Emerson Liebert CRV 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C R 0 2 0 R A 1 C 7 S D 1 8 1 1 E L 1 0 P A - Manual (Page 89)

Liebert iCOM ® Control
81 Liebert ® CRV ™
Humidifier Fill—This activates just the humidifier water source solenoid valve which fills the
humidifier pan or canister with water.
Humidifier—This activates the humidifier system in its entirety.
Humidifier Drain—This activates just the humidifier drain solenoid in the case of the steam
generating humidifier, allowing water to drain from the canister.
Humidifier Current—In the case of the steam generating humidifier option this setting shows the
amount of AC amperes the system is consuming.
Figure 70 Diagnostics / service mode parameters screen - Page 4
Alarm Relay—This allows the user to activate the Liebert iCOM ® control’s common alarm relay
output.
Warning Relay—This allows the user to activate the Liebert iCOM control’s free-cooling relay
output.
3P Actuator Open—This setting will energize the open circuit of the 3P type chilled or freecooling
control valve thus journeying it to the open state.
3P Actuator Close—This setting will energize the close circuit of the 3P type chilled or freecooling
control valve thus journeying it to the closed state.
Current Fanspeed (Read only)—Shows the analog output for the fan in automatic mode.
Fanspeed Manual Setpoint (Read only)—Drives the analog output for the fan in manual mode.
Condenser Control Mode—Defines the condenser control mode in manual or auto mode during
compressor manual mode.
Current MBV / CWV (AnaOut2) (Read only)—Shows the analog output for the MBV (motorized
ball valve) or analog CWV (chilled water valve) in automatic mode.
Manual MBV (AnaOut2)—Drives the analog output for the condenser valve (MBV) in manual
mode.
Manual CWV (AnaOut2)—Drives the analog output for the analog CWV (chilled water valve) in
manual mode.
to change parameter
for next/previous unit to select parameter
to confirm then
S334
S335
S336
S337
S338
S339
S340
S341
S342
S343
S344 PASSWORD (Actual Level 0) ????
Alarm Relay Off
Warning Relay Off
3P Actuator Open Off
3P Acuator Close Off
Current Fanspeed
Fanspeed Manual Setpoint
Condenser Control Mode
Auto
Current MBV/CWV (AnaOut 2) 75%
Manual MBV (AnaOut2) 100%
Manual CWV (AnaOut2) %
DIAGNOSTICS/SERVICE MODE (page 4 of 6) UNIT 01