Table 2 — LID Screens (cont)
EXAMPLE 10 — MAINTENANCE (MAINT01) DISPLAY SCREEN
To access this display from the LID default screen:
1. Press
MENU
.
2. Press SERVICE .
3. Scroll down to highlight ALGORITHM STATUS.
4. Press SELECT .
5. Scroll down to highlight MAINT01.
DESCRIPTION
RANGE/STATUS
UNITS
REFERENCE POINT NAME
CAPACITY CONTROL
Control Point
10-120 (–12.2-48.9)
DEG F (DEG C)
ctrlpt
Leaving Chilled Water
–40-245 (–40-118)
DEG F (DEG C)
LCW
Entering Chilled Water
–40-245 (–40-118)
DEG F (DEG C)
ECW
Control Point Error
–99-99 (–55-55)
DEG F (DEG C)
cperr
ECW Delta T
–99-99 (–55-55)
DEG F (DEG C)
ecwdt
ECW Reset
–99-99 (–55-55)
DEG F (DEG C)
ecwres
LCW Reset
–99-99 (–55-55)
DEG F (DEG C)
lcwres
Total Error + Resets
–99-99 (–55-55)
DEG F (DEG C)
error
Guide Vane Delta
–2-2
%
gvd
Target Guide Vane Pos
0-100
%
GV
TRG
Actual Guide Vane Pos
0-100
%
GV
ACT
Proportional Inc Band
2-10
gv
inc
Proportional Dec Band
2-10
gv
dec
Proportional ECW Gain
1-3
gv
ecw
Water/Brine Deadband
0.5-2 (0.3-1.1)
DEG F (DEG C)
cwdb
NOTE: Overriding is not supported on this maintenance screen. Active overrides show the associated point in alert (!). Only values with capital letter
reference point names are variables available for read operation on a CCN.
EXAMPLE 11 — MAINTENANCE (MAINT02) DISPLAY SCREEN
To access this display from the LID default screen:
1. Press
MENU
.
2. Press SERVICE .
3. Scroll down to highlight CONTROL ALGORITHM STATUS.
4. Press SELECT .
5. Scroll down to highlight MAINT02.
6. Press SELECT .
DESCRIPTION
RANGE/STATUS
UNITS
REFERENCE POINT NAME
OVERRIDE/ALERT STATUS
MOTOR WINDING TEMP
–40-245 (–40-118)
DEG F (DEG C)
MTRW
Override Threshold
150-200 (66-93)
DEG F (DEG C)
mt
over
CONDENSER PRESSURE
–6.7-420 (–42-2896)
PSI (kPa)
CRP
Override Threshold
90-245 (621-1689)
PSI (kPa)
cp
over
EVAPORATOR REFRIG TEMP
–40-245 (–40-118)
DEG F (DEG C)
ERT
Override Threshold
2-45 (1-7.2)
DEG F (DEG C)
rt
over
DISCHARGE TEMPERATURE
–40-245 (–40-118)
DEG F (DEG C)
CMPD
Alert Threshold
125-200 (52-93)
DEG F (DEG C)
cd
alert
BEARING TEMPERATURE
–40-245 (–40-118)
DEG F (DEG C)
MTRB
Alert Threshold
175-185 (79-85)
DEG F (DEG C)
tb
alert
22
Summary of Contents for 19EF Series
Page 10: ...Fig 5 19EF Controls and Sensor Locations cont 10...
Page 13: ...Fig 12 19EF Menu Structure 13...
Page 14: ...Fig 13 19EF Service Menu Structure 14...
Page 38: ...Fig 24 19EF Leak Test Procedures 38...
Page 69: ...Fig 36 Electronic PIC Controls Wiring Schematic 69...
Page 70: ...Fig 36 Electronic PIC Controls Wiring Schematic cont 70...
Page 71: ...Fig 37 Machine Power Panel Starter Assembly and Motor Wiring Schematic 71...
