Emerson Liebert ICOM-DO User Manual Page 100
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User Menu Parameters
Liebert
®
iCOM
®
for Liebert DSE
™
92
Figure 65 Setpoints screen, page 2
U113 2nd Temperature Setpoint—Provides a way to program an alternate temperature setpoint
that is activated by a dry contact through the customer inputs connections. When a customer input
connection is set to “2nd Setpoint” and the input is wired to that input is active, then the value set in
this parameter sets the active temperature setpoint. This parameter is adjustable from 41°F to 81°F
(5°C to 27°C). The default setting is 41°F (5°C).
This temperature may affect fan speed if the control is setup to operate in a coupled mode during
normal operation (see Table 5).
U114 Supply Temp Limit Setpoint—Selects the minimum discharge air temperature. When the
actual sensor reading approaches this parameter, the cooling capacity will be limited to avoid going
below the Supply Limit Temperature value. This parameter must be enabled in the Service /
Setpoints menu prior to setting a supply limit setpoint. This parameter is adjustable from 41°F to
81°F (5°C to 27°C). The default setting is 41°F (5°C).
U116 BMS Backup Temp Setpoint—Selects a temperature setpoint that will be activated in the
event of a BMS timeout. The BMS timer must be configured for this parameter to activate. If the unit
is operating in “Coupled” mode, located in Service Menus>Setpoint, S163, then this setpoint will
affect the fan control setpoint. This temperature may affect fan speed if the control is setup to operate
in a coupled mode during normal operation (see Table 5). This parameter is adjustable from 41°F to
104°F (5°C to 40°C). The default setting from the factory is 73°F (23°C).
U117 BMS Backup Fan Setpoint—Selects a temperature setpoint that will be activated in the
event of a BMS timeout. The BMS timer and S163 must be configured to “Backup Set” for this
parameter to activate. This parameter is adjustable from 41°F to 104°F (5°C to 40°C). The default is
73°F (23°C).
U119 Return Compensation Setpoint—Allows the return air sensor to be used even when in
Supply or Remote temperature control mode. Return Compensation modifies the temperature
setpoint to ensure that the return air temperature is kept above a specific temperature. If the return
compensation value is set to 80°F and the actual return temp falls to 75°F, then the controlling
temperature setpoint will be increased and will reflect in the “Control Temp Act.” This parameter is
adjustable from 41°F to 104°F (5°C to 40°C). The default is 73°F (23°C).
- 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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