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Service Menu Parameters
117 Liebert
®
iCOM
®
for Liebert DSE
™
S199 - Operation @ Sensor Failure—This parameter determines what action to take if the static
pressure sensor fails (non-teamwork). There are two options to use when handling a static pressure
sensor failure, they are SP OFF = static pressure control Off, where the control will use S146 to
control the fan when the sensor is lost or Freeze Speed = keep the fanspeed unchanged based on the
last reading to iCOM. Things that need to override fanspeed such as freeze protection can still change
the fanspeed.
S19A SP Upper Range—The control calculates the Upper Range by using S191 “SP Setpoint” and
S192 “SP Deadband,” the results on lines show both values, in WC and Pa.
S19B SP Lower Range—The control calculates the Lower Range by using S191 “SP Setpoint” and
S192 “SP Deadband,” the results on lines show both values, in WC and Pa.
Service—Unit Diary Menu Screens (Large Display Only)
Unit Diary—Shows all entered program changes and maintenance performed on the unit. The Unit
Diary serves as a note pad, where information can be added through the Liebert iCOM Service Tool.
8.2 Service—Standby Settings / Lead Lag Menu Screen
Standby Settings / Lead Lag allows the user program lead-lag setup when units are connected in a
Liebert iCOM U2U network.
Figure 91 Standby settings / lead-lag screen
S502 Number of Standby Units—Selects the number of units that will be in Standby mode. When
a unit is in standby mode, the fan will be Off and no cooling will be provided.
S503 Rotation Frequency—Controls when a rotation will occur between the standby units and the
operating units within a network.
S504 Rotate at—Sets the hour and minute of the rotation.
S505 Rotate by—Determines the number of positions to rotate by. Example: If there are six units in
a unit-to-unit network and units 1, 3 and 5 are in standby and this parameter is set to “1,” then at the
next rotation units 2, 4 and 6 will be placed in standby and units 1, 3 and 5 will become operational.
S506 Stdby Fan Timer at Reheat/Hum—Sets the time that the fan will operate after a unit enters
standby or sleep if the reheat or humidifier was operating when commanded to turn Off. Default is 30
minutes; range is 3 to 360 minutes.
S507 Perform one Rotation—Setting this parameter to YES will perform one rotation without
waiting on the rotation timer to expire.
- 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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