Emerson Liebert Deluxe System/3 DE Installation Manual download pdf (Page 45)

Glycol Cooled/GLYCOOL™ Models

Table 23 Room dew point temperatures °F (°C)

Dry Bulb Wet Bulb Relative Humidity Dew Point

70 (21.1) 57.2 (14.0) 45 48.9 (8.9)

70 (21.1) 58.5 (14.7) 50 50.5 (10.3)

72 (22.2) 58.9 (14.9) 45 50.0 (10.0)

72 (22.2) 60.0 (15.5) 50 52.4 (11.3)

75 (23.8) 61.2 (16.2) 45 52.4 (11.3)

75 (23.8) 62.5 (16.9) 50 55.0 (12.7)

*Minimum glycol temperature before condensation will occur.

Table 24 Glycol concentration

% Glycol by

Volume 0102030 40 50

Freezing Point

°F (°C) 32 (0) 25 (-3.9) 16 (-8.9) 5 (-15.0) -10 (-23.3) -32 (-35.5)

Apparent specific

Gravity @ 50

°F (10°C)

1.000 1.014 1.028 1.042 1.057 1.071

Table 25 Refrigerant control settings for glycol cooled units—psi (kPa)

Refrigerant Type Low Pressure Cut Out Low Pressure Cut In High Pressure Cut Out

R–22 20 (137.9) 65 (448.2) 360 (2482)

Table 26 Deluxe glycol volume approximate gal. (l) max

Model

(50 Hz)

Glycol

Cooled

GLYCOOL

Upflow Downflow

—72G 2.0 (7.5) 9.0 (34.0) 8.5 (32.0)

—110G/(111G) 2.0 (7.5) 9.0 (34.0) 8.5 (32.0)

—116G/(121G) 2.5 (9.5) 10.0 (38.0) 10.0 (38.0)

—192G 4.5 (17.0) 14.0 (53.0) 13.5 (51.0)

—240G 5.5 (21.0) 15.0 (57.0) 15.0 (57.0)

—265G 5.5 (21.0) – –

—363G 6.5 (24.6) 18.0 (68.1) 18.0 (68.1)

Table 27 Volume in standard Type L copper piping

Diameter (in.) Volume

Outside Inside gal./ft. l/m

1/2 0.123 0.008 0.01

5/8 0.545 0.012 0.15

3/4 0.666 0.018 0.22

7/8 0.785 0.025 0.31

1-1/8 1.025 0.043 0.53

1-3/8 1.265 0.065 0.81

1-5/8 1.505 0.092 1.15

2-1/8 1.985 0.161 2.00

2-5/8 2.465 0.248 3.08

3-1/8 2.945 0.354 4.40

3-5/8 3.425 0.479 5.95

4-1/8 3.905 0.622 7.73

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Emerson Liebert Deluxe System/3 DE Installation Manual Page 45

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