Carrier OMNIZONE 50XJ064-104 Manuale Utente

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 111 Catalog No. 535-00137 Printed in U.S.A. Form 50BV,XJ-2T Pg 1 2-04 Replaces: 50BV,XJ-1T
Book 1 1
Tab 2 a 2 b
Controls Operation and
Troubleshooting
CONTENTS
SAFETY CONSIDERATIONS......................1
GENERAL ........................................ 1
MAJOR SYSTEM COMPONENTS ...............1-7
Comfort Controller Processor (PCB1) ............1
Comfort Controller I/O Module (PCB2)............2
Comfort Controller I/O Module (PCB3)............2
Local Interface Display ...........................2
PCB Addresses .................................. 2
Control Module Communication..................2
Carrier Comfort Network Interface................4
Optional and Field-Installed
Accessory Sensors/Devices ................... 4
Wiring Control Devices...........................6
CONTROLS AND FUNCTIONS................. 8-15
Using the Local Interface Display ................8
Automatic Run Test .............................10
Power Up the LID Display .......................12
Log On to the LID Display .......................12
Change the Default Password ...................12
Set the Clock....................................12
Configure Schedules............................13
Program Set Points .............................13
Check System Parameters ......................14
Display Alarm History ...........................14
Configure Custom Programming Selections ....14
Set Controller Address ..........................15
Log Off from Controller .........................15
OPERATION.................................. 16-26
Occupancy Determination.......................16
Fan Control .....................................16
Sequence of Operation..........................16
Diagnostic Features.............................18
50XJ Variable Frequency Drive Control..........19
50BV Variable Frequency Drive Control .........22
TROUBLESHOOTING......................... 27-29
Run Test Troubleshooting.......................27
Forcing and Clearing and Input or Output .......27
Standard Diagnostic Features,
Alarm and Warning Lights ....................28
APPENDIX A — WIRING DIAGRAMS ......... 30-42
APPENDIX B — CONTROL SCREENS ........ 43-64
Display Screens.................................43
Configuration Screens ..........................45
Maintenance Screens ...........................58
SAFETY CONSIDERATIONS
Installing, starting up, and servicing this equipment can be
hazardous due to system pressures, electrical components, and
equipment location. Only trained, qualified installers and
service mechanics should install, start up, and service this
equipment.
When working on this equipment, observe precautions in
the literature; on tags, stickers, and labels attached to the equip-
ment, and any other safety precautions that apply. Follow all
safety codes. Wear safety glasses and work gloves. Use care in
handling, rigging, and setting this equipment, and in handling
all electrical components.
GENERAL
This publication contains Start-Up, Controls Operation, and
Troubleshooting information for the 50BV,XJ units. These
OMNIZONE™ packaged units are self-contained, water-
cooled or remote air-cooled indoor units for use in VAV
(variable air volume) applications. Units are equipped with
Comfort Controller 6400 (CC6400) system controls. Refer to
the unit Installation Instructions for unit layout.
MAJOR SYSTEM COMPONENTS
Comfort Controller Processor (PCB1)
The central processing unit for the OMNIZONE system
control is the Comfort Controller 6400. The Comfort Control-
ler provides general purpose HVAC (heating, ventilation and
air conditioning) control and monitoring capability in a stand-
alone or network environment using closed-loop, direct dig-
ital control. The Comfort Controller 6400 has been pre-pro-
grammed to work in either stand-alone or CCN (Carrier Com-
fort Network) system installations.
The CC6400 processor is designed to provide heating and
cooling control, loop control, scheduling, and custom program-
ming. The main processor provides 16 field points (8 input and
8 output). Additional points are provided by the I/O modules
described on page 2. Table 1 lists the control inputs and outputs
for all CC6400 modules.
Specifications for the Comfort Controller 6400 may be
found in the Comfort Controller literature.
Electrical shock can cause personal injury and death.
Shut off all power to this equipment during installation
and service. There may be more than one disconnect
switch. Tag all disconnect locations to alert others not to
restore power until work is completed.
This unit uses a microprocessor-based electronic control
system. Do not use jumpers or other tools to short out
components, or to bypass or otherwise depart from rec-
ommended procedures. Any short-to-ground of the con-
trol board or accompanying wiring may destroy the
electronic modules or electrical components.
OMNIZONE™
50BV020-064, 50XJ064-104
Indoor Self-Contained
Remote Air-Cooled and Water-Cooled, VAV Systems
18 to 100 Nominal Tons
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1 2 3 4 5 6 ... 63 64

