Installation manual

Glycol Cooled/GLYCOOL™ Models
37
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 0 10 20 30 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
DISCONTINUED
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