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Table 6
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Keyboard Directory
STATUS
QUICK TEST
KEYBOARD ENTI DISPLAY KEYBOARD ENTRY
DISPLAY COMMENT
Factory/field test of
inputs
Leaving water
temperature
Entering water
temperature
Saturated suction temp
circuit A
Compressor suction
gas temp circuit A
Saturated suction temp
circuit B
Compressor suction
gas temp circuit B
Reset temperature
Loss of charge switch
circuit A
Loss of charge switch
circuit B
Oil pressure switch
circuit A
Oil pressure switch
Circuit B
Factory/field test of
outputs
Circuit A liquid line
solenoid test
Circuit B liquid line
solenoid test
Unloader A test
Unloader B test
Circurt A EXV open test
Circuit AEXVclosetest
Circuit B EXV open test
Circuit B EXV close test
Factory/field test of
compressors
Circuit A compressor 1
test
Circuit A compressor 2
test
Circuit B compressor 1
test
Circuit B compressor 2
test
COMMENT
Current alarm displays
Alarm 1
Alarm 2
Alarm 3
Current operating
mode displays
Mode 1
Capacity stages
Stage number
Current operating
set point
Leaving chilled water
set point
INPUTS
LWT X
EWT X
SSTA X
CGTA X
SSTB X
CGTB X
RST X
LCSA X
LCSB X
OILA X
OILB X
OUTPUTS
SLDA X
SLDB X
UNLA X
UNLB X
EXVAO X
EXVAC X
EXVBO X
EXVBC X
COMP
CA1 X
CA2 X
CBI X
CB2 X
X ALARMS
ALARM X
ALARM X
ALARM X
MODE
MODE X
STAG ES
X STAGE
q
4
El
+
r=
c
0
c
0
+
0
c
cl
4
ill
c
SET POlNT
If unit is in dual set point mode the set point currently in effect
is displayed. ’
0
t
El
4
Leaving water
temperature
System temperatures
Cooler leaving water
temp
Cooler entering water
temp
Saturated suction temp
circuit A
Compressor suction
gas temperature
circuit A
Superheat temp
circuit A
Saturated suction temp
circuit B
Compressor suction
gas temperature
circuit B
Superheat temp
circuit B
Reset temperature
Systems pressures
Circuit A loss of charge
switch
Circuit A oil pressure
switch
Circuit B loss of charge
switch
Circuit B oil pressure
switch
System analog values
Circuit A EXV valve
position
Circuit B EXV valve
position
TEMPS
LWT X
EWT X
SSTA X
CGTA X
SHA X
SSTB X
CGTB X
SHB X
RST X
PRESS
LCSA X
OILA X
LCSB X
OILB X
0
i
G
i
cl
4
17
4
0
4
c
4
c
+
Cl
$
During test of compressors, each compressor will start and
run for 10 seconds. Compressor servicevalves and the liquid
line valve must be open. Energize compressor crankcase
heaters for 24 hours prior to performing compressor tests.
ANALOG
EXVA X
EXVB X
p-Jm
END TEST
I
Leave quick test
7