Air Cooled Screw Compressor Chillers Models AGS140-200D Packaged Models AGS140-210D Remote Evaporator 140-200 tons (490-703 kW) Engineered for flexibility and performance™

Cutaway View of an AGS-170DS Chiller Typical of Models AGS 140D through AGS 210D Large Electrical Panel for Ease of Service Large Open Area Under Condensers Provides Excellent Room for Service Cir #2 Two High- Efficiency Screw Compressors Two-Circuit Direct Expansion Evaporator Filter-Driers and Other Components Readily Accessible Heavy-Duty Steel Base for Superior Strength Model Code A G S XXX D S Air-Cooled Global Product Line Screw Compressor Nominal Tons S = Standard Efficiency, Packaged Unit M = Standard Efficiency, Remote Evaporator E = High Efficiency, Packaged Unit F = High Efficiency,...

Manufactured in an ISO Certified Facility Document: Issue Date: Revised Replaces: CAT 610-1 December 2008 August 2012 March 2012 © 2013 Daikin Applied. Illustrations and data cover the Daikin product at the time of publication and we reserve the right to make changes in design and construction at anytime without notice. ™® The following are trademarks or registered trademarks of their respective companies: BACnet from ASHRAE; LONMARK, LonTalk, LONW ORKS, and the LONMARK logo are managed, granted and used by LONMARK International under a license granted by Echelon Corporation; Compliant Scroll...

Introduction The AGSD air-cooled, screw chillers continue Daikin’s legacy of high quality, high efficiency, latest technology and quiet operation. Our model AGS units utilize an advanced compressor design utilizing R-134a refrigerant. Superior control is provided by the innovative MicroTech II family of controllers. Interface with your building’s automation system with the Daikin Open Choices feature using factory-installed LonTalk, BACnet or Modbus communication modules. Daikin chillers continue to be the only air-cooled screw compressor chiller with superior solid state starters as standard...

Customer Benefits Low Operating Costs – High Efficiency Operation The AGS chiller uses the Daikin screw compressor design and large condenser coil surface areas for maximum heat transfer. Large condenser fans are used to move large volumes of air across the heat exchangers. A single-pass, pure counter-flow, low refrigerant pressure drop, direct expansion evaporator provides superior performance. Superior Motor Control--Solid State Starters--Our Standard Offering Condenser Coil Direct Expansion Evaporator Daikin chillers are the ONLY units available that provide the superior motor control of solid-state...

R-134a Refrigerant All Daikin AGS chillers use R-134a. It has no ozone depletion potential, is environmentally safe and does not have a phase-out date. MicroTech II Controls The MicroTech II unit controller provides an easy to use control environment. The control logic is designed to provide maximum efficiency, to continue operation in unusual operating conditions and provide a history of operating conditions. Perhaps the greatest benefit is Daikin’s Open Choices feature that allows easy interfacing with your BAS of choice using LONMARK, BACnet, or Modbus communications without costly gateways....

Features Compressor Superior Efficiency • Zero clearance fit between the two gaterotors and main screw rotor virtually eliminates leakage between the high and low-pressure sides during compression. Special gaterotor material made from an advanced composite, temperature stable material makes a zero clearance design possible. The AGS air-cooled chiller is equipped with the most advanced means of refrigerant flow control available. An electronic expansion valve coupled with the MicroTech II controller's control logic provides excellent operating efficiencies at both full and part load operation....

Excellent Serviceability • Field serviceability has not been sacrificed to meet design performance objectives. Compressors are equipped with combination discharge check and shutoff valves. Suction service valves are available as an option. • Compressors are located on the outside edges of the base allowing ready access. • The "W" shaped coil provides good headroom under the unit for inspection and service. • The MicroTech II controller gives detailed information on the causes of an alarm or fault. Standard Solid State Starters Figure 1, Solid State Starter The addition of solid-state starters...

AHRI Certification The AHRI certification program does not include units with capacities in excess of 200 tons, remote evaporator models or applications using non-water fluids. However, rating and testing procedures follow the AHRI standard applicable to the included units. Figure 2, Piping Schematic, Packaged Unit, One Circuit Shown, with Economizer Figure 3, Piping Schematic, Packaged Unit, One Circuit Shown, without Economizer

Controls MicroTech II Controller, the Ultimate Control System The controller provides a user-friendly environment for the operator. The control logic is designed to provide maximum efficiency, to continue proper operation in unusual operating conditions and provide a history of operating conditions. • The MicroTech II chiller controller is an advanced microprocessor-based control that maintains a precise and stable leaving chilled fluid temperature. This advanced logic means compressor cycling is minimized, reducing wear on both compressor and MicroTech II Control Panel starting components. Stand-alone...

Keypad/Display Left Arrow Key and Red Alarm Light Key to Screen Pathway ARROW Keys (4) ENTER Key and Green Comp. Run Light Building Automation System (BAS) Interface All MicroTech II controllers are capable of BAS communications when equipped with an optional Open Choices™ factory-installed communication module. This option provides easy integration and comprehensive monitoring, control, and two-way data exchange using industry standard protocols such as LonTalk, Modbus or BACnet. Optional Open Choice Benefits • Easy to integrate into your building automation system of choice Factory-installed...