Carrier AquaSnap 30MPA Series

To Next Page

To Previous Page

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53300170-01 Printed in U.S.A. Form 30MP-4T Pg 100 8-17 Replaces: 30MP-3T

 Carrier Corporation 2017

Main Page

Table of Contents1
Safety Considerations2
- Basic Control Usage3
- Unit Sizes3
General3
Conventions Used in this Manual3
Scrolling Marquee Display Menu Structure4
Controls4
- Operating Modes5
- Accessory Navigator Display Module6
- LANG (Language Selection)6
General7
Main Base Board (MBB)7
AUX Board (AUX)7
Energy Management Module (EMM)7
Current Sensor Board (CSB)7
Expansion Valve (EXV) Board7
Enable/Off/Remote Control Switch7
Emergency On/Off Switch7
Board Addresses7
Control Module Communication7
- Component, Power, and Control Drawings8
- Carrier Comfort Network (CCN) Interface13
- CCN Wiring Diagram13
- High Pressure Switch14
- Output Relays14
- Status Inputs14
- Thermistor Designations14
- Compressor Return Gas15
- Condenser Entering Fluid Sensor15
- Condenser Leaving Fluid Sensor15
- Cooler Entering Fluid Sensor15
- Cooler Leaving Fluid Sensor15
- Dual Leaving Water Temperature Sensor15
- Outdoor-Air Temperature Sensor15
- Space Temperature Sensor Wiring15
- Thermistors and Wells15
- Pressure Transducer Identification15
Energy Management Module16
Loss-Of-Cooler Flow Protection16
Condenser Flow Protection16
Thermostatic Expansion Valves (TXV)16
- Space Temperature Sensor16
- Minutes Left for Start17
- Space Temperature Averaging17
- Capacity Control Overrides18
  - Deadband Multiplier18
  - First Stage Override/Slow Change Override18
- Minutes off Time18
Electronic Expansion Valves (EXV)17
Capacity Control17
- Time Required Configuration20
- Day and Date Required Configurations20
- Broadcast Required Configurations20
Time, Day, and Date20
Daylight Savings Required Configurations21
Operation of Machine Based on Control Method21
- Holiday Required Configurations22
- Occupancy Schedule Required Configurations23
- CCN Global Schedule24
- Timed Override24
Cooling Set Point Select25
Ice Mode25
Cooler Pump Control25
Alarm Routing25
- Control Methods and Cooling Set Points26
- Alarm Routing Control26
- Condenser Pump/Condenser Fan Output Control27
Cooler Pump Sequence of Operation27
Configuring and Operating Dual Chiller Control27
- Dual Chiller Configuration (Master Chiller Example)28
- Dual Chiller Configuration (Slave Chiller Example)30
- Brass Well Thermistor31
- Dual Chiller Thermistor Location31
- Dual Leaving Water Thermistor Well31
Temperature Reset31
- 4 To 20 Ma Reset32
- Configuring Outdoor Air and Space Temperature Reset32
- Menu Configuration of 4 to 20 Ma Cooling Set Point Control32
- Configuring Return Temperature Reset33
- Outdoor-Air Temperature Reset33
- Return Fluid Reset33
- Space Temperature Reset33
- 4 To 20-Ma Demand Limiting34
- DEMAND LIMIT (2-Stage Switch Controlled)34
- DEMAND LIMIT (CCN Loadshed Controlled)34
- Externally Powered Demand Limit34
- Configuring Demand Limit35
Cooling Set Point (4 to 20 Ma)34
Configuring Minimum Load Control36
Digital Scroll Option36
Pre-Start-Up36
System Check36
- Minimum Flow Rates and Minimum Loop Volume37
- Sight Glass Location37
Start-Up and Operation37
- Preliminary Puron Refrigerant (R-410A) Charge38
- Evacuation and Dehydration38
Actual Start-Up38
Check Refrigerant Charge38
- Liquid Charging Method39
- 60 Hz Additional Lubricant39
Check Compressor Oil Level39
Adjust Oil Charge39
- Temperature Limits for Standard 30MP Units40
- Voltage - All Units40
Operating Sequence40
Operating Limitations40
Service Test40
Charging41
Electronic Components41
Electronic Expansion Valve (EXV) (30MP05041
- EXV Valve Replacement42
- Valve Motor Replacement42
- EXV Cable Connections to EXV Module42
EXV Troubleshooting Procedure42
- Disassembly and Assembly of EXV Motor43
- Brazed-Plate Cooler and Condenser Heat Exchanger Replacement44
- Compressor Location44
Compressor Replacement44
30MP Cooler and 30MPW Condenser44
Water Treatment45
Oil Charge45
Check Refrigerant Feed Components45
- Moisture-Liquid Indicator45
- Brazed-Plate Cooler and Condenser45
- Thermostatic Expansion Valve (Txv)45
Check Unit Safeties46
Thermistors46
Pressure Transducers46
- Pressure Relief Devices46
- Thermistor Well47
- Thermistor Connections to Main Base Board, J8 Connector47
Chilled Water Flow Switch47
- 5K Thermistor Temperatures Vs. Resistance/Voltage Drop48
- 10K Thermistor Temperature Vs. Resistance/Voltage Drop (for SPT)50
- 86K Thermistor Vs Resistance (DTT)51
Strainer52
- Unit Enable-Off-Remote Control Switch Is off52
- Thermistor Failure53
- Enabling and Disabling Compressors53
- Compressor Discharge Check Valve53
- Low Saturated Suction53
- Chilled Fluid Proof-Of-Flow Switch Open53
- Open 24-V Control Circuit Breaker(S)53
Replacing Defective Modules52
Recommended Maintenance Schedule52
Troubleshooting52
Complete Unit Stoppage and Restart52

Carrier AquaSnap 30MPA Series - Page 100

Table of Contents

Related product manuals