Published on Jul 3, 2009 Watch unique presentation for HVAC Beginers. Aclaimed and recommneded by professionals. BUCC (HVAC)-MR. NEERAJ SHUKLA WHAT IS HVAC ?  AC- AIR CONDITIONING Few People think that HVAC is all about Luxury , Waste of money It is the RIGHT of every individual to live in comfort and HVAC is committed for it. HVAC serves the Industrial Segment to great extent.  AUDITORIUMS & THEATRES  HOTELS AND RESTAURENTS  AND MANY MORE………!! WHAT IS TR ? 1 TR IS AMOUNT OF HEAT TO BE EXTRACTED FROM THE ATMOSPHERE FOR MELTING ONE METRIC TON OF ICE IN ONE TON OF REFRIGERATION (TR) EQUALS TO 12000 BTU/HR. OR WHAT WE ARE GOING TO  FUNCTIONS OF HVAC  BASIC OPERATING CYCLE  CLASSIFICATION OF AC SYSTEMS  ABOUT VARIOUS AC SYSTEMS  STEPS INVOLED IN DECIDING THE  ABOUT HEAT LOAD  TYPES OF COMPRESSORS  ABOUT AC EQIPMENT

 ABOUT AIR DISTRIBUTION SYSTEM  RECENT TRENDS IN HVAC INDUSTY  CONTROL OF AIR TEMPERATURE.  CONTROL OF MOISTURE CONTENT IN THE  PROPER AIR MOVEMENT.  TO HOLD THE AIR CONTAMINATION (CHILLED WATER AIR WASHER SYSTEM)  CALCULATION OF COOLING LOADchange filter carrier ac unit  SELECTION OF TECHNO-ECONOMICAL SYSTEMchanging capacitor in ac unit  SELECTION OF EQUIPMENToutside air conditioning unit blowing cool air  DESIGNING AIR DISTRIBUTION SYSTEM  DESIGNING WATER DISTRIBUTION SYSTEM  EVALUATION OF SYSTEM TO BE USED IMPORTANT FACTORS FOR CALCULATION OF COOLING LOAD REQUIREMENT PHYSICAL DIMENSION OF SPACE INSIDE ROOM DESIGN CONDITIONS

GLASS AREA EXPOSED TO SUN INFILTRATION OF OUTSIDE AIR  BUDGET OF CLIENT  NEED OF CLIENT  USE OF SPACE  DEPTH OF BEAM  LOCATION OF COLUMNS  SPACE FOR SERVICING  AIR COOLED TYPE  WATER COOLED TYPE  R-22 (phase out on 2040)  FAN COIL UNIT  AHU IS THE EQUIPMENT WHICH PUMPS THE DESIGNED QUANTITY OF DEHUMIDIFIED AIR TO RESPECTIVE AREAS BY MEANS OF DUCTING.  BASIC AIR HANDLING UNIT (AHU) CONSISTS OF:- a)FAN SECTION WITH CENTRIFUGAL FAN AND b)COIL SECTION WITH COIL c)FILTER SECTION WITH FILTERS  TYPES OF AIR HANDLING UNITS (AHU) a) SINGLE SKINNED AHU b) DOUBLE SKINNED AHU  DEPENDING ON SPACE AVAILABILITY FOR AHU , THE AHUs ARE CLASSIFIED AS UNDER:- c) CEILING SUSPENDED UNIT  TYPE OF AHU DEPENDING UPON LOCATION OF FAN:- a) DRAW THROUGH TYPE:- FAN IS LOCATED AFTER COOLING COIL b) BLOW THROUGH TYPE:- FAN IS LOCATED BEFORE COOLING COIL

