Central Water Chiller | Outdoor Air-Cooled | 25 Ton

Model OACS-25D-MZC-2P

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Product Overview

These air-cooled central chillers use mechanical refrigeration to cool recirculated fluid that support industrial process cooling applications.
20°F to 70°F fluid temperature range.
Air-cooled water chillers use ambient air to dissipate process heat and efficiently runs in air temperature between -20°F to 95°F.
These systems are designed for outdoor installation in most types of climates. The air-cooled condenser, chiller zones, reservoir and pumping system are delivered as a complete package.

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Specifications

Specification Notes:

Since product innovation and improvement is our constant goal, all features and specifications are subject to change without notice or liability. Selection of certain optional features may change listed specifications.
Tons capacity at 12,000 BTU/ton per hour @ 50°F LWT @ 115°F condensing temperature. Capacities may be +/5% as reserved by the compressor manufacturer. Capacity multipliers are 50°F - 1.00 ; 40°F - .80 ; 30°F - .60 ; 20°F - .40.
Consult pump curve for exact pump performance.
Selection of optional pumps for higher flow rates will raise the minimum recommended operating temperature when no glycol is used.
Approximate dimensions. Not for construction purposes.
Full load amps are higher than run load amps and must be used for sizing disconnects and supply wiring. Not for construction. Consult factory for power requirements of unit as configured and on selected options.

Features

Options

Refrigerant Circuit
Condensers utilizing all EC fan motors for higher energy efficiency
Oversized condensers for higher efficiency and full rated performance in higher ambient conditions
Electrical
Main power disconnect switch
Control Instrument
Modbus TCP/IP RJ45
Remote control instrument display

Coolant Circuit
Automatic Low Flow Bypass
Automatic low flow bypass valve
Overhead piping kit
Supply & return isolation valves
Drain-back prevention system for use with overhead piping systems
Standby Pump : 5 HP : TEFC Motor
Higher flow or pressure process pumps
Choice of reservoir construction; Rotationally molded polyethylene or welded stainless steel
Frame Construction
External Filters

Control Instrument

MZC Series

Microprocessor based multizone controller
Independent intelligent zone boards
Compressors are staged individually
Continuous To Process temperature display
Continuous Setpoint temperature display
Selectable from process temperature display
Large temperature display windows
°F or °C temperature display
Refrigerant circuit indicator lights for
  - Probe
  - Low Flow
  - High Pressure
  - Low Pressure
  - Compressor
  - Freezestat
  - Capacity Control
Water circuit indicator lights for
  - Temperature Deviations
  - Low Pressure
  - ank Level
  - Probe, Phase
Selectable lead - lag mode
Soft Key Operators
SPI communications
Audible and visual alarm

Support Documents

Literature

1.7 MB

Updated on December 2022

Manual

3.7 MB

Updated on August 11, 2021

Product Image

Dual Zone model OACS-25D-MZC-2P

Model OACS-25D-MZC-2P shown. Image shown is typical. Actual unit appearance will vary according specifications and options.