Table 6 - Keyboard Directory
S T A T U S
KEYBOARD ENTI DISPLAYC O M M E N T
QUICK TEST
KEYBOARD ENTRY | DISPLAY | C O M M E N T |
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X ALARMS Current alarm displays
ALARM X Alarm 1
ALARM X Alarm 2
ALARM X Alarm 3
M O D ECurrent operating mode displays
MODE X Mode 1
STAG ES | Capacity stages |
X STAGE Stage number
SET POlNT Current operating set point
Leaving chilled water set point
If unit is in dual set point mode the set point currently in effect
is displayed. ’
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| Leaving water |
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| temperature |
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| TEMPS | System | temperatures | ||||||
| L W T | X | Cooler | leaving water | |||||
i |
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| temp |
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EWT | X | Cooler | entering | water | |||||
0 |
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| temp |
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i |
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SSTA | X | Saturated | suction | temp | |||||
G |
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| circuit |
| A |
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| CGTA | X | Compressor | suction | |||||
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| gas | temperature |
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| circuit | A |
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4 | S H A | X | Superheat | temp |
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17 |
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| circuit | A |
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| SSTB | X | Saturated | suction | temp | ||||
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| circuit | B |
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| CGTB | X | Compressor | suction | |||||
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| gas | temperature |
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| circuit | B |
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| S H B | X | Superheat | temp |
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| circuit | B |
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| RST | X | Reset | temperature | |||||
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| PRESS | Systems | pressures | ||||||
| LCSA | X | Circuit A loss of charge | ||||||
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| switch |
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+ | OILA | X | Circuit | A | oil | pressure | |||
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| switch |
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LCSB | X | Circuit B loss of charge | |||||||
c |
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$ |
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| switch |
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OILB | X | Circuit | B | oil | pressure | ||||
Cl |
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| switch |
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q4
El+ r=c 0c
0+
0c cl4
illc
0t
El4
cl4
04
c4
INPUTS
L W T 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
U N L B X
EXVAO X
EXVAC X
EXVBO X
EXVBC X
COMP
C A 1 X
CA2 X
CBI X
CB2 X
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
A N A L O G | System analog values | ||
EXVA X | Circuit | A EXV valve | |
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EXVB X | Circuit | B EXV valve | |
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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.
| END TEST | Leave quick test |
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7
