Figure 93 Service Menus-Diagnostics / Service Mode Parameters Screen - Emerson Liebert CRV User Manual

S313 Manual Mode—Places the Liebert iCOM
necessary to activate any of the subsequent items. Manual Mode is used to check components and
operation of the unit for proper operation and performance.
To use Manual Mode enter the password, 5010, and select YES on line S313. With the exception
of Compressor Evacuate Mode, Manual Mode will time out after 30 minutes of inactivity. When
finished running components in Manual Mode, change line S313 back to NO. All the
corresponding components changed with Manual Mode enabled will go back to Normal. The unit
will resume operation as it was before Manual Mode was enabled. Safety routines, such as
overload alarms, high pressure lockout, etc., will prevent some features from being used. If an
alarm has been disabled but is active, some Manual Mode functions will not work.
S314 Motor(s)—Setting this option to On will start the main fan of the unit. The main fan must be
On before any of the following overrides can be activated. Compressor Evacuate Mode does not
require motor(s).
S315 Compressor 1—Turns on Compressor 1 and selects the mode of compressor operation. The
operation selections are RUN, EVACUATE and CHARGE.
To access each mode, press the Enter key while S315 is highlighted. Press the Right Arrow key to
advance to the left. The compressor mode can be changed by pressing the Up or Down arrow key.
Once the desired mode is shown, press the Enter key. The compressor state to the far right must
be placed to On if Run Mode or Charge Mode has been selected. No further action is required for
Evacuate Mode.
Run Mode: Allows the compressor to run at any given capacity. The compressor capacity can be
adjusted on line S317.
Evacuate Mode: Allows all solenoid valves in the refrigerant circuit to open, while the
compressor remains Off. This mode is can be used for either leak checking or evacuation. This
mode does not have a timeout period.
Charge Mode: This function allows the compressor to run at 100% loaded capacity for 30
minutes at a time. The suction pressure must be at least 15 psi or the compressor will be stopped.
S316 Compressor 1 Capacity—Enables Compressor 1 Cycle Ramp.
S317 Compressor 1 Cycle Ramp—Allows selecting the capacity the compressor should run at. The
range is 20 - 100%.
S318 Compressor 1 LLSV (Read only)—Shows status of the the liquid line solenoid valve for
Compressor 1. See line S315 to energize the LLSV for leak check and evacuation.
Figure 93 Service menus—Diagnostics / service mode parameters screen - Page 3
S324 Electric Heat 1 (or HG/HW)—Activates Stage 1 of the unit's reheat system.
S326 Dehumidification Envelope (Read only): Off/Active status of dehumidification. Off means
the unit is permitted to dehumidify. Active means the dehumidification is suspended due to excessive
dehumidification run time. Also see S305.
S327 Dehumidification Output (Read only)—Shows the On/Off status of for dehumidification.
S328 Humidifier Fill—Activates just the humidifier water source solenoid valve, which fills the
humidifier pan or canister with water. This line does not apply to units manufactured by Liebert
North America.
control in manual mode. This is the initial setting is
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Liebert iCOM Control
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Liebert CRV