Table Of Contents - Carrier AQUASNAP AIR COOLED CHILLERS WITH COMFORTLINK CONTROLS 30RAP010-060 Operation And Service Manual

Table of Contents

Table Of Contents1
Safety Considerations2
General3
Basic Controls Usage3
Unit Sizes3
Scrolling Marquee Display3
Conventions Used In This Manual3
Accessory Navigator Display Module4
Scrolling Marquee Display Menu Structure5
Controls5
Run Status Mode And Sub-Mode Directory6
Service Test Mode And Sub-Mode Directory8
Temperature Mode And Sub-Mode Directory9
Inputs Mode And Sub-Mode Directory10
Configuration Mode And Sub-Mode Directory12
Time Clock Mode And Sub-Mode Directory16
Operating Mode And Sub-Mode Directory17
Alarms Mode And Sub-Mode Directory17
Operating Modes18
Main Base Board (Mbb)19
Current Sensor Board (Csb)19
Aux Board (Aux)19
Energy Management Module (Emm)19
Expansion Valve Board (Exv)19
Enable/Off/Remote Contact Switch19
Emergency On/Off Switch19
Board Addresses19
Control Module Communication19
Carrier Comfort Network19
(Ccn) Interface19
Status Inputs20
Output Relays20
Ccn Communication Bus Wiring20
Sensors20
Compressor Return Gas Temperature Sensor20
Outdoor-Air Temperature Sensor (Oat)20
Discharge Temperature Thermistor (Dtt)20
Remote Space Temperature Sensor Or Dual20
Typical Control Box For 30Rap010,01522
Typical Control Box For 30Rap018-03022
Typical Wiring Schematic, 30Rap018-030 Units — Power Wiring24
Main Base Board28
Enable/Off/Remote Contact Switch/Emergency On/Off Switch Locations28
Typical Space Temperature Sensor Wiring28
Energy Management Module29
Electronic Expansion Valves (Exv)29
Capacity Control29
Loss-Of-Cooler Flow Protection29
Minutes Left For Start29
Minutes Off Time29
Lead/Lag Determination30
Capacity Control Overrides30
Deadband Multiplier31
Head Pressure Control32
Operating Envelope For R-410A Compressor32
Operation Of Machine Based On Control Method And Cooling Set Point Selection Settings32
Cooling Set Point Select33
30Rap Condenser Fan Layout33
Fan Stages33
Low Sound Mode Operation34
Heating Operation34
Service Test34
Cooler Pump Control34
Optional Factory-Installed Hydronic Package34
Cooler Pump Sequence Of Operation35
Configuring And Operating Dual Chiller Control36
Dual Chiller Configuration37
Temperature Reset38
Dual Chiller Thermistor Location38
Dual Leaving Water Thermistor Well38
Dual Chiller Configuration (Slave Chiller Example)39
4 To 20 Ma Reset40
Menu Configuration Of 4 To 20 Ma Cooling Set Point Control40
Configuring Outdoor Air And Space Temperature Reset41
Configuring Return Temperature Reset41
Outdoor-Air Temperature Reset42
Space Temperature Reset42
Standard Chilled Fluid Temperature Control — No Reset42
Demand Limit (2-Stage Switch Controlled)42
Externally Powered Demand Limit42
Demand Limit (Ccn Loadshed Controlled)43
Cooling Set Point (4 To 20 Ma)43
Configuring Demand Limit44
Digital Scroll Option44
Pre-Start-Up44
Digital Compressor Configuration44
System Check44
Start-Up And Operation45
Actual Start-Up45
Sight Glass Location45
Minimum Cooler Flow Rates And Minimum Loop Volume45
Check Refrigerant Charge45
Operating Limitations46
Operation Sequence46
Temperature Limits For Standard 30Rap Units46
Service47
Electronic Components47
Electronic Expansion Valve (Exv)47
Exv Troubleshooting Procedure47
Electronic Expansion Valve Details48
Compressor Replacement49
Exv Cable Connections To Exv Module49
Unit Torque Specification49
Cooler49
Oil Charge50
Check Refrigerant Feed Components50
Brazed-Plate Cooler Heat Exchanger50
Microchannel Heat Exchanger (Mchx) Condenser Coil Maintenance And Cleaning50
Recommendations50
Compressor Location — 30Rap010-03051
Compressor Location — 30Rap035-06051
Check Unit Safeties52
Cooler Freeze-Up Protection52
Thermistors52
Thermistor/Temperature Sensor Check52
Pressure Transducers53
Chilled Water Flow Switch53
Strainer53
Condenser Fans53
5K Thermistor Temperatures Vs. Resistance/Voltage Drop54
Mounted Fan Position58
Motormaster58
Controller58
Drive Programming59
Replacing Defective Modules59
Epm Chip59
Loss Of Ccn Communications59
Wiring Diagram60
Typical Motormaster Wiring60
Motormaster V Mode Buttons And Mode Display60
Fault Codes61
Motormaster V Program Parameters For Operating Modes62
Replacement Modules63
Hydronic Package63
Recommended Maintenance Schedule63
Troubleshooting64
Complete Unit Stoppage And Restart64
Advanced Scroll Temperature Protection Label65
Alarms And Alerts65
Recommended Minimum Cool Down Time After Compressor Is Stopped65
Alarm And Alert Codes67
Compressor Failure Alerts71
Possible Causes71
Compressor Stuck On Failure Alarms72
Display Tables74
Outputs Mode And Sub-Mode Directory78
Optional Bacnet Communications Wiring102
Address Rotary Switches102
Upc Open Controller102
Sw3 Protocol Switch Settings For Ms/Tp103
Baud Selection Table103
Dip Switches103
Network Wiring103
Bt485 Terminator Installation104
Ms/Tp Wiring Recommendations104
Open System Wiring Specifications And Recommended Vendors105
Bacview Device Connection105
Led Status Indicators106
Run And Error Leds Controller And Network Status Indication106
Network Points List107
Maintenance Summary And Log Sheets110
30Rap Maintenance Interval Requirements110
30Rap Monthly Maintenance Log112
30Rap Seasonal Shutdown Log113