Indoor Unit
AssemblyWall-mounted head with an evaporator coil, cross-flow fan, motorized louvers, filter, and its own control board. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Indoor Unit parts and their functions
7 top-level parts · 134 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Indoor Case & Front Cover | 1× | Front cover + chassis |
| 2 | Evaporator Coil 3 parts | 1× | Indoor coil |
| 3 | Cross-Flow Blower 3 parts | 1× | Cross-flow fan |
| 4 | Louver Stepper Motor 3 parts | 2× | Swing louvers |
| 5 | Washable Air Filter | 1× | |
| 6 | Indoor Control PCB 5 parts | 1× | Indoor PCB |
| 7 | Condensate Drain Hose | 1× | Condensate |
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Bill of materials for Indoor Unit
7 top-level lines · 28 rows shown · 134 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Indoor Case & Front Cover | minisplit-indoor-case | 1× | 1 | · | part |
| 2 | Evaporator Coil 3 parts | minisplit-evaporator | 1× | 1 | 4 | assembly |
| 2.1 | Copper Coil Tube | minisplit-copper-tube | 1× | 1 | · | part |
| 2.2 | Aluminum Fin Stack | minisplit-aluminum-fin | 1× | 1 | · | part |
| 2.3 | Coil Header | minisplit-coil-header | 2× | 2 | · | part |
| 3 | Cross-Flow Blower 3 parts | minisplit-indoor-blower | 1× | 1 | 4 | assembly |
| 3.1 | Blower Motor | blower-motor | 1× | 1 | · | part |
| 3.2 | Cross-Flow Fan Barrel | minisplit-cross-flow-barrel | 1× | 1 | · | part |
| 3.3 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 4 | Louver Stepper Motor 3 parts | minisplit-louver-motor | 2× | 2 | 23 | assembly |
| 4.1 | Stator Assembly 3 parts | stator-assembly | 1× | 2 | 3 | assembly |
| 4.1.1 | Stator Core (laminations) | stator-core | 1× | 2 | · | part |
| 4.1.2 | Copper Winding | copper-winding | 1× | 2 | · | part |
| 4.1.3 | Slot Insulation | stator-insulation | 1× | 2 | · | part |
| 4.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 2 | 19 | assembly |
| 4.2.1 | Rotor Shaft | rotor-shaft | 1× | 2 | · | part |
| 4.2.2 | Rotor Core | rotor-core | 1× | 2 | · | part |
| 4.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 32 | · | part |
| 4.2.4 | Ball Bearing | ball-bearing | 1× | 2 | · | part |
| 4.3 | Motor Housing | motor-housing | 1× | 2 | · | part |
| 5 | Washable Air Filter | minisplit-indoor-filter | 1× | 1 | · | part |
| 6 | Indoor Control PCB 5 parts | minisplit-indoor-control | 1× | 1 | 77 | assembly |
| 6.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 6.2 | Microcontroller | mcu | 1× | 1 | · | part |
| 6.3 | SMD Passive (R/C/L) | smd-passives | 70× | 70 | · | part |
| 6.4 | Relay | relay | 1× | 1 | · | part |
| 6.5 | Connector | connector | 4× | 4 | · | part |
| 7 | Condensate Drain Hose | minisplit-indoor-drain | 1× | 1 | · | part |
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Where the indoor unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |