User Manuals: Carrier AQUASNAP 30RAP150 Liquid Chiller

Manuals and User Guides for Carrier AQUASNAP 30RAP150 Liquid Chiller. We have 1 Carrier AQUASNAP 30RAP150 Liquid Chiller manual available for free PDF download: Start Up & Operation Manual

Carrier AQUASNAP 30RAP150 Start Up & Operation Manual

Carrier AQUASNAP 30RAP150 Start Up & Operation Manual (132 pages)

Air-Cooled Chillers with ComfortLink Controls

Brand: Carrier | Category: Chiller | Size: 8 MB

Table of Contents

Table of Contents
1
Safety Considerations
2
General
3
Conventions Used in this Manual
3
Basic Controls Usage
3
General
6
Controls
6
Main Base Board (MBB)
22
Energy Management Module (EMM)
23
Current Sensor Board (CSB)
23
AUX Board (AUX)
23
Expansion Valve Board (EXV)
23
Compressor Expansion Board (CXB)
23
Enable/Off/Remote Contact Switch
23
Emergency On/Off Switch
23
Board Addresses
23
Control Module Communication
23
Carrier Comfort Network
24
- (CCN) Interface
  24
Sensors
25
Energy Management Module
26
Loss-Of-Cooler Flow Protection
26
Electronic Expansion Valves (EXV)
26
Capacity Control
26
- Minutes Left for Start
  27
- Minutes off Time
  27
- Lead/Lag Determination
  27
- Loading Sequence Select
  27
- Capacity Control Overrides
  27
Head Pressure Control
29
Operation of Machine Based on Control Method and Cooling Set Point Selection Settings
30
Cooling Set Point Select
32
Cooling Set Point (4 to 20 Ma)
32
Low Sound Mode Operation
32
Heating Operation
32
Service Test
32
Optional Factory-Installed Hydronic Package
33
Cooler Pump Control
33
Cooler Pump Operation
33
Cooler Pump Sequence of Operation
33
Configuring and Operating Dual Chiller Control
35
Temperature Reset
35
Demand Limit
41
Digital Scroll Option
43
- Digital Compressor Configuration
  43
Pre-Start-Up
43
System Check
43
Start-Up and Operation
43
- Actual Start-Up
  43
Check Refrigerant Charge
44
Charge Adjustment for Brine Operation
44
Operating Limitations
44
- Cooler Flow Rates and Loop Volumes
  44
- Temperatures
  44
- Low Ambient Operation
  45
- Voltage - All Units
  45
Operation Sequence
45
Service
46
Electronic Components
46
Electronic Expansion Valve (EXV)
46
EXV Troubleshooting Procedure
46
- Exv Valve Replacement
  47
- Valve Motor Replacement
  48
Compressor Replacement
50
Cooler
50
- Brazed-Plate Cooler Heat Exchanger
  50
Oil Charge
50
Microchannel Heat Exchanger (MCHX) Condenser Coil Maintenance and Cleaning
51
- Recommendations
  51
Check Refrigerant Feed Components
51
Check Unit Safeties
53
- Cooler Freeze-Up Protection
  53
Thermistors
53
Pressure Transducers
54
Chilled Water Flow Switch
54
Strainer
59
Condenser Fans
59
Motormaster
59
- Controller
  59
- Drive Programming
  60
- Epm Chip
  60
- Loss of Ccn Communications
  60
Service
64
Hydronic Package
64
Maintenance
65
Recommended Maintenance Schedule
65
Microchannel Heat Exchanger (MCHX)
65
- Recommendations
  65
Control Box Maintenance
65
Troubleshooting
65
Complete Unit Stoppage and Restart
65
Motor Overload Protection
66
Alarms and Alerts
67
Appendix A - Display Tables
77
Appendix B - Ccn Tables
93
Appendix C - Factory Settings for Pump and Manual Starters
106
- Option
  107
- Option
  115
- Appendix D - Bacnet Communicatons
  116
Appendix E - Maintenance Summary and Log Sheets
116
4 To 20 Ma Controlled
119
Index
119
Manufacturer Reserves the Right to Discontinue, or Change at any Time, Specifications or Designs Without Notice and Without Incurring Obligations
120
Start-Up Checklist for 30Rap Liquid Chiller
121
Manufacturer Reserves the Right to Discontinue, or Change at any Time, Specifications or Designs Without Notice and Without Incurring Obligations
132

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