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VCCX2 Controller Technical Guide
RSMV / RSMD MODULE TREND LOGS
(TYPICAL OF 4 RSM MODULES)
Item Description Log Abbreviation (Unit)
Condenser A1 Superheat 1SprHeat3 (ºF)
Condenser A2 Superheat 1SprHeat4 (ºF)
Superheat Setpoint 1SprHtSP (ºF)
Saturation (Suction) Setpoint 1CoilSP (ºF)
Leaving Water Temperature 1LvgWater (ºF)
A1 Discharge Temperature 1DisChg1 (ºF)
A2 Discharge Temperature 1DisChg2 (ºF)
Relays 1 Status 1Relays1 (Bit String)*
* Bit String and Enumerated Value information and interpretation is
explained in the paragraphs and tables at the end of this section.
RSMZ MODULE TREND LOGS
(TYPICAL OF 4 RSM MODULES)
Item Description Log Abbreviation (Unit)
System Status SYSState (Bit String)*
System Command SYSCmd ((Bit String)*
A1 Compressor Modulating
Position
1Comp1Perc (%)
A1 Condenser Fan Position 1CondFan (%)
A1 Discharge Pressure 1DisPrs (PSI)
A1 Discharge Line
Temperature
1DisLnTmp (ºF)
A1 Suction Pressure 1SucPr (PSI)
A1 Suction Line Temperature 1SucLnTmp (ºF)
A1 Saturation Temperature 1SatTmp (ºF)
A1 Superheat 1Superheat (ºF)
A1 Expansion Valve Position 1EEV1Pos (%)
A1 Compressor Current 1CompCur (Amps)
A1 Compressor Status 1Comp1Stat
(Bit String)*
A1 Compressor VFD Status 1VFDStat (Bit String)*
A1 RSM Alarms 1RSMAlrms (Bit String)*
A1 VFD Alarms 1 1VFDAlrm1 (Bit String)*
A1 VFD Alarms 2 1VFDAlrm2 (Bit String)*
A1 Subcooling Temperature 1Subcool 1Subcool (ºF)
* Bit String and Enumerated Value information and interpretation is
explained in the paragraphs and tables at the end of this section.
Table 6: RSMV / RSMD Module Trend Logs
(continued)
Table 7: RSMZ Module Trend Logs
TREND LOG ENUMERATED VALUES
Item Description Value Description
Mode
0 Unoccupied
1 Occupied
2 Push Button Override Active
HVAC
0 O
1 Vent Mode
2 Cooling Mode
3 Heating Mode
4 Vent Dehumidify Mode
5 Cool Dehumidify Mode
6 Heat Dehumidify Mode
7 Warm-up Mode
8 Fan Purge Mode
9 Defrost Mode
10 Push Button Override Active
Table 8: Trend Log Enumerated Values
SEQUENCE OF OPERATIONS
RSMV/RSMD/RSMZ Trend Logs and Trend Log Enumerated Values
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