Emerson Vilter VilTech Operation manual

VILTech micro-controller
Operation and service manual

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Important Note:
Before applying power to the control panel, all wiring to the panel should be per NEC. Specifically check for
proper voltage and that the neutral is grounded at the source. An equipment ground should also be ran to
the panel.
*See Wiring Instructions and Diagrams before proceeding.
Beforestart-up,enterallsystemvalues andoptions. Seesectionon SetpointValues.

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Table of Contents
Important Note: ......................................................................................................................................................................3
Domestic Terms and Conditions .......................................................................................................................................... 10
Export Terms and Conditions ............................................................................................................................................... 12
Chapter 1 .........................................................................................................................................................11
Spare Parts List .................................................................................................................................................................... 12
Pre-StartupCheck List ......................................................................................................................................................... 13
Retrofit Kit Instructions ....................................................................................................................................................... 14
Operating Procedures .......................................................................................................................................................... 19
Definitions ........................................................................................................................................................................... 19
Keypad Functions ............................................................................................................................................................... 20
Main Screen Overview ......................................................................................................................................................... 22
Screen Types ....................................................................................................................................................................... 23
Menu Screens ...................................................................................................................................................................... 23
Menu Option Selection ........................................................................................................................................................ 24
Data Entry Screens .............................................................................................................................................................. 24
Cursors ................................................................................................................................................................................ 25
Data Entry Procedures ......................................................................................................................................................... 25
Data Screen Keys................................................................................................................................................................. 25
Field Types .......................................................................................................................................................................... 26
Selectable Fields .................................................................................................................................................................. 26
Numerical Data Input Fields................................................................................................................................................. 26
Absolute Pressure Fields ..................................................................................................................................................... 27
Time Fields ........................................................................................................................................................................... 27
Date Fields ........................................................................................................................................................................... 27
String Fields ......................................................................................................................................................................... 28
Telephone Number Field ...................................................................................................................................................... 28
HexadecimalFields ............................................................................................................................................................... 28
Status Screens ..................................................................................................................................................................... 30
Confirmation Screens ........................................................................................................................................................... 31
Confirmation Screen Procedures .......................................................................................................................................... 31
Momentary Screens ............................................................................................................................................................. 32
Information Screens ............................................................................................................................................................. 33
Access Screens.................................................................................................................................................................... 34
Log Screens ......................................................................................................................................................................... 35
Alarms& Failures ................................................................................................................................................................ 36
Modes Of Operation ............................................................................................................................................................ 39
Chapter 2 .........................................................................................................................................................39
Compressor Controls ........................................................................................................................................................... 39
Starting the Compressor ...................................................................................................................................................... 40
Manual Start ........................................................................................................................................................................ 40
Automatic Start .................................................................................................................................................................... 40
Remote/Auto Remote Start .................................................................................................................................................. 41
I/O Control ........................................................................................................................................................................... 41
NetworkControl................................................................................................................................................................... 41
Sequenced Start ................................................................................................................................................................... 41
Stopping the Compressor .................................................................................................................................................... 42
Manual Stop ........................................................................................................................................................................ 42
Automatic Stop .................................................................................................................................................................... 42
Remote/Auto Remote Stop .................................................................................................................................................. 42
I/O Control ........................................................................................................................................................................... 42
NetworkControl................................................................................................................................................................... 42
Sequenced Stop ................................................................................................................................................................... 42