Sommario

Pagina 1 - Troubleshooting

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

Pagina 2

10Table 6 — Quick Access ChartLEGEND NOTES:1. To change from Edit mode to Status mode, press or pressagain.2. Not all available selections will have i

Pagina 3

112. Press 3 and then . The LID display will show:Controller Password3. Press . The LID display will show:LogintoControllerEnter PasswordNOTE: The LID

Pagina 4 - Devices —

1222. The control forces CMP4 (compressor 4) on, if config-ured, then waits 5 seconds.The LID display shows:Factory/Field TestStopThe yellow LED will

Pagina 5

138. Enter the last two digits of the current year. Pressthen press . The LID display will show:Update ClockNo9. Press 1 and then to cause the control

Pagina 6

14Table 7 — Controller Set PointsLEGENDCheck System Parameters — To check systemparameters, press the button. The LID display willshow: “Hardware Poin

Pagina 7 - Field Wiring

15Table 8 — Controller Hardware Points Table 9 — Software PointsTable 10 — Configuration ParametersLEGENDSet Controller Address — To set the address o

Pagina 8 - CONTROLS AND FUNCTIONS

16OPERATIONOccupancy Determination —The OMNIZONE™controller can determine occupancy in many ways. Local occu-pancy is determined by either a local sch

Pagina 9 - 12:00 02-06-04

17COMRES triggers the compressor staging routine thatcontrols the number of compressors energized. Units areequipped with 4 compressors piped in separ

Pagina 10

18Units not equipped with a water economizer can be orderedwith the reverse/head pressure control valve factory installedand a pressure transducer loc

Pagina 11

19LOW-PRESSURE SWITCH (LPS) — The Low-PressureSwitch is located in the suction refrigerant line of eachcompressor, and is set to open at pressures bel

Pagina 12

2Comfort Controller I/O Module (PCB2) — Thisinput/output module is factory installed in the 50XJ unit andallows additional field points (8 inputs and

Pagina 13

20STATUS MONITOR MODE — In Status Monitor mode, it ispossible to monitor the VFD status (frequency command, outputvoltage, current, terminal informati

Pagina 14

21Table13—VFDTripMessagesfor50XJUnitLEGENDLED MESSAGE EXPLANATIONnErr Displayed in the trip history in standard monitor mode when no trip has been rec

Pagina 15

22Table 14 — VFD Mode Summary for 50XJ Unit50BV Variable Frequency Drive Control — Thevariable frequency drive is factory wired and programmed forprop

Pagina 16 - Occupancy Determination —

23ECN lampLights whenenergy-savingmode is inoperation.RUN key lampLights when theRUN key isenabled.RUN keyPressing this keywhile the RUN keylamp is li

Pagina 17

24Table 15 — Non-Trip Messages for the 50BV VFDNOTES:1. ST : Terminal of stand by function.2. When the ON/OFF function is selected for DC braking (DB)

Pagina 18

25Table 16 — Trip Messages for 50BV VFD (cont)ERRORCODECOMMUNICATIONNO.PROBLEM POSSIBLE CAUSES REMEDIESOP3 C Overvoltage duringconstant-speedoperation

Pagina 19 - RUN MODE

26Table 16 — Trip Messages for 50BV VFD (cont)*With a parameter, you can choose between trip-on and -off.NOTES:1. During operation, the following alar

