Air Oil Coolers

LAC with AC Motor for Industrial Use

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 The Olaer Group is part of Parker Hannifin since July 1st, 2012. With manufacturing and sales in 14 countries
in North America, Asia and Europe, the Olaer Group expands Parker’s presence in geographic growth areas
and offers expertise in hydraulic accumulator and cooling systems for target growth markets such as oil and
gas, power generation and renewable energy.

LAC Air Oil Coolers

For industrial use – maximum cooling capacity 300 kW
The LAC air oil cooler with balance that is too high. at which the oil’s viscosity and
single-phase or three-phase The consequences are poor the air content comply with
AC motor is optimized for lubricating properties, recommended values.
use in the industrial sector. internal leakage, a higher
Together with a wide range of risk of cavitation, damaged The correct working
accessories, the LAC cooler is components, etc. Overheating temperature produces a
suitable for installation in most leads to a significant drop number of economic and
applications and environments. in cost-efficiency and environmental benefits:
The maximum cooling capacity environmental consideration. • The hydraulic system’s
is 300 kW at ETD 40 °C. Choosing useful life is extended.
the right cooler requires precise Temperature optimisation • The oil’s useful life is
system sizing. The most reliable - a basic prerequisite for extended.
way to size is with the aid cost-efficient operation • The hydraulic system’s
of our calculation program. Temperature balance in a availability increases – more
This program, together with hydraulic system occurs when operating time and fewer
precise evaluations from our the cooler can cool down the shutdowns.
experienced, skilled engineers, energy input that the system • Service and repair costs
gives you the opportunity for does not consume - the system’s are reduced.
more cooling per € invested. lost energy: • High efficiency level
(Ploss = Pcool = Pin – Pused). maintained in continuous
Overheating - an expensive Temperature optimisation means operation – the system’s
problem that temperature balance occurs efficiency falls if the
An under-sized cooling capacity at the system’s ideal working temperature exceeds the
produces a temperature temperature – the temperature ideal working temperature.

Cooling capacity

Lifetime

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 Clever design and the right Easy to maintain
choice of materials and and easy to retrofit in
components produce a long many applications.
useful life, high availability
and low service and
maintenance costs.
Compact design and low weight.

Quiet fan and fan motor.

AC motor single-phase for

smaller and three-phase for
larger cooler sizes.

Cooler matrix with low pressure

drop and high cooling capacity.

LAC-M and LAC-X

LAC air oil coolers are also there may be an explosive for example in marine
available in two special versions, environment above ground, and environments.
LAC-X (ATEX version), approved LAC-M, adapted to be able better
for applications where to deal with corrosion attacks,

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 Calculate the
Cooling Capacity Requirement
Cooling Flow? Measure in Contact
Installed
capacity Pressure? your existing our
capacity
requirement? Pump capacity? unit engineers

Theoretical
capacity losses

Choose the right kind of cooler

Enter your values ....

... suggested solution

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 Better energy consumption means not only less environmental impact, but also reduces operating
costs, i.e. more cooling per € invested.

More Cooling per €

with precise calculations and our engineers’ support
Optimal sizing produces efficient the hydraulic system is often requires continuous
cooling. Correct sizing requires a natural element of cooling development. Areas where we
knowledge and experience. our calculations. Other potential are continuously seeking to
calculation program, combined system improvements can then improve performance include
with our engineers’ support, be discussed – e.g. filtering, cooling capacity, noise level,
gives you access to this very offline or online cooling, etc. pressure drop and fatigue.
knowledge and experience. Contact us for further guidance Meticulous quality and
The result is more cooling per and information. performance tests are conducted
€ invested. The user-friendly in our laboratory. All tests and
calculation program can be Parker Hannifin’s quality measurements take place in
downloaded from and performance guarantee accordance with standardised
www.olaer.se insurance for your operations methods - cooling capacity in
and systems accordance with EN1048, noise
Valuable system review into the A constant striving towards more level ISO 3743, pressure drop EN
bargain cost-efficient and environment 1048 and fatigue ISO 10771-1.
A more wide-ranging review of friendly hydraulic systems

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 The cooling capacity curves
are based on the inlet oil
temperature and the ambient air
temperature. An oil temperature
of 60 °C and an air temperature
of 20 °C produce a temperature
difference of 40 °C. Multiply by
kW/°C for total cooling capacity.

