Описание
Этот 1621992902 is the Atlas Copco core cooler recorded for the ZH9000+ and ZH15000+ machines, the cooler core that the official documentation lists under the plain designation CORE COOLER. It is the heart of the intercooler train: the pressure vessel hardware stays on the machine, and this core is the element that carries the tubes, the fins and the water-side passages that cool the gas between stages.
The part is also a lesson in how Atlas Copco part numbers age. The current documentation follows a replacement chain — 1621893902 through 1621893952 to the 1621992902 — and every older number still printed on a machine file resolves to the same core packed under the current item number. Ordering the core by its chain rather than by one frozen number is what keeps a years-old machine matched with the part that is manufactured today.
This page follows the 1621992902 from its service position inward: the intercooler sections it is recorded against, the replacement chain that ends at the current number, the neighbouring aftercooler core it must not be confused with, and the physical figures a heavy-lift plan needs. Every figure below is drawn from the official part data, so the tables can be used directly in the machine file and at the receiving dock.

What the Core Cooler Does in the ZH Package
A cooler core is the replaceable thermal element inside a cooler assembly. In the ZH range, the gas side of the machine passes through the core between compression stages, and the cooling medium takes the heat out on the other side of the same element. The 1621992902 carries that duty as one manufactured unit: the tubes, the fins and the headers arrive as a single core, ready to be fitted into the cooler positions the machine already has.
Because the core carries the thermal duty, its condition is what the intercooler performance follows. A core that fouls, leaks or loses its fin surface shows up in the temperature readings of the machine long before it stops the package, and the planned answer is a renewed core rather than a rebuilt one. That is the role the 1621992902 is recorded for: the current spare that returns the intercooler train to its design duty in one planned stop.
Where It Sits: Intercooler 1 and Intercooler 2
The official parts list of the ZH9000+ 15000+ machines (document number 2930 1617 00, dated 2009-10) records the 1621992902 under the name Cooler, and the same part number appears in two chapters of that list: the Intercooler 1 section and the Intercooler 2 section. Both intercooler positions of the machine therefore take their core under one and the same item number, which keeps the spare-parts picture for the ZH9000+ / ZH15000+ intercooler train deliberately simple.
For a plant that stocks for both positions, the practical meaning is direct: one core reference covers the intercooler scope of the machine, and a single 1621992902 order serves either intercooler position the inspection flags. The cooler shells, pipework and support hardware remain on the machine, and the core is the piece that comes out and goes back in.

The Replacement Chain: 1621893902 to 1621992902
The part number of this core has moved twice, and the current documentation keeps the whole chain visible. The earliest number in the chain is 1621893902, which the current cooler-kit documentation still lists in brackets beside the present reference. The chain continues through 1621893952 and arrives at the 1621992902, the number that is manufactured and supplied today.
The chain matters at the moment an old machine file meets a current order. A ZH9000+ delivered years ago carries 1621893902 on its documentation, and a later file carries 1621893952; both resolve to the core packed under the 1621992902. The parts desk confirms the chain against the machine serial before the order is processed, so the number on the purchase order and the number on the delivery note agree with the machine they serve.

Intercooler Core, Not Aftercooler Core
The same cooler-kit documentation that carries this core also lists a neighbouring part: the ZH9000 AFTERCOOLER CORE under the number 1621894002. The two cores sit at different positions of the ZH9000+ package and must not be ordered interchangeably — the 1621992902 is the intercooler core of the machine, and the 1621894002 belongs to the aftercooler position.
The distinction is worth a deliberate check at the order stage, because both references describe cooler cores of the same frame size class and both appear in the same documentation. The machine position named in the parts list, Intercooler 1 or Intercooler 2 for the 1621992902, is the deciding detail — and it is recorded on the machine file beside the serial number.
Confirmed Applications in the Field
The application picture of the 1621992902 rests on the official record. The parts list of the ZH9000+ / ZH15000+ machines enters the core in its intercooler chapters, and spare-part procurement records for Atlas Copco ZH15000 chiller packages list the 1621992902 alongside its neighbouring core references as the cooler scope of those packages.
Within the wider ZH family, the confirmed record is the one the parts list and the procurement records show. Machine files that name other ZH frames are confirmed case by case against the serial-based parts list before an order for the 1621992902 is placed — the same discipline that keeps the replacement chain and the aftercooler distinction unambiguous.

Технические характеристики
The tables below collect the identification data and the physical figures recorded for the 1621992902.
Идентификация детали
| Номер артикула | 1621992902 |
| Official designation | CORE COOLER |
| Machines | ZH9000+ / ZH15000+ |
| Service position | Intercooler 1 / Intercooler 2 |
| Replacement chain | 1621893902 → 1621893952 → 1621992902 |
| Reference price | 115,335.19 EUR |
Размеры и вес
| Размеры (Д × Ш × В) | 165 × 50 × 50 cm |
| Вес | 223 kg |
| Страна происхождения | Бельгия |
| Код таможенного тарифа | 8419908590 |
The figures set the handling plan. At 223 kg in a 165 × 50 × 50 cm frame, the 1621992902 moves on a dedicated skid or frame with lifting gear rated for the load, and the route from dock to machine is walked before the delivery date. The core is stored in its packaging in a dry position until the stop, and the lifting points are checked against the delivered hardware rather than assumed from a previous core.

