Ashrae 90.1 & SS530 Min Performance

Minimum Chiller Plant Performance *Type of building: Large commercial buildings (150,000 ft2 and above) in Singapore Ashrae 90.1-2007 Baseline building Type Condition Min eff Units Remarks Chillers

Full load @ ARI std condn

Part load

CHWP

Full load

Part load

6 .1

COP

0 .5 8

Kwi / TON

6 .4

COP

0 .5 5

Kwi / TON

22

W / GPM

0 . 0 44

KWi / TON

-

Refer to table 6.8.1J for non std conditions

IPLV @ ARI std condn Refer to table 6.8.1J for non std conditions

CHW 44/56F

Decoupled system where sec pumps must

Minimum Chiller Plant Performance *Type of building: Large commercial buildings (150,000 ft2 and above) in Singapore GMv3 Reference building Type Condition Min eff Units Remarks Chillers

Full load @ ARI std condn

Part load

6.1

COP

0.58

Kwi / TON

-

No requirement for part load performance

-

CHWP

Full load

Part load

30

KWc / Kwi

0.117

Kwi / TON

-

No requirement for part load performance

Minimum Chiller Plant Performance Type of building: Large commercial buildings (150,000 ft2 and above) in Singapore Ashrae 90.1-2007 Baseline building Type AHU / FCU < 20,000cfm & constant volume

AHU>= 20,000cfm & constant volume

AHU / FCU < 20,000cfm & variable volume

AHU >= 20,000cfm & variable volume

Condition Full load

Full load

Full load

Min Eff 1.2

Units HP/1000cfm

Remarks HP refers to motor nameplate

0.90

KWi / 1000cfm

Assumes HP ~ HPi

1.1

HP/1000cfm

0.82

KWi / 1000cfm

1.7

HP/1000cfm

1.27

KWi / 1000cfm

Part load

-

Full load

1.5

HP/1000cfm

1.12

KWi / 1000cfm

Part load

-

1 Hp = 0.746 kW I cmh = 0.5885778 cfm

GreenMark v3 Reference building Type Constant volume system

Condition Full load

Variable volume Full load system

Part load

VSD fan with static pressure reset control

VSD fan with static pressure reset control

Min Eff 0.47

Units W / CMH

0.80

KWi / 1000cfm

0.74

W/ CMH

1.26

KWi / 1000cfm

-

Remarks

No requirement for part load performance