Carrier AQUASNAP 30RAP010-150 Controls, start-up, operation, service, and troubleshooting [PDF] (140 pages)
- Brand: Carrier
- Model: AQUASNAP 30RAP010-150
- Format: PDF
- Updated: 18.04.2026
-
Table 1 — Unit Sizes
4
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Table 3 — Operating Modes
6
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ACCESSORY NAVIGATOR™ DISPLAY MODULE —
7
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LOCATED OVER EMM AND EXV
8
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Fig. 6 — Typical Control Box for 30RAP070-150
10
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ACCESSORY OR OPTION WIRING
22
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LEGEND FOR FIG. 3-12B
23
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Energy Management Module (EMM) — The EMM
24
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Capacity Control — The control system cycles com-
28
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Evaporating Temperature (°F)
31
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Table 10 — Fan Stages
32
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MOTORMASTER® V OPTION — Motormaster V is stan-
33
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Table 15 — 4 to 20 mA Reset
41
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DEMAND LIMIT (CCN Loadshed Controlled) — To con-
44
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Digital Scroll Option — The
45
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Table 21 — Minimum Cooler Flow Rates
47
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Compressor Replacement (Fig. 34-36) — All
52
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Fig. 34 — Component Location — 30RAP010-030
53
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SIZE 080,090,115,130,150 UNITS
54
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BRAZED-PLATE COOLER HEAT EXCHANGER RE-
55
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COOLER FREEZE-UP PROTECTION
57
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Fig. 43 — Typical Motormaster Wiring
65
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Table 32 — Fault Codes
66
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Recommended Maintenance Schedule — The fol-
69
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Table 36 — Alarm and Alert Codes
73
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Table 36 — Alarm and Alert Codes (cont)
74
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COMPRESSOR FAILURE ALERTS
79
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APPENDIX A — DISPLAY TABLES
83
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APPENDIX A — DISPLAY TABLES (cont)
84
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APPENDIX B — CCN TABLES
100
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APPENDIX B — CCN TABLES (cont)
101
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APPENDIX D — BACNET COMMUNICATION OPTION
114
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APPENDIX D — BACNET COMMUNICATION OPTION (cont)
115
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APPENDIX E — MAINTENANCE SUMMARY AND LOG SHEETS
123
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Actual start-up 46
126
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10. CHECK VOLTAGE IMBALANCE:
131
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III. Unit Start-Up (cont)
133
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Service Test Mode and Sub-Mode Directory (cont)
139
Document Preview & Text Transcription
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53300132-01
Printed in U.S.A.
Form 30RAP-5T
Pg 1
515 4-14
Replaces: 30RAP-4T
Controls, Start-Up, Operation,
Service, and Troubleshooting
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 2,3
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Conventions Used in this Manual. . . . . . . . . . . . . . . . . . . .3
Basic Controls Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-45
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Main Base Board (MBB) . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Energy Management Module (EMM) . . . . . . . . . . . . . . . .24
Current Sensor Board (CSB) . . . . . . . . . . . . . . . . . . . . . . .24
AUX Board (AUX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Expansion Valve Board (EXV) . . . . . . . . . . . . . . . . . . . . . .24
Compressor Expansion Board (CXB) . . . . . . . . . . . . . .24
Enable/Off/Remote Contact Switch . . . . . . . . . . . . . . . . .24
Emergency On/Off Switch . . . . . . . . . . . . . . . . . . . . . . . . . .24
Board Addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Control Module Communication . . . . . . . . . . . . . . . . . . . .24
Carrier Comfort Network® (CCN) Interface . . . . . . . . . .25
Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
•
COOLER LEAVING FLUID SENSOR
•
COOLER ENTERING FLUID SENSOR
•
COMPRESSOR RETURN GAS
TEMPERATURE SENSOR
•
OUTDOOR-AIR TEMPERATURE SENSOR (OAT)
•
DISCHARGE TEMPERATURE THERMISTOR (DTT)
•
REMOTE SPACE TEMPERATURE SENSOR OR DUAL
LEAVING WATER TEMPERATURE SENSOR
Energy Management Module . . . . . . . . . . . . . . . . . . . . . . .27
Loss-of-Cooler Flow Protection. . . . . . . . . . . . . . . . . . . . .27
Electronic Expansion Valves (EXV) . . . . . . . . . . . . . . . . .27
Capacity Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
•
MINUTES LEFT FOR START
•
MINUTES OFF TIME
•
LEAD/LAG DETERMINATION
•
LOADING SEQUENCE SELECT
•
CAPACITY CONTROL OVERRIDES
Head Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
•
MOTORMASTER V OPTION
Operation of Machine Based on Control Method
and Cooling Set Point Selection Settings. . . . . . . . .33
Cooling Set Point Select. . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Cooling Set Point (4 to 20 mA). . . . . . . . . . . . . . . . . . . . . .34
Low Sound Mode Operation . . . . . . . . . . . . . . . . . . . . . . . .34
Heating Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Service Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Optional Factory-Installed Hydronic Package. . . . . . .34
Cooler Pump Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Cooler Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Cooler Pump Sequence of Operation . . . . . . . . . . . . . . .35
Configuring and Operating Dual Chiller Control . . . .36
Temperature Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Page
Demand Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
•
DEMAND LIMIT (2-Stage Switch Controlled)
•
EXTERNALLY POWERED DEMAND LIMIT
(4 to 20 mA Controlled)
•
DEMAND LIMIT (CCN Loadshed Controlled)
Digital Scroll Option. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
•
DIGITAL SCROLL OPERATION
•
DIGITAL COMPRESSOR CONFIGURATION
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
START-UP AND OPERATION . . . . . . . . . . . . . . . . . . . . 45-48
Actual Start-Up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Check Refrigerant Charge. . . . . . . . . . . . . . . . . . . . . . . . . 46
Charge Adjustment for Brine Operation . . . . . . . . . . . 46
Operating Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
•
COOLER FLOW RATES AND LOOP VOLUMES
•
TEMPERATURES
•
LOW AMBIENT OPERATION
•
VOLTAGE — ALL UNITS
OPERATION SEQUENCE . . . . . . . . . . . . . . . . . . . . . . . . 48
SERVICE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48-68
Electronic Components . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
•
CONTROL COMPONENTS
Electronic Expansion Valve (EXV). . . . . . . . . . . . . . . 48
EXV Troubleshooting Procedure . . . . . . . . . . . . . . . . . . .49
•
FIELD SERVICING INSTRUCTIONS
•
EXV VALVE REPLACEMENT
•
VALVE MOTOR REPLACEMENT
Compressor Replacement . . . . . . . . . . . . . . . . . . . . . . . 52
Crankcase Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Cooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
•
BRAZED-PLATE COOLER HEAT EXCHANGER
REPLACEMENT
•
BRAZED-PLATE COOLER HEAT EXCHANGER
CLEANING
Oil Charge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Microchannel Heat Exchanger (MCHX)
Condenser Coil Maintenance and Cleaning
Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Round Tube, Plate Fin (RTPF)
Condenser Coil Maintenance and Cleaning
Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
•
REMOVE SURFACE LOADED FIBERS
•
PERIODIC CLEAN WATER RINSE
•
ROUTINE CLEANING OF COIL SURFACES
Check Refrigerant Feed Components . . . . . . . . . . . .56
•
FILTER DRIER
•
MOISTURE-LIQUID INDICATOR
•
MINIMUM LOAD VALVE
•
PRESSURE RELIEF DEVICES
AquaSnap®
30RAP010-150
Air-Cooled Chillers
with Puron® Refrigerant (R-410A)
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