Vincent Chiza Email and Phone Number

Air Conditioning & Refrigeration SpecialistsServices:Design,Installation,Repair and Maintenance of Residential and Commercial Air Conditioning and Refrigeration Systems.Unit types:Split units,Cassettes,VRFs,Packaged and Ducted Reverse Cycle Units,Evaporative Cooling UnitsBrands & ModelsAll reputable and quality brandsAreas of CoverageAustralia wide but main focus is currently areas in and around Perth.

Carried out warranty repair work on Panasonic split units and ducted reverse cycle units plus repair and implementation of tailor made PM preventative maintenance for commercial clients in order to meet their individual organisation strategic strategies on;Split UnitsDucted Reverse Cycle UnitsEvaporative Cooling UnitsAir handling and distribution systemsChillers – all systems including turbocor (Powerpax)Clean rooms and laboratoriesPrecise temperature and humidity control environmentsBMS systemsRefrigeration systemsDust, gas and smoke extraction systemsCooling towers and water reticulation systemsTri/co-generation and reticulation systemsSpecialist filtration and odour control systemsUndertake works associated with Contract deliverables and KPI'sDiverse range of commercial customersClient advice

Key ResponsibilitiesDiagnosing Electrical & Mechanical problems on a variety of Refrigeration & Air Conditioning Equipment such as;central plant systems and chillers(York,Carrier,etc) a myriad of brands of ducted and packaged systems(APAC,Carrier,Fujitsu,Daikin,Mitsubishi,Panasonic,LG,Samsung,Hitachi,etc)VRFs,window wall units,reverse cycle split systems,ducted and ceiling cassettess (inverter and conventional systems),evaporative air conditioners(Bonaire,Breezair,Braemar,Brivis,Celair,Coolair,Carrier,etc)cool rooms & freezer rooms(Bitzer,Carel,Dixell,Kirby,Temperzone),ice machines(Manitowok) and carrying out service and repairs Carrying out installations and changeovers of refrigeration and air conditioning equipment.Carrying out programmed maintenance schedules for company's key customers.Carrying out after hours and on call roster for critical areas and priority customers.Supervising and training apprentices.Reading and interpreting Electrical & Mechanical Diagrams & Drawings.Installing components such as compressors, motors,condensers,evaporators,switches and gauges and copper lines for gas,refrigerant and chilled water systems.Bolting,soldering,riveting,welding or brazing pipes to connect equipment and checking alignment and accuracy of fit.Leak checking and repairing leaks on HVAC systems when they lose refrigerantRecovering gas or fluid using refrigerant recovery machinery,vacuum pumps and filling systems with refrigerant.Testing operation of refrigeration systems,checking mechanisms and making adjustments.Checking and overhauling refrigeration systems,diagnosing faults and repairing or replacing defective components.Adjusting system controls and mechanisms and reassembling systems.Recording causes of malfunctioning and action taken.Carrying programmed maintenance schedules on HVAC equipment for the company's long term customers.Maintaining a spares back up list

Company ProfileA partnership company between De Beers and the Botswana government and is currently the world’s largest producer of diamonds by value as well as the largest private sector employer in Botswana.Key ResponsibilitiesCarrying out installations,maintenance and repairs to all refrigeration and air conditioning units from small split systems to the largest refrigeration and air conditioning systems throughout the mine in accordance with the relevant legislation and codes and ensuring maximum efficiency with very minimal downtime of critical machinery. Ordering spares and keeping the appropriate stock levels for area of responsibility.Formulating and maintaining a budget for section of responsibility.Carrying out standby duties and after hours call out to ensure machinery availability all the times.Carrying out installations, maintenance and repairs to all refrigeration systems like domestic fridges,cool rooms,freezer rooms,water coolers and cooling systems found on machinery like the air driers for Atlas Copco air compressors GA75s & -40 bush freezers)and air conditioning units on the mine’s fleet of light vehicles,heavy vehicles(buses,fuel and water trucks) and heavy earthmoving machinery like dump trucks,dozers,loaders,cranes,drills,shovels,graders of various makes like Caterpillar,Komatsu,Liebherr,P&H,Terex,O&K,Sandvik,etcAccomplishmentsTrained a group of 10 apprentices(2 per year)and left some of them at a level where they could confidently repair and service the mine's air conditioning equipment.Assisted in the establishment of a proper and functional training matrix for apprentices.Achieved and excelled the required plant and equipment availability throughout my tenure.Assisted in the drafting of a comprehensive programmed maintenance schedule.Assisted in the attainment of the highest accident free period in the mine's history.

Company ProfileA subsidiary company of the Reserve Bank of Zimbabwe responsible for the refining of precious metals and a leader in the printing of various high security documents for both the private sector and government.Key Responsibilities:Carrying out service,maintenance and repairs to all air conditioning units in the printing halls and the refinery operated by a computerised York Central System consisting of 3 screw compressors,water cooled condensors,cooling towers,air handling units,air curtains,humidifiers and dehumidifiersCarrying out installations, repairs,service and maintenance of refrigeration thermoregulation systems for various types of security printing machinery like Dalmar & Churchill Thermoregulation units.Carrying out engineering service and maintenance of air compressors and driers(Atlas Coco GA 55s)Carrying out service,maintenance,installation of repairs of air conditioning units in the office blocks consisting of window/wall units,split units,ducted units,packaged units,cassettee units,etcCarrying maintenance,service and repairs of freezer rooms,cool rooms,water coolers,deep freezers,fridges throughout the company.Carrying out service, repairs and maintenance of air conditioners for the company’s fleet of vehicles. Carrying out standby duties and maintaining adequate spares back up for all critical units.Achievements and Skills AttainedBeing innovative in repairing refrigeration and air conditioning units to keep the plant and equipment functional at a time when the local currency crushed and no spares could be imported and achieving it without compromising product quality.

