Specifications

32
Table 3 — ICVC Display Data (cont)
EXAMPLE 14B — SURGPREV DISPLAY SCREEN (Machines with Serial Numbers 1410Qxxxxx and Later
or Version 9 or Later Software)
To access this display from the ICVC default screen:
1. Press .
2. Press .
3. Scroll down to highlight .
4. Press .
5. Scroll down to highlight .
6. Press .
NOTE: All variables with CAPITAL LETTER point names are available for CCN read operation; forcing shall not be supported on maintenance
screens.
EXAMPLE 15 — ISM_HIST DISPLAY SCREEN
To access this display from the ICVC default screen:
1. Press .
2. Press .
3. Scroll down to highlight .
4. Press .
5. Scroll down to highlight .
6. Press .
NOTE: All variables with CAPITAL LETTER point names are available for CCN read operation; forcing shall not be supported on maintenance
screens.
DESCRIPTION STATUS UNITS POINT
Active Region 0-2 ACT_REG
Surge Prevention Active? 0/1 No/Yes SHG_ACT
Actual Guide Vane Pos 0-100 % GV_POS
Active Delta Tsat 0-150 ^F DTS_A
Surge Line Delta Tsat 0-150 ^F DTS_C
Chilled Water Delta T –40-245 ^F CHWDT
HGBP On Delta T 0.5-10.0 ^F HGBP_ON
HGBP Off Delta T 1.5-20.0 ^F HGBP_OFF
Guide Vane Delta –2.0-2.0 % GV_DELTA
Target Guide Vane Pos 0-100 % GV_OUT
Target VFD Speed 0-100 % VFD_TRG
Speed Change in Effect 0-5 SPD_CHG
VFD Speed Factor 0.000-1.000 VFD_SPD
Surge Counts 0-99 SC
Surge Protection Counts 0-4 SPC
Ramp Loading Active 0/1 No/Yes RAMP_ACT
VFD Rampdown Active 0/1 No/Yes VFD_RAMP
HGBP/VFD Active 0-2 HGBP_VFD
VFD Load Factor 0.00-1.20 VFD_RAT
Hot Gas Bypass Relay 0/1 Off/On HGBYPASS
Surge Limit/HGBP Option 0-2 HGBP_OPT
Override Inhibit Active 0/1 No/Yes VANE_INH
Override Decrease Active 0/1 No/Yes VANE_DEC
DESCRIPTION STATUS UNITS POINT
ISM FAULT HISTORY
Values At Last Fault:
Line Current Phase 1 0-99999 AMPS AMPS_H1
Line Current Phase 2 0-99999 AMPS AMPS_H2
Line Current Phase 3 0-99999 AMPS AMPS_H3
Line Voltage Phase 1 0-99999 VOLTS VOLTS_H1
Line Voltage Phase 2 0-99999 VOLTS VOLTS_H2
Line Voltage Phase 3 0-99999 VOLTS VOLTS_H3
Ground Fault Phase 1 0-999 AMPS GRFT_H31
Ground Fault Phase 2 0-999 AMPS GRFT_H23
Ground Fault Phase 3 0-999 AMPS GRFT_H12
I2T Sum Heat-Phase 1 0-200 % SUM1HT_H
I2T Sum Heat-Phase 2
0-200 % SUM2HT_H
I2T Sum Heat-Phase 3 0-200 % SUM3HT_H
Phase 1 Faulted? 0/1 NO/YES PHASE_H1
Phase 2 Faulted? 0/1 NO/YES PHASE_H2
Phase 3 Faulted? 0/1 NO/YES PHASE_H3
Line Frequency 0-99 Hz FREQ_H
ISM Fault Status 0-9999 ISMFLT_H
MENU
SERVICE
CONTROL ALGORITHM STATUS
SELECT
SURGPREV
SELECT
MENU
SERVICE
CONTROL ALGORITHM STATUS
SELECT
ISM_HIST
SELECT