Asset:Air Compressor
Rules:
Root: root
    L---- OR
        L---- (ABS[Pressure Pressure Setpoint] > 10 PSI
        L---- (Pressure > 130 PSI IF Pressure Setpoint Not Reporting))
    L---- Met for 2 Hours
Observations:
['Too many or too few compressors are running', 'Pressure sensors need calibration', 'Leaks in air lines']


Asset:Air Compressor
Rules:
Root: root
    L---- The date is NOT a Monday
    L---- Air Flow > (Previous Day's Average Air Flow * 20%)
    L---- Austin using 60 CFM
    L---- Met for 2 Hours
Observations:
['Too many or too few compressors are running', 'A new leak in the air lines', 'Pressure sensors need calibration']


Asset:Air Compressor
Rules:
Root: root
    L---- VFD Speed % > 95%
    L---- Met for 2 Hours
Observations:
['Filters clogged', 'Unit bypassing or blowing off too much air']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Cooling Valve % >= 5%
    L---- OR
        L---- (Heating Valve % >= 5% 
        L----  Preheat Valve % >= 5%)
    L---- Heating Drained Flag = 1 IF Reporting
    L---- Cooling Drained Flag = 1 IF Reporting
    L---- Met for 2 Hours
Observations:
['Check Building Control System is set for either heating or cooling but not both', 'Check for correct operation of the cooling and heating valves', 'Lost signal to valve, Check pneumatic lines or electricity to valve is operating properly', 'Over ride in place']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OR
        L---- (OAT - Supply Air Temperature Setpoint > 5 °F
        L---- OAT - Supply Air Temperature > 5 °F AND Supply Air Temperature  Setpoint Not Reporting)
    L---- OR
        L---- (Heating Valve % > 10% 
        L----  Preheat Valve % > 10%)
    L---- Heating Drained Flag = 1 IF Reporting
    L---- Met for 2 Hours
Observations:
['BMS sequence of operation for heating valve is incorrect', 'Command to valve, but valve is not responding,', 'Lost signal to valve', 'Valve Hunting']


Asset:AHU
Rules:
Root: root
    L---- AHU Running (IF VAV, Check Parent AHU Running)
    L---- OR
        L---- (Zone Temperature >= 79 °F  
        L----  Return Air Temperature >= 79 °F IF Zone Temperature Not Reporting)
    L---- Cooling Drained Flag = 1 IF Reporting
    L---- Met for 3 Hours
    L---- Southbury: No Zone Temperature Check
Observations:
['Cooling issues with the AHU because Zone Temperature OR Return Temperature greater than 79 F / 26.1 C', 'Hot water or steam valve leaks']


Asset:AHU
Rules:
Root: root
    L---- AHU Running (IF VAV, Check Parent AHU Running)
    L---- OR
        L---- (Zone Temperature <= 65 °F  
        L----  Return Air Temperature <= 65 °F IF Zone Temperature Not Reporting)
    L---- POK: OAT < 75 °F
    L---- Heating Drained Flag = 1 IF Reporting
    L---- Met for 2 Hours
    L---- Tucson: Zone/Return Air Temperature of 68 °F
    L---- Southbury: No Zone Temperature Check
Observations:
['Heating issues with the AHU because the Zone Temperature OR Return Temperature less than 65 F / 18.3 C', 'Economizer Issues']


Asset:AHU
Rules:
Root: root
    L---- AHU Running (IF VAV, Check Parent AHU Running)
    L---- OR
        L---- (Zone Temperature <= 65 °F  
        L----  Return Air Temperature <= 65 °F IF Zone Temperature Not Reporting)
    L---- POK: OAT < 75 °F
    L---- Heating Drained Flag = 1 IF Reporting
    L---- Met for 2 Hours
    L---- Tucson: Zone/Return Air Temperature of 68 °F
    L---- Southbury: No Zone Temperature Check
Observations:
['Heating issues with the AHU because the Zone Temperature OR Return Temperature less than 65 F / 18.3 C', 'Economizer Issues']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Occupied = 0
    L---- 55 °F < Zone Temperature < 85 °F IF Reporting
    L---- OR
        L---- (Heating System Drained Flag = 0 IF Reporting 
        L----  Cooling System  Drained Flag = 0 IF Reporting)
    L---- Humidification System Drained Flag = 0 IF Reporting
    L---- Unoccupied Heating = 0 IF reporting
    L---- Unoccupied Cooling = 0 IF reporting
    L---- Dehumidification Mode = 0 IF reporting
    L---- Met for 2 Hours
    L---- Poughkeepsie: Using 68 °F < Zone Temperature < 75 °F IF Reporting
Observations:
['Fan in Hand or Manual Mode or over ridden on', 'VFD Issue']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Schedule = 0
    L---- 55 °F < Zone Temperature < 85 °F IF Reporting
    L---- OAT > 35 °F
    L---- OR
        L---- (Heating System Drained Flag = 0 IF Reporting  
        L----  Cooling System Drained Flag = 0 IF Reporting)
    L---- Humidification System Drained Flag = 0 IF Reporting
    L---- Unoccupied Heating = 0 IF reporting
    L---- Unoccupied Cooling = 0 IF reporting
    L---- Dehumidification Mode = 0 IF reporting
    L---- Met for 2 Hours
    L---- Poughkeepsie: Using 68 °F < Zone Temperature < 75 °F IF Reporting (take  out?)
    L---- Rochester: 3 Hours
    L---- Tucson: 3 Hours
    L---- Austin: Web Command = 0 IF Reporting,  - Using POK Zone Temps
Observations:
['BMS schedule has been changed', 'Opportunity to reduce schedule', 'Processor or controller problem']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Supply Fan Output % > 97%
    L---- Duct Static Pressure < (Static Pressure Setpoint - 0.1 "H2O) IF Reporting
    L---- OAT < 95 °F
    L---- Met for 2 Hours
    L---- Littleton: Met for 4 Hours
    L---- WRL: Met for 4 hours (2016-08-16)
    L---- SVL: Met for 4 hours (2016-08-17)
Observations:
['Filters need changing', 'Undersized system for load', 'VFD issues, signal to fan set correctly?', 'Bad motor, bearings', 'Fan blades at incorrect pitch', 'VAV box issues like broken duct work, dampers always at 100%', 'Static pressure sensors need calibration, repair or replacement']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Return Fan Output % > 97%
    L---- OAT < 95 °F
    L---- Met for 2 Hours
Observations:
['VAV boxes stuck or broken open', 'Incorrect zone temp setpoints causing VAV boxes to be full open', 'VFD issues', 'Bad motor', 'Fan blades at incorrect pitch']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- SubType NOT FCU or OAU
    L---- Outside Air Damper % < 95%
    L---- Economizer Mode = 1 IF Reporting
    L---- Enthalpy < 28 IF Reporting
    L---- 37 °F < OAT < (Return Air Temperature - 4 °F)
    L---- Cooling Valve % > 5%
    L---- OR
        L---- (Heating Drained Flag = 1 IF Reporting
        L---- Cooling Drained Flag = 1 IF Reporting)
    L---- Met for 2 Hours
Observations:
['BMS is commanding cooling valve on when it should not', 'Check the logic in the BMS for economizer mode']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OR
        L---- (Filter Differential Pressure > Supply Filter Static Pressure Setpoint  
        L----  (Post Filter Bank Pressure - Pre Filter Bank Pressure) > Supply Filter Static  Pressure Setpoint IF Filter Differential Pressure NOT Reporting)
    L---- Supply Fan Output % > 50%
    L---- Met for 2 Hours
Observations:
['Check condition of the filters']


