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

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Table 91 — Alert and Alarm Codes (cont) ALARM OR DESCRIPTION ACTION TAKEN BY CONTROL RESET METHOD ALERT NUMBER T610 Economizer Actuator Out of Calibration Alert only Automatic T611 Economizer Actuator Comm Failure No economizer functions Automatic T612 Economizer Actuator Control Range Increased Alert only Automatic T613 Econ Actuator Overload, Setpt Not Reached Alert only Automatic T614 Econ Actuator Hunting Excessively Alert only Automatic A620 Economizer 2 Actuator Out of Calibration Alarm only Automatic A621 Economizer 2 Actuator Comm Failure No IGV functions Automatic T622 Economizer 2 Actuator Control Range Increased Alert only Automatic A623 Econ2 Overload, Setpt Not Reached Alarm only Automatic A624 Econ2 Actuator Hunting Excessively Alert only Automatic T630 Humidifier Actuator Out of Calibration Alert only Automatic T631 Humidifier Actuator Communication Failure No humidifer functions Automatic T632 Humidifier Actuator Control Range Increased Alert only Automatic T633 Humidifier Act Overload, Setpt Not Reached Alert only Automatic T634 Humidifier Actuator Hunting Excessively Alert only Automatic A640 Heating Coil Actuator Out of Calibration Alarm only Automatic A641 Heating Coil Actuator Comm Fail No heating coil functions Automatic T642 Heat Coil Actuator Control Range Increased Alert only Automatic A643 Ht Coil Act Ovrload, Setpt Pos Not Reached Alarm only Automatic A644 Heat Coil Actuator Hunting Excessively alarm only Automatic A650 Bldg.Press. Actuator 1 Out of Calibration Alarm only Automatic A651 Bldg.Press. Actuator 1 Comm Failure No building pressure control Automatic T652 Bldg.Press. Act. 1 Control Range Increased Alert only Automatic A653 BP Act. 1 Overload, Setpnt Pos Not Reached Alarm only Automatic A654 Bldg.Press. Actuator 1 Hunting Excessively Alert only Automatic A660 Bldg.Press. Actuator 2 Out of Calibration Alarm only Automatic A661 Bldg.Press. Actuator 2 Comm Failure No building pressure control Automatic T662 Bldg.Press. Act. 2 Control Range Increased Alert only Automatic A663 BP Act. 2 Overload, Setpnt Pos Not Reached Alarm only Automatic A664 BP Actuator 2 Hunting Excessively Alert only Automatic A700 Air Temp Lvg Supply Fan Thermistor Failure Unit shut down Automatic T701 Staged Gas 1 Thermistor Failure Average remaning sensors Automatic T702 Staged Gas 2 Thermistor Failure Average remaning sensors Automatic T703 Staged Gas 3 Thermistor Failure Average remaning sensors Automatic A704 Staged Gas Lvg Air Temp Sum Total Failure No staged gas function Automatic T705 Limit Switch Thermistor Failure No software limit switch function Automatic A706 Hydronic Evap Discharge Thermistor Failure Unit shut down Automatic T707 Digital Scroll Discharge Temperature Failure Digital compressor A1 llimited to 50% Automatic 110
T072 (Evaporator Discharge Reset Sensor Failure) — This sensor is responsible for third party reset of the cooling supply air set point. If the unit is configured for “third party reset” (ConfigurationEDT.RRS.CF=3) and this alert occurs, no reset will be applied to the cooling supply air set point. Recovery from this alert is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the CEM board. T073 (Outside Air Temperature Thermistor Failure) — Failure of this thermistor (TemperaturesAIR.TOAT) will disable any elements of the control which requires its use. Economizer control beyond the vent position and the calculation of mixed air temperature for the SumZ algorithm will not be possible. Recovery from this alert is automatic. Reason for error is either a faulty thermistor, wiring error, or damaged input on the MBB control board. T074 (Space Temperature Thermistor Failure) — Failure of this thermistor (TemperaturesAIR.TSPT) will disable any elements of the control which requires its use. If the unit is configured for SPT 2 stage or SPT multi-stage operation and the sensor fails, no cooling or heating mode may be chosen. Recovery from this alert is automatic. Reason for error is either a faulty thermistor in the T55, T56 or T58 device, wiring error, or damaged input on the MBB control board. T075 (Return Air Thermistor Failure) — Failure of this thermistor (TemperaturesAIR.TRAT) will disable any elements of the control which requires its use. Elements of failure include: • the calculation of mixed air temperature for sumZ control • the selection of a mode for VAV units • economizer differential enthalpy or dry bulb control • RAT offset control for dehumidification • return air temperature supply air reset • fan tracking for building pressure control. Recovery from this alert is automatic. Reason for error is either a faulty thermistor, wiring error, or damaged input on the MBB control board. T076 (Outside Air Relative Humidity Sensor Failure) — Failure of this sensor (InputsREL.HOA.RH) will disable any elements of the control which requires its use. Elements of failure include: economizer outdoor and differential enthalpy control. Recovery from this alert shall be automatic. Reason for error is either a faulty sensor, wiring error or damaged input on the CEM control board. T077 (Space Relative Humidity Sensor Failure) — Failure of this sensor (InputsREL.HSP.RH) will disable any elements of the control which requires its use. Elements of failure include humidification and dehumidification. Recovery from this alert is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the