How do I check the fuse in my Trane XL12 air handler? How do I lubricate or replace the motor on my Trane air handler model TWVAA0? How to check fuses on a Trane heat pumb & air handler? How can I get an owner's manual for Trane air handler model 4TEE3F40BAA? Hi all. Use this manual to install, startup, operate, and maintain the M-Series Climate Changer™ air handler. Carefully review the procedures discussed in this ma nual to minimize installation and startup difficulties. Product Information Trane M-Series Climate Changer air handlers are central-station air handlers designed for a variety of. Variable Speed Modular Multi-position Air Handlers 2–5 Tons TAM9A0A24V21DA TAM9A0B30V31DA TAM9A0C36V31DA TAM9A0C42V41DA TAM9A0C48V41DA TAM9A0C60V51DA Note: “Graphics in this document are for representation only. Actual model may differ in appearance.” Note: For use with BAYEA series heaters ONLY Product Data.