44
APPENDIX A — CCN TABLES
UNIT (General Unit Configurations)
DESCRIPTION
STATUS
DEFAULT
UNITS
POINT
Number of Compressors
1 – 3
2: 12.5, 25 ton
3: 15, 18, 20 ton
NUM_COMP
Compressor Min On Time
120 – 999
180
sec
MIN_ON
Compressor Min Off Time
300 – 999
300
sec
MIN_OFF
Runtime to Reset Strikes
120 – 999
300
sec
MIN_ON_S
Cool Stage Decrease Rate
120 – 999
300
sec
STAGEDEC
Cool Stage Increase Rate
120 – 999
450
sec
STAGEINC
Fan-off Delay, Mech Cool
0 – 600
60
sec
COOL_FOD
Invert Evaporators
Yes/No
Yes
INVERT_E
Alert Each Strike
Yes/No
Yes
ALM_NOW
Suction OK Temperature
10 – 50
18
dF
SSTOK
Low Suction — Level 1
10 – 50
20
dF
SSTLEV1
Low Suction — Level 2
5 – 50
15
dF
SSTLEV2
Low Suction — Level 3
0 – 50
10
dF
SSTLEV3
Type of Heat Installed
0 = No Heat
1 = Gas
2 = Electric
1: 48 Series
2: 50 Series with electric heat
0: 50 Series with no electric heat
HEATTYPE
Number of Heat Stages
1 – 2
2 (All units except 50HG014 with low heat)
1 (50HG014 with low heat)
NUM_HEAT
Heat Minimum On Time
60 – 999
120
sec
HMIN_ON
Heat Minimum Off Time
60 – 999
120
sec
HMIN_OFF
Heat Stage Decrease Rate
120 – 999
300
sec
HSTAGDEC
Heat Stage Increase Rate
120 – 999
450
sec
HSTAGINC
Fan-off Delay, Elec Heat
10 – 600
30
sec
ELEC_FOD
Fan-off Delay, Gas Heat
45 – 600
45
sec
GAS_FOD
SAT Cool Demand (+) Level
0.5 – 10.0
1.0
^F
SAT_POS
SAT Cool Demand (–) Level
-10.0 – -0.5
-1.0
^F
SAT_NEG
SAT Settling Time
10 – 900
240
sec
SAT_SET
Minimum SAT Upper Level
35.0 – 65.0
58.0
dF
SATMIN_H
Minimum SAT Lower Level
35.0 – 65.0
48.0
dF
SATMIN_L
A1 Current Sensing
Enable/Disable
Enable
A1_SENSE
Circuit A Evaporator Pos
1 – 3
1
CIR_A_P
Circuit A Level 1 Fans
1 – 7
1
CIR_A_1
A Fan Lev1 ON Pressure
0 – 500.0
150.0
PSIG
ALEV1ON
A Fan Lev1 OFF Pressure
0 – 500.0
0.0
PSIG
ALEV1OFF
Circuit A Level 2 Fans
1 – 7
3
CIR_A_2
A Fan Lev2 ON Pressure
0 – 500.0
200.0
PSIG
ALEV2ON
A Fan Lev2 OFF Pressure
0 – 500.0
100.0
PSIG
ALEV2OFF
B1 Current Sensing
Enable/Disable
Enable
B1_SENSE
Circuit B Evaporator Pos
1 – 3
2
CIR_B_P
Circuit B Level 1 Fans
1 – 7
4
CIR_B_1
B Fan Lev1 ON Pressure
0 – 500.0
150.0
PSIG
BLEV1ON
B Fan Lev1 OFF Pressure
0 – 500.0
0.0
PSIG
BLEV1OFF
Circuit B Level 2 Fans
1 – 7
6
CIR_B_2
B Fan Lev2 ON Pressure
0 – 500.0
200.0
PSIG
BLEV2ON
B Fan Lev2 OFF Pressure
0 – 500.0
100.0
PSIG
BLEV2OFF
C1 Current Sensing
Enable/Disable
Enable
C1_SENSE
Circuit C Evaporator Pos
1 – 3
3
CIR_C_P
Circuit C Level 1 Fans
1 – 7
5
CIR_C_1
C Fan Lev1 ON Pressure
0 – 500.0
150.0
PSIG
CLEV1ON
C Fan Lev1 OFF Pressure
0 – 500.0
0.0
PSIG
CLEV1OFF
Circuit C Level 2 Fans
1 – 7
7
CIR_C_2
C Fan Lev2 ON Pressure
0 – 500.0
200.0
PSIG
CLEV2ON
C Fan Lev2 OFF Pressure
0 – 500.0
100.0
PSIG
CLEV2OFF
Содержание 48HG016
Страница 3: ...3 Fig 1 Low Voltage Control Schematic 48HG Units...
Страница 4: ...4 Fig 2 Low Voltage Control Schematic 50HG Units...
Страница 5: ...5 Fig 3 Typical Power Schematic...
Страница 53: ......