Pressure drop
bar

3.2
Pressure drop 033
044

2.8 At 30 cSt single-pass

007, 011
2.4

058, 078, 112, 113

2.0

002
1.6

1.2

0.8

0.4

50 100 150 200 250 300 350 Oil flow

l /min

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 Cooling capacity
kW/°C

4.00
Cooling capacity
3.50 LAC 033 – LAC 113
113-8

3.00
112-8

2.50

078-6
2.00
076-6
078-8
076-8
1.50
058-8
056-8

1.00 033-4

0.50
100 200 300 400 Oil flow
l /min

Cooling capacity
kW/°C

0.80 Cooling capacity

LAC2 002 – LAC2 023 016-2
0.70

0.60
016-4

0.50

016-6
0.40

007-2
0.30

007-2, 1-phase
0.20

0.10 004-2, 1+3-phase

002-2, 1-phase

0
50 100 150 200 Oil flow
l /min
Cooling capacity tolerance ± 10% kW.

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 Acoustic pressure No. of poles/
TYPE Weight kg (approx)
level LpA dB(A) 1m* Capacity kW
LAC2 002-2-single-phase 50 2-0.05 4
LAC2 003-2-single-phase 61 2-0.05 5
LAC2 004-2-single-phase 63 2-0.07 6
LAC2 004-2-single-phase 63 2-0.07 6
LAC2 007-4-single-phase 65 2-0.08 9
LAC2 007-2-single-phase 79 2-0.24 10
LAC2 007-4-three-phase 62 4-0.25 15
LAC2 007-2-three-phase 79 2-0.55 16
LAC2 011-4-three-phase 67 4-0.25 20
LAC2 011-2-three-phase 82 2-1.10 25
LAC2 016-6-three-phase 60 6-0.18 23
LAC2 016-4-three-phase 70 4-0.37 24
LAC2 016-2-three-phase 86 2-1.10 27
LAC2 023-6-three-phase 64 6-0.18 35
LAC2 023-4-three-phase 76 4-0.75 36
LAC 033-6-three-phase 74 6-0.55 45
LAC 033-4-three-phase 84 4-2.20 52
LAC 044-6-three-phase 76 6-0.55 63
LAC 044-4-three-phase 85 4-2.20 65
LAC 056-8-three-phase 73 8-0.55 73
LAC 056-6-three-phase 81 6-1.50 75
LAC 056-4-three-phase 84 4-2.20 75
LAC 058-8-three-phase 74 8-0.55 80
LAC 058-6-three-phase 82 6-1.50 82
LAC 058-4-three-phase 85 4-2.20 82
LAC 076-8-three-phase 79 8-1.10 130
LAC 076-6-three-phase 86 6-2.20 140
LAC 078-8-three-phase 80 8-1.10 136
LAC 078-6-three-phase 87 6-2.20 146
LAC 110-8-three-phase 84 8-2.20 160
LAC 110-6-three-phase 90 6-5.50 170
LAC 112-8-three-phase 85 8-2.20 168
LAC 112-6-three-phase 91 6-5.50 178
LAC 113-8-three-phase 80 8-2.20 218
LAC 113-6-three-phase 88 6-5.50 237
LAC 200-8-three-phase 86 8-4.00 365
LAC 200-6-three-phase 92 6-11.00 405
* = Noise level tolerance ± 3 dB(A).

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 OUTLET
(With by-pass type S)

