Controls, Start-Up, Operation, Service and ... - Climayoreo

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position. Recovery is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the MBB control board. T221 (Outdoor Air Quality Sensor Failure) — If the outdoor air quality sensor (InputsAIR.QOAQ) fails, OAQ defaults to 400 ppm and demand control ventilation will continue. Recovery is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the CEM control board. T229 (Economizer Min Pos Override Input Failure) — If the economizer minimum position override input fails, the economizer will operate as if it were not configured for override. Recovery is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the MBB control board. This error only occurs when the unit is configured for minimum position override and a 4 to 20 mA signal is not present. T245 (Outside Air Cfm Sensor Failure) — If the outside air cfm sensor (InputsCFMO.CFM) fails, the economizer will default to discrete positioning of the economizer (Configuration IAQDCV.CIAQ.M, ConfigurationEconEC.MN). Recovery is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the CEM control board. T246 (Supply Air Cfm Sensor Failure) — If the supply air cfm sensor (InputsCFMS.CFM) fails, fan tracking is not possible and the system will shut down. Recovery is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the EXB control board. T247 (Return Air Cfm Sensor Failure) — If the return air cfm sensor (InputsCFMR.CFM) fails, fan tracking is not possible and the system will shut down. Recovery is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the EXB control board. T300 (Space Temperature Below Limit) — If the space temperature is below the configurable SPT Low Alert Limits (occupied [ConfigurationALLMSP.L.O] for 5 minutes or unoccupied [ConfigurationALLMSP.L.U] for 10 minutes), then an alert will be broadcast. The alert will automatically reset. T301 (Space Temperature Above Limit) — If the space temperature is above the configurable SPT High Alert Limits (occupied [ConfigurationALLMSP.H.O] for 5 minutes or unoccupied [ConfigurationALLMSP.H.U] for 10 minutes), then an alert will be broadcast. The alert will automatically reset. T302 (Supply Temperature Below Limit) — If the supply-air temperature measured by the supply temperature sensor is below the configurable SAT LO Alert Limit/Occ (Configuration ALLMSA.L.O) for 5 minutes or the Low Supply air temperature alert limit unoccupied mode (ConfigurationALLM SA.L.U) for 10 minutes, then an alert will be broadcast. T303 (Supply Temperature Above Limit) — If the supply temperature is above the configurable SAT HI Alert Limit Occ (ConfigurationALLMSAH.O) for 5 minutes or the SAT HI Alert Limit/Unocc (ConfigurationALLMSA.H.U) for 10 minutes, then an alert will be broadcast. The alert will automatically reset. T304 (Return Air Temperature Below Limit) — If the return air temperature measured by the RAT sensor is below the configurable RAT LO Alert Limit/Occ (Configuration ALLMRA.L.O) for 5 minutes or RAT HI Alert Limit/Occ (ConfigurationALLMRA.L.U) for 10 minutes, then an alert will be broadcast. T305 (Return Air Temperature Above Limit) — If the return air temperature is below the RAT HI Alert Limit/Occ (ConfigurationALLMRA.H.O) for 5 minutes or RAT HI Alert Limit/Occ (ConfigurationALLMRA.H.U) for 10 minutes, then an alert will be broadcast. The alert will automatically reset. 114 T308 (Return Air Relative Humidity Below Limit) — If the unit is configured to use a return air relative humidity sensor through the Return Air RH Sensor (ConfigurationUNIT SENSRRH.S) setting, and the measured level is below the configurable RH Low Alert Limit (ConfigurationALLM R.RH.L) for 5 minutes, then the alert will occur. The unit will continue to run and the alert will automatically reset. T309 (Return Air Relative Humidity Above Limit) — If the unit is configured to use a return air relative humidity sensor through the Return Air RH Sensor (ConfigurationUNIT SENSRRH.S) setting, and the measured level is above the configurable RH High Alert Limit (ConfigurationALLM R.RH.H) for 5 minutes, then the alert will occur. Unit will continue to run and the alert will automatically reset. T310 (Supply Duct Pressure Below Limit) — If the unit is a VAV unit with a supply duct pressure sensor and the measured supply duct static pressure (PressuresAIR.PSP) is below the configurable SP Low Alert Limit (ConfigurationALLM SP.L) for 5 minutes, then the alert will occur. The unit will continue to run and the alert will automatically reset. T311 (Supply Duct Pressure Above Limit) — If the unit is a VAV unit with a supply duct pressure sensor and the measured supply duct static pressure (PressuresAIR.PSP) is above the configurable SP Low Alert Limit (ConfigurationALLM SP.H) for 5 minutes, then the alert will occur. The unit will continue to run and the alert will automatically reset. T312 (Building Static Pressure Below Limit) — If the unit is configured to use modulating power exhaust then a building static pressure limit can be configured using the BP