56 Chapter 5 iCOM Controller
Parameters Default Setting range Description
S142 TRANS CH 2% 0.1 ~ 100% Transition Change
S146 FANSPEED Auto
Auto, Man, ECO, SUP,
DELT
VSD Fanspeed
S147 VSD SET 100% 0 ~ 100% Standard speed of the unit
S148 VSD MIN 60% 0 ~ 100% Minimum speed of the unit
S149 VSD DEH 60% 0 ~ 100% Speed used during dehum
S150 VSD NOP 100% 0 ~ 100% Speed used when CI is active
S151 FF0% 0.2%/s 0 ~ 100%/s Fanspeed Change (at 0%)
S151 FF100% 1%/s 0 ~ 100%/s Fanspeed Change (at 100%)
S152 FRD 0s 0 ~ 300s Fanspeed Reposition Delay
S153 HAD - - -
S154 HAP 6°C 2 ~ 30°C Fanspeed P-Band
S155 HAI 5min 0 ~ 15min Fanspeed Integration
S157 SCR TYPE - - -
S158 CO1 ON - - -
S159 CO1 OFF - - -
S160 CO1 TD - - -
S161 CO2 ON - - -
S162 CO2 OFF - - -
S163 CO2 TD - - -
S164 CYCLET - - -
S165 SCR FACT - - -
S166 ACT SCR - - -
5.7.3 STANDBY
The parameters of the STANDBY menu are described in Table 5-12.
Table 5-12 Descriptions of STANDBY parameters
Parameters Default Setting range Description
S502 #STANDBY 1 0 ~ 32 Number of standby units
S503 ROTATION Daily
No, Daily,
MON ~ SUN,
M - MON ~ M
- SUN
Rotation frequency setting of the running and standby units. Range:
Daily: rotate once a day.
MON ~ SUN: rotate once a week. The rotation occurs on Monday ~ Sunday
of the week. For example, MON means rotation occurs on Monday of every
week.
M - MON ~ M - SUN: rotate once a month. The rotation occurs on Monday ~
Sunday of the first week of the month. For example, M - MON means rotation
occurs on Monday of the first week of every month
S504 ROT HOUR hr - Used to set the hour of the detailed time while rotation
S505 ROT MIN min - Used to set the minute of the detailed time while rotation
S506 ROT BY 1 1 ~ 8 The unit number for a rotation
S507 DO ROT No Yes, No Perform one rotation
S508 CASCADE No
CO/HE,
Cool, Yes,
No
Cascade function selection. ‘Yes’ corresponds to temperature and humidity
control and ‘no’ corresponds to closing the cascade
S509 STBY HT No Yes, No Whether to start all standby units upon high temperature alarm
5.7.4 WELLNESS
The iCOM controller calculates the bonus and penalty over the equipment maintenance based on the parameters in
the WELLNESS menu and the equipment operation historical data, so as to find out the next system maintenance
time.
Informing the maintenance personnel of the maintenance time makes the air conditioner run in the optimal mode,
which reduces the chances of faults and raises the system reliability.
The WELLNESS menu includes nine groups of parameters, including WELLNESS BASICs, and WELLNESS MOTOR,
WELLNESS COMPs, WELLNESS HEATs and WELLNESS HUM. See Table 5-13 ~ Table 5-21 for detailed parameter
descriptions.
Liebert.PEX2 Series Air Conditioner User Manual
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