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AQUASNAP 30RAP010-150
Controls, start-up, operation, service, and troubleshooting
Table Of Contents - Carrier AQUASNAP 30RAP010-150 Controls, Start-Up, Operation, Service, And Troubleshooting
Air-cooled chillers with puron refrigerant (r-410a)
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Also See for AQUASNAP 30RAP010-150
:
Start up & operation manual
(132 pages)
,
Installation instructions manual
(72 pages)
,
Controls, start-up, operation, service, and troubleshooting
(152 pages)
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Table Of Contents
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Contents
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Table of Contents
Table Of Contents
1
Safety Information
2
Safety Considerations
2
General
3
Conventions Used In This Manual
3
Basic Controls Usage
4
Scrolling Marquee Display
4
Unit Sizes
4
Scrolling Marquee Display Menu Structure
5
Operating Modes
6
Accessory Navigator Display Module
7
Controls
7
Typical Control Box
8
Typical Wiring Schematic
11
Main Base Board (Mbb)
23
Energy Management Module (Emm)
24
Control Module Communication
24
Enable/Off/Remote Contact Switch
24
Emergency On/Off Switch
24
Current Sensor Board (Csb)
24
Aux Board (Aux)
24
Expansion Valve Board (Exv)
24
Compressor Expansion Board (Cxb)
24
Board Addresses
24
Carrier Comfort Network (Ccn) Interface
25
Status Inputs
25
Output Relays
25
Ccn Communication Bus Wiring
26
Typical Space Temperature Sensor Wiring
26
Ccn Communications Bus Wiring To Optional Space Sensor Rj11 Connector
26
Cooler Leaving Fluid Sensor
26
Cooler Entering Fluid Sensor
26
Compressor Return Gas
26
Outdoor-Air Temperature Sensor (Oat)
26
Discharge Temperature Thermistor (Dtt)
26
Remote Space Temperature Sensor Or Dual
26
Leaving Water Temperature Sensor
26
Energy Management Module
27
Loss-Of-Cooler Flow Protection
27
Electronic Expansion Valves (Exv)
27
Minutes Left For Start
28
Minutes Off Time
28
Lead/Lag Determination
28
Loading Sequence Select
28
Capacity Control Overrides
28
Part Load Data Percent Displacement, Standard Units
29
Deadband Multiplier
30
Head Pressure Control
30
Cooler Freeze Protection
30
Low Saturated Suction Protection
30
Operating Envelope For Compressor
31
Condenser Fan Layout
31
Fan Stages
32
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
Cooler Pump Control
34
Service Test
34
Optional Factory-Installed Hydronic Package
34
Cooler Pump Operation
35
Cooler Pump Sequence Of Operation
35
Configuring And Operating Dual Chiller Control
36
Temperature Reset
37
Dual Leaving Water Thermistor Well
37
Dual Chiller Configuration (Master Chiller Example)
38
Menu Configuration Of 4 To 20 Ma Cooling Set Point Control
41
4 To 20 Ma Reset
41
Configuring Outdoor Air And Space Temperature Reset
42
Configuring Return Temperature Reset
42
Outdoor-Air Temperature Reset
43
Space Temperature Reset
43
Standard Chilled Fluid Temperature Control — No Reset
43
Demand Limit (2-Stage Switch Controlled)
43
Externally Powered Demand Limit
43
Demand Limit (Ccn Loadshed Controlled)
44
Pre-Start-Up
45
Start-Up And Operation
45
Digital Scroll Option
45
System Check
45
Digital Compressor Configuration
45
Actual Start-Up
46
Check Refrigerant Charge
46
Charge Adjustment For Brine Operation
46
Operating Limitations
46
Cooler Flow Rates And Loop Volumes
46
Temperatures
46
Minimum Cooler Flow Rates
47
Minimum Fluid Volume In Circulation
47
Temperature Limits For Standard 30Rap Units
47
Low Ambient Operation
47
Voltage - All Units
47
Operation Sequence
48
Service
48
Electronic Components
48
Electronic Expansion Valve (Exv)
48
Exv Troubleshooting Procedure
49
Exv Valve Replacement
49
Valve Motor Replacement
50
Cable Connections To Exv Module
50