Asset:AHU
Rules:
Root: root
    L---- AHU NOT Running
    L---- SubType NOT MULTI or PU
    L---- Duct Static Pressure < 0.1 in H2O IF Reporting
    L---- 35 °F < OAT < 80 °F
    L---- (Mixed Air Temperature - Supply Air Temperature) > 10 °F
    L---- Heating Drained Flag = 1 IF Reporting
    L---- Cooling Drained Flag = 1 IF Reporting
    L---- Met for 3 Hours
Observations:
['Temperature sensors need calibration or replacement', 'Chilled water valve is leaking', 'Dampers are not properly closed', 'Freeze protect issues', 'Leaking preheat or hot water valve']


Asset:AHU
Rules:
Root: root
    L---- AHU NOT Running
    L---- SubType NOT MULTI
    L---- (Supply Air Temperature - Mixed Air Temperature) > 20 °F
    L---- OAT > 35 °F
    L---- Met for 3 Hours
Observations:
['Temperature sensors need calibration or replacement', 'Heating valve is leaking', 'Dampers are not properly closed']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- SubType NOT OAU, RAS, RAU
    L---- Economizer Mode = 0 IF Economizer Mode Reporting
    L---- OAT > Return Air Temperature
    L---- Return Air CO2 < 1000 IF Return Air CO2 Reporting
    L---- OR
        L---- (Outside Air Damper % > (Outside Air Damper Minimum % + 2%)  
        L----  Outside Air Damper % > 15% AND Outside Air Damper Minimum % Not  Reporting)
    L---- Enthalpy > Reutrn Enthalpy IF Reporting
    L---- Met for 2 Hours
Observations:
['Damper is commanded open greater than it needs to be - check the BMS logic']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- SubType NOT OAU or FCU
    L---- OR
        L---- (OAT > Setpoint Temperature 
        L----  OAT > Supply Air Temperature AND  Setpoint Temperature Not Reporting)
    L---- OR
        L---- (OAT < Return Air Temperature 
        L----  OAT < 75 °F AND Return Air  Temperature Not Reporting)
    L---- Bromont: Return Air Damper % = 0%
    L---- Everyone Else: Outside Air Damper % = 100%
    L---- (Mixed Air Temperature - OAT) > 5 °F
    L---- Met for 2 Hours
    L---- Southbury: (Mixed Air Temperature - OAT) > 8 °F
Observations:
['Check if the Return Air Damper is closing tightly enough', 'Check for temperature sensor calibration issues']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OR
        L---- (10 °F < OAT < Setpoint Temperature  
        L----  10 °F < OAT < Supply Air Temperature AND Setpoint Temperature Not  Reporting)
    L---- OR
        L---- (Heating AND Preheat AND Reheat Valve % < 5%  
        L---- OR
            L----  Heating AND Preheat Valve % < 5% AND Reheat Valve % Not Reporting  
            L---- OR
                L----  Heating AND Reheat Valve % < 5% AND Preheat Valve % Not Reporting  
                L---- OR
                    L----  Heating Valve % < 5% AND Preheat AND Reheat Valve % Not Reporting  
                    L---- OR
                        L----  Preheat AND Reheat Valve % < 5% AND Heating Valve % Not Reporting  
                        L---- OR
                            L----  Preheat Valve % < 5% AND Heating AND Reheat Valve % Not Reporting  
                            L---- OR
                                L----  Reheat Valve % < 5% AND Heating AND Preheat Valve % Not Reporting  
                                L----  Heating AND Preheat AND Reheat Valve % Not Reporting)
    L---- Cooling Valve % < 2%
    L---- (Mixed Air Temperature - Supply Air Temperature) > 7 °F
    L---- Met for 2 Hours
Observations:
['Flow through valve should be zero', 'Verify Actuator, Valve and Dampers are working correctly and not stuck', 'Check Temperature sensors']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- SubType NOT OAU, RAS, RAU
    L---- OAT > 37 °F
    L---- OR
        L---- (Economizer Mode = 1  
        L---- OR
            L----  Supply Relative Humidity % > 35% AND Economizer Mode Not Reporting  
            L----  Economizer Mode AND Supply Relative Humidity % Not Reporting)
    L---- OR
        L---- (OAT < Setpoint Temperature  
        L----  OAT < Supply Air Temperature AND Setpoint Temperature Not Reporting)
    L---- OR
        L---- (Outside Air Damper % < Outside Air Damper Minimum %  
        L----  Outside Air Damper % < 15% AND Outside Air Damper Minimum % Not  Reporting)
    L---- Outside Air Damper % Does NOT = Daily Average
    L---- Outside Air Damper %
    L---- Met for 2 Hours
Observations:
['Control system sent the wrong command', 'Validate damper is not stuck closed or open or in between']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- SubType NOT OAU, RAS, RAU
    L---- OR
        L---- (Economizer Mode = 1  
        L---- OR
            L----  Enthalpy < Return Enthalpy if Economizer not reporting  
            L----  Enthalpy < 26 IF Economizer Mode and Return Enthalpy Not Reporting)
    L---- OR
        L---- (OAT > Setpoint Temperature  
        L----  OAT > Supply Air Temperature AND Setpoint Temperature Not Reporting)
    L---- OR
        L---- (OAT < (Return Air Temperature - 3 °F)  
        L----  OAT < 75 °F AND Return Air Temperature Not Reporting)
    L---- Outside Air Damper % < 90%
    L---- Met for 2 Hours
Observations:
['Validate BMS command to outside air damper is correct', 'Verify physical operation of damper to control signal']