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Capacity Control .................................................................................................................................................................. 43
Manual Capacity Control ..................................................................................................................................................... 43
Automatic Capacity Control ................................................................................................................................................ 43
Control Groups .................................................................................................................................................................... 44
Cut-Out Setpoint.................................................................................................................................................................. 44
Cut-In Setpoint .................................................................................................................................................................... 44
Control Setpoint................................................................................................................................................................... 44
LowAlarm/Failure Setpoints ................................................................................................................................................ 44
Time Proportional Control Strategy ..................................................................................................................................... 44
Control Deadband................................................................................................................................................................ 44
NormalBandwidth ............................................................................................................................................................... 44
NormalStage Delay . ............................................................................................................................................................ 44
Fast Stage Delay - ................................................................................................................................................................ 44
DifferenceAbove Setpoint .................................................................................................................................................. 45
Load Bandwidth................................................................................................................................................................... 45
Unload Bandwidth ............................................................................................................................................................... 45
DifferenceBelow Setpoint ................................................................................................................................................... 45
RemoteCapacity Control ..................................................................................................................................................... 45
Auto-Remote Capacity Control............................................................................................................................................ 45
Sequenced Capacity Control ............................................................................................................................................... 46
LowAlarm and Failure Setpoints ......................................................................................................................................... 46
Running in Trim Mode......................................................................................................................................................... 46
Running in Full Load Mode ................................................................................................................................................. 47
Anti-Cycle in Sequenced Mode........................................................................................................................................... 47
ForcedUnloading & Limiting............................................................................................................................................... 47
RampStart............................................................................................................................................................................ 47
CapacityRamp StartLimiting ............................................................................................................................................... 48
Staging Setup....................................................................................................................................................................... 49
MinimumCapacity ............................................................................................................................................................... 49
Setpoint Scheduling............................................................................................................................................................. 50
Daily Schedules .................................................................................................................................................................. 50
Weekly Schedule ................................................................................................................................................................. 50
Oil Pressure Computation ................................................................................................................................................... 50
OilTemperature Regulation.................................................................................................................................................. 50
Anti-Cycle Timer .................................................................................................................................................................. 51
PowerFail Restart ................................................................................................................................................................ 51
Process Temperature Control (Option) ................................................................................................................................ 51
Two Stage Configuration (Option) ....................................................................................................................................... 51
Operational Procedures........................................................................................................................................................ 52
Status Screens ..................................................................................................................................................................... 54
Compressor Main Status Screen.......................................................................................................................................... 54
Status Banner....................................................................................................................................................................... 55
Current System State ........................................................................................................................................................... 56
CURRENTSTATEDESCRIPTION ....................................................................................................................................... 56
Mode Area ........................................................................................................................................................................... 56
MODEDESCRIPTION ......................................................................................................................................................... 56
Alarm& FailureArea ........................................................................................................................................................... 57
ALARMSYSTEMSSTATUS .............................................................................................................................................. 57
MESSAGE ............................................................................................................................................................................ 57
Operating Hours Screen....................................................................................................................................................... 57
TERMDEFINITION ............................................................................................................................................................. 57
ActiveAlarms & Failures Status Screen .............................................................................................................................. 58
ActiveAlarms & Failures Status Screen Definitions ........................................................................................................... 58
ActiveAlarms & Failures Status Screen .............................................................................................................................. 58
Auto-Start Warning Screen.................................................................................................................................................. 59

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SETPTHot Key.................................................................................................................................................................... 59
AUTO Start Warning Screen............................................................................................................................................... 59
SETPT Hot Key Screen ....................................................................................................................................................... 59
Setpoints............................................................................................................................................................................. 60
Pressure Setpoints ............................................................................................................................................................... 61
Suction Pressure Control Groups......................................................................................................................................... 61
High Suction Pressure Setpoints ......................................................................................................................................... 63
Discharge Pressure Setpoints .............................................................................................................................................. 64
Oil Pressure Setpoints.......................................................................................................................................................... 65
Intermediate Pressure Setpoints (Two Stage only) Option .................................................................................................. 66
Temperature Setpoints ......................................................................................................................................................... 67
Discharge Temperature Setpoints ........................................................................................................................................ 67
Oil Temperature Setpoints.................................................................................................................................................... 68
Process Temperature Control Group .................................................................................................................................... 69
High Process Temperature Setpoints ................................................................................................................................... 70
Note Page............................................................................................................................................................................. 71
Capacity Setpoints............................................................................................................................................................... 72
Scheduling ........................................................................................................................................................................... 73
Control ................................................................................................................................................................................. 73
Active Group ....................................................................................................................................................................... 74
Active Schedule................................................................................................................................................................... 74
Weekly Schedule ................................................................................................................................................................. 75
Daily Schedule ..................................................................................................................................................................... 75
CAPControl......................................................................................................................................................................... 77
Suction Pressure Control Setpoints ..................................................................................................................................... 77
Process Temperature Control Setpoints............................................................................................................................... 78
MISCControl ....................................................................................................................................................................... 79
LOGSHotKey ..................................................................................................................................................................... 80
MENUSHot Key ................................................................................................................................................................. 80
Chapter 3 .........................................................................................................................................................81
Logging Functions Technical overview............................................................................................................................... 81
Logging Functions .............................................................................................................................................................. 81
Trend Log ............................................................................................................................................................................ 82
AlarmLog ............................................................................................................................................................................ 82
FailureLog ........................................................................................................................................................................... 82
User Log .............................................................................................................................................................................. 82
Logging Functions Operating Procedures........................................................................................................................... 83
Operations and Trend Logs ................................................................................................................................................. 84
Alarm and Failure Logs ........................................................................................................................................................ 85
User Log .............................................................................................................................................................................. 86
ClearLogs ............................................................................................................................................................................ 86
ClearAll Logs....................................................................................................................................................................... 87
Set Log Rate......................................................................................................................................................................... 87
Logon User .......................................................................................................................................................................... 89
Logoff User .......................................................................................................................................................................... 89
AutomaticLog Off ............................................................................................................................................................... 89
Chapter 4 .........................................................................................................................................................89
Menu Functions .................................................................................................................................................................. 89
Set-up Menu ........................................................................................................................................................................ 91
SetClock .............................................................................................................................................................................. 91