Electronic Expansion Valve Details
51
Compressor Replacement
52
Crankcase Heater
52
Disassembly And Assembly Of Exv Motor
52
Component Location
53
Crankcase Heater Location
54
Crankcase Heater Detail Under Compressor
54
Rtpf (Round Tube Plate Fin) Condenser Coil Maintenance
55
Oil Charge
55
Brazed-Plate Cooler Heat Exchanger
55
Microchannel Heat Exchanger (Mchx) Condenser Coil Maintenance And Cleaning
55
Recommendations
55
Check Refrigerant Feed Components
56
Check Unit Safeties
56
Routine Cleaning Of Coil Surfaces
56
Pressure Transducers
56
Pressure Relief Devices
56
Thermistors
57
Chilled Water Flow Switch
57
Cooler Freeze-Up Protection
57
Winter Shutdown
57
Thermistor/Temperature Sensor Check
57
Thermistor Connections To Main Base Board
58
Thermistor Well Diagram
58
Chilled Water Flow Switch Diagram
58
5K Thermistor Temperatures (°F) Vs. Resistance/Voltage Drop
59
10K Thermistor Temperature (°F) Vs. Resistance/Voltage Drop
61
86K Thermistor Vs Resistance (Dtt)
62
Strainer
63
Condenser Fans
63
Metal Fan Mounting Position
63
Low Sound Fan
63
Motormaster
63
Controller
63
Drive Programming
64
Replacing Defective Modules
64
Loss Of Ccn Communications
64
Typical Motormaster Wiring
65
Motormaster V Mode Buttons And Mode Display
65
Fault Codes
66
Motormaster V Program Parameters For Operating Modes
67
Hydronic Package
68
Replacement Modules
68
Pump Performance Check
68
Pump Modifications And Impeller Trimming
68
Vfd Operation
68
Troubleshooting
69
Recommended Maintenance Schedule
69
Control Box Maintenance
69
Condenser Coil Maintenance And Cleaning
69
Complete Unit Stoppage And Restart
69
Unit Enable-Off-Remote Contact Switch Is
69
Chilled Fluid Proof-Of-Flow Switch Open
69
Open 24-V Control Circuit Breakers
69
Motor Overload Protection
70
Recommended Minimum Cool Down Time After Compressor Is Stopped
70
Alarms And Alerts
71
Solid State Motor Protection Module
71
High Discharge Gas Temperature Protection
71
Field Troubleshooting Solid-State Motor
71
Alarm And Alert Codes
73
Compressor Failure Alerts
79
Compressor Stuck On Failure Alerts
79
Run Status Mode And Sub-Mode Directory
83
Appendix A - Display Tables
83
Service Test Mode And Sub-Mode Directory
85
Temperature Mode And Sub-Mode Directory
86
Pressures Mode And Sub-Mode Directory
86
Set Points Mode And Sub-Mode Directory
86
Inputs Mode And Sub-Mode Directory
87
Outputs Mode And Sub-Mode Directory
88
Time Clock Mode And Sub-Mode Directory
94
Operating Mode And Sub-Mode Directory
99
Alarms Mode And Sub-Mode Directory
99
Appendix B - Ccn Tables
100
Appendix C - Factory Settings For Pump And Manual Starters
113
Bacnet Communication Option
114
Upc Open Controller
114
Address Rotary Switches
114
Configuring The Bas Port For Bacnet Ms/Tp
115
Wiring The Upc Open Controller To The Ms/Tp Network
115
Bt485 Terminator Installation
116
Ms/Tp Wiring Recommendations
116
Open System Wiring Specifications And Recommended Vendors
117
Local Access To The Upc Open Controller
117
Configuring The Upc Open Controller's Properties
117
Bacview Device Connection
117
Led Status Indicators
118
Run And Error Leds Controller And Network Status Indication
118
Network Points List
119
Option
122
Appendix E - Maintenance Summary And Log Sheets
123
Maintenance Summary And Log Sheets
124
Index
126
And Log Sheets
126
Start-Up Checklist For 30Rap Liquid Chiller
129
Manufacturer Reserves The Right To Discontinue, Or Change At Any Time, Specifications Or Designs Without Notice And Without Incurring Obligations
129
Unit Start-Up
130
Record Configuration Settings
133
Component Test
138
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Table of Contents
Troubleshooting
EXV Troubleshooting Procedure
49
Troubleshooting
69
Alarms and Alerts
71
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