Asset:AHU
Rules:
Root: root
    L---- AHU Running for 4 hours
    L---- OR
        L---- SubType NOT MULTI 
        L----  VAV
    L---- ABS(Setpoint Temperature - Supply Air Temperature) > 7 °F
    L---- OR
        L---- (Cooling Drained Flag = 1 IF Reporting  
        L----  Heating Drained Flag = 1 IF Reporting)
    L---- Met for 2 Hours
Observations:
['Check dampers', 'Chilled water control valve', 'Actuators', 'Temperature sensors', 'Heating valves']


Asset:AHU
Rules:
Root: root
    L---- AHU NOT Running
    L---- 35 °F < OAT < 70 °F
    L---- OR
        L---- ((Heating Valve % = 0% 
        L---- OR
            L----  Preheat Valve % = 0%)  
            L----  (Heating Valve % = 0% AND Preheat Valve % = 0% IF Both Reporting))
    L---- OR
        L---- (Supply Air Temperature > 90 °F 
        L----  Mixed Air Temperature > 90 °F)
    L---- Heating Drained Flag = 1 IF Reporting
    L---- Met for 3 Hours
Observations:
['The Heating Valve is leaking when closed', 'Lost signal to valve, check pneumatic or electrical inputs', 'The outside air damper is not closing securely', 'Check Temp Sensors', 'Check the command from the BMS']


Asset:AHU
Rules:
Root: root
    L---- AHU Running for 6 hours
    L---- Outside Air Damper % Reporting
    L---- OAT > 35 °F
    L---- Heating Valve % > 97%
    L---- Heating Drained Flag = 1 IF Reporting
    L---- Met for 4 Hours
Observations:
['BMS control logic', 'Valve issues - broken or clogged valve', 'Cooling coil maybe passing water. Check air line on chilled water valve', 'Discharge temperature sensor failure']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OAT > 35 °F
    L---- Preheat Valve % > 97%
    L---- Met for 4 Hours
Observations:
['BMS control logic', 'Preheat Valve issues - broken or clogged valve', 'Broken air line', 'Actuator issue', 'Damper may be stuck open on a cold day']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OAT > 35 °F
    L---- Reheat Valve % > 97%
    L---- Met for 4 Hours
Observations:
['BMS control logic', 'Valve issues - broken or clogged valve', 'Cooling coil maybe passing water. Check air line on chilled water valve', 'Discharge temperature sensor failure']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OAT < 80 °F
    L---- Cooling Valve % > 97%
    L---- ABS(Supply Air Temperature Setpoint - Supply Air Temperature) > 3 IF  Setpoint Reporting
    L---- Met for 4 Hours
Observations:
['BMS control logic', 'Valve issues - broken or clogged valve', 'Heating coil maybe passing water. Check air line on hot water valve', 'Discharge temperature too low or sensor failure', 'Room Temp setpoint too low']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Supply Fan Output % < 95%
    L---- Supply Fan Output % = Daily Average Supply Fan Output %
    L---- Supply Fan Output % = Prev. Daily Average Supply Fan Output %
    L---- Abs(Duct Static Pressure - Static Pressure Setpoint) > 0.2 in H2O IF  Reporting
    L---- Met for 4 Hours
Observations:
['VFD issues', 'Bad motor', 'Fan blades at incorrect pitch', 'Broken duct work', 'Static pressure sensors need calibration', 'System overridden to a specific speed', 'VFD minimum speed may be set too high']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Humidifier Valve % > 97%
    L---- Met for 2 Hours
    L---- Poughkeepsie & Warden: Met for 4 Hours
Observations:
['Command from BMS issue', 'Bad Valve', 'Blocked Valve']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Heating Valve % > 5%
    L---- Cooling Valve % = 0%
    L---- (Mixed Air Temperature - Supply Air Temperature) > 5 °F
    L---- Met for 2 Hours
Observations:
['SAT or MAT Sensor Error', 'Leaking or Stuck Cooling or Heating Valve', 'Undersized or Fouled Heating Coil', 'Hot Water Supply temp too low', 'Problem with hot water circulating pump']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OR
        L---- SubType NOT OAU  (Outside Air Damper % > Outside Air Damper Minimum %  
        L----  Outside Air Damper % > 15% AND Outside Air Damper Minimum % Not  Reporting)
    L---- Outside Air Damper % NOT = 100%
    L---- Preheat Valve % > 5%
    L---- Met for 2 Hours
Observations:
['Command from BMS to Preheat Valve needs to be adjusted']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OR
        L---- SubType NOT OAU 
        L----  RAS
    L---- Enthalpy > 29 BTU/lb
    L---- OR
        L---- (Economizer Mode = 1  
        L---- OR
            L----  Outside Air Damper % > Outside Air Damper Minimum % AND Economizer  Mode Not Reporting  
            L----  Outside Air Damper % > 15% AND Outside Air Damper Minimum % Not  Reporting AND Economizer Mode Not Reporting)
    L---- Return Air CO2 Not Reporting
    L---- Met for 2 Hours
Observations:
['Damper is open when it is humid outside']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Heating Valve % = 0%
    L---- (Supply Air Temperature - Mixed Air Temperature) > 5 °F
    L---- Met for 2 Hours
Observations:
['The Heating Valve is leaking when closed', 'Outside air damper not closing securely', 'Temperature sensors may need calibration or replacement', 'Check the command from the BMS']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Enthalpy > 29 BTU/lb
    L---- Humidification Valve % > 2%
    L---- Met for 1 Hour
Observations:
['BMS control logic', 'Valve issues - broken or clogged valve', 'Cooling coil maybe passing water. Check air line on chilled water valve', 'Discharge temperature sensor failure']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Enthalpy < 15 BTU/lb
    L---- Low Temp Chilled Water Valve % > 2%
    L---- Met for 1 Hour
Observations:
['BMS command', 'Valve Broken', 'Valve blocked', 'Isolation valve closed', 'Dehumidification flow issue']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Enthalpy > 29 BTU/lb
    L---- Low Temp Chilled Water Valve % < 5%
    L---- Met for 1 Hour
Observations:
['BMS command issue', 'Dehumidification Flow Issue', 'Isolation Valve Closed']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Enthalpy < 15 BTU/lb
    L---- Humidification Valve % < 5%
    L---- Met for 2 Hours
Observations:
['BMS command issue', 'Humidification valve Issue', 'Isolation Valve Closed']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Enthalpy < 15 BTU/lb
    L---- OR
        L---- ((Zone Relative Humidity % - Supply Relative Humidity Setpoint %) > 10%  
        L----  (Supply Relative Humidity % - Supply Relative Humidity Setpoint %) >  10%)
    L---- Met for 2 Hours
Observations:
['Humidifier is not turning off', 'Humidity sensor needs calibration or replacement']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Enthalpy < 29 BTU/lb
    L---- OAT < 80 °F
    L---- Low Temp Chilled Water Valve % > 97%
    L---- Met for 4 Hours
Observations:
['BMS command issue', 'Dehumidification Flow Issue', 'Isolation Valve Closed']