Low Alert Limit (ConfigurationALLMBP.L). If the measured pressure (PressuresAIR.PBP) is below the limit for 5 minutes then the alert will occur. T313 (Building Static Pressure Above Limit) — If the unit is configured to use modulating power exhaust then a building static pressure limit can be configured using the BP HI Alert Limit (ConfigurationALLMBP.H). If the measured pressure (PressuresAIR.PBP) is above the limit for 5 minutes, then the alert will occur. T314 (IAQ Above Limit) — If the unit is configured to use a CO 2 sensor and the level (InputsAIR.QIAQ) is above the configurable IAQ High Alert Limit (ConfigurationALLM IAQ.H) for 5 minutes then the alert will occur. The unit will continue to run and the alert will automatically reset. T316 (OAT Below Limit) — If the outside-air temperature measured by the OAT thermistor (TemperaturesAIR.T OAT) is below the configurable OAT Low Alert Limit (ConfigurationALLMOAT.L) for 5 minutes then the alert will be broadcast. T317 (OAT Above Limit — If the outside-air temperature measured by the OAT thermistor (TemperaturesAIR.T OAT) is above the configurable OAT High Alert Limit (ConfigurationALLMOAT.H) for 5 minutes then the alert will be broadcast. A400 (Hydronic Freezestat Trip) — If the freezestat for the hydronic coil trips, the unit goes into emergency mode and does not allow cooling or heating. The economizer goes to 0% open. Supply fan operation is enabled. Recovery is automatic when the switch goes off. A404 (Fire Shut Down Emergency Mode [fire-smoke]) — If the fire shutdown input is energized (fire shutdown is in effect), or if two fire smoke modes are incorrectly energized at the same time, a Fire Shutdown mode will occur. This is an emergency mode requiring the complete shutdown of the unit. Recovery is automatic when the inputs are no longer on. A405 (Evacuation Emergency Mode) — If the evacuation input on the CEM is energized, an evacuation mode occurs which flags an alarm. This mode attempts to lower the pressure of the space to prevent smoke from moving into another space.
This is the reverse of the Pressurization Mode. Closing the economizer, opening the return-air damper, turning on the power exhaust, and shutting down the indoor fan will decrease pressure in the space. Recovery is automatic when the input is no longer on. A406 (Pressurization Emergency Mode) — If the pressurization input on the CEM is energized, a pressurization mode occurs which flags an alarm. This mode attempts to raise the pressure of a space to prevent smoke infiltration from another space. The space with smoke should be in an Evacuation Mode attempting to lower its pressure. Opening the economizer, closing the return air damper, shutting down power exhaust, and turning the indoor fan on will increase pressure in the space. Recovery is automatic when the input is no longer on. A407 (Smoke Purge Emergency Mode) — If the smoke purge input on the CEM is energized, a smoke purge mode occurs which flags an alarm. This mode attempts to draw out smoke from the space after the emergency condition. Opening the economizer, closing the return-air damper, and turning on both the power exhaust and indoor fan will evacuate smoke and bring in fresh air. Recovery is automatic when the input is no longer on. T408 (Dirty Air Filter) — If no dirty filter switch is installed, the switch will read “clean filter” all the time. Therefore the dirty filter routine runs continuously and diagnoses the input. Because of the different possible times it takes to generate static pressure, this routine waits 2 minutes after the fan starts before the dirty filter switch is monitored. If the dirty filter switch reads “dirty filter” for 2 continuous minutes, an alert is generated. No system action is taken. This is a reminder that it is time to change the filters in the unit. Recovery from this alert is through a clearing of all alarms (manual) or after the dirty filter switch reads clean for 30 continuous seconds (automatic). T409 (Supply Fan Commanded On, Sensed Off Failure) T409 (Supply Fan Commanded Off, Sensed On Failure) A409 (Supply Fan Commanded On, Sensed Off Failure) A409 (Supply Fan Commanded Off, Sensed On Failure) — Both the alert and the alarm refer to the same failure. The only difference between the alarm and alert is that in the case where the supply fan status configuration to shut down the unit is set to YES (ConfigurationUNITSFS.S), the alarm will be generated AND the unit will be shut down. It is possible to configure ConfigurationUNITSFS.M to either a switch or to monitor a 0.2-in. wg rise in duct pressure if the unit is VAV with duct pressure control (IGV or VFD). The timings for failure for both are the same and are illustrated in the following table: UNIT TYPE/MODE MINIMUM ON MINIMUM OFF TIME WAIT TIME WAIT CV (no gas heat) 30 seconds 1 minute CV (gas heat) 2 minutes 4 minutes VAV (no gas heat) 1 minute 1 minute VAV (gas heat) 3 minutes 4 minutes Recovery is manual. Reason for failure may be a broken fan belt, failed fan relay or failed supply fan status switch. A410 (Supply Fan VFD