Spare Parts Ckd Skd For Air Conditioner

What Actually Arrives, And What Only Looks Like A Product

Suppliers who have only built refrigeration cabinets usually underestimate one thing: an air conditioner is not assembled, it is joined. Five sub-assemblies arrive tested and charged with nitrogen, and the value you add is joining them correctly: a leak-free copper circuit, a dry system, an exact refrigerant charge, and an electrical panel that passes a hipot test. Get the joining right and the unit runs for a decade. Get it wrong and you will find out in month three, in the customer's bedroom.

A1 and A2 meet here. The coil sits above the drain pan and the blower pulls air across it.

A3 with the shell off: compressor on rubber mounts, condenser wrapped around three sides, service valves at the corner.

The Box Count Is The First Number A Buyer Should Ask For

Shipping a finished split system means shipping a lot of air. Packing the same capacity as knocked-down assemblies removes the outer carton, the foam end caps and most of the void, and it lets a 40 foot high cube carry the assemblies of roughly two to three times the finished units, model for model. Ask for the box count and the packed volume before you ask for the price; the freight line usually decides the deal.

Nine cartons do not have to mean nine loose boxes. Crates are built to the container plan, so unloading is a forklift job measured in hours, not a sorting job measured in days.

CBU, SKD And CKD Are Three Different Businesses

The letters describe how far the factory has already gone. Choosing the depth is not a matter of ambition; it is a matter of which steps your team can already do to a repeatable standard, and which certificates your market will accept from a local assembly line rather than from an importer.

Depth changes the crate plan, not the container. CKD needs more bracing and a drier box, because bare coil faces and control boards travel without the protection of a finished cabinet.

Four Decisions That Cost More To Change Later Than To Make Now

Ten Modules Between An Empty Hall And A Unit That Holds A Vacuum

This is the order we use when we stand up an assembly line with a partner, and it is the order that keeps rework low. Modules 01 to 04 are preparation and can be done while the container is still at sea. Modules 05 to 09 are the line. Module 10 is the one most projects skip, and it is the one that decides whether the second container is cheaper than the first.

Module 04 to 05 in practice. Staging the cartons in assembly order is what turns a pile of parts into a sequence a new team can repeat without supervision.

Module 07. The panel is the last part fitted and the first part a customer judges, so panel gap and flush are checked as a standard, not as a preference.

Module 05 on a real line: chassis, coil, harness and drain in one station. The bench height is set so the unit is worked on from above, which is the posture that keeps the coil face undamaged.

Two Numbers Decide Whether A Unit Lasts Five Years Or Fifteen

Every shortcut in this industry is taken at the vacuum station and at the charging station, because both are slow, both are invisible after the panel goes on, and both cost nothing to skip. They are also the two operations your customer cannot inspect, which is exactly why they have to be instrumented rather than trusted.

Module 09. The bench is not there to prove the unit works today; it is there to catch the one unit in fifty that will not, before it becomes a warranty claim in another country.

The Joint Is The Product

A split system is judged by its joints. Flare joints at the indoor unit, braze joints at the outdoor unit, and in CKD a set of header joints inside the chassis that never existed in a finished unit. Three rules cover most of the failures we see: cut square and deburr, flare to the gauge rather than to feel, and never braze without nitrogen flowing.

A straight line, not a U. Copper and cabinets both travel better in one direction.

Model code and parameter set are loaded here. A board set to the wrong capacity runs, cools badly, and passes every test you have.

Four Tests That Must Pass On Every Unit, Not On A Sample

Air conditioners are the appliance most often blamed for electrical incidents in hot climates, usually unfairly, because the installation is out of the factory's hands. What a factory can control is that every unit leaving the line is electrically sound before the installer ever touches it.

What You Buy Once, And What You Buy Per Container

One rule keeps tooling cost honest: instruments are bought once and calibrated forever, fixtures are bought per capacity, and consumables are bought per container. Most first time buyers over-invest in fixtures for capacities they will not sell and under-invest in the gauges that decide whether anything they build works.

A Clear Split Prevents The Most Expensive Argument

A working line looks unremarkable: units at the same stage, the same distance apart, the same number of people. Irregularity on the line is the first sign that a module has not been taught properly.

What A Single Capacity Line Actually Needs

These are the numbers we plan a first line against. They are not a target to grow into; they are the floor below which the line cannot run a full container without overtime and rework.

Output is counted in containers, not in units. A line that makes forty a day and forty different ones a week is slower than a line that makes one model well.

Finished goods, waiting for the packing module. In a good line this pile is small and moves every day.

From Deposit To A Line That Holds A Vacuum

Packing is a module, not an afterthought. A unit that passes every test and arrives with a cracked panel is a unit that failed.

One Engineer, Fifteen To Twenty Days, Then Every Year

The engineer who travels is a line engineer, not a sales engineer, and the visit has a fixed shape: three days building the first units with your team watching, then your team builds while the engineer watches, then a day of testing every unit that was built and a written list of what has to change. The annual visit is shorter and exists to catch the drift that always appears once the first supervisor leaves.

Spare parts after the first year are sold at kit pricing rather than finished goods pricing, which matters more than it sounds: the parts that fail in the field are compressors, boards and fan motors, and those are exactly the parts a kit programme already buys in volume.

Checked On Every Unit, Not Sampled

The point of all of it: a unit that runs quietly in a hot room, on a circuit the customer can afford.

Air conditioning is the largest load in most off grid houses. A DC ready kit is how a market that cannot afford the grid still gets cooling.

Reference Markets, And What Each One Taught Us

The kit programme started with refrigeration cabinets and moved to air conditioning when buyers in the same markets asked for the second product from the same container. What follows is where that has been done and what the local conditions changed in the kit.

The hall in the reference above is not a showpiece. It is the same line, one shift, one capacity, doing what a line is supposed to do: the same thing every day.

Eight Answers, Including The Uncomfortable Ones

Kit Data At A Glance

Four Companies, One Supply Chain

Hangzhou Juka Intelligent Technology is the head office and the export entity. Zhejiang Gangtong Electrical Appliance is the manufacturing base for refrigeration. Hangzhou Juka Solar Technology develops the DC direct drive and hybrid systems. Huzhou Transtec Electrical Appliance runs the CKD and SKD programme, including the kit engineering, the packing design and the training that goes with it. Founded in 2009, with CE, CB, ErP and ISO 9001 in place, and OEM work for buyers who bring their own brand.