Flooded type water cooled screw chiller (PCB Control) MCAC-CTSM-2012-11
14
9. Water Flow
Balance the chilled water flow through the evaporator and the condenser water flow through the
condenser. The flow rates must fall between the minimum and maximum values shown in the below
table. Flow rates below the minimum values shown will result in laminar flow which will reduce efficiency,
cause erratic operation of the electronic expansion valve and could cause low temperature cutouts. On
the other hand, flow rates exceeding the maximum values shown can cause erosion on the heat
exchanges water connections and tubes, even piping breaking.
Variable chilled water flow through the heat exchanges while the compressor(s) are operating is not
recommended. The chiller control set points are based upon a constant flow and variable temperature.
Unit Model
CHILLED WATER CONDENSER WATER
MIN. FLOW
RATE
MAX. FLOW
RATE
MIN. FLOW
RATE
MAX. FLOW
RATE
SIZE m
3
/h GPM m
3
/h GPM m
3
/h GPM m
3
/h GPM
LSBLG365/MCFN
44 194 82 360 51 225 95 418
LSBLG465/MCFN 56 246 104 458 66 290 122 538
LSBLG560/MCFN 67 296 125 549 79 348 147 646
LSBLG750/MCFN 90 397 168 738 105 462 195 858
LSBLG825/MCFN 99 437 185 812 118 517 218 961
LSBLG925/MCFN 111 490 207 909 130 573 242 1064
LSBLG1120/MCFN 135 594 251 1104 158 696 294 1293
LSBLG1230/MCFN 148 653 276 1213 174 764 322 1419
LSBLG1500/MCFN 181 795 335 1476 210 924 390 1716
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