McQuay AGR 090AS User Manual

IOMM AGR AGR 055A through 100A 11
CAUTION
Do not use an automotive grade antifreeze. Industrial grade glycols must be used.
Automotive antifreeze contains inhibitors which will cause plating on the copper tubes
within the chiller evaporator. The type and handling of glycol used must be consistent with
local codes.
Table 4, Ethylene Glycol
% Freeze Point
E.G. °F °C Cap. kW GPM PD
10 26 -3 0.991 0.996 1.013 1.070
20 18 -8 0.982 0.992 1.040 1.129
30 7 -14 0.972 0.986 1.074 1.181
40 -7 -22 0.961 0.976 1.121 1.263
50 -28 -33 0.946 0.966 1.178 1.308
Table 5, Propylene Glycol
% Freeze Point
P.G. °F °C Cap. kW GPM PD
10 26 -3 0.987 0.992 1.010 1.068
20 19 -7 0.975 0.985 1.028 1.147
30 9 -13 0.962 0.978 1.050 1.248
40 -5 -21 0.946 0.971 1.078 1.366
50 -27 -33 0.929 0.965 1.116 1.481
Table 6, Capacity and Power Derates
Chilled Water Fouling Factor
Delta-T 0.00025 (0.044) 0.00075 (0.132) 0.00175 (0.308)
ALTITUDE °F °C Cap. kW Cap. kW Cap. kW
6 3.3 0.992 0.995 0.996 0.982 0.911 0.935
8 4.4 0.995 0.997 0.969 0.984 0.914 0.937
SEA 10 5.6 1.000 1.000 0.975 0.986 0.919 0.939
LEVEL 12 6.7 1.005 1.002 0.980 0.989 0.923 0.941
14 6.8 1.010 1.005 0.985 0.991 0.928 0.943
16 8.9 1.014 1.007 0.989 0.993 0.930 0.944
6 3.3 0.978 1.005 0.957 0.990 0.903 0.943
8 4.4 0.982 1.007 0.961 0.993 0.905 0.945
10 5.6 0.986 1.009 0.965 0.995 0.909 0.947
2000 feet 12 6.7 0.992 1.011 0.970 0.998 0.914 0.949
14 6.8 0.997 1.014 0.973 1.001 0.919 0.952
16 8.9 1.000 1.016 0.975 1.002 0.921 0.953
6 3.3 0.966 1.016 0.944 0.999 0.894 0.951
8 4.4 0.969 1.018 0.947 1.001 0.896 0.953
10 5.6 0.973 1.021 0.952 1.005 0.900 0.956
4000 feet 12 6.7 0.978 1.025 0.956 1.008 0.904 0.958
14 6.8 0.982 1.027 0.959 1.011 0.909 0.960
16 8.9 0.986 1.028 0.961 1.015 0.911 0.961
6 3.3 0.953 1.025 0.930 1.009 0.884 0.961
8 4.4 0.955 1.028 0.934 1.011 0.887 0.962
10 5.6 0.959 1.031 0.939 1.013 0.890 0.964
6000 feet 12 6.7 0.963 1.034 0.942 1.017 0.895 0.966
14 6.8 0.968 1.036 0.946 1.020 0.899 0.968
16 8.9 0.972 1.037 0.949 1.024 0.902 0.969

McQuay AGR 090AS Specifications

General

Brand	McQuay
Model	AGR 090AS
Category	Chiller
Language	English