Часто задаваемые вопросы
Which machines is the 1621992902 core cooler recorded for?
The core is recorded for the ZH9000+ and ZH15000+ machines, under the CORE COOLER designation in the parts list of the range. The parts list for your machine serial number is the record that confirms the fit for that unit.
What is the replacement chain of this part?
The chain runs from 1621893902 through 1621893952 to the current 1621992902. The earliest number is still listed in brackets beside the present reference in the cooler-kit documentation, and older machine files resolve to the core supplied under the current number.
Is this the same core as the ZH9000 aftercooler core?
No. The aftercooler core of the ZH9000+ package is recorded under its own number, 1621894002, while the 1621992902 is the intercooler core entered in the Intercooler 1 and Intercooler 2 chapters of the parts list. The two references are not interchangeable.
Why does one part number appear in two intercooler sections?
Because the parts list records the same core reference for both intercooler positions of the ZH9000+ / ZH15000+ machine. One core number serves the Intercooler 1 and Intercooler 2 chapters, which is how the documentation keeps the intercooler spare scope simple.
What does Seadweer need to confirm the order?
The core number, which reads 1621992902, and the model and serial number from the machine nameplate. Send those two details to Seadweer and the parts desk confirms the replacement chain and the fit against the machine record before the order is processed.
More Coolers Available
Other Atlas Copco coolers are available upon request. Please check the table below or contact us for details.
| Номер детали | Название детали | Артикул |
|---|---|---|
| 1604274200 | FUEL COOLER | 1604-2742-00 |
| 1604335501 | AFTERCOOLER LP | 1604-3355-01 |
| 1604396802 | COOLER XAS47/57DD | 1604-3968-02 |
| 1604396902 | COOLER XAS67/97 | 1604-3969-02 |
| 1604408834 | COOLER PLATE | 1604-4088-34 |
| 1604411500 | COOLER | 1604-4115-00 |
| 1604411600 | INTERCOOLER | 1604-4116-00 |
| 1604411800 | INTERCOOLER | 1604-4118-00 |
| 1604435200 | COMBI_COOLER | 1604-4352-00 |
| 1604474700 | INTERCOOLER | 1604-4747-00 |
| 1604474702 | INTERCOOLER C13 | 1604-4747-02 |
| 1604558403 | COOLER | 1604-5584-03 |
| 1604623901 | PIPE-OIL COOLER | 1604-6239-01 |
| 1604624600 | COOLER | 1604-6246-00 |
| 1604624703 | SUPPORT COOLER | 1604-6247-03 |
| 1604624803 | SUPPORT COOLER | 1604-6248-03 |
| 1604638300 | COOLER XRV 10 | 1604-6383-00 |
| 1604645202 | SUPPORT COOLER | 1604-6452-02 |
| 1604653902 | COOLER | 1604-6539-02 |
| 1604661603 | COOLER | 1604-6616-03 |
| 1604738480 | COOLER | 1604-7384-80 |
| 1604753483 | COOLER & FANDR ASSY | 1604-7534-83 |
| 1604929300 | CHARGE AIR COOLER | 1604-9293-00 |
| 1604929400 | COOLER | 1604-9294-00 |
| 1604956300 | AFTERCOOLER | 1604-9563-00 |
| 1604990201 | ADAPTER COOLER | 1604-9902-01 |
| 1606012400 | COOLER OIL | 1606-0124-00 |
| 1606072600 | COOLER | 1606-0726-00 |
| 1606135400 | COOLER | 1606-1354-00 |
| 1606150000 | AFTERCOOLER | 1606-1500-00 |
| 1606168700 | COOLER | 1606-1687-00 |
| 1606175401 | COOLER | 1606-1754-01 |
| 1606175402 | COOLER | 1606-1754-02 |
| 1606205100 | COOLER OIL | 1606-2051-00 |
| 1606206201 | COOLER | 1606-2062-01 |
| 1606206202 | COOLER | 1606-2062-02 |
| 1606253400 | COOLER | 1606-2534-00 |
| 1606256001 | COOLER | 1606-2560-01 |
| 1606256002 | COOLER | 1606-2560-02 |
| 1606256100 | COOLER | 1606-2561-00 |
| 1606256200 | OILCOOLER | 1606-2562-00 |
| 1606266600 | COOLER CORE | 1606-2666-00 |
| 1606266601 | CORE COOLER | 1606-2666-01 |
| 1606266700 | COOLER CORE | 1606-2667-00 |
| 1606266701 | CORE COOLER | 1606-2667-01 |
| 1606288200 | COOLER | 1606-2882-00 |
| 1606331883 | COOLER | 1606-3318-83 |
| 1606331889 | COOLER | 1606-3318-89 |
| 1606335000 | COOLER | 1606-3350-00 |
| 1606335100 | COOLER | 1606-3351-00 |















Niels Verhoeven –
Our plant runs ZH9000+ machines and the intercooler core had to be renewed after a tube leak was found at inspection. The paper parts list still showed 1621893902, and Seadweer confirmed the chain to the current 1621992902 before we ordered. The core arrived on a dedicated skid at the recorded weight, it went into the Intercooler 1 position during the planned stop, and the machine returned to load with the discharge temperatures back on their usual curve.