Emerson iCOM user manual Main FAN Overload

Page 41

 

 

 

 

 

 

Operation

 

Table 8

Possible event settings—some events not available in all units

 

 

 

 

 

 

 

 

 

 

Internal Delay

Default Delay / Selectable

Type

 

 

Event

(Before Action Occurs)

(Before Action Occurs)

(default)

 

MAIN FAN OVERLOAD

2 seconds

5 seconds / 0 – 9999 *

ALM

 

LOSS OF AIRFLOW

3 seconds

3 seconds / 0 – 9999 *

ALM

 

 

 

 

 

 

CLOGGED FILTERS

2 seconds

2 seconds / 0 – 9999 *

WRN

 

 

 

 

 

 

HIGH ROOM TEMP

1 Min After Fan On

30 seconds / 0 – 9999

Fixed to WRN

 

 

 

 

 

 

 

LOW ROOM TEMP

1 Min After Fan On

30 seconds /

0 – 9999

Fixed to WRN

 

 

 

 

 

 

HIGH ROOM HUM

1 Min After Fan On

30 seconds / 0 – 9999

Fixed to WRN

 

 

 

 

 

 

 

LOW ROOM HUM

1 Min After Fan On

30 seconds /

0 – 9999

Fixed to WRN

 

 

 

 

 

 

HIGH TEMP SENSOR A

1 Min After Fan On

30 seconds / 0 – 9999

Fixed to WRN

 

 

 

 

 

 

 

LOW TEMP SENSOR A

1 Min After Fan On

30 seconds /

0 – 9999

Fixed to WRN

 

 

 

 

 

 

HIGH HUM SENSOR A

1 Min After Fan On

30 seconds / 0 – 9999

Fixed to WRN

 

 

 

 

 

 

 

LOW HUM SENSOR A

1 Min After Fan On

30 seconds /

0 – 9999

Fixed to WRN

 

 

 

 

 

 

 

COMP 1 OVERLOAD

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

COMP 2 OVERLOAD

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

COMP 1 HIGH PRESSURE

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

COMP 2 HIGH PRESSURE

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

COMP 1 LOW PRESSURE

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

COMP 2 LOW PRESSURE

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

COMP 1 PUMPDOWN FAIL

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

COMP 2 PUMPDOWN FAIL

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

DIG SCROLL1 HIGH TEMP

Internal Calc.

no

 

ALM

 

 

 

 

 

 

 

DIG SCROLL2 HIGH TEMP

Internal Calc.

no

 

ALM

 

 

 

 

 

 

EL HEAT HIGH TEMP

5 Sec

0 sec / 0 – 9999

WRN

 

 

 

 

 

 

WORKING HRS EXCEEDED

0 Sec

0 sec / 0 – 9999

Fixed to WRN

 

 

 

 

 

 

SMOKE DETECTED

2 Sec

2 sec / 0 – 9999 *

ALM

 

 

 

 

 

 

WATER UNDER FLOOR

2 Sec

2 sec / 0 – 9999 *

ALM

 

 

 

 

 

 

COND PUMP-HIGH WATER

2 Sec

2 sec / 0 – 9999 *

ALM

 

 

 

 

 

 

 

 

LOSS OF FLOW

5 Sec

2 sec / 0 –

9999 *

ALM

 

Reset Delay: 10 Sec

 

 

 

 

 

 

 

STBY GLYCOL PUMP ON

2 Sec

2 sec / 0 –

9999 *

ALM

 

STANDBY UNIT ON

2 Sec

2 sec / 0 – 9999 *

ALM

 

HUMIDIFIER PROBLEM

2 Sec

2 sec / 0 – 9999 *

ALM

 

NO CONNECTION w/Unit1

Internal Calc.

-

 

WRN

 

UNIT X DISCONNECTED

Internal Calc.

-

 

WRN

 

LOSS OF POWER

0 Sec

No

 

ALM

 

CUSTOMER INPUT 1

2 Sec

2 sec / 0 – 9999 *

ALM

 

CUSTOMER INPUT 2

2 Sec

2 sec / 0 – 9999 *

ALM

 

CUSTOMER INPUT 3

2 Sec

2 sec / 0 – 9999 *

ALM

 

CUSTOMER INPUT 4

2 Sec

2 sec / 0 – 9999 *

ALM

 

CALL SERVICE

2 Sec

2 sec / 0 – 9999 *

MSG

 

HIGH TEMPERATURE

2 Sec

2 sec / 0 – 9999 *

MSG

 

LOSS OF AIR BLOWER 1

2 Sec

2 sec / 0 – 9999 *

ALM

 

REHEAT LOCKOUT

2 Sec

2 sec / 0 – 9999 *

WRN

 

HUMIDIFIER LOCKOUT

2 Sec

2 sec / 0 – 9999 *

WRN

 

FC LOCKOUT

2 Sec

2 sec / 0 – 9999 *

WRN

 

COMPRESSOR(S) LOCKOUT

2 Sec

2 sec / 0 – 9999 *

WRN

 

