Carrier 30XA080-500 Controls, Start-up, Operation, Service And Troubleshooting Instructions

Also see for 30XA325: Installation instructions Installation instructions

Carrier 30XA080-500 Controls, Start-up, Operation, Service And Troubleshooting Instructions Manual pdf 118 page image

Actual start-up 42Alarms and alerts 67Alarm codes 68-72Alarm descriptors 72-_'_2Capacity control 16Capacity control overrides 20Compressor stages and circuit cycling 16Compressor starts and run hours 16CCNCon{fi*rtLinkTM CCN communicationwiring 15Interface 15CCN control 29CCN global schedule 29CCN tables 101-112Condenser coilsCleaning E-coated coils 64Condenser fans 65Configuration set point limits 30Control methods 29CCN control 29CCN global schedule 29Switch control 29Time schedule 29Unit run status 30Controls 4-41Board addresses 14Capacity control 16Carrier Comfort Network@ interface 15(km{#,rtLink display menu structure 4Configuring the master chiller 17Configuring the slave chiller 18Control methods 29Control module communication 14Demand limit .;2Dual chiller control 15Electronic expansion valve (EXV) Board 9Emergency on/off switch 13Enable-off-remote contact switch 13Energy management module (EMM) 13, 14inputs and outputs 14EXV board inputs and outputs 10Fan board A outputs 12Fan board C inputs and outputs 13Fan board X outputs 12Fan boards 11Local equipment network 14Low ambient temperature head pressurecontrol 22Machine control 29Main Base Bo:trd 4Main Base Board inputs and outputs 5Navigator TM module 3Ramp loading 15Remote alarm and alert relays 40Temperature reset 31Cooler heat boltsTightening 63Cooler protection 66Chilled water flow switch 64Freeze protection 62Loss of fluid flow protection 62Low fluid temperature 62Plug components 63Tightening cooler heat bolts 63Tube plugging 62INDEXCooling set point selection SO4 to 20mA input 30Configuration set point limits 30Control methods and cooling set pointstable, 30Dual switch 30Ice mode 30Set point 1 30Set point 2 30Set point occupancy 30Denmnd limit $22-step switch controlled 322-step switch controlled configurationtable 39CCN loadshed controlled 40Demand limit signal 41Externally powered 40Externally powered den]and limitconfiguration table 40Electronic expansion valve 56Cutaway view of 57Filter drier 59Inspecting/opening .58Installing motor .5;_Liquid line service valve 59Moisture liquid indicator .5_'_Troubleshooting procedure 57Freeze protection 62Head pressure control. See low ambienttemperature head pressure controlLoss of fluid flow protection 62Low ambient head pressure control 22Fan Staging 23, 24Operating instructions 22Low fluid temperature 62Machine control 29Maintenance 66Minimum and nmximum cooler flow rotes 43Minimum fluid loop volume 42Navigator displayCon_fl,rtLink alarms mode 4, 100O*mfl*rtLink configuration mode 4, 9.5,96Comfl*rtLink inputs mode 4, 93()m_fl*rtLink operating mode 4, 100Comfl*rtLink outputs mode 4, 94C>n_ibrtLink pressure mode 4, 91Cbn_fl*rtLink rnn status mode 4, 8Z &_¢O,mfl,rtLink service test mode 4, 82, 89()m_fl*rtLink set points mode 4, 92O*mfl*rtLink temperature mode 4, 90Om_tortLink time clock mode 4, 97-99Navigator module 3Adjusting the backlight brightness 3Adjusting the contrast 3Co11_fi,rtLink display menu structure 4Operating linfitations 42Flow rote requirements 42Minimum and nmximum coolerflow rates 43Minimum fluid loop volume 42Voltage 42Plug components 63Recommended maintenance schedule 66Every 12 months (.¢_Every 3 months (.¢_Monthly 66Routine 66Refrigerant circuit 65Refrigerant feed componentsElectronic expansion valve 56Relief devices 66Safety considerations 2Safety devices 66Compressor protection 66Service 56-r'.¢_Coil maintenance and cleaning 64Compressors 59Condenser fans 65Cooler protection 61Electronic expansion valve (EXV) 56Refrigerant circuit 65Relief devices 66Safety devices 66Start-up 42-48Actual start-up 42Operating limitations 42Pre-start-up 41System check 41Start-up and operation. See Start-up ChecklistStart-up checklist CL- I m C1-8Switch control 29System check 41Temperature linfitsLow ambient operation 22Temperature reset 314to 20mA temperature reset 364 to 20mA temperature reset configurationtable 38Chilled water tempemturecontrol 34Outdoor air temperature reset 34Outdoor air temperature reset configurationtable 35Return water reset configuration 33Space ten]perature reset 36Space ten]perature reset configuration $7Thermistors .52Compressor return gas temperature 52Cooler entering fluid sensor .52Cooler leaving fluid sensor .52Dual chiller LWT 53Outdoor air temperature 52Remote space temperature .52Typical space temperature sensorwiring 53Time schedule 29Transducers 53, .5.5Troubleshooting 66-86Service test 82Tube plugging 62Copyright 2005 Carrier CorporationManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 533-00069 Printed in U.S.A. Form 30XA-1T Pg 118 12-05 Replaces: New