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)

124 pages

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OIL

SIGHTGLASS

DISCHARGE

ACCESS

VALVE

FLOW

SWITCH

LWT

DTT

DISCHARGE

ACCESS

VALVE

DPT

HPS

RGT

SPT

SUCTION

ACCESS

VALVE

RGT

SPT

DPT

HPS

EWT

SUCTION

ACCESS

VALVE

FLOW

SWITCH

LWT

DTT

EWT

RGT

SPT

HPSDPT

COMPRESSOR A1

COMPRESSOR A2

Fig. 26 — Compressor Location — 30RAP010-030

Fig. 27 — Compressor Location — 30RAP035-060

LEGEND FOR FIG. 26 AND 27

DPT — Discharge Pressure Thermostat

DTT — Discharge Temperature Thermistor

EWT — Entering Water Thermistor

HPS — High Pressure Switch

LWT — Leaving Water Thermistor

RGT — Return Gas Thermistor

SPT — Suction Pressure Transducer

a30-4973

a30-4974

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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