CEM control board. T078 (Return Air Relative Humidity Sensor Fail) — Failure of this sensor (InputsREL.HRA.RH) will disable any elements of the control which requires its use. Elements of failure include economizer differential enthalpy control, humidification, and dehumidification. Recovery from this alert is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the CEM control board. T082 (Space Temperature Offset Sensor Failure) — When this failure occurs, there is no offset available that may be applied to space temperature. Recovery from this alert is automatic. Reason for error is either a faulty slider potentiometer, wiring error, or damaged input on the MBB control board. T090 (Circ A Discharge Press Transducer Failure) T091 (Circ B Discharge Press Transducer Failure) — The associated circuit becomes disabled whenever this transducer (PressuresREF.PDP.A, DP.B) fails. Recovery from this alert is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the MBB control board. 111 T092 (Circ A Suction Press Transducer Failure) T093 (Circ B Suction Press Transducer Failure) — The associated circuit becomes disabled whenever this transducer (PressuresREF.PSP.A, SP.B) fails. Recovery from this alert is automatic. Reason for error is either a faulty sensor, wiring error, or damaged input on the MBB control board. T110 (Circuit A Loss of Charge) T111 (Circuit B Loss of Charge) — Alert codes 110 and 111 are for circuits A and B respectively. These alerts occur when all the compressors on a circuit are OFF and the suction pressure is less than 18 psig, if the OAT is above –5 F for 1 continuous minute. The alert will automatically clear when the suction pressure transducer reading is valid and greater than 54 psig. The cause of the alert is usually low refrigerant pressure or a faulty suction pressure transducer. P120 (Circuit A Low Saturated Suction Temp. Comp Shutdown) T120 (Circuit A Low Saturated Suction Temperature Alert) A120 (Circuit A Low Saturated Suction Temperature Alarm) P121 (Circuit B Low Saturated Suction Temp. Comp Shutdown) T121 (Circuit B Low Saturated Suction Temperature Alert) A121 (Circuit B Low Saturated Suction Temperature Alarm) — This alert/alarm is used to keep the evaporator coils from freezing and the saturated suction temperature above the low limit for the compressors. When TemperaturesREF.TSSTA or Temperatures REF.TSSTB is less than 20 F for 4 minutes, less than 10 F for 2 minutes, less than 0° F for 1 minute, or less than –20 F for 20 seconds continuously, a compressor of the affected circuit will be shut down with a local pre-alert (P120, P121) and a 15-minute timeguard will be added to the compressor. If the saturated suction temperature continues to be less than 20 F for 4 minutes, less than 10 F for 2 minutes, less than 0° F for 1 minute, or less than –20 F for 20 seconds continuously, another compressor of the affected circuit, if it exists, will be shut down with a local pre-alert (P120, P121) and a 15-minute timeguard will be added to the compressor. This sequence will continue until the last compressor on the circuit is shutdown, at which time the circuit will be shut down with alert (T120, T121). This failure follows a 3-strike methodology. When the circuit is shutdown entirely, an alert (T120, T121) is generated and a strike is logged on the circuit. The Alert and strikes logged will automatically reset if the saturated suction temperature remains above 29.4 F for 15 minutes. On the third strike, alarm (A120, A121) will be generated which will necessitate a manual reset to get the circuit back running. It is important to note that a strike is called out only if all compressors in the circuit are off at the time of alert. To prevent nuisance alerts, P120 and P121 show up in the alarm history and locally at the display, but are never broadcast to the network. To recover from these pre-alerts, both a 15 minute hold off timer and saturated suction temperature rising above 29.4 F must occur. If recovery occurs, staging will be allowed on the circuit once again. A strike is tied to the circuit going off entirely, not reducing capacity and recovering. Therefore it is possible that multiple P120 and P121 alerts may be stored in alarm history but not broadcast. T122 (Circuit A High Saturated Suction Temperature) T123 (Circuit B High Saturated Suction Temperature) — This alert is for display purposes only. No action is taken by the control when the alert occurs. When TemperaturesREF.TSSTA or Temperatures REF.TSSTB is greater than 70 F for Configuration COOLH.SST minutes, local alert T122 or T123 will occur. The alerts automatically reset when the corresponding saturated suction temperature drops below 70 F.
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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
Page 59 and 60: Demand Level Low Heat Off Offset (L
Page 61 and 62: 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: Table 91 — Alert and Alarm Codes
Page 113 and 114: This alarm will disable mechanical
Page 115 and 116: This is the reverse of the Pressuri
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
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Saturated Discharge Temperature (de
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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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Controls, Start-Up, Operation, Service and ... - Climayoreo

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