Emerson Liebert iCOM User Manual Page 178
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Service Menu Parameters
Liebert
®
iCOM
®
168
Figure 162 Economizer, page 3 of 3
SA24 - Return Damper Open—Sets the open voltage. This parameter may be set from 0V to 10.0V.
The factory default is 2.0V.
SA25 - Return Damper Closed—Sets the closed voltage. This parameter may be set from 0V to
10.0V. The factory default is 10.0V.
SA26 - Return Damper Minimum Limit At—Sets the minimum damper position limit for
recirculating return air with the outdoor air. This parameter may be set from 0-100%. The factory
default is 15%.
SA27 - Outdoor Damper Open—Sets the open voltage. This parameter may be set from 0.V to
10.0V. The factory default is 2.0V.
SA28 - Outdoor Damper Closed—Sets the closed voltage. This parameter may be set from 0V to
10.0V. The factory default is 10.0V.
SA29 - Outdoor Damper Position—Shows the actual outdoor damper position; read-only.
SA30 - Return Damper Position—Shows the actual return damper position; read-only.
SA31 - Enable Digital Outputs—Enables Liebert Air Economizer digital output signal. This
parameter may be set to Yes or No. The factory default is No.
SA32 - Damper Runtime—Sets the runtime for a damper. This parameter may be set from 30 to
500 seconds. The factory default is 165 seconds.
SA33 - Pause Time—Sets the time for a damper to open before the fan starts. This parameter may
be set from 1-120 seconds. The factory default is 5 seconds.
SA34 - Stop AirEco On Clogged Filter—Sets the control to stop using the Air Economizer when a
clogged filter event is active. This parameter may be set to Yes or No. The factory default is No.
- 2
- TABLE OF CONTENTS 3
- 1.0 INTRODUCTION 11
- 2.2 System Screen 16
- USER MENUS 20
- 2.5 Display Setup 22
- Figure 16 User menu icons 24
- Table 2 User menu icons 24
- Figure 17 Service menu icons 26
- Table 3 Service menu icons 26
- 3.0 OPERATION 28
- Autorestart 29
- Loss of Power Alarm 29
- Minimum Fan Speed 31
- Operation 32
- 3.1.4 Power Monitoring 33
- Low-Pressure Time Delay 33
- Advanced DX Freeze Protection 33
- Pump Down 34
- High-Pressure Alarm 34
- 25 Liebert 35
- Settings 37
- 3.3 Temperature Control 39
- 3.3.1 Setting Up PI Control 41
- 3.3.2 Compressor Control 42
- Compressor Proportional Bands 42
- 3.4 Liebert Fluid Economizer 45
- Cooling—Free-Cooling 47
- Dual-Cooling Source 48
- 3.4.2 Liebert Air Economizer 48
- DETAIL CDETAIL B 49
- DETAIL D 49
- FRONT VIEW 49
- Both possible low-voltage 50
- Determine which applies 50
- 3.5 Liebert Air Economizer 51
- Operation 51
- System Overview 52
- 3.5.1 Liebert Air Economizer 52
- (Not by 53
- Emerson) 53
- Not in Operation 54
- Startup Configurations 54
- 45 Liebert 55
- 47 Liebert 57
- 3.6.2 SCR Reheat 60
- Tight Mode 60
- 3.7 Humidity Control 61
- 53 Liebert 63
- 3.7.1 Humidification 64
- Infrared Humidifier 64
- 3.7.2 Dehumidification 64
- Dehumidification Low Limit 65
- 57 Liebert 67
- 3.8 Supply Control 68
- 59 Liebert 69
- 3.9.1 Operation 70
- Temperature Compensation 70
- Racks with Equipment 75
- Figure 60 S190 Limit 77
- Figure 61 S190 Control 77
- 3.10.2 User Inputs 81
- 3.10.3 Analog Inputs 82
- 3.10.4 Liebert iCOM-DO 83
- Calculating Unit Wellness 85
- 4.0 TEAMWORK 87
- 4.2.2 No Teamwork 88
- 4.2.3 Teamwork Mode 1 88
- 4.2.4 Teamwork Mode 2 89
- Fixed Speed 90
- Variable Speed 90
- Teamwork 91
- 81 Liebert 91
- Figure 66 Remote sensors 92
- Figure 67 Sensor positioning 92
- 4.2.6 Hardware Setup 93
- 4.3.2 DIP Switch Settings 94
- Unterminated 96
- Terminated 96
- 87 Liebert 97
- 4.3.7 Software Setup 99
- 4.3.8 Standby—Rotation 99
- Standby and Cascade 100
- 91 Liebert 101
- Small Displays 103
- Small Graphics Display 105
- Liebert iCOM 106
- I/O Board 106
- Optional Large 107
- Graphics Display 107
- (Rear View) 107
- Liebert vNSA 108
- SITESCAN 109
- 6.2 Monitoring Points 110
- 7.0 USER MENU PARAMETERS 111
- User Menu Parameters 112
- 103 Liebert 113
- 7.2 User-Graphic Menu Screens 114
- Event Log 115
- View Network 115
- 107 Liebert 117
- 109 Liebert 119
- 111 Liebert 121
- 113 Liebert 123
- Active Alarms 124
- 115 Liebert 125
- 117 Liebert 127
- 119 Liebert 129
- 8.0 SERVICE MENU PARAMETERS 131
- Service Menu Parameters 132
- 123 Liebert 133
- 125 Liebert 135
- 127 Liebert 137
- 129 Liebert 139
- 131 Liebert 141
- 133 Liebert 143
- 135 Liebert 145
- 137 Liebert 147
- 139 Liebert 149
- 141 Liebert 151
- 143 Liebert 153
- 145 Liebert 155
- 147 Liebert 157
- 149 Liebert 159
- Set Alarm Screens, Pages 4-11 160
- 151 Liebert 161
- 153 Liebert 163
- 155 Liebert 165
- 157 Liebert 167
- Freecool Sensor 168
- 159 Liebert 169
- 161 Liebert 171
- 163 Liebert 173
- 165 Liebert 175
- 167 Liebert 177
- 169 Liebert 179
- 171 Liebert 181
- 173 Liebert 183
- 175 Liebert 185
- 181 Liebert 191
- (read only) 193
- Technical Support / Service 196
- Locations 196
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