85
TRIMMING REFRIGERANT CHARGE — The 19XR
chiller is shipped with the correct charge for the design duty of
the chiller. Trimming the charge can best be accomplished
when the design load is available. To trim the charge, check the
temperature difference between the leaving chilled water tem-
perature and cooler refrigerant temperature at full load design
conditions. If necessary, add or remove refrigerant to bring the
6
10
7
1a
11
8
1b
5
3
4
2
PUMPOUT
COMPRESSOR
RELIEF
VALVE
PUMPOUT
CONDENSER
CHECK
VALVE
CONDENSER
COOLER
STORAGE VESSEL
OIL
SEPARATOR
Fig. 43 — Typical Optional Pumpout System Piping Schematic with Storage Tank
a19-2434
NOTE: Maintain at least 2 ft (610 mm) clearance around storage tank for service and operation work.
7
1a
11
8
1b
5
3
4
2
PUMPOUT
COMPRESSOR
OIL
SEPARATOR
RELIEF
VALVE
PUMPOUT
CONDENSER
CHECK
VALVE
CONDENSER
COOLER
Fig. 44 — Typical Optional Pumpout System Piping Schematic without Storage Tank
a19-2435
Summary of Contents for AquaEdge 19XR series
Page 69: ...69 Fig 33 19XR Leak Test Procedures a19 1625 ...
Page 154: ...154 Fig 64 Benshaw Inc Wye Delta Unit Mounted Starter Wiring Schematic Low Voltage a19 1873 ...
Page 161: ...161 Fig 69 Typical Low Voltage Variable Frequency Drive VFD Wiring Schematic 575 v ...
Page 162: ...162 Fig 69 Typical Low Voltage Variable Frequency Drive VFD Wiring Schematic 575 v cont ...
Page 186: ...186 APPENDIX B LEAD LAG WIRING 19XR Lead Lag Schematic Series Cooler Flow a19 1655 ...
Page 187: ...187 APPENDIX B LEAD LAG WIRING cont 19XR Lead Lag Schematic Parallel Cooler Flow a19 1717 ...