Emerson Liebert ICOM-DO User Manual Page 139
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Service Menu Parameters
131 Liebert
®
iCOM
®
for Liebert DSE
™
S370 Status DT3 (Room/Setpoint)—Indicates if the delta T between room return air temperature
and unit air temperature setpoint has been met.
S371 Status DT4—Indicates the status of the Economizers ability to operate when looking at
outdoor air, humidity and wet bulb. (Wet bulb applicable only on DX units).
S372 Status Min CW—Indicates if the free-cooling or chilled water temperature is below the
minimum chilled water setpoint.
S373 LWD Value (Liebert HPM
™
only)—Displays percent leakage from 0-100% on units with the
optional analog Leakage Water Detector.
S374 Status LSI (Liebert HPM and Liebert PeX
™
only)—Shows the status of the high water level
indicator on units with variable capacity steam bottle humidifiers.
S375 Status Condenser 2 Failure (Liebert HPM only)—Shows the status of the Condenser 2
failure indicator.
Figure 108 Diagnostics/service mode screen, page 8 of 8
S379 Valve Control—Controls the 3P valve(s). Control can be by either of two methods:
• A time-driven signal that uses a 3P valve’s travel time and the time that an open or closed output
is provided to a 3P valve to estimate its current position.
• A feedback signal from the valve that is required for Supply Air Control. The feedback signal
constantly provides the Liebert iCOM with the valve’s position, eliminating the need to reset the
valve(s) on a loss of power and provides a valve failure detection.
S380 Start Valve Calibration—Changing this value to “Yes” starts the valve calibration procedure
of the 3P Actuator. The unit must be powered down on the I/O key before calibration can be
preformed. During this procedure, the valve is positioned to a fully closed and fully opened state while
the feedback signal is monitored. The control then automatically saves the feedback signal voltage at
the two end points as its calibration reference during normal operation.
S381 Calibration Status—Shows whether the calibration has been started: idle indicates
calibration has not begun; ongoing indicates calibration has begun. When calibration has been
completed, the status will return to idle.
S382 V1: 0% open = —Feedback voltage recorded when the valve is positioned at 0% during the
calibration.
S383 V1: 100% open = —Feedback voltage recorded when the valve is positioned at 100% during the
calibration.
S384 Current V1 Feedback—The valve’s current feedback voltage. This value changes as the valve
strokes to different open positions.
S385 V2: 0% open = —For an optional secondary valve; operates the same as the V1
S386 V2: 100% open = —For an optional secondary valve; operates the same as the V1.
S387 Current V2 Feedback—For an optional secondary valve; operates the same as the V1.
- for Liebert DSE 1
- 2
- TABLE OF CONTENTS 3
- 1.0 INTRODUCTION 9
- 2.1.1 System Screen 12
- 5Liebert 13
- Unit Screen 14
- EconoPhase circuit 16
- 2.2.1 Control Interface 17
- 2.2.2 Accessing Submenus 17
- Display Filtering 18
- Liebert iCOM Display Readout 18
- Accessing Submenus 19
- 2.2.3 Entering a Password 20
- Table 3 User menu icons 23
- Table 4 Service menu icons 25
- 3.0 OPERATION 27
- Autorestart 28
- Loss of Power Alarm 28
- Minimum Fan Speed 30
- 3.1.2 Back-Draft Fan Damper 30
- Low-Pressure Time Delay 31
- Advanced DX Freeze Protection 31
- Pump Down Operation 31
- High Pressure Alarm 32
- Operation 33
- 25 Liebert 33
- 3.2 Temperature Control 34
- . If the proportional 35
- 3.2.1 Setting Up PI Control 36
- Temperature Deadband 36
- 3.2.2 Compressor Control 36
- 29 Liebert 37
- System 1 System 2 38
- 3.3.3 Tandem Operation 39
- Additional Reheat Rules 40
- 3.5 Humidity Control 41
- 3.5.1 Humidity Control Types 42
- 3.5.2 Humidification 43
- Infrared Humidifier 43
- 3.5.3 Dehumidification 44
- Dehumidification Low Limit 45
- 39 Liebert 47
- Dehumidification Operation 48
- 41 Liebert 49
- 43 Liebert 51
- Temperature Compensation 52
- Setpoint Manipulated Variable 56
- Controlled Variable 56
- and Liebert 57
- 3.8.1 CANbus Failure 58
- EEV Battery Backup 59
- 3.8.4 Liebert MC 59
- Low Noise / Fan Reversal 60
- 3.8.6 Liebert EconoPhase 61
- 57 Liebert 65
- Event Description 68
- 3.9.2 User Inputs 70
- Table 16 Customer inputs 71
- 3.9.3 Analog Inputs 72
- 3.9.4 Liebert iCOM-DO 73
- Table 20 Event notifications 74
- Calculating Unit Wellness 76
- 69 Liebert 77
- 4.0 TEAMWORK 78
- 4.2.2 No Teamwork 79
- 4.2.3 Teamwork Mode 2 79
- Fixed Speed 80
- Variable Speed 80
- Teamwork 81
- 73 Liebert 81
- Figure 49 Remote sensors 82
- Figure 50 Sensor positioning 82
- 4.2.5 Hardware Setup 83
- 4.3.2 DIP Switch Settings 84
- Unterminated 86
- Terminated 86
- Grounded CANbus Cable 87
- 4.3.7 Software Setup 89
- 4.3.8 Standby—Rotation 90
- Standby and Cascade 90
- Liebert iCOM 95
- I/O Board 95
- Optional Large 95
- Graphics Display 95
- (Rear View) 95
- Liebert vNSA 96
- SITESCAN 97
- 7.0 USER MENU PARAMETERS 98
- 91 Liebert 99
- User Menu Parameters 100
- 7.2 User-Graphic Menu Screens 101
- Event Log 102
- View Network 102
- 95 Liebert 103
- 97 Liebert 105
- 99 Liebert 107
- Active Alarms 108
- 101 Liebert 109
- 103 Liebert 111
- 105 Liebert 113
- 8.0 SERVICE MENU PARAMETERS 114
- Service Menu Parameters 115
- 107 Liebert 115
- 109 Liebert 117
- 111 Liebert 119
- 113 Liebert 121
- 115 Liebert 123
- 117 Liebert 125
- 119 Liebert 127
- 121 Liebert 129
- 123 Liebert 131
- 127 Liebert 135
- 129 Liebert 137
- 131 Liebert 139
- 133 Liebert 141
- Set Alarm Screens, Pages 4-12 142
- 135 Liebert 143
- 137 Liebert 145
- 139 Liebert 147
- 143 Liebert 151
- 145 Liebert 153
- 147 Liebert 155
- 149 Liebert 157
- 151 Liebert 159
- 153 Liebert 161
- 155 Liebert 163
- 161 Liebert 169
- Technical Support / Service 172
- Locations 172
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