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Calibrate Sensors ................................................................................................................................................................. 91
DynamicSensor Calibration................................................................................................................................................. 91
Static Sensor Calibration ...................................................................................................................................................... 91
Passwords............................................................................................................................................................................ 92
Adding/Deleting Users ........................................................................................................................................................ 92
Screen Access Levels .......................................................................................................................................................... 92
Initialization.......................................................................................................................................................................... 92
PowerFail Reset................................................................................................................................................................... 92
Set Factory Configuration.................................................................................................................................................... 93
Configuration ....................................................................................................................................................................... 93
Display ................................................................................................................................................................................. 93
Communication .................................................................................................................................................................... 93
Set Operating Status ............................................................................................................................................................ 93
Staging Configuration.......................................................................................................................................................... 93
Control Configuration .......................................................................................................................................................... 93
Adjust Contrast ................................................................................................................................................................... 93
Operational Procedures........................................................................................................................................................ 94
Logon User .......................................................................................................................................................................... 95
Logoff User .......................................................................................................................................................................... 95
Diagnostics .......................................................................................................................................................................... 96
System Information .............................................................................................................................................................. 96
ViewDiscreteI/O ................................................................................................................................................................. 97
ViewAnalogs ....................................................................................................................................................................... 98
Communication Status ....................................................................................................................................................... 100
OverrideDiscrete I/O ......................................................................................................................................................... 101
Set-up................................................................................................................................................................................. 102
Set Clock ........................................................................................................................................................................... 102
Calibrate Sensors ............................................................................................................................................................... 103
DynamicSensor Calibration............................................................................................................................................... 104
Static Sensor Calibration .................................................................................................................................................... 105
Password Control............................................................................................................................................................... 106
Password Control Screen ................................................................................................................................................... 106
Add/Delete User ................................................................................................................................................................ 107
Access Levels.................................................................................................................................................................... 108
Initialization........................................................................................................................................................................ 109
PowerFail Reset................................................................................................................................................................. 109
Set Factory Config ............................................................................................................................................................. 110
Setpoint Save/Restore ....................................................................................................................................................... 110
Save/Restore Status........................................................................................................................................................... 110
Configuration ..................................................................................................................................................................... 111
Display ............................................................................................................................................................................... 111
CommSetup ....................................................................................................................................................................... 112
Set Op Stats ....................................................................................................................................................................... 113
Setup Stages ...................................................................................................................................................................... 114
Control Configuration ........................................................................................................................................................ 115
Adjust Contrast ................................................................................................................................................................. 115
Variable Frequency Drive Option ....................................................................................................................................... 116
Sequencer Control........................................................................................................................................118
Sequencer Technical Section ............................................................................................................................................. 118
Sequencer System Control Parameters .............................................................................................................................. 119
Sequencer Staging Control ................................................................................................................................................ 119
DifferenceAbove Setpoint ................................................................................................................................................ 120

