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Vents (intake, exhaust, transfer)

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Vents (intake, exhaust, transfer)  Vents are crucial components in HVAC systems, responsible for: 1.Air intake:  Drawing in outside air for ventilation and cooling. 2.Exhaust:  Removing stale air, moisture, and contaminants from the building. 3.Transfer:  Transferring air between spaces or zones. Types of vents: 1.Intake vents:  Bring in outside air for ventilation and cooling. 2.Exhaust vents:  Remove air from the building, often used in bathrooms and kitchens. 3.Transfer vents:  Connect different zones or spaces, allowing air to circulate. 4.Return vents:  Draw air back into the HVAC system for re-conditioning. Key characteristics: 1.Size and shape:  Varying sizes and shapes to fit different applications. 2.Material:  Typically made of metal, plastic, or fiberglass. 3.Dampers:   Adjustable louvers or valves to control airflow. 4.Filters:  Some vents include filters to clean the air. Factors affecting vent performance : 1.Loca...

Fans (supply, exhaust, return)

Fans (supply, exhaust, return)   Fans play a crucial role in HVAC systems, responsible for: 1.Air circulation:   Moving air through the system and building. 2.Pressure control:   Maintaining pressure differences between spaces. 3.Heat transfer:  Facilitating heat exchange between air and surfaces. Types of fans: 1.Supply fans:  Deliver conditioned air to occupied spaces. 2.Exhaust fans:  Remove air from occupied spaces. 3.Return fans:  Draw air back into the system for re-conditioning. Key characteristics: 1.Flow rate:  Measured in CFM (cubic feet per minute). 2.Pressure:  Measured in inches of water gauge (in wg). 3.Efficiency:  Measured by fan efficiency grade (FEG) or fan motor efficiency. 4.Noise level:  Measured in decibels (dB). Factors affecting fan performance: 1.Ductwork and system design. 2.Fan selection and sizing. 3.Motor and drive type. 4.Maintenance and cleanliness. Maintenance tips: 1.Regular cleaning of fan blades an...

Refrigerant

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Refrigerant Refrigerant is a substance used in refrigeration and air conditioning systems to transfer heat from one location to another. Common types of refrigerants include: 1.Chlorofluorocarbons (CFCs):  Phased out due to environmental concerns. 2.Hydrochlorofluorocarbons (HCFCs): Being phased out due to environmental concerns. 3.Hydrofluorocarbons (HFCs):   Widely used, but have high global warming potential. 4.Hydrofluoroolefins (HFOs):  Next-generation refrigerants with low global warming potential. 5.Natural Refrigerants:  Carbon dioxide, hydrocarbons, and ammonia. Refrigerant properties: 1.Boiling point:  Temperature at which the refrigerant changes state from liquid to gas. 2.Condensing temperature: Temperature at which the refrigerant changes state from gas to liquid. 3.Pressure:  Refrigerant operates at high and low pressures. 4.Thermodynamic properties:  Affect system performance and efficiency. Factors affecting refrigerant performance: 1.L...

Expansion valve

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Expansion valve  An Expansion valve is a crucial component in refrigeration and air conditioning systems, responsible for: 1. Reducing pressure:   Reducing the high pressure of the refrigerant fluid from the condenser to the evaporator. 2. Metering flow:  Regulating the flow of refrigerant into the evaporator. Types of expansion valves: 1.Thermostatic Expansion Valve (TXV):      - Uses a temperature-sensing bulb to regulate flow.     - Most common type used in air conditioning systems. 2. Capillary Tube Expansion Valve:      - Uses a small diameter tube to restrict flow.     - Often used in small refrigeration systems. 3. Electronic Expansion Valve (EXV):      - Uses electronic controls to regulate flow.     - Often used in high-performance systems. Key characteristics: 1. Orifice size:  Controls the amount of refrigerant flow. 2. Spring tension:  Adjusts the valve's opening pressure. 3. ...

Requirement for electrical engineer/Project manager Location Maharashtra

  Urgent requirement for Maharashtra location  Position - Electrical Engineer / Project Manager Exp in Solar Rooftop /Ground Mount Project Location - All over Maharashtra Qualification - B.E./B.Tech with 5-10 Yrs exp Contract -6 Month Extend B.Accdmn +Food + Transp - Provided Working Days - 6 Days / 8 Hrs - No OT Leave 1.5 Per month Salary - Negotiable Joining - Urgently within 7-15Days Send CV on sachind@aarviencon.com

Job for Field Service, Installation and Commissioning Engineer / Sr. Engineer / Support Technical Staff

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  The ZUVAY TECHNOLOGIES PVT. Position :  Field Service, Installation and Commissioning Engineer / Sr. Engineer / Support Technical Staff. Location:  All India Project Based. Qualifications:  ITI / Diploma / Bachelor / Master's Degree in Electrical, Electronics, Mechanical Engineering. Experience:  6 Months and above. Remuneration Package:  As per Industry Standards. Job Description Installation and commissioning Solar PV Production equipment and Utilities. Solar Cell/Module Line Production experience will be an added advantage APPLY NOW westproject@zuvay.in Email Subject: "Application: Position Title, Your Name "

Civil Site Supervisor (oil & Gas/CGD-City Gas Distribution)

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 Civil Site Supervisor (oil & Gas/CGD-City Gas Distribution) Joining required at site: New Site opening Soon (CNG pump Station) Job Profile details - Location: Gujarat (Placement in Gujarat) Qualification: Diploma OR B.E OR B.Tech (Civil) Only Experience: 3-5 years Duty Hrs: 9 Hrs, 6 Days Contract: 6 Months & extendable CTC Laptop Allowances (Rs. 2,500) Monthly Must have knowledge in Quality, Proctor Soil Compaction Test, Cube Testing, Levelling, Safety and Execution, Construction, site Mapping, Plan Reading, Drawing, Survey, Reporting, Grades & worked in CGD (City Gas Distribution), Site Inspection, Site Engineering. Note: Looking for only local candidate from Gujarat, who can work everywhere in Gujarat. Interested candidates kindly share your CV on what's App: Nikunj Vaidya: +918799196267