Carrier AQUASNAP AIR COOLED CHILLERS WITH COMFORTLINK CONTROLS 30RAP010-060 User Manual

Name: Carrier AQUASNAP AIR COOLED CHILLERS WITH COMFORTLINK CONTROLS 30RAP010-060
Brand: Carrier
Rating: 4 (1 reviews)

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113

APPENDIX E — MAINTENANCE SUMMARY AND LOG SHEETS (cont)

30RAP Seasonal Shutdown Log

NOTE: Equipment failures caused by lack of adherence to the Maintenance Interval Requirements

are not covered under warranty.

Month 123456789101112

Date / / / / / / / / / / / / / / / / / / / / / / / /

Operator

UNIT SECTION ACTION ENTRY

Cooler

Isolate and Drain Cooler

Add Glycol for Freeze Protection

Controls Do Not Disconnect Control Power

Table of Contents1
Safety Considerations2
- Unit Sizes3
- Scrolling Marquee Display3
General3
Conventions Used in this Manual3
Basic Controls Usage3
- 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
General19
Main Base Board (MBB)19
Energy Management Module (EMM)19
Current Sensor Board (CSB)19
AUX Board (AUX)19
Expansion Valve Board (EXV)19
Enable/Off/Remote Contact Switch19
Emergency On/Off Switch19
Board Addresses19
Control Module Communication19
- 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
Energy Management Module29
Loss-Of-Cooler Flow Protection29
- Minutes Left for Start29
- Minutes off Time29
- Lead/Lag Determination30
- Capacity Control Overrides30
- Deadband Multiplier31
Electronic Expansion Valves (EXV)29
Capacity Control29
Operating Envelope for R-410A Compressor32
Head Pressure Control32
Operation of Machine Based on Control Method and Cooling Set Point Selection Settings32
- Fan Stages33
- 30RAP Condenser Fan Layout33
Cooling Set Point Select33
Low Sound Mode Operation34
Heating Operation34
Service Test34
Optional Factory-Installed Hydronic Package34
Cooler Pump Control34
Cooler Pump Sequence of Operation35
Configuring and Operating Dual Chiller Control36
- Dual Chiller Configuration37
- Dual Leaving Water Thermistor Well38
- Dual Chiller Thermistor Location38
Temperature Reset38
- 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
- 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
- Sight Glass Location45
- Minimum Cooler Flow Rates and Minimum Loop Volume45
Start-Up and Operation45
Actual Start-Up45
Check Refrigerant Charge45
Temperature Limits for Standard 30RAP Units46
Operating Limitations46
Operation Sequence46
Service47
Electronic Components47
Electronic Expansion Valve (EXV)47
EXV Troubleshooting Procedure47
- Electronic Expansion Valve Details48
- EXV Cable Connections to EXV Module49
- Unit Torque Specification49
Compressor Replacement49
Cooler49
Oil Charge50
Microchannel Heat Exchanger (MCHX) Condenser Coil Maintenance and Cleaning50
- Recommendations50
  - Compressor Location — 30RAP010-03051
  - Compressor Location — 30RAP035-06051
Check Refrigerant Feed Components50
- Brazed-Plate Cooler Heat Exchanger50
Thermistor/Temperature Sensor Check52
Check Unit Safeties52
- Cooler Freeze-Up Protection52
Thermistors52
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
Hydronic Package63
Recommended Maintenance Schedule63
Complete Unit Stoppage and Restart64
Microchannel Heat Exchanger (MCHX) Condenser Coil Maintenance and Cleaning64
- Recommendations64
Troubleshooting64

Brand	Carrier
Model	AQUASNAP AIR COOLED CHILLERS WITH COMFORTLINK CONTROLS 30RAP010-060
Category	Air Conditioner
Language	English

Carrier AQUASNAP AIR COOLED CHILLERS WITH COMFORTLINK CONTROLS 30RAP010-060 User Manual

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