranties of merchantability. Before using, the user shall determine the suitability of the product for his intended
use, and the user assumes all risk and liability whatsoever in connection therewith. This LIMITED WARRANTY
contains the entire warranty for the products manufactured by LAING. No one is authorized to make any warranty of
representation other than as described above, and buyer and/or user may not rely on any other warranty or
representation. 11/00
IM-26 03/2009
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