Emerson Liebert iCOM User Manual Page 154
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Service Menu Parameters
Liebert
®
iCOM
®
144
Figure 126 Diagnostics/service mode screen, page 4 of 8
S335 Alarm Relay—Activates the Liebert iCOM’s common alarm relay output.
S336 K11 Relay—Activates the Liebert iCOM’s free-cooling relay output.
S337 3P 1/2 Actuator Open—Energizes the open circuit of the 3P type chilled or free-cooling control
valve. The 3P valve is easily identified because it will be controlled from P22 of the main board. Both
values must be programmed On for the valve to modulate open. In addition, both values must be set
to Off on 3P 1/2 Actuator Close before the open command will take effect.
S338 3P 1/2 Actuator Close—Energizes the close circuit of the 3P type chilled or free-cooling control
valve. The 3P valve is easily identified because it will be controlled from P22 of the main board. Both
values must be programmed On for the valve to modulate closed. In addition, both values must be set
to Off on 3P 1/2 Actuator Open before the close command will take effect.
S339 BV Control—Activates the following two items allowing the motorized ball valve to be
manually opened or shut.
S340 MBV Position—Specifies the percentage that Valve 1 should be open. Range is 0 to 100%.
S341-344 Analog Out 1, 2, 3 & 4—Specifies the analog output percentage subsequently controlling
the device connected to that output. Range is 0 to 100% but also depends on the output’s assignment
in factory settings.
An Analog Output will may be used for internal purposes or for signaling values for the customer. The
control for the Analog Output can be found in the Advanced - Factory Setting starting on page 7. Only
factory-trained personnel may make changes in the Advanced Menu.
NOTE
When the ball valve control is set to Auto, the motorized ball valve position will be adjusted to
the set value, but the pressure control algorithm will immediately begin adjusting the valve to
control the condenser pressure. When the ball valve control is set to Manual, the motorized ball
valve position will be maintained as set. Emerson recommends against manually setting the
motorized ball valve’s during compressor operation because it might cause the compressor to
trip on its high- or low-pressure protection controls.
- 2
- TABLE OF CONTENTS 3
- 1.0 INTRODUCTION 11
- 2.1 System Screen 14
- 5Liebert 15
- 2.2 Main Unit Screen 16
- 2.3.2 Accessing Submenus 17
- Display Filtering 19
- 2.3.3 Entering a Password 20
- Figure 14 User menu icons 23
- Table 2 User menu icons 23
- Figure 15 Service menu icons 24
- Table 3 Service menu icons 24
- 3.0 OPERATION 26
- Autorestart 27
- Loss of Power Alarm 27
- Minimum Fan Speed 29
- Operation 30
- Low-Pressure Time Delay 31
- Advanced DX Freeze Protection 31
- Pump Down 32
- High Pressure Alarm 32
- 23 Liebert 33
- Settings 34
- 25 Liebert 35
- 3.2.2 Compressor Control 36
- Compressor Proportional Bands 36
- 27 Liebert 37
- 3.2.3 Chilled Water Control 38
- 29 Liebert 39
- 31 Liebert 41
- Cooling—Free-Cooling 42
- Dual-Cooling Source 42
- DETAIL CDETAIL B 43
- DETAIL D 43
- FRONT VIEW 43
- DETAIL E 44
- 35 Liebert 45
- 3.4 Liebert Air Economizer 46
- Operation 46
- 37 Liebert 47
- 3.4.2 Liebert Air Economizer 48
- System Overview 48
- (Not by 49
- Emerson) 49
- Out of Service 50
- 41 Liebert 51
- 43 Liebert 53
- 3.5.2 SCR Reheat 57
- Tight Mode 57
- 3.6.1 Humidification 59
- Infrared Humidifier 59
- 3.6.2 Dehumidification 60
- Dehumidification Low Limit 60
- . If the proportional 63
- Setting Up PI control 64
- 3.8 Supply Control 66
- 3.9.1 Operation 67
- Temperature Compensation 68
- Racks with Equipment 73
- Figure 59 S190 Limit 75
- Figure 60 S190 Control 75
- 67 Liebert 77
- 3.10.2 User Inputs 80
- and Liebert DS 81
- Air-Cooled Units 81
- 3.10.4 Liebert iCOM-DO 82
- Calculating Unit Wellness 84
- 75 Liebert 85
- 4.0 TEAMWORK 86
- 4.2.2 No Teamwork 87
- 4.2.3 Teamwork Mode 1 87
- 4.2.4 Teamwork Mode 2 88
- Fixed Speed 89
- Variable Speed 89
- Teamwork 90
- 4.2.6 Hardware Setup 91
- 4.3.2 DIP Switch Settings 92
- Unterminated 94
- Terminated 94
- 85 Liebert 95
- Grounded CANbus Cable 97
- 4.3.8 Software Setup 99
- 4.3.9 Standby—Rotation 99
- Standby and Cascade 100
- 91 Liebert 101
- Small Displays 104
- Large Displays 104
- 95 Liebert 105
- Small Graphics Display 106
- Liebert iCOM 107
- I/O Board 107
- Graphics Display 108
- (Rear View) 108
- Optional Large 108
- SITESCAN 110
- 6.1 Terminals 77 and 78 111
- via 77/78 112
- 7.0 USER MENU PARAMETERS 113
- User Menu Parameters 114
- 105 Liebert 115
- 7.2 User-Graphic Menu Screens 116
- Event Log 117
- View Network 117
- 109 Liebert 119
- 111 Liebert 121
- 113 Liebert 123
- Active Alarms 125
- 117 Liebert 127
- 119 Liebert 129
- 121 Liebert 131
- 8.0 SERVICE MENU PARAMETERS 132
- Service Menu Parameters 133
- 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 4-10 160
- 151 Liebert 161
- 153 Liebert 163
- 155 Liebert 165
- 157 Liebert 167
- 159 Liebert 169
- 161 Liebert 171
- 163 Liebert 173
- 165 Liebert 175
- 167 Liebert 177
- 169 Liebert 179
- 171 Liebert 181
- 9.0 MONITORING POINTS 187
- Example of points generated 188
- Monitoring Points 189
- 179 Liebert 189
- Technical Support / Service 192
- Locations 192
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