Trends and Technologies in HVAC Systems and Controls
C Subramaniam National President Elect, ISHRAE
LEED Accredited Professional ISHRAE DL
Incorporate the best design practices in HVAC Systems
Energy Efficient Strategies to be adopted
Understand the current trends and technologies
Achieve operational excellence through integrated BMS
Trends and Technologies in HVAC Systems and Controls
HVAC is a major energy consuming component in a facility ….
Air conditioning
40%
Lighting / Raw power 15%
Core Load UPS etc 40%
Misc. 5%
5
…and always needs a very special focus
Exploring Energy Management
Meter is on the Building
Five Cycles of an HVAC System
building automation system
Air Loop
CHW
Loo
p
Refrigeration Loop
Heat Rejection Loop
Controls Loop
Each and every component of these loops has an impact on Energy Consumed
ROOM AIR DIFFUSION METHODS
TYPES OF SYSTEMS Mixing Systems.
Displacement Systems. Under floor Air Distribution
Systems.
ROOM AIR DIFFUSION METHODS
ROOM AIR DIFFUSION METHODS
ROOM AIR DIFFUSION METHODS
ROOM AIR DIFFUSION METHODS
Chilled Water Systems District Cooling Systems
Refrigeration Equipment
Water Cooled Systems
high delta T Chillers (14 degF)
across evaporator and condenser
Heat Rejection Components
Chiller Tower Optimization
Chilled Water Systems
kW
Condenser water temperature (°F)
Low Flow, Low Temperature, High Efficiency Systems
air handlers
controls
chillers piping
ductwork
Airflow Optimization & Energy Savings
Low Flow Rates Save in First Cost, and Improve Dehumidification
Temperature differential
Supply temperature Flow rates Fans
Ductwork
Pump
Piping
Alternative cooling strategies • Evaporative cooling • Radiant cooling/Chilled beams • High efficient equipments
• Chillers with Magnetic bearings • Solar Cooling
Radiant cooling pipes embedded in the slabs 16
Controls for Airside and CHW Side
Unit level
System Level
Management Level
Chiller Plant Management System
Retro Commissioning
BAS Controls – Operational Excellence
Controls is a critical aspect to help achieve Energy Savings in a HVAC System
unit-level control
system-level control
building management
Chiller Plant Manager
AHU Screen
Instantaneous power Kw, Energy and Power consumption Kwh & EPI,
Total Chiller load, Outside T&Rh
BMS Dashboards
Hourly Total Load Analysis
Measure, Monitor & Control
Dashboard ? Cars in 1914
Dashboard Cars today
Why both are similar – because both run on FUEL
Five Cycles of an HVAC System – Incorporate Current Technology Solutions
building automation system system-level controller
Air Loop
CHW
Loo
p
Refrigeration Loop
Heat Rejection Loop
Controls Loop
Each and every component contributes to Energy Savings
Total Cost of Ownership Approach
First cost (installed cost)
Energy Cost Performance Problems
Equipment Failure
Start-up Delays Engineering Cost
Refrigerant Issues
Indoor Air Quality
Construction Change Orders
Price
Tenant Comfort
Hidden costs (operation and maintenance costs)
S – Systematic and Integrated approach M – Measurable and Controllable A – Adaptive R – Recurring Savings T – Trends and Technologies
Trends and Technologies in HVAC Systems and Controls
If You Want Something You’ve Never Had . . . You’re Going To Have To Do Something that You’ve Never Done . . .
