Tld Acu-302-h-cup Manual __link__ Jun 2026

TLD ACU-302-H-CUP is a trailer-mounted diesel-electric air conditioning and heating unit (ACU/PCA) designed for narrow-body, regional jet, and commuter aircraft. The

: The "CUP" designation refers to the diesel-electric configuration, typically powered by a Cummins QSB tld acu-302-h-cup manual

| Terminal | Label | Function | |----------|-------|----------| | 1-2 | 12V / GND | Power input (backup) | | 3-4 | IN1+, IN1- | Zone 1 (EOL supervised) | | 5-6 | IN2+, IN2- | Zone 2 | | 7-8 | IN3+, IN3- | Zone 3 | | 9-10 | IN4+, IN4- | Zone 4 | | 11-12 | COM1 / NO1 | Relay 1 dry contact | | 13-14 | COM2 / NO2 | Relay 2 dry contact | | 15 | GND | Common ground | | 16 | D0#1 | Wiegand Data 0 – Reader 1 | | 17 | D1#1 | Wiegand Data 1 – Reader 1 | | 18 | LED#1 | Reader LED control | | 19 | BZ#1 | Reader Buzzer control | | 20 | GND | Reader ground | | 21 | +12V | Reader power (fused 500mA) | Key Operational Features

: Features a Cummins QSB 4.5 (Tier 3) or QSF 3.8 (Tier 4) engine. Refrigerant : Uses environmentally safe R-134a . Key Operational Features tld acu-302-h-cup manual