TYPE A B C D E F G H I J K L Mø

LAC2 002-2-single-phase 165 74 82 189 - G½ 190 72 97 105 167 39 9

LAC2 003-2-single-phase 244 134 82 223 71 G1 148 90 114 161 218 31 9x14
LAC2 004-4-single-phase 267 134 82 256 69 G1 148 90 131 165 222 28 9x14
LAC2 004-2-single-phase 267 134 82 256 69 G1 148 90 131 165 222 28 9x14
LAC2 007-4-single-phase 340 203 77 345 54 G1 267 160 175 189 249 49 9x14
LAC2 007-2-single-phase 340 203 77 345 54 G1 267 160 175 189 249 49 9x14
LAC2 007-4-three-phase 365 203 64 395 42 G1 510 160 213 225 429 50 9
LAC2 007-2-three-phase 365 203 64 395 42 G1 510 160 213 225 434 50 9
LAC2 011-4-three-phase 440 203 62 470 41 G1 510 230 250 249 453 50 9
LAC2 011-2-three-phase 440 203 62 470 41 G1 510 230 250 249 475 50 9
LAC2 016-6-three-phase 496 203 66 526 46 G1 510 230 278 272 474 50 9
LAC2 016-4-three-phase 496 203 66 526 46 G1 510 230 278 272 479 50 9
LAC2 016-2-three-phase 496 203 66 526 46 G1 510 230 278 272 496 50 9
LAC2 023-6-three-phase 580 356 63 610 44 G1 510 305 320 287 489 50 9
LAC2 023-4-three-phase 580 356 63 610 44 G1 510 305 320 287 511 50 9
LAC 033-6-three-phase 692 356 53 722 42 G1¼ 510 406 376 318 534 50 9
LAC 033-4-three-phase 692 356 53 722 42 G1¼ 510 406 376 318 618 50 9
LAC 044-6-three-phase 692 356 53 866 59 G1¼ 510 584 448 343 559 50 9
LAC 044-4-three-phase 692 356 53 866 59 G1¼ 510 584 448 343 643 50 9
LAC 056-8-three-phase 868 356 49 898 43 G1¼ 510 584 448 343 643 50 9
LAC 056-6-three-phase 868 508 49 898 43 G1¼ 510 584 464 368 668 50 9
LAC 056-4-three-phase 868 508 49 898 43 G1¼ 510 584 464 368 668 50 9
LAC 058-8-three-phase 868 508 49 898 43 G2 510 584 464 388 652 30 9
LAC 058-6-three-phase 868 508 49 898 43 G2 510 584 464 388 682 30 9
LAC 058-4-three-phase 868 508 49 898 43 G2 510 584 464 388 688 30 9
LAC 076-8-three-phase 1022 518 41 1052 45 G1½ 800 821 541 393 693 70 14
LAC 076-6-three-phase 1022 518 41 1052 45 G1½ 800 821 541 393 710 70 14
LAC 078-8-three-phase 1022 518 41 1052 45 G2 800 821 541 413 713 50 14
LAC 078-6-three-phase 1022 518 41 1052 45 G2 800 821 541 413 730 50 14
LAC 110-8-three-phase 1185 600 54 1215 45 G2 800 985 623 418 785 70 14
LAC 110-6-three-phase 1185 600 54 1215 45 G2 800 985 623 418 785 70 14
LAC 112-8-three-phase 1185 600 54 1215 45 G2 800 985 623 438 805 50 14
LAC 112-6-three-phase 1185 600 54 1215 45 G2 800 985 623 438 805 50 14
LAC 113-8-three-phase 1200 600 82 1215 45 G2 860 985 623 465 833 82 14
LAC 113-6-three-phase 1200 600 82 1215 45 G2 860 985 623 465 871 82 14
LAC 200-8-three-phase
Please see LAC 200 brochure for more information
LAC 200-6-three-phase

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 Key for LAC/LAC2 Air Oil Coolers
All positions must be filled in when ordering:
EXAMPLE: LAC2 - 016 - 6- A- 50 - T20 - D- 0
1 2 3 4 5 6 7 8