Asset:AHU Humidity
Rules:
Root: root
    L---- AHU Running
    L---- Humidification Valve % > 5%
    L---- Low Temp Chilled Water Valve % > 5%
    L---- Met for 2 Hours
Observations:
['BMS command issue']


Asset:AHU
Rules:
Root: root
    L---- Exhaust Fan Running
    L---- Schedule = 0
    L---- Met for 2 Hours
Observations:
['BMS schedule has been changed', 'Processor or controller problem']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- ABS(Static Pressure Setpoint – Static Pressure) > 0.2 in H2O
    L---- Static Pressure Setpoint > 0
    L---- Supply Fan Output % < 95%
    L---- Met for 2 Hours
Observations:
['Check duct integrity', 'Static pressure sensor', 'VFD operation', 'Broken belt or loose belt on Motor', 'Minimum VFD speed set too high']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- SubType NOT RAS or OAU
    L---- OAT > 25 °F
    L---- (Heating Drained Flag = 0 IF Reporting)
    L---- OR
        L---- (Return Air Temperature > Setpoint Temperature  
        L----  Return Air Temperature > Supply Air Temperature IF Setpoint  Temperature Not Reporting)
    L---- OR
        L---- (Outside Air Damper % - Outside Air Damper Minimum % > 10%  
        L----  Outside Air Damper > 10% IF Outside Air Damper Minimum % Not  Reporting)
    L---- OR
        L---- Heating Valve % > 5% 
        L----  Preheat Valve % > 5%
    L---- CO2 < 1000 ppm IF Reporting
    L---- Met for 2 Hours
Observations:
['BMS is commanding heating valve ON when it should not']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Subtype NOT VAV or MULTI
    L---- Supply Fan Efficiency > (Asset Efficiency Parameter)
    L---- Supply Fan Efficiency is calculated: Air Flow (CFM) divided by Power Usage  (KW)
    L---- Met for 3 Hours
Observations:
['Belt slipping or off', 'Vanes at wrong angle', 'Motor issue', 'Dampers not working correctly']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- SubType NOT RAS or OAU or VAV
    L---- Day NOT Monday
    L---- 55 °F < OAT < 80 °F
    L---- Setpoint Temperature = Setpoint Temperature 1 Hour Ago
    L---- Setpoint Temperature = Setpoint Temperature 2 Hours Ago
    L---- Setpoint Temperature = Daily Average Setpoint Temperature 1 Day in the  Past
    L---- Setpoint Temperature = Daily Average Setpoint Temperature 2 Days in the  Past
    L---- OR
        L---- (Dew Point < 55)  
        L---- OR
            L----  Outside Air Enthalpy < Return Air Enthalpy IF Dew Point NOT Reporting  
            L---- OR
                L----  Outside Air Enthalpy < 26 IF Return Air Enthalpy IF Dew Point 
                L---- OR
                    L----  Return  Air Enthalpy NOT Reporting  
                    L----  None Reporting)
Observations:
['BMS maybe over ridden to a constant value.', 'Check the logic in the BMS to see how it is set up', 'Opportunity for additional savings. Reset temperature to outside conditions']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OR
        L---- Day NOT Monday 
        L----  A Site Holiday
    L---- Duct Static Pressure Setpoint = Previous Hour Duct Static Pressure Setpoint
    L---- Duct Static Pressure Setpoint = Previous Daily Duct Static Pressure Setpoint
    L---- 55 °F < OAT < 80 °F
    L---- Met for 3 Hours checking previous 2 days daily average
Observations:
['BMS maybe over ridden to a constant value.', 'Check the logic in the BMS to see how it is set up', 'If unit resets based on VAV damper position exempt from this rule.']


Asset:AHU
Rules:
Root: root
    L---- Supply Fan Status = 0
    L---- Subtype NOT MULTI or VAV
    L---- Duct Static Pressure > 0.2 in H2O
    L---- Met for 3 Hours
Observations:
['Relay from BMS to fan is broken', 'System is in a manual mode']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OAT < 68 °F
    L---- OR
        L---- (Enthalpy < Return Enthalpy IF Reporting  
        L---- OR
            L----  Enthalpy < 26 IF Reporting  
            L----  Neither reporting)
    L---- Economizer Mode = 0
    L---- Met for 2 Hours
    L---- POK:OAT > 38 °F and OAT < 68 °F
    L---- ARC:OAT > 40 °F and OAT < 68 °F
    L---- RTP:OAT > 40 °F and OAT < 68 °F
    L---- BMT:OAH% between 27 and 55
    L---- AUS: Enthalpy < 24
Observations:
['Is the system overridden', 'Are the dampers operating correctly', 'Is the BMS logic set up correctly']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Subtype NOT VAV
    L---- Day = Sat or Sun or local time overnight (after 8pm and before 5am)
    L---- Economizer Mode = 0
    L---- Outside Air Damper % > 5%
    L---- Met for 2 Hours
Observations:
['Damper command should be zero', 'Check logic on building control system', 'Exempt asset if space is occupied overnight']


