CHILLER OPTIMIZER ENERGY SAVING FOR CHILLERS

THE PAN PACIFIC HOTEL, KUALA LUMPUR

Summary of Project
The installation of the Optimizer at the Pan Pacific Hotel achieved two main objectives. The first was to generate significant energy savings and the second was to provide centralized monitoring and control of the chiller system. The Optimizer saves energy by utilizing the outside air to match chiller operation to the building load as close as possible which minimizes energy wastage. The Optimizer also provides a computer-based system to monitor chiller operation and allow adjustments to be made on site or remotely when the need arises.

Since the installation of the Optimizer in 1998, average consumption has decreased by 3000 kWh per day and MD by 300 units. Average savings are between RM 450 ($118.00) to RM 550 ($145.00) per day. Yearly savings have averaged RM 165,000 ($43,070). Estimated savings for five years is RM 825,000 ($215,350) at current tariff rates.

Average kWh Readings for Peak and Off Peak Hour DESCRIPTION (PER DAY) PEAK OFF PEAK WITHOUT OPTIMIZER 31,000 16,000 WITH OPTIMIZER 29,000 15,000 KW SAVINGS 2,000 1,000 RM SAVINGS (PER DAY) 2000 KWH @ 0.208 1000 KWH @ 0.128 $SAVINGS (0.0547 (Per Unit) RM 416 $109.00 RM 128 $34.00

Chiller Optimizer Data

Chiller Type - Hitachi / Three
Full Load Tons - 700 x 3
Full Load Amps - 102
Motor Voltage - 3300
Electrical cost in RM/kWh - 0.208 / 0.13 ($/kwh - 0.0547 / 0.0342)
No Building Automation System

With average savings of RM 165,000 ($43,070) per year, the simple pay back was nine months. Savings for five years at the current fixed electricity tariff will total RM 825,000 ($217,105).

CHILLER OPTIMIZER ENERGY SAVING FOR CHILLERS
The Pan Pacific Hotel Kuala Lumpur
july 1998	jan 2001
This Letter of Appreciation speaks for itself.

The Pan Pacific Hotel Kuala Lumpur

Jalan Putra
P.O Box 11468
50746 Kuala Lumpur
Chief Engineer : Mr. Rudy Chai
Tel No. : 6 03 - 40494112
Fax No. : 6 03 - 40417236
Email : rudy@panpacific-kl.com

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