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Trane RTAC 150 Series

Trane RTAC 150 Series
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32 RTAC-SVX002A-EN
Installation Mechanical
Tab. III-03 – Glycol Recommendations
Ethylene Glycol Propilenglicol
DT 4 6 8 10 12 14 16 4 6 8 10 12 14 16
[F]
[C] -15 -14 -13 -12 -11 -10 -9 -15 -14 -13 -12 -11 -10 -9
Leaving Water Temperature (F/C)
38
3
- 5 5 5 5 6 - - 6 6 7 7 8 -
34
1
- 11 11 11 12 - - - 13 13 15 17 - -
30
-1
- 15 16 17 18 - - - 19 21 - - - -
28
-2
- 18 18 19 - - - - 22 - - - - -
26
-3
- 20 21 22 - - - - 25 - - - - -
24
-4
- 22 23 26 - - - - - - - - - -
22
-6
- 24 26 - - - - - - - - - - -
20
-7
- 26 30 - - - - - - - - - - -
18
-8
- 29 - - - - - - - - - - - -
16
-9
- 31 - - - - - - - - - - - -
14
-10
30 - - - - - - - - - - - - -
12
-11
32 - - - - - - - - - - - - -
10,4
-12
34 - - - - - - - - - - - - -
Tab. III-04 – Recommended Low Evaporator Refrigerant Cutout and % Glycol
% Glycol
Ethylene Glycol Propylene
Low Refrig. Temp Cutout Solution Freeze Point Low Refrig. Temp Cutout Solution Freeze Point
°F °C °F °C °F °C °F °C
0 28,0 -2,2 32,0 0,0 28,0 -2,2 32,0 0,0
5 25,0 -3,9 29,0 -1,7 25,3 -3,7 29,3 -1,5
10 21,5 -5,8 25,5 -3,6 22,4 -5,3 26,4 -3,1
15 17,5 -8,1 21,5 -5,8 19,1 -7,2 23,1 -4,9
20 12,8 -10,7 16,8 -8,4 15,3 -9,3 19,3 -7,1
25 7,4 -13,7 11,4 -11,4 10,8 -11,8 14,8 -9,6
30 1,1 -17,2 5,1 -15,0 5,3 -14,8 9,3 -12,6
35 -5,0 -20,6 -2,3 -19,1 -1,3 -19,5 2,7 -16,3
40 -5,0 -20,6 -10,8 -23,8 -5,0 -20,6 -5,2 -20,7
45 -5,0 -20,6 -20,7 -29,3 -5,0 -20,6 -14,6 -25,9
50 -5,0 -20,6 -32,1 -35,6 -5,0 -20,6 -25,8 -32,1
54 -5,0 -20,6 -42,3 -41,3 -5,0 -20,6 -36,1 -37,8
Chilled Water Temperature Cutout should be set to 5°F below the lowest allowable Chilled Water Set Point bases on the %Glycol.
These tables represent the MINIMUM RECOMMENDED glycol percentages for each operating condition
Operation is not recommended at certain operating conditions as some chillers may not satisfy maximum or minimum velocity requirements or minimum performance
requirements. Contact Trane Sales Representative for more information regarding the operating limits of a particular chiller.

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