Fault) — The MBB has received a fault status from the supply fan VFD. The unit will be shut down, and a manual reset is required. The VFD keypad will indicate which fault has occurred. Reset can be done at the unit control (AlarmsR.CUR) or the VFD keypad. A411 (Exhaust Fan VFD Fault) — The MBB has received a fault status from the exhaust fan VFD. Building pressure control will be stopped and a manual reset is required. The VFD keypad will indicate which fault has occurred. Reset can be done at the unit control (AlarmsR.CUR) or the VFD keypad. T421 (Thermostat Y2 Input On without Y1 On) — If Y2 is on and Y1 is off then this alert condition is initiated. The control continues as if both Y1 and Y2 were requested. Alert recovery will not occur until Y1 is seen. This handles some 115 conditions of an incorrectly wired thermostat and may prevent multiple alerts and recoveries from clogging the alarm histories. T422 (Thermostat W2 Input On without W1 On) — If W2 is on and W1 is off then this alert condition is initiated. The control continues as if both W1 and W2 were requested. Alert recovery will not occur until W1 is seen. This handles some conditions of an incorrectly wired thermostat and may prevent multiple alerts and recoveries from clogging the alarm histories. T423 (Thermostat Y and W Inputs On) — Simultaneous calls for heating and cooling are illegal and will be alarmed. Cooling and heating will be locked out. Recovery is automatic when the condition no longer exists. T424 (Thermostat G Input Off On a Cooling Call) — If G is off and there is a cooling request (Y1 or Y2), then it is possible the G connection has not been made to the unit terminal block. An alert is initiated for this condition as continuous fan operation and manual fan control may not be possible. Cooling is started, if allowed, and the fan is turned on. The controls do not diagnose the fan if a heat request (W1 or W2) is in progress. T430 (Plenum Pressure Safety Switch Trip) A430 (Plenum Pressure Safety Switch Trip) — If the unit is configured for fan tracking and the plenum pressure switch trips, the unit will be instructed to shut down immediately. The first 2 times the switch trips, the unit will automatically start up and clear the alert 3 minutes after the switch recovers. The third time the switch trips, the unit shuts down and calls out the alarm. Manual reset of the switch (located in the auxiliary control panel) is required. Software reset is automatic when switch has been reset. Possible causes are blocked exhaust or return dampers causing high pressure at the plenum fan. T500 (Current Sensor Board Failure - A1) T501 (Current Sensor Board Failure - A2) T502 (Current Sensor Board Failure - B1) T503 (Current Sensor Board Failure - B2) T504 (Current Sensor Board Failure - C1) T505 (Current Sensor Board Failure - C2) — If the current sensor board malfunctions or is not properly connected to its assigned digital input, an alert will be generated. It takes 2 to 4 seconds to log the alert. If the alert is logged, it stays active for a minimum of 15 seconds to provide the application a reasonable time to catch the failure. Compressors will be not be inhibited by this failure. Recovery is automatic. Reason for failure may be a faulty current sensor board, incorrect wiring, or a damaged input on the MBB control board. T610 (Economizer Actuator Out of Calibration) A620 (Economizer 2 Actuator Out of Calibration) T630 (Humidifier Actuator Out of Calibration) A640 (Heating Coil Actuator Out of Calibration) A650 (Bldg.Press. Actuator 1 Out of Calibration) A660 (Bldg.Press. Actuator 2 Out of Calibration) — Each of the actuators must have a minimum control range to operate. If the actuator, after a calibration, has not learned a control range appropriate for the application, this alarm/alert will be sent. No action will be taken on this error. Recovery is automatic. Reason for failure may be an obstruction or stuck linkage that prevents full range calibration. T611 (Economizer Actuator Comm Failure) A621 (Economizer 2 Actuator Comm Failure) T631 (Humidifier Actuator Communication Failure) A641 (Heating Coil Actuator Comm Fail) A651 (Bldg.Press. Actuator 1 Comm Failure) A661 (Bldg.Press. Actuator 2 Comm Failure) — Each of the actuators communicates over the local equipment network (LEN). If this error occurs, then it is impossible to control the actuator. Depending on the function of the actuator, the control will shut down any process associated with this actuator. Recovery is automatic. Reason for failure may be incorrect
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Controls, Start-Up, Operation, Serv
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WARNING What to do if you smell gas
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and the ENTER keys until the desire
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START-UP IMPORTANT: Do not attempt
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Table 4 — Fan Performance — 48P
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AIRFLOW (cfm) Table 10 — Fan Perf
