Case Study:New York Marriott MarquisBAS & Commissioning

Bill Michell, RPA, FMA, CEOE

Director of Engineering

Retro-Commissioning (’05-’06)NYSERDA co-funded study

Re-Commissioning of all major mechanical, AHU & VAV systems

Re-Commissioning and re-engineering of Steam systems

Electricity reduction of 3% and Steam reduction of 15%

Lighting Retrofit (’06 ROI Project)BOH Lighting conversion to T-8 lamps & electronic ballasts/LED Exit signs

Escalator lamps converted to Cold Cathode lamps

2 year ROI; 793,300 KWH annual reduction

Lighting Retrofit (’07 ROI Project)Replacement of Atrium rail guest corridor lighting with T-8 fixtures

2 year ROI; 625,464 KWH

Building Automation System (’08 ROI Project)

- Installation of Tridium BAS- Convergence Johnson Controls 9100 BAS & original Honeywell BAS- Installation of VFD’s- Integration of Chiller Plant, Hot Water System & Lighting Controls- Chiller Plant Optimization- 2.5 year ROI, annual reduction of 2,887,337 KWH

BAS Commissioning Features

- Graphics; Easy operator interface

- System operations easily verified

- Open protocol; convergence & integration of controls- Trending

- Scheduling Tools- Allows for ongoing Continuous Commissioning

The Home Page

Weather

Buttons for

quick access

to floors

Move up and

down building for hot link to

floors

Buttons for specific

building systems

The Floor Plan

Press Floor 8

Custom

Graphics

Each group is

listed with space names

The Floor Plan

AHU summary

for floor

Shades area unit

serves. Click AC 9-2AC 9-2 shades

this area

Schedules

Press the schedule icon

Schedules

Multiple times and

temperature settings

Rooms grouped by

area and space names

Special Event

Schedules

Drag time is up and

down as required

Schedules

Press the Home Hot Link Button

The Home Page

Press Chiller Plant

Tab Navigation

for Subtopics

Color shifts denote

override or status conditions

Right click allows

for commanding certain objects

Isolation

valve status

Cooling Towers

Chiller Plant

Supply Air

Conditions

Fan

Summary

Return Air

Conditions

Access to Setpoints,

Schedules, Trends

Typical Air Handler

Hydronic

Reheat

Temperature

Setpoint Control

Flow Setpoint

Control

Space

Conditions

Typical VAV

AO

1

DO

1

DO

2

IN

1

IN

6

IN

3

JACE 2IO-34 IN

4IN

2

SS ST

SS ST

IN

5

P

P

IN

7

IN

8

AO

2

M

AO

3

SS ST

SS ST

DO

3

IN

9

DO

4

IN

10

IN

11

IN

12

Typical forZone 2 and 3

Steam

CondensateReturn

Steam

CondensateSupply

ExistingPneumatic

Steam Valve

ExistingPneumatic

Steam Valve

New MotorizedMixing Valve

V-1

Recirc.

Pump 1

Recirc.Pump 2

Heater 1

Heater 2

PrimaryPump 1

PrimaryPump 2

Diaphragm

Tank

DCWS

Hot Water

Supply to Zone

Building

Load

M

AO

4**

P

AO

5*

IN

14*

IN

13*

ExistingPneumatic

Valve

IN

15**

IN

16**

New Motorized

Mixing Valve V-2

Domestic Hot Water

TITLE

Marriott Marquis Hot Water Controller LayoutDRAWN BY

Karl Zimmerman

DATE

9/12/06

FILENAME

marriott marquis hot water.vsd

Intercon Systems, Inc.1060 Holland Drive Suite 3D Boca Raton, FL 33487

Internet

Hotel EthernetSwitch

Intranet-connectedPC

with Internet Explorer

22/2 BACnet MS/TP

CAT5

Reliable Controls

Local LCD Interface

DO

1DO

2DO

3DO

4

C C

DO

5DO

6DO

7DO

8

C C

DO

9DO

10

C

AO

1AO

2AO

3AO

4

0V0V

AO

5AO

6AO

7AO

8

0V0V

UI

1UI

2UI

3UI

4G G

UI

5UI

6UI

7UI

8G G

UI

9UI

10UI

11UI

12G G

UI

13UI

14UI

15UI

16G G

H(+)

N(-)

24VAC

IO-34

ZONE 2

485 COM2

LAN1LAN2

232 COM1

WPM24V

s + -

JACE-201

#

Tridium JACE 201

120/24vac

H N

RIB RIB RIB RIB

24vac (-)

24vac (+)

+ - + - + - + -

MEP

Transducer

EP

Transducer

+ - + -

+

-

ZonePrimary

Pump 2

ZonePrimaryPump 1

ZoneRecirc

Pump 1

ZoneRecirc

Pump 2

ZoneHeater 2

SteamValve

ZoneHeater 1

SteamValve

Zone

MixingValve 1

Dom

estic C

WS T

em

p

Zone Pre

heate

d C

WS T

em

p

Zone Prim

. Pum

p 2

Sta

tus

Zone Prim

. Pum

p 1

Sta

tus

Zone Heate

r 2 H

WS In T

em

p

Zone Heate

r 1 H

WS In T

em

p

Zone Heate

r 2 H

WS O

ut Tem

p

Zone Heate

r 1 H

WS O

ut Tem

p

Zone Recirc. Pum

p 1

Sta

tus

Zone R

ecirc. Pum

p 2

Sta

tus

Zone H

WR T

em

p

Zone H

WS T

em

p

RIB

EP

Transducer

M

RIBXF split core current

switch

RIBU1C SPDT relay

UCP522 EP transducer tocontrol existing pneumatic

steam valves

3-way 24vac spring returnmodulating mixing valve(VGF31EM30/KAS-175-M)

10K Type III thermistorwith immersion well

CAT5

CAT5

9th Floor

M

+

-

Zone

MixingValve 2**

Ste

am

Condensate

Suppy T

em

p*

Ste

am

Condensate

Retu

rn T

em

p*

EP

Transducer

+ -

ZoneSteam

Cond.Valve*

Zone V

alv

e 1

HW

S T

em

p**

Zone V

alv

e 2

HW

S T

em

p**

IO-34

ZONE 3 (Same as Zone 2)

DO

1DO

2DO

3DO

4

C C

DO

5DO

6DO

7DO

8

C C

DO

9DO

10

C

AO

1AO

2AO

3AO

4

0V0V

AO

5AO

6AO

7AO

8

0V0V

UI

1UI

2UI

3UI

4G G

UI

5UI

6UI

7UI

8G G

UI

9UI

10UI

11UI

12G G

UI

13UI

14UI

15UI

16G G

H(+)

N(-)

24VAC

* Denotes Optional device

** Denotes option for 2 dedicated valves vs. single common control

valve

Domestic Hot Water

Heater

Temperature

Mixing Valve

Temperature Zone Supply

Temperature

Domestic Hot Water

Temperature

Time

Legend

Trend shows

Tower Fan power loss

Trends