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Table 90 — Auto View of Run Status Display Table
Table 91 — Economizer Run Status Display Table
Table 92 — Cooling Information Display Table
ITEM
EXPANSION
RANGE
UNITS
POINT
WRITE STATUS
VIEW
AUTO VIEW OF RUN STATUS
HVAC
ascii string spelling out the hvac modes
string
OCC
Occupied ?
YES/NO
OCCUPIED
forcible
MAT
Mixed Air Temperature
dF
MAT
EDT
Evaporator Discharge Tmp
dF
EDT
LAT
Leaving Air Temperature
dF
LAT
EC.C.P
Economizer Control Point
dF
ECONCPNT
ECN.P
Economizer Act.Curr.Pos.
0 to 100
%
ECONOPOS
CL.C.P
Cooling Control Point
dF
COOLCPNT
C.CAP
Current Running Capacity
CAPTOTAL
HT.C.P
Heating Control Point
dF
HEATCPNT
HT.ST
Requested Heat Stage
HT_STAGE
H.MAX
Maximum Heat Stages
HTMAXSTG
ITEM
EXPANSION
RANGE
UNITS
POINT
WRITE STATUS
ECON
ECONOMIZER RUN STATUS
ECN.P
Economizer Act.Curr.Pos.
0 to 100
%
ECONOPOS
ECN.C
Economizer Act.Cmd.Pos.
0 to 100
%
ECONOCMD
forcible
ACTV
Economizer Active ?
YES/NO
ECACTIVE
DISA
ECON DISABLING CONDITIONS
UNAV
Econ Act. Unavailable?
YES/NO
ECONUNAV
R.EC.D
Remote Econ. Disabled?
YES/NO
ECONDISA
DBC
DBC - OAT Lockout?
YES/NO
DBC_STAT
DEW
DEW - OA Dewpt.Lockout?
YES/NO
DEW_STAT
DDBC
DDBD- OAT > RAT Lockout?
YES/NO
DDBCSTAT
OAEC
OAEC- OA Enth Lockout?
YES/NO
OAECSTAT
DEC
DEC - Diff.Enth.Lockout?
YES/NO
DEC_STAT
EDT
EDT Sensor Bad?
YES/NO
EDT_STAT
OAT
OAT Sensor Bad ?
YES/NO
OAT_STAT
FORC
Economizer Forced ?
YES/NO
ECONFORC
SFON
Supply Fan Not On 30s ?
YES/NO
SFONSTAT
CLOF
Cool Mode Not In Effect?
YES/NO
COOL_OFF
OAQL
OAQ Lockout in Effect ?
YES/NO
OAQLOCKD
HELD
Econ Recovery Hold Off?
YES/NO
ECONHELD
DH.DS
Dehumid Desabled Econ?
YES/NO
DHDISABL
O.AIR
OUTSIDE AIR INFORMATION
OAT
Outside Air Temperature
dF
OAT
forcible
OA.RH
Outside Air Rel. Humidity
%
OARH
forcible
OA.E
Outside Air Enthalpy
OAE
OA.D.T
OutsideAir Dewpoint Temp
dF
OADEWTMP
ITEM
EXPANSION
RANGE
UNITS
POINT
WRITE STATUS
COOL
COOLING INFORMATION
C.CAP
Current Running Capacity
%
CAPTOTAL
CUR.S
Current Cool Stage
COOL_STG
MAX.S
Maximum Cool Stages
CLMAXSTG
DEM.L
Active Demand Limit
%
DEM_LIM
forcible
SUMZ
COOL CAP. STAGE CONTROL
SMZ
Capacity Load Factor
–100
+100
SMZ
ADD.R
Next Stage EDT Decrease
^F
ADDRISE
SUB.R
Next Stage EDT Increase
^F
SUBRISE
R.PCT
Rise Per Percent Capacity
RISE_PCT
Y.MIN
Cap Deadband Subtracting
Y_MINUS
Y.PLU
Cap Deadband Adding
Y_PLUS
Z.MIN
Cap Threshold Subtracting
Z_MINUS
Z.PLU
Cap Threshold Adding
Z_PLUS
H.TMP
High Temp Cap Override
HI_TEMP
L.TMP
Low Temp Cap Override
LOW_TEMP
PULL
Pull Down Cap Override
PULLDOWN
SLOW
Slow Change Cap Override
SLO_CHNG
HMZR
HUMIDIMIZER
CAPC
Humidimizer Capacity
HMZRCAPC
C.EXV
Condenser EXV Position
COND_EXV
B.EXV
Bypass EXV Position
BYP_EXV
RHV
Humidimizer 3-Way Valve
HUM3WVAL
C.CPT
Cooling Control Point
COOLCPNT
EDT
Evaporator Discharge Tmp
EDT
H.CPT
Heating Control Point
HEATCPNT
LAT
Leaving Air Temperature
LAT
Summary of Contents for WEATHERMAKER 48A2020
Page 112: ...112 Fig 20 Typical Main Control Box Wiring Schematic 48 50A Units ...
Page 113: ...113 Fig 21 Typical Auxiliary Control Box Wiring Schematic ...
Page 114: ...114 Fig 22 Typical 2 Stage Gas Heat Wiring Schematic Size 060 Units Shown ...
Page 115: ...115 Fig 23 Typical Staged Gas Heat Wiring Schematic Size 060 Units Shown TO NEXT PAGE ...
Page 116: ...116 Fig 23 Typical Staged Gas Heat Wiring Schematic Size 060 Units Shown cont ...
Page 117: ...117 Fig 24 Typical Electric Heat Control Schematic 50 Series Size 060 Units Shown ...
Page 118: ...118 Fig 25 Typical Controls Option Wiring Schematic SW1 SW2 OR DEHUMIDIFY SWITCH ...
Page 119: ...119 Fig 26 Typical Power Schematic 48 50A2 A3 A4 A5 060 Unit Shown ...
Page 120: ...120 Fig 27 Typical Power Schematic of Greenspeed Low Ambient Option 48 50A 060 Unit Shown ...
Page 121: ...121 Fig 28 Typical Small Chassis Component Location Size 020 035 Units ...
Page 122: ...122 Fig 29 Typical Large Chassis Component Locations Size 040 060 Units ...
Page 185: ...185 APPENDIX C VFD INFORMATION cont Fig F Internal Enclosure Fan Replacement A48 7716 ...