• Sep 2, 2025 trane grba rooftop units wiring diagrams trol circuits and sensor wiring. Power Wiring Diagrams: Detailing main power supply connections. Component-Specific Diagrams: For motors, relays, transformers, etc. Locating Wiring Diagrams Wiring diagrams are typically included in: Service Manuals: Provided by Trane upon purchase. Electr BY Chester Hartmann I
