Trane RTAC 185

RLC-SVX02G-E4
36
Installation - Mechanical
Chart 1 - Recommended Low Evaporator Refrigerant Cutout and % of Glycol for RTAC Chillers
2345678234567
41.2––33344–11223 2 -0.8 – – 8 9 9 10 – – 7 8 8 9 – 0 -2.8 – 13 13 14 15 16 – – 12 13 14 15 –
-2 -4.8 – 17 18 19 21 – – – 17 18 20 – – -4 -6.8 – 21 22 25 – – – – 21 23 – – – -5 -7.8 – 23 24 – – – – – 23 27 – – – -6 -8.8 – 25 28 – – – – – 25 – – – – -7 -9.8 – 27 – – – – – – 28 – – – – -8 -10.8 – 29 – – – – – – – – – – – -9 -11.8 – 32 – – – – – 29 – – – – –
-10 -12.8 – – – – – – – 31 – – – – – -11 -13.8 – – – – – – – 33 – – – – – -12 -14.8 34 – – – – – – – – – – – –
Chart 2 - Recommended Low Evaporator Refrigerant Cutout and % of Glycol for RTAC Chillers
2345 678234567
41.2––34456–22345 2 -0.8 – – 10 11 13 16 – – 9 10 11 14 – 0 -2.8 – 15 16 19 – – – – 15 17 – – –
-2 -4.8 – 21 – – – – – – 21 – – – – -4 -6.8 – – – – – – – – – – – – – -5 -7.8 – – – – – – – – – – – – – -6 -8.8 – – – – – – – – – – – – – -7 -9.8 – – – – – – – – – – – – – -8 -10.8 – – – – – – – – – – – – –
(1) Percent of glycol by weight - = Operation is not permitted CAUTION! Glycol concentration should always by equal or higher to the value given in this table. However, if the concentration is much higher than the value given, unit capacity will be uselessly reduced.
With ethylene glycol
Standard Units
High Efficiency units/Extra efficiency units
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
Chilled
Water
Set Point
Leaving
Water
Temperature
Cutout
Evaporator Fluid
Delta T °C
With monopropylene glycol
Standard Units
High Efficiency units/Extra efficiency units
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
%
Glycol (1)
Chilled
Water
Set Point
Leaving
Water
Temperature
Cutout
Evaporator Fluid
Delta T °C