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: presidentelect@ishraehq.in

Thank You

Trends and Technologies and ISHRAE’s Initiatives