 FOLLOWING ACCESSORIES CAN BE INCORPORATED IN AHU AS PER SYSTEM f) PLENUM FOR FINE AND HEPA FILTERS g) HEAT RECOVERY WHEEL  NATURAL DRAFT TYPE  INDUCED DRAFT TYPE  FORCED DRAFT TYPE TYPES OF COMMONLY USED PUMPS  POLYURETHANE FOAM SECTIONS  FIBRE GLASS WOOL TYPES OF GRILLS AND SCHEMATIC DIAGRAM FOR CHILLED SCHEMATIC DIAGRAM FOR CONDENSOR APPLICATIONS OF VENTILATION SYSTEM  CAR PARK AT BASEMENTS TYPES OF FANS USED FOR  AXIAL FLOW FANS:- b) TUBE AXIAL TYPE c) VANE AXIAL TYPE  GLOBAL AWARENESS TOWARDS ENERGY SAVINGS IS REFLECTED IN HVAC INDUSTRY.  ENERGY EFFICIENT EQUIPMENT ARE NEED OF  HEAT RECOVERY WHEELS  THERMAL STORAGE SYSTEM HVAC IS COMMITTED TO : PROVIDE MAXIMUM CONFORT TO HUMAN BEING  TO SATISFY THE INDUSTRIAL NEEDS F1 Series 800-2,000 cfm (Horizontal and Vertical Indoor) V3 Series 450-10,000 cfm (Vertical Indoor)

SA Series 5,300-27,000 cfm (Vertical Indoor) M2 Series 1,000-14,500 cfm (Indoor and Outdoor Modular) M3 Series 6,400-52,000 cfm (Indoor and Outdoor Modular) RQ Series 800-2,400 cfm (Outdoor) RN Series 1,700-28,000 cfm (Outdoor) RL Series 6,000-60,000 cfm (Outdoor) CB Series 2-5 tons CC Series 2-63 tons CL Series 35-230 tons AAON H3 Series horizontal indoor air handling units are designed and engineered for a wide variety of heating, cooling, dehumidification, and ventilation applications. Double wall rigid polyurethane foam injected cabinet construction and variable speed direct drive backward curved plenum fans provide the H3 Series with quiet, energy efficient performance. All dimensions are in inches *Length may vary depending on options selected Design cfm may be 30-50% greater or less than nominal cfm.Sign up for Exclusive Hastings HVAC Pictorials and Instructional Videos on finding Specification Plates and other useful diagnostic information using the link below!

Hastings HVAC Sign Up Hastings accepts government credit cards. 1.       Quotations on replacement part(s) are valid for 5 days from the date of quotation. If the Hastings HVAC, Inc. sales representative initiates a request for a quotation for replacement part(s) prior to any request from another party, the sales representative shall have priority in securing the replacement parts order for a period of 30 days from the date of quotation. If the Hastings HVAC, Inc. sales representative initiates a request for a quotation for replacement part(s) after another party has initiated the same request, the representative shall be quoted the replacement part(s) at the sales representative multiplier, however, the sales representative will not have priority in securing the replacement part(s) order. If the Hastings HVAC, Inc. sales representative secures the replacement part(s) order but does not elect to be the “sold to party”, they may elect to have the replacement part(s) order billed directly to the customer, and shall receive a 10% commission based on the invoiced value of the replacement part(s) excluding freight costs, provided the replacement part(s) order exceeds $100.00.

Hastings HVAC, Inc. has established a discount multiplier schedule that will apply to Hastings HVAC, Inc. representatives, service contractors, distributors, and end users. All replacement parts orders are warranted for a maximum period of 90 days from date of shipment.  Any replacement parts failures within the 90 day warranty period shall be replaced free of charge, excluding labor.  All replacement parts failures must be returned to Hastings HVAC, Inc. within 30 days of the ship date of the warranty replacement parts and must utilize the “RGA” tag provided by Hastings HVAC, Inc. for reference.  All returns must be prepaid by shipper, as Hastings HVAC, Inc. will not accept any C.O.D. shipments. Toll free: 1-800-228-4243 or 1-800-228-4270 This report is included with Hastings equipment packets.  For compliance with warranty, it is required to be filled out and a copy returned to Hastings HVAC at time of start-up.  If a blank form is needed, click here. Request for Start-up Form.pdf