Asset:AHU
Rules:
Root: root
    L---- Supply Fan Status = 1
    L---- Subtype NOT MULTI or VAV
    L---- Duct Static Pressure < 0.01 inH2O
    L---- Air Flow < 100 CFM IF Reporting
    L---- Met for 3 Hours
Observations:
['Relay from BMS to fan is broken']


Asset:AHU
Rules:
Root: root
    L---- Supply Fan Status = 1
    L---- Subtype NOT VAV
    L---- Supply Fan Current < 1 amp
    L---- Met for 3 Hours
Observations:
['Belts are loose or broken']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Economizer Mode = 0
    L---- Subtype NOT VAV or OAU or RAU
    L---- Outside Air Flow >/< Outside Air Flow Setpoint * 1.10%
    L---- OAT < 90 °F
    L---- Met for 2 Hours
Observations:
['Check AHU operation', 'Actuators', 'Flow sensors', 'Blade pitch', 'Motor control']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- OR
        L---- Supply Air Temp Setpoint > 75 °F  
        L----  Supply Air Temp Setpoint < 53 °F
    L---- Met for 3 Hours and Prev. 3 Days Average
    L---- NOTE: Hot Deck units will be checking < 80 °F and > 95 °F
Observations:
['BMS maybe set too high or too low', 'Check the logic in the BMS to see how it is set up']


Asset:AHU
Rules:
Root: root
    L---- AHU Running
    L---- Economizer Mode =1
    L---- Preheat Valve % > 5%
    L---- Met for 2 Hours
Observations:
['Command from BMS to Preheat Valve needs to be adjusted']


Asset:AHU
Rules:
Root: root
    L---- AHU NOT Running
    L---- Return Fan Status = 1
    L---- Met for 4 Hours
Observations:
['Return fans in manual', 'Hand or overridden on when the supply fan is off', 'This works for constant speed or VFD return fans']


Asset:AHU
Rules:
Root: root
    L---- Parent AHU Running
    L---- Subtype is VAV
    L---- Supply Air Flow is Not Changing (+/-) 2% Prev. Day Average
    L---- VAV Damper > 20 %
    L---- ABS(Supply Air Flow - Previous Day Average) < 1
    L---- Met for 3 Hours
Observations:
['Check VAV box operation', 'Actuators', 'Flow sensors']


Asset:AHU
Rules:
Root: root
    L---- Parent AHU Running
    L---- Subtype is VAV
    L---- Supply Air Flow < 10 cfm
    L---- VAV Damper > 20 %
    L---- Met for 3 Hours
Observations:
['Check VAV box operation', 'Actuators', 'Flow sensors']


Asset:AHU
Rules:
Root: root
    L---- Parent AHU Running
    L---- Subtype is VAV or FCU
    L---- Heating Valve = 0%
    L---- Discharge Air Temp (supply) - Parent Discharge Air Temp (supply) > 10 °F
    L---- Met for 2 Hours
Observations:
['Check VAV box operation', 'Actuators', 'Heating valve operation']


Asset:AHU
Rules:
Root: root
    L---- Parent AHU Running
    L---- Subtype is VAV
    L---- OR
        L---- Zone Temperature Setpoint > 75  
        L----  Zone Temperature Setpoint < 68
    L---- Met for 3 Hours
Observations:
['Thermostat in room maybe set too high or too low', 'Check the logic in the BMS to see how it is set up', 'User maybe too cold or too hot and trying to fix a broken condition']


Asset:Boiler
Rules:
Root: root
    L---- Boiler Running
    L---- OR
        L---- (Natural Gas Flow > 5 AND Flue Gas Oxygen % > 3%  
        L---- OR
            L----  Fuel Oil Flow > 5 AND Flue Gas Oxygen % > 5%  
            L----  Propane Flow > 5 AND Flue Gas Oxygen % > 5%)
    L---- Met for 2 hours
Observations:
['Check the BMS command for inlet air control', 'Boiler command to intake Damper Issue', 'Boiler needs tuning']


Asset:Boiler
Rules:
Root: root
    L---- Boiler Running
    L---- OR
        L---- (Name = B3010080 AND Flue Gas Temperature < 360 °F  
        L---- OR
            L----  Name = B3010091 AND Flue Gas Temperature < 260 °F  
            L---- OR
                L----  Flue Gas Temperature < Flue Gas Temperature Setpoint AND (Name NOT =  B3010080 
                L----  B3010091))
    L---- Met for 2 hours
Observations:
['Review of Boiler operation', 'Fouling of stack and heat transfer surfaces']


Asset:Boiler
Rules:
Root: root
    L---- Boiler Running
    L---- Supply Temperature < Supply Temperature Setpoint
    L---- Met for 2 Hours
Observations:
['Review of Boiler Operation', 'Boiler needs turning', 'Air Flow Problems', 'Water Feed Problem']


Asset:Boiler
Rules:
Root: root
    L---- Boiler Running
    L---- Supply Temperature - Return Temperature < 5 °F
    L---- Met for 2 Hours
Observations:
['Temperature sensor accuracy', 'Heating valves', 'Flow rate is too high', 'Load is low', 'Bad staging of heat systems', 'Bypassing excessive amounts of fluid']


Asset:Boiler
Rules:
Root: root
    L---- Boiler Running
    L---- Conductivity < 3000 umho (0.003 S)
    L---- Met for 4 Hours
Observations:
['Review of Boiler operation', 'Fouling of heat transfer surfaces']


Asset:Boiler
Rules:
Root: root
    L---- Boiler Running
    L---- Conductivity > 4000 umho (0.004 S)
    L---- Met for 4 Hours
Observations:
['Review of Boiler operation', 'Fouling of heat transfer surfaces']


