Johnson Controls YORK Tempo YLAA Series - Heat Exchanger Flow, Gpm; Ethylene & Propylene Glycol Correction Factors; Table 3 - Ethylene and Propylene Glycol Correction Factors

JOHNSON CONTROLS
48
FORM 150.72-NM1 (1020)
Technical Data
Note: Water Pressure Drop Curves may extend past the minimum and maximum water ow ranges.
HEAT EXCHANGER FLOW, GPM
EVAPORATOR YLAA MODELS
A 70SE
B 80SE
C 91HE,100SE, 101HE, 115SE, 125HE
D 120SE, 141HE, 155SE
E 90SE
F 135SE, 150SE, 156HE, 170HE
G 175HE
YLAA Evaporator Pressure Drop (IP Units)
1.0
10.0
100.0
10 100 1000
Water Flow Rate (GPM)
Pressure Drop (ft H2O)
A
B
C
D
TABLE 3 – ETHYLENE AND PROPYLENE GLYCOL CORRECTION FACTORS
ETHYLENE GLYCOL
%
WEIGHT
TONS
kW
COMPR
GPM°F/
TON
PRESS
DROP
FREEZE
PT
10 0.985 0.997 24.1 1.034 26
20 0.981 0.996 24.9 1.062 16
30 0.974 0.995 26.1 1.096 5
40 0.966 0.991 27.5 1.134 -10
50 0.957 0.989 29.1 1.172 -32
PROPYLENE GLYCOL
%
WEIGHT
TONS
kW
COMPR
GPM°F/
TON
PRESS
DROP
FREEZE
PT
10 0.983 0.996 24.2 1.048 27
20 0.974 0.995 24.4 1.086 19
30 0.961 0.990 25.1 1.134 8
40 0.946 0.98 26.0 1.186 -5
50 0.928 0.984 27.2 1.247 -25