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AIRFLOW (Cfm) LEGEND Table 18 — F
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AIRFLOW (cfm) LEGEND Bhp — Brake
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HIGH-EFFICIENCY MOTORS Nominal Maxi
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2. Under the Setpoints menu, set th
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would use Period 2 and set days Sat
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there is a loss of communication be
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and when ON, the control sets a cap
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System Mode Test — When the syste
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Table 31 — Unit Configuration ITE
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SETTING UP THE SYSTEM Machine Contr
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High SST Alert Delay Time (H.SST)
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Table 36 — Cool/Heat Set Point Of
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Table 38 — Run Status Cool Displa
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To use Demand Limiting, select the
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Size 050, 055, 060 Contactor OFM(s)
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Whenever the outdoor ambient temper
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Demand Level Low Heat Off Offset (L
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Limit Switch Low Temp (SW.L.T) —
Page 63 and 64: STAGE Table 49 — IGC LED Indicato
Page 65 and 66: Table 50 — Static Pressure Contro
Page 67 and 68: Table 53 — Dirty Filter Switch Po
Page 69 and 70: NOTE: If the user wishes to disable
Page 71 and 72: the economizer modulates when attem
Page 73 and 74: P = K * BP.P * (error) I = K * BP.I
Page 75 and 76: its smoke. Closing the economizer (
Page 77 and 78: Table 57 — Indoor Air Quality Con
Page 79 and 80: Table 58 — Humidity Configuration
Page 81 and 82: The default sensor is the return ai
Page 83 and 84: TEMPERATURE COMPENSATED START LOGIC
Page 85 and 86: Sensor Trim Configuration — The T
Page 87 and 88: SUPPLY FAN VFD CONFIGURATION — Th
Page 89 and 90: REMOTE SWITCH LOGIC CONFIGURATION (
Page 91 and 92: Alarms and Alarm History for for an
Page 93 and 94: Transducer Troubleshooting — The
Page 95 and 96: Table 75 — 10K Thermistor vs Resi
Page 97 and 98: TEMP RESISTANCE (F) (Ohms) -25 98,0
Page 99 and 100: PRESSURE (PSIG) Table 80 — Suctio
Page 101 and 102: Table 81 — Discharge Pressure Tra
Page 103 and 104: Table 82 — Auto View of Run Statu
Page 105 and 106: Table 84 — Cooling Information Di
Page 107 and 108: equalize compressor oil levels. If
Page 109 and 110: Table 91 — Alert and Alarm Codes
Page 111 and 112: T072 (Evaporator Discharge Reset Se
Page 113: This alarm will disable mechanical
Page 117 and 118: 117 a48-8408 Fig. 19 — Typical Po
Page 119 and 120: OD ENTHALPY SWITCH LOW REMOTE OCCUP
Page 121 and 122: Fig. 23 — Typical Electric Heat U
Page 123 and 124: 123 Fig. 25 — Typical Gas Heat Se
Page 125 and 126: 125 Fig. 27 — Component Arrangeme
Page 127 and 128: ACCSY — Accessory ACC’Y — Acc
Page 129 and 130: Table 93 — Rooftop Control Board
Page 131 and 132: Table 96 — Control Expansion Modu
Page 133 and 134: LEGEND IAQ — Indoor Air Quality V
Page 135 and 136: the motor position to be configured
Page 137 and 138: TIME EWT LWT SETP Run Status Servic
Page 139 and 140: Fig. 37 — Door Latch Fig. 38 —
Page 141 and 142: SUPPLY FAN AND POWER EXHAUST MOTOR
Page 143 and 144: Routine cleaning of coil surfaces i
Page 145 and 146: Saturated Discharge Temperature (de
Page 163 and 164: Gas System Adjustment (48P Only) GA
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APPENDIX A — LOCAL DISPLAY TABLES
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APPENDIX B — CCN TABLES (cont) ST
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APPENDIX B — CCN TABLES (cont) ST
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APPENDIX B — CCN TABLES (cont) SE
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APPENDIX B — CCN TABLES (cont) MA
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APPENDIX B — CCN TABLES (cont) MA
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TESTACTC TESTCOOL TESTFANS TESTHEAT
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APPENDIX C — UNIT STAGING TABLES
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* 41 for Supply Fan Motor VFD, 42 f
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Fig. B — VFD Keypad START UP WITH
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Upload All Parameters — To upload
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To replace the main fan for frame s
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ALARM CODE ALARM NAME IN PANEL 2001
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APPENDIX E — MODE SELECTION PROCE
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CONTROLS SET POINT AND CONFIGURATIO
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