Asset:CRAC
Rules:
Root: root
    L---- CRAC Unit Running (Not used right now)
    L---- Return Air Temperature <= (Supply Air Temperature + 3 °F)
    L---- Met for 4 Hours
Observations:
['Return air temp setpoint too high', 'Side-by-side units that are not balanced', 'Chilled water valve stuck closed']


Asset:CRAC
Rules:
Root: root
    L---- Temperature Setpoint > 68 °F
    L---- Temperature Setpoint - Return Air Temperature > 2 °F
    L---- Met for 3 Hours
Observations:
['Broken Belt', 'Unit shutdown for some reason', 'Too much equipment in the local area', 'Chilled water valve not actuating well']


Asset:CRAC
Rules:
Root: root
    L---- CRAC Unit Running (Not used right now)
    L---- 3 °F < (Return Air Temperature - Supply Air   Temperature) < 10 °F
    L---- Met for 4 Hours
Observations:
['CRAC units that can be turned off to provide energy savings']


Asset:CRAC
Rules:
Root: root
    L---- CRAC Running
    L---- Setpoint Temperature < 72 °F)
    L---- Met for 3 Hours
    L---- Boulder: Using 60 °F
    L---- Rochester: Using 67 °F
Observations:
['Controls on CRAC are set too low']


Asset:CRAC
Rules:
Root: root
    L---- CRAC NOT Running
    L---- Schedule = 1 (Currently not implemented; CRACs run 24/7)
    L---- Met for 2 Hours
Observations:
['Broken Belt', 'Unit shutdown for some reason']


Asset:CRAC
Rules:
Root: root
    L---- PUE > Floor Threshold
    L---- Met for 8 Hours
Observations:
['Too many CRAC units are running for the amount of load', 'Too much equipment in the local area']


Asset:CRAC
Rules:
Root: root
    L---- CRAC Running IF Reporting, Otherwise Assume ON
    L---- Chilled Water Valve % < 5%
    L---- Met for 8 Hours
Observations:
['CRAC units with the chilled water valve is closed indicates a problem with controls wires from the valve to CRAC unit could be off', 'Side by side units where one was turned off and the other picked up the load. They may not have rebalanced when the second unit was turned back on', 'Chilled water valve could be stuck closed or stuck open or stuck some where in between']


Asset:CRAC
Rules:
Root: root
    L---- Temperature Setpoint > 68 °F
    L---- Return Air Temperature - Temperature Setpoint > 10 °F
    L---- Met for 3 Hours
Observations:
['Broken Belt', 'Unit shutdown for some reason', 'Too much equipment in the local area', 'Chilled water valve not actuating well']


Asset:CRAC
Rules:
Root: root
    L---- Temperature Setpoint < 65 °F
    L---- Supply Air Temperature - Temperature Setpoint > 3 °F
    L---- Met for 3 Hours
Observations:
['Broken Belt', 'Unit shutdown for some reason', 'Too much equipment in the local area', 'Chilled water valve not actuating well']


Asset:CRAC
Rules:
Root: root
    L---- Temperature Setpoint < 65 °F
    L---- Temperature Setpoint - Supply Air Temperature > 4 °F
    L---- Met for 3 Hours
Observations:
['Broken Belt', 'Unit shutdown for some reason', 'Too much equipment in the local area', 'Chilled water valve not actuating well']


Asset:Chiller
Rules:
Root: root
    L---- Chiller Running
    L---- Supply Temperature - Setpoint Temperature > 5 °F
    L---- Met for 2 Hours
Observations:
['Chiller cannot keep up with the load']


Asset:Chiller
Rules:
Root: root
    L---- Chiller Running
    L---- (Setpoint Temperature - Supply Temperature) > 3 °F
    L---- Met for 2 Hours
Observations:
['Chiller operation needs to be investigated']


Asset:Chiller
Rules:
Root: root
    L---- Chiller Running
    L---- ALL P&F at that site's building run status = 0
    L---- (Return Temperature - Supply Temperature) < 7 °F
    L---- OAT > 37 °F
    L---- Met for 4 Hours
Observations:
['Low Temperature Delta Syndrome', 'Leaking or Broken chilled water valves', '3-way valves']


Asset:Chiller
Rules:
Root: root
    L---- Chiller Running
    L---- Chiller Efficiency > Asset Chiller Efficiency Parameter
    L---- Met for 2 Hours
Observations:
['Fouled Tubes', 'Variable Frequency Drive speeds incorrect on pumps', 'Pressure issues']


Asset:Chiller
Rules:
Root: root
    L---- Chiller NOT Running
    L---- Condenser Water Flow > 50 Gallons/Minute (189 l/m)
    L---- Met for 2 Hours
Observations:
['Excess equipment is on', 'Verify pump is not needed and turn off', 'The condenser water pumps are flowing water through a chiller that is off', 'Cooling tower has excessive flow']


Asset:Chiller
Rules:
Root: root
    L---- Chiller Running
    L---- OR
        L---- (Chiller % Loaded < 30%  
        L----  Actual Amps / Full Load Amps < 30% IF Chiller % Loaded NOT Available)
    L---- Met for 2 Hours
Observations:
['Too many chillers are running', 'Overridden on or logic could be updated to turn off chiller appropriately', 'System is not designed well for part loads on the chiller']


Asset:Chiller
Rules:
Root: root
    L---- Chiller Running
    L---- Supply Temperature - Liquid Refrigerant Evaporator
    L---- Temperature > 4 °F
    L---- Met for 3 Hours
Observations:
['Low refrigerant levels', 'Variable orifice problems']


Asset:Chiller
Rules:
Root: root
    L---- Chiller Running
    L---- Condenser Water Return To Tower Temperature - Condenser Liquid  Refrigerant Temperature > 4 °F
    L---- Met for 3 Hours
Observations:
['Clean the tubes', 'Gas in liquid refrigerant', 'Chiller at part load']


Asset:Chiller
Rules:
Root: root
    L---- Chiller Running
    L---- OR
        L---- ABS(Coolant Pressure Difference - Coolant Pressure Difference Setpoint) > 4  PSI  
        L----  ABS((Supply Coolant Pressure - Return Coolant Pressure) - Coolant  Pressure Difference Setpoint) > 4 PSI IF Coolant Pressure Difference NOT  Reporting
    L---- Met for 3 Hours
Observations:
['Bad pressure sensor', 'Pump problems (VFD problems)']


