52VCCX2 Controller Technical Guide
SEQUENCE OF OPERATIONS
Trend Logs
RSMV / RSMD MODULE TREND LOGS (TYPICAL
OF 4 RSM MODULES)
DESCRIPTION ABBREVIATION (UNIT)
Compressor A1 Status 1A1Stat (Bit String)*
Compressor A2 Status 1A2Stat (Bit String)*
Compressor A1 Modulating Position 1Comp1 (%)
Compressor A2 Modulating Position 1Comp2 (%)
Condenser A1 Modulating Position 1Cond1 (%)
Condenser A2 Modulating Position 1Cond2 (%)
A1 Expansion Valve 1EXV1 (%)
A2 Expansion Valve 1EXV2 (%)
Condenser A1 Expansion Valve 1EXV3 (%)
Condenser A2 Expansion Valve 1EXV4 (%)
A1 Head Pressure 1HeadPr1 (PSI)
A2 Head Pressure 1HeadPr2 (PSI)
A1 Suction Pressure 1SuctPr1 (PSI)
A2 Suction Pressure 1SuctPr2 (PSI)
A1 Saturation Temperature 1SuctTmp1 (ºF)
A2 Saturation Temperature 1SuctTmp2 (ºF)
A1 Suction Line Temperature 1CoilTmp1 (ºF)
A2 Suction Line Temperature 1CoilTmp2 (ºF)
A1 Condenser Suction Temp 1CoilTmp3 (ºF)
A2 Condenser Suction Temp 1CoilTmp4 (ºF)
A1 Superheat 1SprHeat1 (ºF)
A2 Superheat 1SprHeat2 (ºF)
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)
Relay Status 1Relay1 (Bit String)*
* Bit String and Enumerated Value information and interpretation is
explained in the paragraphs and tables at the end of this section.
Table 13: RSMV/RSMD Module Trend Logs
RSMZ TREND LOG ENUMERATED VALUES
ITEM 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 Cool Down Mode
Table 14: RSMZ Trend Log Enumerated Values
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