Trane RTHD

144 RTHD-SVX01D-EN
Example For Ice Making: Chilled Water Setpoint (std. comfort cooling) = 45 F Full Load Delta T (across evaporator)= 6 F Ice Termination Setpoint (entering water temp.) = 26F Actual Leaving Solution Temperature = 26 - 6 = 20 F
21 15 4.5 27 7.9 7.1 25 10.5 9.7 23 13.1 20 14 3.1 28 6.5 5.8 26 9.2 8.5 24 11.9 19 13 1.6 30 5.0 4.4 27 7.8 7.3 25 10.7 18 12 0.1 31 3.5 3.1 29 6.5 6.0 27 9.4 17 11 -1.4 32 2.0 1.6 30 5.0 4.7 28 8.1 16 10 -2.9 33 0.5 0.2 31 3.6 3.3 29 6.7 15 9 -4.5 33 -1.1 -1.3 32 2.1 2.0 30 5.4 14 8 N/A 34 -2.8 -2.8 33 0.6 0.6 31 4.0 13 7 N/A 35 -4.4 -4.3 34 -0.9 -0.8 32 2.6 12 6 N/A 36 -6.1 N/A 34 -2.5 -2.3 33 1.1 11 5 N/A 37 -7.8 N/A 35 -4.1 -3.8 34 -0.4 10 4 N/A 38 -9.6 N/A 36 -5.7 -5.3 34 -1.9 Notes: * Refer to unit Model No. digits 6, 14, 21 1) Column “Chilled water Setpoint” becomes “Actual Leaving Soulution Temperature” for Ice Making. N/A means chiller is not to be applied at leaving evaporator water temperatures, which result in the LRTC setting below those shown in the table.
Table 32 Low Refrigerant Temperature, Ethylene Glycol, and Freeze Protection Settings
DDE, EDE, CBC* DFF, EFF, CDE, BCD, BBB, CFF* DGG, EGG, CEF*
Chilled Water Setpt (
°F)
1
Leaving Wtr Temp Cutout (
°F)
Low Rfgt Temp Cutout (°F)
Rec % Ethylene Glycol
Solution Freeze Point (°F)
Low Rfgt Temp Cutout (°F)
Rec % Ethylene Glycol
Solution Freeze Point (°F)
Low Rfgt Temp Cutout (°F)
Rec % Ethylene Glycol
Solution Freeze Point (°F)