AIREDALE OptiChill FreeCool - Specifiers Guide; Unit Identification; Introduction

Chillers
OptiChill™ FreeCool
Chillers
7
Technical Manual : 7197700 v1.5.0 10/15
Specifiers Guide
Unit identification
OFC
100
R
20
-
9
9
H
S
3
OptiChill Free Cool
Nominal Capacity (x10 kW, i.e. 1000kW)
Noise Variant -
(R) Regular Quiet
(X) Extra Quiet
Number of Fans
Circuit One Compressor Code
Circuit Two Compressor Code
Water Temperatures
(M) Medium
(H) High
Water Delta T
(S) Small
(L) Large
Evaporator Code
Introduction
The Airedale range of OptiChill Freecool liquid screw chillers covers the
nominal capacity range 750kW to 1250kW in over 180 models sizes. The
technical manual covers only 40 units showing a variety of configurations.
Further information can be obtained from your sales representative.
The OptiChill range is offered in Regular (R) or Extra Quiet (X) models and available as High
(H) or Medium (M) water temperatures with both Large (L) and Small (S) water temperatures
differential (T) to meet a wide range of applications.
High water temperature can be as high as 25 / 20°C
Medium water temperatures as standard are 15 / 10°C
Large T = 6, 7 and 8K
Small T = 4, 5 and 6K
Attention has been placed on offering a low energy high output performance and flexible
product, while keeping the sound and footprint to an absolute minimum.
Noise
Variant
No of Condenser
Fans
Water Temp
Temperature Differences
Regular (R)
or
Quiet (X)
16 Fan
Medium Water Temperature
Small Temperature Difference
18 Fan
20 Fan
High Water Temperatures
Large Temperature Difference
22 Fan
Example Units
OFC081R16-76MS2
OFC091R18-87HS4
Look out for the Energy Saving features and options symbol
ES
.
Refrigerants
The range has been designed and optimised for operation with ozone benign
R134a refrigerant.