Incorporate the best design practices in HVAC Systems
Understand the current trends and technologies
Importance of the BMS and the dashboard
Achieve operational excellence
Trends and Technologies in HVAC Systems and Controls
ISHRAE
Vision
To be recognized as a leading body involved in meeting the Technical and Training
requirements of HVAC&R Industry & engage with the Building Services Industry
ISHRAE
THEME OF THE YEAR 2017-18
ISHRAE
“BEST IS ALWAYS A JOURNEY AND NOT THE DESTINATION”
CHAPTER OPERATIONS PROGRAMS
425 PROGRAMS CONDUCTED : 200+ PLANNED IN CALENDAR - FUTURE SOME VERY INNOVATIVE THEMES / TOPICS COVERING THE LATEST TRENDS AND
TECHNOLOGIES IN THE FIELD OF HVAC URJAVARAN : 24 LOCATIONS. REFCON : 6 LOCATIONS NATIONAL PROGRAMS : CONFLUENCE / SYMPOSIA / TECHFEST – DIFFERNET
LEVELS
6 ALREADY DONE AND PLAN TO HAVE 2 PER MONTH
Objectives of the year
TECHNICALCONTENT
SKILL DEVELOPMENT
EDUCATION & CERTIFICATION
GOVT CONNECT
STUDENT CONNECT
INVOLVE MORE
RESEARCH & INNOVATION
REF / COLD CHAIN FOCUS
ISHRAE
INDUSTRY ENGAGE
ISHRAE
KNOWLEDGE BANK Articles with search options – PHASE 1
LAUNCHED
HVAC glossary with 3000 definations ready – will be loaded in October
Videos : 9 videos recorded – to be loaded soon
Case Studies : Ready and to be loaded in September
Student project reports - to be loaded soon
ONLINE FORUM
Corrosion Air Purifier guide
GUIDEBOOKS – 10 NOS
> HVAC Design Guide : Application based Auditorium / Data centre / Health Care / Restaurant / School / Audio Studio > Maintenance Guide for Equipment's Chiller / Cooling tower / Pump / VRF…
TEAMS FORMED AND W.I.P
INVOLVE MORE
TECHNICAL CONTENT
ISHRAE
STANDARDS (in process)
• VRF Rating & Performance Testing
• UNDER closure
• AHU Rating & Performance Testing
• Base case Performance Curve for Simulation
• WITH IGBC
• Chiller Standard Review & Defining MEPS
• SCHEDULED IN 2018
• Well-Being Standard (In collaboration with IGBC)
• IEQ Standard Implementation
Methodology – IIT Chennai / MNIT Jaipur – WORK in PROGRESS
• Modelling and validation of
corrosion, fouling and scaling in air cooled condensers and effect of prognostic maintenance Impact of degradation of coils of air cooled systems
RESEARCH & INNOVATION
TECHNICAL GROUPS
Let’s catalyze the research that
brings technologies of tomorrow
Advanced Engg. Diploma course (IIE) : Delhi & Bengaluru
First franchisee at C V Raman – Bhubaneshwar –
Mumbai planning to start Distance learning module –
ready for launch
ISHRAE Certified Professional Ac design – 9 locations AC Service – 22 locations Clean room – 1 locations NEW Draftsmen – Commissioning Refrigeration AC Service level 2 – chiller
service
Workshops Architect HVAC workshop
ready
Train the trainers
ISHRAE EDUCATION & CERTIFICATION
SKILL DEVELOPMENT
ADVOCACY
ASSOCIATE SOCIETIES • AIR PURIFIER GUIDE BOOK –
IAQA
• IEQ in High Performance NZEB Schools – REHVA (EUROPEAN FEDERATION )
• WELLNESS STANDARD – IGBC
• ARTICLE EXCHANGE – IIIR / CAR / REHVA
• COLLABORATION WITH ASIA HEAT PUMP & THERMAL STORAGE NETWORK
• JOINT PROGRAMS WITH ASHRAE / RATA / IGBC / IAEMP / FSAI / IPA / ASSOCHAM etc.
ACADEMIA CONNECT
• ISHRAE TRAINED TEACHERS ( RAC ) PROGRAM – WITH A.I.C.T.E. ENDORSEMENT
• RAC COURSE FOR ENGINEERING STUDENTS – HANDED OVER TO A.I.C.T.E – VERBALLY ACCEPTED
• HVAC COURSE – REEFINE FOR
ARCHITECTURE STUDENTS WITH C.O.A
ADVOCACY
GOVT. CONNECT
• BEE : ECBC update.
• BIS : Role in NBC.
• NCCD/ Min. of Agr. : Cold Chain Promotion.
• MoEFCC : Montreal Protocol / Refrigerants.
• Min. of Petroleum : Reduction in Carbon footprint.
• Min. of Power: NZEB
• Min. of Urban Dev.- Smart Cities
• Pollution Board- Air Quality
OTHER
• MISSION INNOVATION WORKSHOP – D.S.T : panelist and advisor
• LECaVIR : low energy cooling & ventilation for Indian residences – UK UNIVERSITY & CEPT – ISHRAE IS ADVISOR
• UNEP / UNDP : OZONE2CLIMATE ROUNDTABLE : IHRAE WAS SUPPORTNG ASSOCIATION
• SMART CITY CUMMIT in DUBAI by CREDAI – ISHRAE is ASSOCIATE SOCIETY
• BANGLADESH INDUSTRIAL EXPO – ISHRAE is Strategic partner
C Subramaniam National President Elect, ISHRAE LEED Accredited Professional ISHRAE DL M: +91 96322 95888 Email: [email protected]
Thank You
Trends and Technologies and ISHRAE’s Initiatives