Company ProfileThe only iron and limestone mining company in Zimbabwe responsible for the supply of these raw materials to ZISCO steel and the by- products to the construction industry.Key ResponsibilitiesCarrying out installations, maintenance and repairs to all refrigeration and air conditioning equipment in the company’s three mines and head office.Ordering spares and keeping the appropriate stock levels for area of responsibility.Formulating and maintaining a budget for all sections of responsibility.Carrying out standby duties to ensure machinery availability all the times.Carrying out installations, maintenance and repairs to all refrigeration and air conditioning units on the mine’s fleet of light vehicles and heavy earthmoving machinery comprising of tractors, dozers, graders, mobile cranes, shovels, loaders, haul trucks, drills of various makes, types and sizes.Helping out in the electrical department whenever the need arises.Major Achievements and Skills AttainedCarried out the project of decommissioning of all refrigeration and air conditioning equipment from the old mine site in Buchwa and reinstalled the equipment in Redcliff(400km away).Quantification,sizing and being innovative in order to achieve the desired outcome.

Company ProfileA growing company responsible for the manufacturing, installation, maintenance and repairing of refrigeration and air conditioning equipment for the Zimbabwean marketKey ResponsibilitiesCarrying out installations,maintenance and repairs to all domestic,commercial and industrial refrigeration and air conditioning units for the company’s key customers like ZIMASCO(Zimbabwe Minerals and Smelting Company),ARDA dairy projects and Lancashire Steel.Carrying out product support of the company’s refrigeration products,of cool rooms,milk tanks,chillers,deep freezers,centre island chillers,underbar counter fridgesSourcing of new refrigeration and air conditioning jobs for the company.Overally in charge of running of the workshop,quoting jobs as well as ordering spares.Major Achievements and Skills AttainedLearnt how to manage the workforce when l was promoted to service manager after just 6 months of joining the company.Managed to tender and won new service contracts for the company with major companies like ZESA(Zimbabwe Electricity Supply Authority),Kadoma Fine Papers,Sabi Gold Mine and Kwekwe Municipality.

Company ProfileThe giant iron and steel works which is a sole company responsible for the production and supply of iron and steel products for the Zimbabwe local,regional and international market. Areas of Competence and Skills Gained During Apprenticeship TrainingAbility and commitment to work with adherence to safe working practices.Designing and drawing of refrigeration and air conditioning circuits.Wiring and installing electrical circuits for refrigeration and air conditioning systems.Installations of various refrigeration and air conditioning units and systems.Maintaining refrigeration and air conditioning units and systems according to designed maintenance schedules.Repairing broken down or malfunctioning refrigeration and air conditioning systems and equipment.Carrying out troubleshooting and repairs on broken down or malfunctioning refrigeration and air conditioning unitslike domestic units(fridges,deep freezers,water coolers,window wall units,split units),commercial units(cool rooms,freezer rooms,chilled water plants,display chillers,underbar counter fridges,island chillers and freezers,mortuaries,split units,cassettes,ducted units)and industrial units for chilled water systems,cooling towers,crane cab units,control rooms,etcPersonal Attributes Good interpersonal, leadership and communication skills.Self starter with a flexible mentality and a desire to keep learning and developing skills in abreast with new technological advancements within the refrigeration and air conditioning industry.Further Courses Undertaken During ApprenticeshipProfessional Development  Principles of Supervision  Supervisory Management  Defensive Driving  Advanced First Aid  Customer Care  Industrial Relations 

Company ProfileIMPERIAL DERBY & COMMERCIAL REFRIGERATION (Pvt) Ltd A joint partnership of Derby (Denmark) and Imperial/Commercial Refrigeration,which is the oldest and most successful refrigeration company in Zimbabwe.Specialists in the manufacturing of the whole range of domestic and commercial refrigeration units and technical back up. MACHINERY AND EQUIPMENT WORKED ONManufacturing,installation and repairing of Domestic & Commercial Refrigeration Appliances such as cool rooms,freezer rooms and supermarket refrigeration units.Cool room manufacturing using Isowall TechnologyCondensor and condensing units building using the Packlite SystemsEvaporator and coil manufacturing using Friden machinery (USA) technologyDesigning and wiring switchboards from direct on line and star delta up to 30HPEpoxying and wet spray paintingAssembling of absorption unitsCarrying out warranty work and repairs on domestic fridges,deep freezers,icemakers,cool rooms,freezer rooms,mortuaries,milk tanks,mobile freezers and various commercial chillers and freezers. Carrying out repairs,installations and maintenance of various air conditioners – window units,split types,cassette types,under ceiling,light vehicle and buses air conditioners,wall mount types.Connecting and wiring Single and Three phase Motors Key Outcome: Learnt the theory of the trade and how to apply it into practical and real life situations.  Developing from a trainee into a capable artisan. 