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Load Bandwidth................................................................................................................................................................. 120
Unload Deadband .............................................................................................................................................................. 120
Unload Bandwidth ............................................................................................................................................................. 120
Sequencing Commands...................................................................................................................................................... 120
System Control Parameter and Setpoint Communication ................................................................................................... 120
Sequencer Operations........................................................................................................................................................ 121
Sequencer Lead List........................................................................................................................................................... 121
Enabling and Disabling the Sequencer .............................................................................................................................. 124
Sequencer Control Groups ................................................................................................................................................. 124
Sequencer Setpoint Scheduling ......................................................................................................................................... 124
Alarm and Failure Setpoints............................................................................................................................................... 125
Setting up VILTech Panels for Sequencing ........................................................................................................................ 125
Sequencer Operating Procedures....................................................................................................................................... 126
Sequencer Status Screen ................................................................................................................................................... 126
SEQ HotKey ...................................................................................................................................................................... 127
LEADLIST ........................................................................................................................................................................ 127
CNTRLGROUPSELECT .................................................................................................................................................... 127
SCHEDULING .................................................................................................................................................................... 127
SCHEDULESETUP ............................................................................................................................................................ 127
DAILYSCHEDULE ............................................................................................................................................................ 127
SCHEDULE01 .................................................................................................................................................................... 127
SCEHDULE02 .................................................................................................................................................................... 127
SCHEDULE07 .................................................................................................................................................................... 127
HIGHALARM ................................................................................................................................................................... 127
LEADLISTA ..................................................................................................................................................................... 127
LEADLISTB ..................................................................................................................................................................... 127
CURRENTACTIVELEADLIST ........................................................................................................................................ 131
Control Group Select .......................................................................................................................................................... 132
CONTROLSETPT.............................................................................................................................................................. 132
LOWALARM.................................................................................................................................................................... 132
LOWFAILURE .................................................................................................................................................................. 133
Schedule Setup .................................................................................................................................................................. 133
Daily Schedules ................................................................................................................................................................. 134
SCHEDULEDTIME ........................................................................................................................................................... 134
SELECTEDGROUP ............................................................................................................................................................ 134
SELECTEDLEAD .............................................................................................................................................................. 134
LIST ................................................................................................................................................................................... 134
HighAlarm ......................................................................................................................................................................... 135
Addendumfor Pump DownProgram forVILTech.............................................................................................................. 136
APPENDIX A ............................................................................................................................................... 139
Alarmand Failure Data ...................................................................................................................................................... 139
AnalogAlarms ................................................................................................................................................................... 139
High Suction Pressure ....................................................................................................................................................... 139
Low Suction Pressure ........................................................................................................................................................ 139
High Discharge Pressure ................................................................................................................................................... 139
HighOilTemperature ......................................................................................................................................................... 139
LowOil Pressure ................................................................................................................................................................ 139
LowIntermediateTemp(Two Stage)................................................................................................................................... 139
High Process Temperature(Option).................................................................................................................................... 139
Low Process Temperature(Option) .................................................................................................................................... 139
High Intermediate Pressure (Two Stage) ............................................................................................................................ 140

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Low Intermediate Pressure (Two Stage)............................................................................................................................. 140
DiscreteAlarms .................................................................................................................................................................. 140
APPENDIX B ............................................................................................................................................... 141
Analog and Discrete I/O .................................................................................................................................................... 141
Analog Inputs.................................................................................................................................................................... 141
APPENDIX C ............................................................................................................................................... 143
CommunicationProtocols .................................................................................................................................................. 143
Introduction ....................................................................................................................................................................... 143
Applicable Documents ...................................................................................................................................................... 143
Hardware Interface Description ......................................................................................................................................... 144
HardwareRequirements ..................................................................................................................................................... 144
Interface Connections........................................................................................................................................................ 144
PinName ............................................................................................................................................................................ 144
Message Addressing ......................................................................................................................................................... 146
Software Interface Description .......................................................................................................................................... 148
Protocol Overview ............................................................................................................................................................. 148
Status Only or Status and Control Options ....................................................................................................................... 148
Message Categories .......................................................................................................................................................... 148
MODBUSProtocol Description ......................................................................................................................................... 149
Preset Single Register ........................................................................................................................................................ 150
Preset Multiple Registers ................................................................................................................................................... 150
Error Messages .................................................................................................................................................................. 151
Data Formats...................................................................................................................................................................... 151
Status Message Description.............................................................................................................................................. 152
Analog Input and Computed Parameters ........................................................................................................................... 152
Discrtete Input and Outputs .............................................................................................................................................. 153
Alarmand Failure Data ...................................................................................................................................................... 154
Equipment Data.................................................................................................................................................................. 157
Alarm Status Table ............................................................................................................................................................. 157
Compressor Mode Table .................................................................................................................................................... 157
Compressor State Table ..................................................................................................................................................... 158
Last RECIPStart StatusTable ............................................................................................................................................ 160
Control Message Description ............................................................................................................................................ 160
Networkin ControlCommand ............................................................................................................................................ 161
Compressor Start/Stop....................................................................................................................................................... 161
Set Comressor Capacity Command .................................................................................................................................... 162
Change Compressor Mode Command ............................................................................................................................... 162
Acknowledg/ClearActiveAlarmCommand ....................................................................................................................... 163
Change Current Setpoint Group Command ........................................................................................................................ 163
Change Control Type Command ........................................................................................................................................ 163
Auto Start/Stop Contol Command ..................................................................................................................................... 163
Suction Pressure Setpoint Message Description............................................................................................................... 164
Process Temperature Setpoint Message Description ........................................................................................................ 165
APPENDIX D ............................................................................................................................................... 166
Condensor Control ............................................................................................................................................................ 166

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Notes Page