Pagina 20

27TROUBLESHOOTINGRefer to Tables 17-21 for troubleshooting information.Run Test Troubleshooting — The automatic run testis a diagnostic tool used duri

Pagina 21

28Table 20 — Alarms Displayed at Unit LIDNOTES:1. Unit display will indicate alarm by displaying “There is 1 Alarm” or“There are X alarms”, for the ac

Pagina 22

29Table 21 — Compressor MUX Board VoltagesCONDENSER WATER FLOW — This is an optionalswitch that can be used with the OMNIZONE™ controller. Athermal di

Pagina 23 - Fig. 7 — 50BV VFD Display

3Table 1 — Control Inputs and OutputsLEGENDDESCRIPTIONABBREV. TYPECONTROLLER I/O NO. DIP SWITCH SETTINGSWater Econ. Units Air Econ.UnitsSwitch No. and

Pagina 24

30APPENDIX A — WIRING DIAGRAMS50BVJ,K Low Voltage SchematicTRANS-1 (24VAC)CBR1216314131215546710981121351243867109131211141516ALARMRED+-+WARN--IN OUTS

Pagina 25

31NOTES:SEE W/D NUMBER CNTL0038A-EM FOR PCB1 LOW VOLTAGE WIRING.SEE W/D NUMBER CNTL0038B FOR PCB2 LOW VOLTAGE WIRING.SEE W/D NUMBER CNTL0038D FOR LEGE

Pagina 26

32TRANS-1 (24VAC)CBR1216314131215546710981121351243867109131211141516ALARMRED+-+WARN--IN OUTSPEEDSF5 3BYPASSF+ -CMP4+ -213CLO4LOGICCLO3LOGIC2 -13 +CMP

Pagina 27

33NOTES:SEE W/D NUMBER CNTL0038A-MA FOR PCB1 LOW VOLTAGE WIRING.SEE W/D NUMBER CNTL0038B FOR PCB2 LOW VOLTAGE WIRING.SEE W/D NUMBER CNTL0038D FOR LEGE

Pagina 28 - Warning Lights

34TRANS-2 (24VAC)CBR12163141312155467109811213512438671091312111415161718MA_RAFLTS35TRMOPCOMMON TB231TO PCB1 (J7)J7J3J4J1PCB212345678SW112345678SW2123

Pagina 29

35TRANS-1 (24VAC)CBR1216314131215546710981121351243867109131211141516ALARMRED+-+WARN--IN OUTSPEEDVIACCP24CCS1RSF5 3BYPASVFD1SF+ -CMP1CLO1LOGIC 12 3 +

Pagina 30 - FIELD WIRING

36TRANS-1 (24VAC)CBR1216314131215546710981121351243867109131211141516ALARMRED+-+WARN--IN OUTSPEEDVIACCP24CCS1RSF5 3BYPASVFD1SF+ -CMP4+ -213CLO4LOGICCL

Pagina 31

37LEGEND AND NOTES FOR ALL 50BV WIRING DIAGRAMSLEGENDALARM — Unit Alarm Relay (Critical Fault)ALM-CM — Alarm/Warning Relay CommonAO — Analog OutputAQU

Pagina 32

383421CVSHIRROCCALM-CM-+161514131211109876543211817-IN OUT-+ +161514131211109876543211233LOGIC 123LOGIC 123LOGIC 123LOGIC 12LOW VOLTAGE CONTROL WIRING

Pagina 33

399 10T1 T2M1 M2OLR2T1 T2M1 M2OLR1H1X2X1H2H3H4115 VT4300BLK302WHT301BLKTB3NTB2115 V310BLK311BLKCMP1HRN1306BLK308WHT320WHTHRN1HRN1309WHT307BLK312BLULPS

Pagina 34

4Carrier Comfort Network Interface — The 50BV,XJunits can be connected to the CCN (Carrier Comfort Network)if desired. System elements are connected t

