Carrier AQUASNAP 30RAP010-150 Controls, Start-up, Operation, Service, And Troubleshooting

Also see for AQUASNAP 30RAP010-150: Start up & operation manual Installation instructions Installation instructions Controls, start-up, operation, service, and troubleshooting

Carrier AQUASNAP 30RAP010-150 Controls, Start-up, Operation, Service, And Troubleshooting Manual pdf 126 page image

126INDEXActual start-up 46Alarms and alerts 71Compressor failure alerts 73Compessor stuck on failure alarms 73AUX board (AUX) 24BACnet communications option 114-122Basic controls usage 4Brine operation, chargeadjustment for 46Board addresses 24Brazed-plate cooler heat exchangerCleaning 55Replacement 55Capacity control 28Capacity control overrides 28Carrier Comfort Network® (CCN)interface 25CCN tables 100-112Chilled water flow switch 57Circuit breakers, open 69Complete unit stoppage and restart 69Compressor expansion board (CXB) 24Compressor replacement 52Compressor return gas temperature sen-sor 26Compressor safeties 70Condenser coil maintenance and cleaningrecommendations 55Condenser fans 63Configuring and operating dual chillercontrol 36Control box maintenance 69Control components 48Control module communication 24Controls 7-45Conventions used in this manual 3Cooler 55Cooler entering fluid sensor 26Cooler flow rates and loop volumes 46Cooler freeze-up protection 57Cooler leaving fluid sensor 26Cooler pump control 34Cooler pump sequence of operation 35Cooling load satisfied 69Cooling set point (4 to 20 mA) 34Cooling set point select 34Crankcase heater 52Current sensor board (CSB) 24Demand limit 432-stage switch controlled 43CCN loadshed controlled 44Externally powered (4 to 20 mAcontrolled) 43Digital compressor configuration 45Digital scroll operation 45Digital scroll option 45Discharge temperature thermistor (DTT)34Display tables 83-99Drive programming 64Dual leaving water temperaturesensor 26Electronic components 48Electronic expansion valve (EXV) 28,48Emergency on/off switch 24Enable/off/remote contact switch 24, 33Energy management module (EMM)24, 27EPM chip 64Expansion valve board (EXV) 24EXV troubleshooting procedure 49Factory settings for pump and manualstarters 113Fans 63Field servicing instructions (EXV) 49Filter drier 56Head pressure control 30Heat exchangerBrazed plate cooler heatexchanger 55MCHX condenser coil 55RTPF condenser coil 55Heater cable 57Heating operation 34High-pressure switch 56Hydronic package 34, 68Lead/lag determination 28Loading sequence select 28Loss of CCN communications 26Loss-of-cooler flow protection 27Low ambient operation 47Low saturated suction 69Low sound mode operation 34Main base board (MBB) 23Maintenance 69Maintenance summary and log sheets123-125Microchannel heat exchanger (MCHX)condenser coil 55Minimum load valve 56Minutes left for start 28Minutes off time 28Moisture-liquid indicator 56Motor overload protection 70Motormaster® V controller 63Navigator display module 7Oil charge 55Open 24-v control circuit breakers 69Operating limitations 46Operation of machine based on controlmethod and cooling set point selectionsettings 33Operation sequence 48Outdoor-air temperature sensor(OAT) 26Power failure, general 69Pre-start-up 45Pressure relief devices 56Pressure transducers 56Recommended maintenanceschedule 69Refrigerant charge, check 46Refrigerant feed components, check 56Remote space temperature sensor or dualleaving water temperature sensor 26Replacing defective modules 70RTPF condenser coils 55Safety considerations 2, 3Safeties 56Scrolling marquee display 4Sensors 26Service 48-66Service test 34Start-up and operation 45-48Start-up checklist for 30RAP liquidchiller CL-1 to CL-12Strainer 63System check 45Temperature reset 37Temperature operating limits 46Thermistor failure 57Thermistors 57Troubleshooting 69-82Valve motor replacement, EXV 50Valve replacement, EXV 50Voltage 47Winter shutdown 57