Carrier 30HXC - Evaporator Water Flow (L;S) for 35% Ethylene Glycol

24

Evaporator leaving water temperature, °C

1. Evaporator∆T=4Kmax.-condenser∆T=5K
2. Operatingrangeapplicableforfullandreducedload
3. Atfullloadwithacondenserenteringwatertemperaturebelow20°C,athree-wayvalvemustbeusedtomaintainthecorrectcondensingtemperature.

C Unitoperatingwithacondensingpressurecontrolwithananaloguewatercontrolvalve.
 Fortransientoperatingmodes(start-upandpartload),theunitcanoperatedowntoacondenserwatertemperatureof13°C.
D Operationpermitted,butperformancesisnotoptimized
Condenser entering water temperature, °C
Condenser entering water temperature, °C
Evaporator leaving water temperature, °C
50
48
44
20
15
13
D
C
-7 0 4 13 15


  
 8.0 15.7
110 10.6 21.3
130 12.4 25.1
155 14.5 28.1
175 15.6 33.0
200 20.5 38.0
230 21.0 39.7
260 24.1 48.3
310 29.6 62.0
345 30.2 63.0
* BasedonaReynoldsnumberof4000
** Basedonawatervelocityof3.6m/s
Evaporator water ow (l/s) for 30% propylene glycol
  
 11.1 15.7
110 14.2 21.3
130 16.7 25.1
155 19.1 28.1
175 21.1 33.0
200 25.1 38.0
230 27.4 39.7
260 32.3 48.3
310 40.0 62.0
345 40.6 63.0