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| Attribute | Detail |
|---|---|
| Primary Model | KFD28K-074E1 |
| Manufacturer Part Numbers | 8112-04875P (production variant), 8112-04875, 8112-01066 (interchangeable equivalents) |
| Product Type | Integrated Electronic Climate Control Panel for Bus HVAC Systems |
| Common Cross-References | Yutong 8112-01066, Kinglong KFD28K-074E1, Higer 8112-04875P |
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| Category | Details |
|---|---|
| Primary Use | Climate control for heavy-duty buses/coaches (HVAC system interface) |
| Target Vehicles | - Yutong: ZK6119, ZK6128H, ZK6129H series - Kinglong: XMQ6119, XMQ6127 series - Higer: KLQ6118, KLQ6129 series - Zhongtong: LCK6129 series - Also compatible with export models for Southeast Asia, Africa, and Latin America |
| System Role | OEM/Aftermarket replacement for bus HVAC controllers (replaces legacy mechanical thermostats) |
| Category | Specification |
|---|---|
| Electrical | - Operating Voltage: 24V DC (nominal; compatible with standard bus electrical systems) - Power Consumption: ≤15W (typical) - Protection Rating: IP54 (dust/splash resistant; not waterproof) |
| Functional | - Dual-Zone Control: Independent temperature management for driver & passenger compartments - Integrated Heating/Cooling: Unified control for refrigeration (AC) and heating (PTC/auxiliary) - User Interface: Rotary knobs + tactile buttons with LED status display - Communication: CAN 2.0B bus interface (for vehicle diagnostics/remote updates) - Expandability: Supports IR remote, voice control, and firmware upgrades |
| Environmental | - Operating Temperature: -20°C to +65°C - Storage Temperature: -40°C to +70°C - Humidity Tolerance: ≤85% RH (non-condensing) |
| Physical | - Dimensions: 185mm × 120mm × 45mm (approx.) - Weight: 450g (approx.) - Mounting: DIN-rail or panel-cutout (72mm × 72mm standard) |