Asset:Chiller
Rules:
Root: root
    L---- Run Status = 0
    L---- Power Input > 5 KW
    L---- Met for 3 Hours
Observations:
['Could be oil heater', 'Bad CT']


Asset:Chiller
Rules:
Root: root
Observations:
['Mis-sized equipment', 'Logic that is working too quickly not allowing the system to stabilized', 'Load is too low or fluctuates']


Asset:Cooling Tower
Rules:
Root: root
    L---- ABS(Condenser Water Pressure Difference Condenser Water Pressure  Difference Setpoint) > 5 PSI
    L---- OAT < 95 °F
    L---- Met for 2 Hours
Observations:
['Pump is overridden', 'VFD issues', 'bad motor', 'pressure sensors need calibration']


Asset:Cooling Tower
Rules:
Root: root
    L---- Run Status = 1
    L---- (Condenser Water Return To Tower Temperature - Condenser Water Supply  To Chiller Temperature) < 5 °F
    L---- Met for 2 Hours
Observations:
['Problems with the cooling tower', 'Check fans and condenser water pumps']


Asset:Cooling Tower
Rules:
Root: root
    L---- (Condenser Water Supply To Chiller Temperature Condenser Water  Temperature Setpoint) > 6 °F
    L---- OAT < 80 °F
    L---- Met for 2 Hours
Observations:
['Fan is overridden', 'Logic issues for the cooling tower', 'Fans are off']


Asset:Cooling Tower
Rules:
Root: root
    L---- Cooling Tower – Condenser Water is too cold
    L---- Cooling Tower Running
    L---- OR
        L---- (Condenser Water Supply Temperature to Chiller < Condenser Water Temperature Setpoint - 4 °F
        L---- Condenser Water Supply Temperature to Chiller < 55 °F IF Condenser Water Temperature Setpoint NOT Reporting)
    L---- OAT > 43 °F
    L---- Met for 2 Hours
Observations:
['Fan is overridden', 'Logic issues for the cooling tower', 'Fans are off']


Asset:Fan
Rules:
Root: root
    L---- Fan Running
    L---- VFD Speed % > 97%
    L---- OAT < 80 °F
    L---- Met for 2 Hours
    L---- Littleton: OAT > 40 °F
Observations:
['Undersized system for load', 'VFD issues', 'Bad motor', 'Pressure sensors need calibration']


Asset:HXU
Rules:
Root: root
    L---- Heating Valve % > 0%
    L---- OAT > 55 °F
    L---- Met for 2 Hours
    L---- Yorktown: Using 61 °F
Observations:
['Check the BMS. It has commanded the heat on when it should be off']


Asset:HXU
Rules:
Root: root
    L---- Heating Valve > 15%
    L---- ABS(Hot Water Temperature Setpoint - Hot Water Temperature) > 5 °F
    L---- Heating System Drained Flag = 1
    L---- Met for 2 Hours
Observations:
['Check temperature sensors', 'Heating valves']


Asset:HXU
Rules:
Root: root
    L---- Heating Valve > 50%
    L---- ABS(Hot Water Temperature - Hot Water Return Temperature) < 4 °F
    L---- Heating System Drained Flag = 0
    L---- Met for 2 Hours
Observations:
['Check temperature sensors', 'Heating valves', 'Faulty bypass valves']


Asset:HXU
Rules:
Root: root
    L---- Heating Valve < 5%
    L---- Hot Water Temperature > 90 °F
    L---- Heating System Drained Flag = 0
    L---- Met for 2 Hours
Observations:
['Check temperature sensors', 'Heating valves', 'Faulty bypass valves']


Asset:None
Rules:
Root: root
    L---- Heating System Drained Flag = 0
    L---- Heating System Status On
    L---- OAT > 65 °F
    L---- Heating Valve < 5%
    L---- Hot Water Temperature > 90 °F
    L---- Met for 2 Hours
Observations:
['Check temperature sensors', 'Heating valves', 'Faulty bypass valves']


Asset:Lighting
Rules:
Root: root
    L---- OR
        L---- Lighting Mode = 1 AND Occupied Mode = 0
        L---- Lighting Mode = 0 AND Occupied Mode = 1
    L---- Met for 3 Hours
Observations:
['Electrical system problems', 'Lighting relay schedule over written']


Asset:Meter
Rules:
Root: root
    L---- Meter > 20 kw
    L---- Voltage < 5% of Meter Voltage Rating
    L---- Met for 2 Hours
Observations:
['Electrical system problems']


Asset:Meter
Rules:
Root: root
    L---- Meter > 5 kw (power real)
    L---- OR
        L---- Saturday or Sunday 
        L----  Sunday (for Identified Assets)
    L---- Power > Previous Daily Average Friday Supply Power * 0.8
    L---- Met for 3 Hours
Observations:
['New energy use or equipment that has been removed']


Asset:Meter
Rules:
Root: root
    L---- PUE > Previous Weeks Average PUE + 20%
    L---- Met for 2 Hours
Observations:
['Excessive Cooling', 'Turn off CRAC units']


Asset:PDU
Rules:
Root: root
    L---- 50% of 650 KW < Power Input <  80% of 650 KW
    L---- Using custom Segrate Values of 38, 47.5, 608, 950 KVA
    L---- Met for 3 Hours
Observations:
['PDU is overloaded']


Asset:PDU
Rules:
Root: root
    L---- Power Input > 0.1 KW
    L---- Power Input < 5% of 650 KW
    L---- Using custom Segrate Values of 38, 47.5, 608, 950 KVA
    L---- Met for 3 Hours
Observations:
['PDU is under utilized']


Asset:PDU
Rules:
Root: root
    L---- Power Input > 80% of 650 KW
    L---- Using custom Segrate Values of 38, 47.5, 608, 950 KVA
    L---- Met for 3 Hours
Observations:
['PDU unit is overloaded']


Asset:Plate & Frame
Rules:
Root: root
    L---- Heat Exchanger Off (plate and frame status = 0)
    L---- BLD Building 91: Alert if PF status off for > 1 units NOT POK
    L---- OR
        L---- (OAT (wetbulb) < 38 °F
        L---- Enthalpy < 14)
    L---- Met for 4 Hours
Observations:
['May be using mechanical cooling ie chiller', 'Verify plate and frame is available and if chiller is not needed, turn off', 'Manual Operation override may be in place wasting energy', 'Short Term Weather Condition']


