64 Chapter 5 iCOM Controller
Liebert.PEX2 Series Air Conditioner User Manual
Parameters Default Setting range Description
S838 GW #1 0
S838 GW #2 0
S838 GW #3 0
S838 GW #4 0
- Set gateway address
S840 U2U PROT GBP - -
S841 U2U ADD 3 - Group address No. of this unit
S842 U2U GRP 1 - -
S843 BL CTRL No S + R, No
Boot program variant load. Saving the change of S835 ~ S841 needs
the S + R command of this parameter. The system will reset after the
saving, and configure according to the new parameters
S843 BL STAT Change Change, Valid
Indication of whether or not the parameters set through S835 ~ S841
are saved. ‘Change’ means that the parameter is changed but not
saved. ‘Valid’ means that the setting is valid and saved
S844 SR CTRL No C + R, No
Static RAM data reset control. If the change of S835 ~ S841 are not
saved, using the C + R command in this parameter can restore S835
~ S841 to their original settings, and the system will reset afterwards
S844 SR STAT Valid - STD
SW# - - Version No. of the control software
MAC
00:00:68:19:
31:70
00:00:68:19:3
1:70
MAC address of the network card of the iCOM controller
NAME UNIT UNIT
Name of the unit. By default: UNIT. You can change the name as
you need
5.7.9 OPTIONS SETUP
The OPTIONS SETUP menu is used to set the parameters according to the equipment-specific demands. See Table
5-28 for detailed descriptions.
Table 5-28 Descriptions of OPTIONS SETUP parameters
Parameters Default Setting range Description
S402 COMP SEQ Auto
Auto, 1
(compressor 1
being the
primary one), 2
(compressor 2
being the
primary one)
Compressor sequence. Range: Auto, 1 (compressor 1 being the
primary one), 2 (compressor 2 being the primary one)
S403 LP DELAY 1min - Low pressure alarm delay
S405 EL HEAT 1 0 ~ 3 Electric heating stages
S406 EL HEAT C - - -
S407 HW HEAT No Yes, No Hot water heating enabled
S408 ALL HEAT 3 0 ~ 3 heating stages.
S409 LWDconn No Yes, No
LWD connected. Range: Yes (water low sensor connected), No
(water low sensor not connected)
S409 V_CTRL Time Time, Feedback -
S410 3P RUN 165s - 3P actuator runtime
S411 3P DIR DIR DIR, REV 3P actuator direction
S413 HUM ENAB Yes Yes, No Humidification enabled
S414 IR FLUSH 150% - Infrared flush rate
S415 HUMSTEAM % - -
S416 HUM CONT On, Off On, Off, Prop Humidifier control mode
S417 HUM.TIME s - Humidifier bottle flush time
S418 HUM.MAN Yes Yes, No Humidifier bottle manual flush enabled
S419 DEHUM EN Yes Yes, No Dehumidification enabled.
S420 REST EN Yes Yes, No Auto restart enabled
S421 RESTART s - Unit auto restart time
S422 ONOFF EN Yes Yes, No
On-off key enabled. If “no” is selected, the ON/OFF key cannot be
used to perform on/off operation on the machine.
S424 CW FLUSH 0hr - Cooling water auto flush time, unit: hr (hour)
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