Controls, Start-Up, Operation, Service And Troubleshooting - Carrier

More documents

Recommendations

Info

5654FLUID TEMPERATURE (deg F)5250484644EWTLWTDESIGNRISE(TYPICAL)42400102030405060708090100LOADING (%)LEGENDEWT — Entering Water TemperatureLWT — Leaving Water TemperatureFig. 19 — Chilled Water Temperature Control1614RESET AMOUNT (deg F)1210864(EXAMPLE)20020406080100120OUTDOOR TEMPERATURE (F)Fig. 20 — Outdoor Air Temperature Reset36
Table 26 — OAT Reset ConfigurationMODE KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENTCONFIGURATIONENTERDISPUNITSERVOPTNENTERRSETCRSTReset Cool and Heat TmpCooling Reset TypeENTERENTER0 No Reset0 No Reset Flashing to indicate Edit mode. May require Password/ 1 Out Air Temp Use up or down arrows to change value to 1.ENTERESCAPEESCAPE1 Accepts the change.CRSTAt mode levelSETPOINTS / Change to Setpoints ModeENTERCOOLCooling SetpointsENTERENTERENTERENTERESCAPEENTERENTERENTERESCAPEENTERENTERENTERESCAPEx 6CSP.1 Cooling Setpoint 1CRT.2CRO1 OAT No Reset Temp Outdoor Temperature where no temperature reset isrequired.0 Value of CRO10 Flashing to indicate Edit mode85.0 Value of No Temperature Reset, 85 from the example.85.0 Accepts the change.CRO1CRO2 OAT Full Reset Temp Outdoor Temperature where full temperature reset,DGRC is required.0 Value of CRO2.0 Flashing to indicate Edit mode55.0 Value of full Temperature Reset, 55 from the example.55.0 Accepts the change.CRO2CRS1CRS2DGRC Degrees Cool Reset Amount of temperature reset required.0 Value of DGRC0 Flashing to indicate Edit mode15.0 Amount of Temperature Reset required, 15 from theexample.15.0 Accepts the change.DGRCNOTE: Bold values indicate sub-mode level.To use Space Temperature Reset in addition to the energymanagement module, four variables must be configured. Theyare: Cooling Reset Type (Configuration→RSET→CRST),Space T No Reset Temp (Setpoints→COOL→CRS1), SpaceT Full Reset Temp (Setpoints→COOL→CRS2) and DegreesCool Reset (Setpoints→COOL→DGRC). In the followingspace temperature reset example, 0° F (0° C) chilled water setpoint reset at 72.0 F (22.2 C) space temperature and 6.0° F(3.3° C) reset at 68.0 F (20.0 C) space temperature. See Fig. 21and Table 27.37
Page 2 and 3: CONTENTS (cont)Page• COOLER LEAVI
Page 4 and 5: Table 2 — Main Base Board Inputs
Page 6 and 7: Table 3 — Scroll Protection Modul
Page 8 and 9: Table 4 — EXV1 Board Inputs and O
Page 10 and 11: Table 6 — Fan Board 1 (AUX1, AUX2
Page 12 and 13: Table 8 — Fan Board 3 (AUX1) Inpu
Page 14 and 15: SIO LENSIO LEN+ G - + G -2212212212
Page 16 and 17: Table 10 — ComfortLink Display Me
Page 18 and 19: Table 12 — Configuring the Master
Page 20 and 21: Capacity Control — The control sy
Page 22 and 23: STAGETOTALCAP.LEGENDMLC — Minimum
Page 24 and 25: If any of these conditions are met,
Page 26 and 27: Table 19 — Head Pressure Control
Page 28 and 29: Table 20 — Low Ambient Temperatur
Page 30 and 31: LEGENDI 2 t — Current Squared Tim
Page 32 and 33: Control Method(OPER)0(Switch Ctrl)1
Page 34 and 35: Temperature Reset — Temperature r
Page 38 and 39: To use 4-20 mA Temperature Reset in
Page 40 and 41: Table 28 — 4 to 20 mA Temperature
Page 42 and 43: Table 29 — 2-Step Demand Limit Co
Page 44 and 45: PRE-START-UPIMPORTANT: Complete the
Page 46 and 47: Operation below minimum flow rate c
Page 48 and 49: MODE 12 (MD12) — Auto Changeover
Page 50 and 51: 1. Cable2. Glass Seal3. Motor Housi
Page 52 and 53: DISASSEMBLYClosedOpenNOTE: Open val
Page 54 and 55: 1130 26 2218 137 16 9 20243 5 28343
Page 56 and 57: Charging with Unit Off and Evacuate
Page 58 and 59: Table 37 — TroubleshootingSYMPTOM
Page 60 and 61: PREFIXCODECoCtFCMCSUFFIXCODE.F1.F2.
Page 62 and 63: Table 38 — Alarm Codes (cont)PREF
Page 64 and 65: Possible Causes — If this conditi
Page 66 and 67: a control option that requires the
Page 68 and 69: interlock (PMPI) contacts. The pump
Page 70 and 71: Suction Transducer FailurePr.04 —
Page 72 and 73: NOTE: The energy management module
Page 74 and 75: Table 43B — 5K Thermistor Tempera
Page 76 and 77: ALM RALT RCL-HTCWFSDLSVDPTEXVEMMFIO
Page 78 and 79: COMPRESSOR AND FAN LOCATIONFig. 37
Page 80 and 81: COMPRESSOR AND FAN LOCATIONFig. 39
Page 82 and 83: APPENDIX A — LOCAL DISPLAY TABLES
Page 84 and 85: APPENDIX A — LOCAL DISPLAY TABLES
Page 86 and 87:
APPENDIX A — LOCAL DISPLAY TABLES
Page 88 and 89:
Page 90 and 91:
Page 92 and 93:
NOTE: See operating modes starting
Page 94 and 95:
APPENDIX B — CCN TABLES (cont)STA
Page 96 and 97:
Page 98 and 99:
Page 100 and 101:
NOTES:1. Compressor capacity will b
Page 102 and 103:
APPENDIX B — CCN TABLES (cont)SET
Page 104 and 105:
APPENDIX B — CCN TABLES (cont)MAI
Page 106 and 107:
APPENDIX B — CCN TABLES (cont)SER
Page 108 and 109:
APPENDIX C — CCN ALARM DESCRIPTIO
Page 110 and 111:
APPENDIX C — CCN ALARM DESCRIPTIO
Page 112 and 113:
Actual start-up 44Alarms and alerts
Page 114 and 115:
Copyright 2007 Carrier CorporationM
Page 116 and 117:
7. Electrical circuit protection ha
Page 118 and 119:
Record Configuration InformationMOD
Page 120 and 121:
Component Test — Complete the fol
Page 122 and 123:
Operating Data:Record the following
Page 124:
Copyright 2007 Carrier CorporationM
show all

Controls, Start-Up, Operation, Service And Troubleshooting - Carrier

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?