Asset:Pump
Rules:
Root: root
    L---- Pump Running
    L---- Pump VFD Speed % > 97%
    L---- OAT < 95 °F
    L---- Met for 2 Hours
Observations:
['Undersized system for load', 'VFD issues', 'Bad motor', 'Pressure sensors need calibration']


Asset:Pump
Rules:
Root: root
    L---- Pump Running
    L---- SubType NOT HW
    L---- Pump Motor VFD Output % > 35%
    L---- Pump Motor VFD Output % = Daily Average Pump Motor VFD Output %
    L---- OAT < 95 °F
    L---- ABS(Pump Differential Pressure - Pump Differential Pressure Setpoint) > 4psi IF Reporting
    L---- Met for 2 Hours
Observations:
['Pump is overridden', 'VFD issues', 'Bad motor', 'Pressure sensors need calibration']


Asset:Pump
Rules:
Root: root
    L---- OR
        L---- Pump Running [Pump Status = 1 
        L----  Pump Current In Amps >= 1]
    L---- Pump Occupied = 0
    L---- OAT > 55 °F
    L---- Met for 2 Hours
Observations:
['Pump is overridden', 'VFD issues', 'Bad motor', 'Pressure sensors need calibration', 'Controls not set up correctly', 'Relay issue']


Asset:Pump
Rules:
Root: root
    L---- Pump Running
    L---- Pump VFD Speed Reporting
    L---- OAT < 95 °F
    L---- ABS(Pump Differential Pressure - Pump Differential Pressure Setpoint) >  4  IF Reporting
    L---- Met for 2 Hours
Observations:
['Pump is overridden', 'VFD issues', 'Bad motor', 'Pressure sensors need calibration']


Asset:Pump
Rules:
Root: root
    L---- Pump Running
    L---- SubType Is HW
    L---- Outside Air Temperature > 70 °F
    L---- Met for 2 hours
Observations:
['Pump is overridden', 'VFD issues', 'Control issues', 'Temperature sensor calibration']


Asset:VAV
Rules:
Root: root
    L---- Parent AHU Running
    L---- OR
        L---- (Supply Air Flow outside > Supply Air Flow Setpoint + 25%
        L---- Supply Air Flow outside < Supply Air Flow Setpoint - 25%)
    L---- OAT < 90 °F
    L---- Met for 3 Hours
Observations:
['Check VAV box operation', 'Actuators', 'Flow sensors']


Asset:VAV
Rules:
Root: root
    L---- Parent AHU Running
    L---- Supply Air Flow is Not Changing (+/-) 2% Prev. Day Average
    L---- VAV Damper > 20 %
    L---- ABS(Supply Air Flow - Previous Day Average) < 1
    L---- Met for 3 Hours
Observations:
['Check VAV box operation', 'Actuators', 'Flow sensors']


Asset:VAV
Rules:
Root: root
    L---- Parent AHU Running
    L---- Zone Temperature >= 79 °F
    L---- Cooling Drained Flag = 1 IF Reporting
    L---- Met for 3 Hours
    L---- Southbury: No Zone Temperature Check
Observations:
['Cooling issues with the AHU because Zone Temperature OR Return Temperature greater than 79 F / 26.1 C']


Asset:VAV
Rules:
Root: root
    L---- Parent AHU Running
    L---- Zone Temperature <= 65 °F
    L---- POK: OAT < 75 °F
    L---- Heating Drained Flag = 1 IF Reporting
    L---- Met for 2 Hours
    L---- Southbury: No Zone Temperature Check
Observations:
['Heating issues with the AHU because the Zone Temperature OR Return Temperature less than 65 F / 18.3 C']


Asset:VAV
Rules:
Root: root
    L---- Parent AHU Running
    L---- Supply Air Flow < 10 cfm
    L---- VAV Damper > 20 %
    L---- Met for 3 Hours
Observations:
['Check VAV box operation', 'Actuators', 'Flow sensors']


Asset:VAV
Rules:
Root: root
    L---- Parent AHU Running
    L---- OR
        L---- (Heating Valve = 0%
        L---- Hot Deck Damper % = 0%) (one or the other, can't have both)
    L---- Discharge Air Temp (supply) - Parent Discharge Air Temp (supply) > 10 °F
    L---- Met for 2 Hours
Observations:
['Check VAV box operation', 'Actuators', 'Heating valve operation']


Asset:VAV
Rules:
Root: root
    L---- Parent AHU Running
    L---- OR
        L---- Zone Temperature Setpoint > 75
        L---- Zone Temperature Setpoint < 68
    L---- Met for 3 Hours
Observations:
['Thermostat in room maybe set too high or too low', 'Check the logic in the BMS to see how it is set up', 'User maybe too cold or too hot and trying to fix a broken condition']


Asset:VAV
Rules:
Root: root
    L---- Parent AHU NOT Running
    L---- SubType NOT FCU
    L---- Supply Air Flow > 80 CFM
    L---- Met for 2 Hours
Observations:
['Check VAV box flow sensors']


Asset:PIU
Rules:
Root: root
    L---- Parent AHU Running
    L---- ABS(Supply Air Temperature - Supply Air Temperature Setpoint) > 4 °F
    L---- Met for 4 Hours
Observations:
['Unit controls are not working correctly']


Asset:PIU
Rules:
Root: root
    L---- Parent AHU Running
    L---- OR
        L---- Zone Temp < Zone Temp Heating Setpoint - 4 °F
        L---- Zone Temp > Zone Temp Cooling Setpoint + 4 °F
    L---- Met for 4 Hours
Observations:
['Unit controls are not working correctly', 'Thermostat out of calibration', 'Box Damper not working', 'Larger AHU problem']


Asset:UPS
Rules:
Root: root
    L---- OR
        L---- (Name = 201A980 AND Power Output > 85% of 3MW  
        L----  Name NOT = 201A980 AND Power Output > 85% of 4MW)
    L---- Met for 4 hours
Observations:
['UPS unit is overloaded']