Tim Mann

Industrial refrigeration and electrical service technician with hands-on experience troubleshooting ammonia refrigeration systems, compressors, oil systems, auto purgers, liquid pumps, glycol systems, chillers, cascade systems, control panels, and industrial electrical controls. Strong background in schematic reading, P&ID support, startup/commissioning, pump-out planning, preventive maintenance, safety inspections, customer communication, parts research, quoting, and leading field crews.

Industrial Refrigeration Service Technician at Nation Wide Refrigeration (2026-03 – Present)

• Troubleshoot electrical and controls issues on industrial refrigeration systems using schematics, meters, wiring diagrams, and field diagnostics.
• Perform mechanical refrigeration service including pulling compressors, changing valves, wiring motors, and troubleshooting system performance issues.
• Diagnose refrigeration system problems across compressors, motors, valves, controls, and related electrical components to restore reliable operation.

Industrial Refrigeration Service Technician at IRPros (2026-01 – 2026-03)

• Performed controls troubleshooting on industrial refrigeration equipment, control circuits, and related electrical components.
• Supported ammonia system operation, including safe system checks, troubleshooting, and field service diagnostics.
• Completed ammonia system pump-outs and assisted with system preparation for service and repair work.
• Diagnosed refrigeration system issues using operating conditions, schematics, technical documentation, and field testing.

Industrial Refrigeration Service Technician - Ammonia at Gartner Refrigeration (2021-07 – 2025-12)

• Service food processing and cold-storage facilities with ammonia refrigeration systems, including pump-outs, startups, troubleshooting, repair, and commissioning.
• Troubleshoot and repair industrial electrical control systems using schematics, technical documentation, and field diagnostic tools.
• Diagnose compressors, oil systems, auto purgers, liquid pumps, glycol systems, chillers, cascade systems, two-stage systems, DX evaporators, flooded evaporators, and recirculated systems.
• Write pump-out and startup plans, complete startup paperwork, and support P&ID documentation for operational readiness.
• Prepare sales information and repair quotes while communicating clearly with customers and plant teams.

Industrial Service Technician HVAC-R at TDIndustries (2019-12 – 2021-06)

• Serviced industrial, commercial, restaurant refrigeration, and HVAC systems with emphasis on electrical troubleshooting and equipment repair.
• Expanded working knowledge of Krack, Hobart, True, Hussmann, Lennox, Trane, cascade systems, and chillers.
• Researched factory manuals, wiring diagrams, and parts documentation to diagnose equipment issues and complete accurate repairs.
• Built parts lists and repair quotes, completing jobs under budget, including quotes up to $50K; certified on True R290 warranty repair.

Service Technician HVAC-R at Advantage Mechanical (2018 – 2019-12)

• Troubleshot and repaired grocery-store refrigeration equipment and HVAC systems.
• Worked with Danfoss, CPC, Hussmann, Dixie, KE2, Season 4, Carrier, Hussmann Super racks, RTUs, self-contained units, Hobart, and Kysor/Warren cases.
• Used factory specs, wiring diagrams, and controller documentation to diagnose system issues, locate parts, and communicate repair status to store teams.

Lead Electrician at CLP Electric (2018 – 2018-08)

• Led electrical repair and remodeling projects in nursing homes across Texas while managing and mentoring crews of up to six electricians.
• Planned jobs, ordered materials, coordinated with other contractors, and scheduled field work.
• Read blueprints and technical line diagrams; inspected motors, controls, PLCs, sensors, transformers, and circuit breakers.
• Diagnosed electrical problems with testing devices and repaired wiring, equipment, and fixtures in accordance with the National Electrical Code.

Commercial / Industrial Electrician at Cummings Electrical (2016 – 2018)

• Managed and mentored crews of up to 15 electricians after completing Cummings Supervisor Training.
• Conducted daily safety meetings, completed job hazard analyses, planned work, and ordered materials.
• Installed and maintained PLCs, wiring, lighting systems, conduit, wire pulls, terminations, motors, controls, sensors, transformers, and circuit breakers under NEC requirements.

Driver / Heavy Recovery at Beards Towing (2012 – 2014)

Operated and maintained a 50-ton wrecker for commercial truck and trailer recovery while following DOT laws and logbook requirements.

Diesel Mechanic at City of Fort Worth and Arlington ISD (2009 – 2012)

Diagnosed mechanical, electrical, and engine defects; maintained fleet vehicles, buses, engines, transmissions, differentials, and brake systems.

All Wheeled Vehicle Mechanic at U.S. Army (2005 – 2008)

Performed preventive maintenance and major repairs on Army wheeled vehicles, trained personnel, recovered disabled vehicles in hostile environments, and supported motor-pool operations for 70+ vehicles.

Refrigeration Program – Lindsey-Cooper Refrigeration School (2017)

Diploma in Electrical Technician – Everest College (2016)

Bachelor of Science in Computer Science – Texas Wesleyan University (2012-01 – 2014-01)

All Wheel Mechanic – U.S. Army All Wheel Mechanic School (2005-09 – 2005-12)