Pagina 35

40GNDSTR UWVVFDIFM107BLK117BLU112YELL2L3L1GNDDISC1*USE COPPER SUPPLY WIRES.TB1COMP1COMP2129BLK135BLU132YEL128BLK134BLU131YEL127BLK133BLU130YEL140BLK14

Pagina 36

41123J7PCB23 2 1CBGRN24 VX2X1TRANGRN161514131211109876543211817PCB3J3J4J2123J7SW11234567810REDWHTBLKTower Sump Temp0 1HEAT1Building PressureLeaving Wa

Pagina 37

42LEGEND AND NOTES FOR ALL 50XJ WIRING DIAGRAMSLEGENDALARM — Unit Alarm Relay (Critical Fault)ALM-CM — Alarm/Warning Relay CommonBPS_S — Fan Start/Sto

Pagina 38 - LOW VOLTAGE CONTROL WIRING

43APPENDIX B — CONTROL SCREENSDisplay ScreensDESCRIPTION VALUE UNITS STATUS FORCE NAMEOMNIZONE::HWP01-32:Hardware points Table 1Supply Air Temperature

Pagina 39 - 50XJ 115V Control Wiring

44Display Screens (cont)DESCRIPTION VALUE UNITS STATUS FORCE NAMEOMNIZONE:Custom ConfigurationCompressor Stages 2 NUM_CMPReset Ratio 3 dF RSET_RTOCDWF

Pagina 40 - 50XJ Power Wiring

45Configuration Screens*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuation information

Pagina 41

46Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 42

47Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 43 - Display Screens

48Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 44 - Display Screens (cont)

49Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 45 - Configuration Screens

5Dependencies— Water Economizer option is enabled, andFan is On, and Inlet Water Temperature is below set point; orfrom “Remote Scheduler,” or from “R

Pagina 46 - Configuration Screens (cont)

50Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 47

51Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 48

52Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 49

53Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 50

54Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 51

55Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 52

56Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 53

57Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 54

58Configuration Screens (cont)*Default values from factory.NOTE: See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf

Pagina 55

59Maintenance Screens (cont)DESCRIPTION VALUE UNITS STATUS FORCE NAMEOMNIZONE::ANCTL01: Supply Fan StatusDiscrete Output Point Off Control ValueSensor

Pagina 56

6by the freeze condition. Unit reset is automatic when thecontacts on the freeze protection switch close again. Thecontacts on the freeze protection s

Pagina 57

60Maintenance Screens (cont)DESCRIPTION VALUE UNITS STATUS FORCE NAMEOMNIZONE::PRES: Head Pressure(Comp1)System Value 118.76 PSIG SysvalueForce 0Force

Pagina 58 - Maintenance Screens

61Maintenance Screens (cont)DESCRIPTION VALUE UNITS STATUS FORCE NAMEOMNIZONE::DXVAV01: Compressor StagingDiscrete Output Point 1 Off ValueDiscrete Ou

Pagina 59 - Maintenance Screens (cont)

62Maintenance Screens (cont)DESCRIPTION VALUE UNITS STATUS FORCE NAMEOMNIZONE::HCVAV01: AO - Heating VAV 01Heating Coil Valve 0 % ValueFan Status Poin

Pagina 60

63Maintenance Screens (cont)DESCRIPTION VALUE UNITS STATUS FORCE NAMEOMNIZONE::LMALM01: Supply air Sensor (Typical Limit Alarm)Monitored Input Point 6

Pagina 61

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

Pagina 62

7AIR TERMINALS AND FRESH AIR DAMPER (50XJPCB2) — The VAV Terminal Open (TRMOP), VentilationOutput (VENTR), VAV Terminals Control (TRMCT), andHeat Inte

Pagina 63

8CONTROLS AND FUNCTIONSUsing the Local Interface Display —The LocalInterface Device (LID) is a CCN operator interface that givesthe user the capabilit

Pagina 64

9• Pressing the appropriate LID numeric key (i.e., 2) andthe appropriate function key (i.e., ) to directlyaccess an item without having to scroll thro

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