Tld Acu-302-h-cup Manual _top_ May 2026

The TLD ACU-302-H-CUP is a diesel-electric air conditioning and heating unit designed to service narrow-body, regional, and commuter aircraft. Detailed operation and maintenance manuals are typically restricted to owners, but technical documentation and datasheets are available through Scribd and ground support equipment (GSE) retailers like AERO Specialties. Technical Specifications Cooling Capacity: 24 nominal tons of refrigeration. Heating Capacity: 234,000 BTU/hr (68.5 kW). Air Flow: Up to 190 lb/min (86 kg/min).

• Cards must be free of dust and fingerprints.
• The barcode must be visible to the internal scanner.
• Do not use cards with bent or broken edges—they will jam the carousel.

1.2 Gas Supply Connection

Unlike resistive heating readers, the ACU-302-H-CUP uses a gas heating system. The manual details: tld acu-302-h-cup manual

Disposal: Electronic waste – do not discard in household trash. Contact TLD recycling program. The TLD ACU-302-H-CUP is a diesel-electric air conditioning

Safety Interlocks: Includes refrigerant high-low pressure shutdown, blower loss of pressure interlock, and compressor temperature protection. Cards must be free of dust and fingerprints

• 3 configurable reader ports (Wiegand 26–40 bit / OSDP)
• 2 supervised dry relay outputs (Fail-Safe/Fail-Secure configurable)
• 4 voltage-free input zones (EOL resistor supervised)
• Onboard PoE+ (Power over Ethernet 802.3at) or 12–24V DC backup
• Tamper-proof enclosure with real-time clock (RTC) battery backup

Parts and replacements

• Use manufacturer-specified replacement parts: sensors, relays, capacitors, PCBs.
• For refrigerant service, use certified HVAC technicians.
• Keep model and serial number (label on unit) when ordering parts.

1.3 Power and PC Interface

The device connects via a standard RS-232 or USB-to-serial adapter. The manual provides pinout diagrams and instructions for installing the proprietary drivers required for WinREMS communication.