United Technologies Carrier Weathermaker 48A2, Controls, Start-Up, Operation, Service, And Troubleshooting

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APPENDIX A — LOCAL DISPLAY TABLES (cont)
MODE — SERVICE TEST (cont)
MODE — TEMPERATURES
MODE — PRESSURES
MODE — SETPOINTS
ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS PAGE NO.
HMZR TEST HUMIDIMIZER
RHV HumidiMiZer 3-Way Valve ON/OFF RHV_TST 25
C.EXV Condenser EXV Position 0-100 % CEXVHTST 25
B.EXV Bypass EXV Position 0-100 % BEXVHTST 25
C.CAL Condenser EXV Calibrate ON/OFF CEXV_CAL 25
B.CAL Bypass EXV Calibrate ON/OFF BEXV_CAL 25
ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS
AIR.T AIR TEMPERATURES
CTRL CONTROL TEMPS
EDT Evaporator Discharge Tmp dF EDT
LAT Leaving Air Temperature dF LAT
MAT Mixed Air Temperature dF MAT
R.TMP Controlling Return Temp dF RETURN_T forcible
S.TMP Controlling Space Temp dF SPACE_T forcible
SAT Air Tmp Lvg Supply Fan dF SAT
OAT Outside Air Temperature –40 - 240 dF OAT forcible
RAT Return Air Temperature dF RAT forcible
SPT Space Temperature –40 - 240 dF SPT forcible
CCT Air Temperature Leaving Evap Coil ^F CCT
SPTO Space Temperature Offset ^F SPTO forcible
S.G.LS Staged Gas LAT Sum dF LAT_SGAS
S.G.L1 Staged Gas LAT 1 dF LAT1SGAS
S.G.L2 Staged Gas LAT 2 dF LAT2SGAS
S.G.L3 Staged Gas LAT 3 dF LAT3SGAS
S.G.LM Staged Gas Limit Sw.Temp dF LIMSWTMP
REF.T REFRIGERANT TEMPERATURES
SCT.A Cir A Sat.Condensing Tmp –40 - 240 dF SCTA
SST.A Cir A Sat.Suction Temp. –40 - 240 dF SSTA
SCT.B Cir B Sat.Condensing Tmp –40 - 240 dF SCTB
SST.B Cir B Sat.Suction Temp. –40 - 240 dF SSTB
DT.DS DS Discharge Temperature –40 - 240 dF DTDS
ITEM EXPANSION RANGE UNITS CCN POINT WRITE STATUS
AIR.P AIR PRESSURES
SP Static Pressure " H2O SP
BP Building Pressure " H2O BP
REF.P REFRIGERANT PRESSURES
DP.A Cir A Discharge Pressure PSIG DP_A
SP.A Cir A Suction Pressure PSIG SP_A
DP.B Cir B Discharge Pressure PSIG DP_B
SP.B Cir B Suction Pressure PSIG SP_B
ITEM DESCRIPTION RANGE UNITS CCN POINT DEFAULT
OHSP Occupied Heat Setpoint 40-99 dF OHSP 68
OCSP Occupied Cool Setpoint 40-99 dF OCSP 75
UHSP Unoccupied Heat Setpoint 40-99 dF UHSP 55
UCSP Unoccupied Cool Setpoint 40-99 dF UCSP 90
GAP Heat-Cool Setpoint Gap 2-10 ^F HCSP_GAP 5
V.C.ON VAV Occ. Cool On Delta 0-25 ^F VAVOCON 3.5
V.C.OF VAV Occ. Cool Off Delta 1-25 ^F VAVOCOFF 2
SASP Supply Air Setpoint 45-75 dF SASP 55
SA.HI Supply Air Setpoint Hi 45-75 dF SASP_HI 55
SA.LO Supply Air Setpoint Lo 45-75 dF SASP_LO 60
SA.HT Heating Supply Air Setpt 80-120 dF SASPHEAT 85
T.PRG Tempering Purge SASP –20-80 dF TEMPPURG 50
T.CL Tempering in Cool SASP 5-75 dF TEMPCOOL 5
T.V.OC Tempering Vent Occ SASP –20-80 dF TEMPVOCC 65
T.V.UN Tempering Vent Unocc. SASP –20-80 dF TEMPVUNC 50