1. AIR OIL COOLER WITH AC Built-in, pressure-controlled Fan housing Steel

MOTOR = LAC / LAC2 bypass, two-pass* Fan guard Steel
2 bar = T20 Other parts Steel
2. COOLER SIZE 5 bar = T50 Surface Electrostatically
002, 003, 004, 007, 011, 016, 023, 8 bar = T80 treatment powder-coated
033, 044, 056, 058, 076, 078, 110, Built-in temperature and
112, 113 and 200. pressure-controlled bypass, TECHNICAL DATA, COOLER
single-pass MATRIX
3. NUMBER OF POLES, MOTOR 50 °C, 2.2 bar = S25 Maximum static
60 °C, 2.2 bar = S26 operating pressure 21 bar
2 - pole =2
70 °C, 2.2 bar = S27 Dynamic operating
4 - pole =4
90 °C, 2.2 bar = S29 pressure 14 bar*
6 - pole =6
Built-in temperature and Heat transfer limit ±6%
8 - pole =8
pressure-controlled bypass, Maximum oil inlet
two-pass* temperature 120 °C
4. VOLTAGE AND FREQUENCY
50 °C, 2.2 bar = T25 * Tested in accordance with ISO/DIS 10771-1
(IE2 GUARANTEED AT 50HZ)
60 °C, 2.2 bar = T26
No motor =0 70 °C, 2.2 bar = T27 TECHNICAL DATA FOR 3-PHASE
230/400V 50Hz1) =A 90 °C, 2.2 bar = T29 MOTOR
460V alt 480V 60Hz1) =B * = not for LAC2 002 - LAC2 004
Single-phase 230V 3-phase asynchronous motors in
50Hz (not IE2) =C accordance with IEC 34-1 and
7. MATRIX GUARD
230/400V 50Hz 460 alt IEC 72 in accordance with DIN
No guard =0 57530/VDE 0530
480V 60Hz2) =D
Stone guard =S Insulation class F
500V 50Hz (not standard) =E
Dust guard =D Rise of temperature B
400/690V 50Hz 460 alt
Dust and stone guard =P Protection class IP 55
480V 60Hz =F
525V 50Hz, 575V 60Hz =G
8. STANDARD/SPECIAL TECHNICAL DATA FOR 1-PHASE
Motor for special voltage
or frequency (stated in Standard =O MOTOR
plain language)3) =X Special =Z Insulation class B
1) for LAC 033 to LAC 113 Rise of temperature B
2) For LAC2 007 to LAC2 023 TECHNICAL SPECIFICATION Protection class IP 44
3) For other options contact Parker for
assistance. All motors apply to IEC 60034,
IEC 60072 and EN 50347
FLUID COMBINATIONS TECHNICAL DATA FOR 3-PHASE
Mineral oil HL/HLP in MOTOR LAC2 004
5. THERMO CONTACT accordance with Rated voltage 230/400V
No thermo contact = 00 DIN 51524 50/60Hz
40 °C = 40 Oil/water HFA, HFB in Insulation class B
50 °C = 50 emulsion accordance with Rise of temperature B
60 °C = 60 CETOP RP 77H Protection class IP 44
70 °C = 70 Water glycol HFC in
80 °C = 80 accordance with COOLING CAPACITY CURVE
90 °C = 90 CETOP RP 77H The cooling capacity curves in this
Phosphate ester HFD-R in technical data sheet are based on
6. COOLER MATRIX accordance with tests in accordance with EN 1048
CETOP RP 77H and have been produced using oil
Standard = 000
Two-pass = T00 type ISO VG 46 at 60 °C.
MATERIAL
Built-in, pressure-controlled
bypass, single-pass Cooler matrix Aluminum CONTACT PARKER HANNIFIN
2 bar = S20 Fan blades/hub Glass fibre FOR ADVICE ON
5 bar = S50 reinforced
Oil temperatures > 120 °C
8 bar = S80 polypropylene/
Oil viscosity > 100 cSt
Aluminum
Aggressive environments
The information in this brochure is subject to change without prior notice. Ambient air rich in particles
High-altitude locations

10

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 With our specialist expertise, industry knowledge and advanced technology, we can offer a range
of different solutions for coolers and accessories to meet your requirements.

Take the Next Step

- choose the right accessories
Supplementing a hydraulic as lower service and repair costs. improve your hydraulic system.
system with a cooler, cooler All applications and operating Please contact Parker Hannifin
accessories and an accumulator environments are unique. A well- for guidance and information.
gives you increased availability planned choice of the following
and a longer useful life, as well accessories can thus further

Pressure-controlled bypass Thermo contact Temperature-controlled

valve Integrated Sensor with fixed set point, for bypass valve Integrated
Allows the oil to bypass the temperature warnings. Can be Allows the oil to bypass the cooler
cooler matrix if the pressure drop used for more cost-efficient matrix if the pressure drop is higher
is too high. Reduces the risk of operation and better environ- than 2,2 bar or less than the chosen
the cooler bursting, e.g. in mental consideration through temperature. The bypass closes
connection with cold starts and the automatic control of the fan when the oil temperature increas-
temporary peaks in pressure or motor, either on or off. es. Different closing temperatures
flow. Available for single-pass or available. Available for singlepass
two-pass matrix design. or two-pass matrix design

Lifting eyes Temperature-controlled Stone guard/Dust guard

For simple installation and 3-way valve External Protects components and sys-
relocation. Same function as the temperature- tems from tough conditions.
controlled bypass valve, but
positioned externally.
Note: must be ordered separately.

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Ed. 2012-10-02

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© 2012 Parker Hannifin Corporation. All rights reserved. Catalogue HY10-6001/UK, POD, 10/2012, Vitt

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