COMP 1 SHORT CYCLE

0 Sec

0 - 9999

MSG

 

COMP 2 SHORT CYCLE

0 Sec

0 - 9999

MSG

35

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Contents
Liebert iCOM Page Table of Contents Mounting a Large Display on a Wall Installing a Liebert Icom UNIT-TO-UNITNETWORKTeamwork Figures Tables Large and Small Displays FeaturesESC Icon Key Name Function Keyboard icons and functionsStatus menu, large display, graphical view Accessing Submenus on Small Displays Accessing SubmenusAccessing Submenus on Large Displays Navigating Through the Liebert iCOM MenusMenu tree-Small display, stand-alone or networked Entering a PasswordAdvanced Menu Unit Service Menu UnitStatus Menu System View Status Menu Unit 1 View User Menu Advanced Menu Unit # Service Menu Unit #Viewing Multiple Units with a Networked Large Display SET User menu icons Service menu icons Unit/Fan Control Start Stop Single Unit FunctionsFan Alarm / Fan Protection Settings Loss of Power AlarmVSD Setpoint VSD Fan Speed Setting AutorestartPump Down High Pressure AlarmCompressor Sequencing Digital Scroll High TemperatureCompressor Timing-Units With Two Compressors MBV Operation After Compressor is Turned Off Service Offset-Changing System Pressure SettingsMotorized Ball Valve in Digital Scroll Units Temperature proportional band Temperature Proportional BandCompressor Proportional Bands Compressor ControlOne Single-Step Compressor Without Unloaders-One-Step Two Single-Step Compressors Without Unloaders-Two-StepTwo compressors with unloaders four-step Two Compressors With Unloaders-Four-StepDigital scroll capacity modulation, 10-100% variable Digital Scroll CompressorsDifferential Temperatures / Controls Comparator Circuit Temperature Control-Second Cooling SourceDelta T Temperature Difference Between Room and Glycol Chilled Water ControlSecond cooling source and compressorized cooling Reheat configuration types Temperature Control-ReheatGlycool Cooling-Free-Cooling Dual Cooling SourceHeat On ½ Dead Band 100% Off ½ Proportional Band Decreasing TemperatureSCR Reheat Tight ModeStandard Mode Humidification Humidity ControlHumidification Dehumidification External Humidifier Control-Optional Humidification Infrared HumidifierParameters for infrared humidifier control Dehumidification Dehumidification With Comp settingsDehumidification Low Limit Dehumidification Compressor QuantityReheat During Dehumidification Temperature and Humidity Control TypesControl Types Humidity Sensor Reading Control Types Supply Limit-Optional High and Low, Temperature and Humidity EventsCustomer inputs User Inputs / Customer InputsEnable or Disable Time DelayEvent Types and Properties Event TypesMain FAN Overload Event notifications-large or small display Possible Event NotificationsCalculating Unit Wellness Next Maintenance CalculationCalculation of Next Maintenance and Diagnostics General Maintenance Settings Parameters for Next Maintenance CalculationFans / Heaters / Humidifier Settings and Diagnostics Compressor 1 / 2 Settings and DiagnosticsTeamwork Modes Teamwork ModeApplication of Teamwork Modes No TeamworkTeamwork Mode 1 with two cooling units Standby and Cascade Standby Rotation Typical Standby Lead/Lag FunctionMinimum Network Switch Requirements Placement of Cooling UnitsU2U Hardware Cables and Network Switch Liebert iCOM U2U Ethernet Network Wiring for Unit-to-Unit Communications-U2USample Liebert iCOM network configurations Large Displays Wiring a Liebert iCOM U2U Network Small DisplaysWall-Mount Large Display Combining Large and Small Displays on a U2U NetworkWiring a small display for stand-alone operation Wiring a large display for stand-alone operation Liebert vNSA Ports available for connecting Liebert iCOM control devices298 84mm 305mm 14.25 362mm DPN001136 Rev Mounting Instructions Location ConsiderationsNecessary Mounting Items Liebert iCOM display dimensions Setpoints parameters Spare Part List-Large Display OnlySpare part list parameters-large display only Event log parametersSensor data Set alarms parametersDisplay setup parameters Active AlarmsActive alarms parameters Total run hours parameters Timer parameters-Sleep ModeService contacts parameters Service Menu Parameters Unit diary parameters Unit Diary-Large Display OnlyMaintenance / wellness settings parameters Standby settings / lead-lag parametersWellness COMP2 Wellness HEAT2 Diagnostics / service mode parameters ALM REL 7of Delay Enable Disab Enable Disab Comp 1 Overload Unit X Disconnected WRN Loss of Power LOP MSG, WRN, ALM Call Service MSG, WRN, ALM High Temperature Sensor calibration / setup parameters System / network setup parameters-large display only GBP Network setup parametersStatic RAM Not Available, Invalid, OK HUM Steam Options setup parametersService contact info parameters Service Menu Parameters Service Menu Parameters Page Iti Ne tTi n That
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