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Field Service

A & A Control, We are the team of Thai engineers and High skill Technicians, Completed Tool, More experience & many references.
A & A Understand the way to avoid technical problems is through Preventive and Predictive Maintenance as a method of limiting unscheduled plant downtime. An expert team of dedicated engineers and technicians is available to handle 1.engineering 2.installation 3.supervision 4.testing 5.commissioning and maintenance tasks. If a problem arises, They can work on-site in collaboration with customer's own maintenance staff.


Preventive Maintenance Service

  • V-MV Switchgear (Ring Main Unit)
  • HV-MV Circuit Breaker
  • HV-MV Switch Board
  • Distribution Transformer
  • Diesel Generator
  • Electrical / Mechanical Control Equipment
  • Motor Control Center / Water Pump
  • Power Capacitors
  • Automatic Transfer Switch (ATS)
  • Electrical / Sanitary / Air Condition system
  • Emergency Light / Exit Light
  • Split Type & Chiller Air Duct

Renovatin and Expansionf

  • ower usage measurement and analysis
  • Electrical Power Factor Control
  • Energy saving for Electrical / Mechanical Equipment
  • Energy Saving for Electrical /Sanitary / Aircondition System
  • Advise on engineering modification to increase reliability
  • Establish preventive main tenance for Major equipment
  • Design and Improved to reduced Energy Loss
  • "Power Boss" Relay for reduce electric power for inductive motor of machines
  • Energy Saving relay install for split Type Air Condition Saving "AIR SAV"

Electonical System Installation

Electrical / Mechanical

  • HV. Transmission Line
  • Transformer Installation
  • Diesel Generator c/w Auto Transfer Switch (ATS)
  • HV. Switchgear (12, 24, 36 kv.)
  • LV. Switch Board (MDB)
  • Sub Distribution Board (SDB)
  • Raceway, Wire & Cable
  • All Electrical Equipment Installation
  • Fire Alarm System
  • Telephone System
  • MATV. System
  • Lighting Protection
  • Grounding System
  • Mechanical Controller
  • Maching Installation


  • Piping system Installation
  • Water Pump, Fire Pump & Controller
  • Fire Protection & Alarm System
  • Drainage System
  • All Sanitary Equipment Installation

Air Condition

  • Air Split Type (Wall or Ceiling Type)
  • Air chiller System (Water Coll System)
  • A/C Controller (AMCC, AHU)
  • Ventilation Work
  • All Air Condition Equipment Installation









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