Carrier 19PV550 Installation, Operation And Maintenance Instructions

Also see for 19PV550: Control manual

Carrier 19PV550 Installation, Operation And Maintenance Instructions Manual pdf 21 page image

217.2 - Water connectionsThe water connections are Victaulic type connections. The inlet and outlet connection diameters are identical.Inlet/outlet diameters19PV 550 720 800 900 1010 1180 1300 1450 1600EvaporatorUnits without evaporator with one pass less (option 100C)Nominal diameter in 6 6 8 8 8 8 8 8 8Actual outside diameter mm 168,3 168,3 219,1 219,1 219,1 219,1 219,1 219,1 219,1Units with evaporator with one pass less (option 100C)Nominal diameter in 6 6 8 8 8 8 8 8 8Actual outside diameter mm 168,3 168,3 219,1 219,1 219,1 219,1 219,1 219,1 219,1CondenserUnits without condenser with one pass less (option 102C)Nominal diameter in 6 8 8 8 8 8 8 8 8Actual outside diameter mm 168,3 219,1 219,1 219,1 219,1 219,1 219,1 219,1 219,1Units with condenser with one pass less (option 102C)Nominal diameter in 6 8 8 8 8 8 8 8 8Actual outside diameter mm 168,3 219,1 219,1 219,1 219,1 219,1 219,1 219,1 219,17.3 - Flow controlEvaporator flow switch and chilled water pump interlockIMPORTANT: On 19PV units, the unit water flow switch mustbe energised. Failure to follow this instruction will void themanufacturer guarantee.The water flow switch is installed on the evaporator water inletand adjusted by the control, based on unit size and application. Ifadjustment is necessary, it must be carried out by qualifiedpersonnel trained by manufacturer Service.7.4 - Evaporator and condenser water box bolttighteningThe evaporator (and condenser) are of the shell and tube typewith removable water boxes to facilitate cleaning. Re-tighteningor tightening must be done in accordance with the illustration inthe example below.Water box tightening sequenceLegend1 Sequence 1: 1 2 3 4Sequence 2: 5 6 7 8Sequence 3: 9 10 11 12Sequence 4: 13 14 15 162 Tightening torqueBolt size M16 - 171 - 210 NmNOTE: Before this operation we recommend draining thecircuit and disconnecting the pipes to be sure that the boltsare correctly and uniformly tightened.7 - WATER CONNECTIONS