123
T308
Return Air Relative Humidity Below Limit
Alert only
Automatic
T309
Return Air Relative Humidity Above Limit
Alert only
Automatic
T310
Supply Duct Static Pressure Below Limit
Alert only
Automatic
T311
Supply Duct Static Pressure Above Limit
Alert only
Automatic
T312
Building Static Pressure Below Limit
Alert only
Automatic
T313
Building Static Pressure Above Limit
Alert only
Automatic
T314
IAQ Above Limit
Alert only
Automatic
T316
OAT Below Limit
Alert only
Automatic
T317
OAT Above Limit
Alert only
Automatic
T318
Static Pressure (SP) Not Holding Setpoint
Alert only
Automatic
T319
Building Pressure (BP) Not Holding Setpoint
Alert only
Automatic
T320
DELTACFM Not Holding Setpoint
Alert only
Automatic
T321
SH_A1 Not Holding Setpoint
Alert only
Automatic
T322
SH_A2 Not Holding Setpoint
Alert only
Automatic
T323
SH_B1 Not Holding Setpoint
Alert only
Automatic
T324
SH_B2 Not Holding Setpoint
Alert only
Automatic
T325
Circuit A High Pressure Drop Detected – Check Filter Drier
Alert only
Automatic
T326
Circuit B High Pressure Drop Detected – Check Filter Drier
Alert only
Automatic
T327
Heat Not Holding Setpoint
Alert only
Automatic
T328
Cool Not Holding Setpoint
Alert only
Automatic
T329
Possible MLV/HGBP Failure Detected
Alert only
Automatic
T331
SH_A1 Flooding Detected
Alert only
Automatic
T332
SH_A2 Flooding Detected
Alert only
Automatic
T333
SH_B1 Flooding Detected
Alert only
Automatic
T334
SH_B2 Flooding Detected
Alert only
Automatic
T335
Excess Outdoor Air
Alert only
Automatic
A400
Hydronic Freeze Stat Trip
Unit in emergency mode
Automatic
A404
Fire Shut Down Emergency Mode (fire-smoke)
Unit shut down
Automatic
A405
Evacuation Emergency Mode
Run evacuation mode
Automatic
A406
Pressurization Emergency Mode
Run pressurization mode
Automatic
A407
Smoke Purge Emergency Mode
Run smoke purge mode
Automatic
T408
Dirty Main Air Filter
Alert only
Automatic
T409
Supply Fan Commanded Off, Sensed On Failure
Alert only
Manual
A409
Supply Fan Commanded On, Sensed Off Failure
Unit shut down
Manual
A410
Supply Fan VFD Fault
Unit shut down
Manual
T411
Exhaust Fan VFD Fault
Unit shut down
Manual
T412
Dirty Post Air Filter
Alert only
Automatic
A413
Air Pressure Safety Switch Trip
Unit shut down
Manual
T414
Damper Air Not Modulating
Alert only
Manual
P415
Main Air Filter Notification - Change Soon
Alert only
Automatic
P416
Post Air Filter Notification - Change Soon
Alert only
Automatic
T421
Thermostat Y2 Input On without Y1 On
Run on Y2
Automatic
T422
Thermostat W2 Input On without W1 On
Run on W2
Automatic
T423
Thermostat Y and W Inputs On
No cooling or heating
Automatic
T424
Thermostat G Input Off On a Cooling Call
Turn fan on and cool
Automatic
T430
Plenum Pressure Safety Switch Trip
Alert only
Automatic
A430
Plenum Pressure Safety Switch Trip
Unit shut down
Manual
T431
PE Motor Starter Protector Tripped
Alert only
Automatic
A432
PE Motor Starter Protector Lockout
No building pressure control
Automatic
A433
3-Phase Power Failure
Unit shut down
Manual
T500
Current Sensor Board Failure - A1
Alert only
Automatic
T501
Current Sensor Board Failure - A2
Alert only
Automatic
T502
Current Sensor Board Failure - B1
Alert only
Automatic
T503
Current Sensor Board Failure - B2
Alert only
Automatic
T504
Current Sensor Board Failure - A3
Alert only
Automatic
T505
Current Sensor Board Failure - B3
Alert only
Automatic
T506
Current Sensor Board Failure - A4
Alert only
Automatic
T507
Current Sensor Board Failure - B4
Alert only
Automatic
T610
Economizer 1 Actuator Out of Calibration
Alert only
Automatic
T611
Economizer 1 Actuator Comm Failure
No economizer functions
Automatic
T612
Economizer 1 Actuator Control Range Increased
Alert only
Automatic
T613
Economizer 1 Actuator Overload, Setpoint Not Reached
Alert only
Automatic
T614
Economizer 1 Excessive Utilization
Alert only
Automatic
T615
Econ 1 (Outside 1) Not Economizing When it Should
Alert only
Automatic
T616
Econ 1 (Outside 1) Economizing When it Should Not
Alert only
Automatic
T617
Econ 1 (Outside 1) Damper Stuck or Jammed
Alert only
Automatic
T620
Economizer 2 Actuator Out of Calibration
Alarm only
Automatic
T621
Economizer 2 Actuator Comm Failure
No economizer functions
Automatic
Table 92 —
Alert and Alarm Codes (cont)
ALARM OR
ALERT
NUMBER
DESCRIPTION
ACTION TAKEN BY CONTROL
RESET METHOD
Содержание WeatherExpert 48N2
Страница 135: ...135 Fig 18 48 50N Typical Power Schematic Nominal 075 Ton Unit Shown ...
Страница 136: ...136 Fig 19 48 50N Typical Power Schematic Nominal Ton 90 150 Units Shown ...
Страница 137: ...137 Fig 20 48 50N Main Base Board Input Output Connections ...
Страница 138: ...138 Fig 21 48 50N RXB EXB CEM Input Output Connections a48 9307 ...
Страница 139: ...139 Fig 22 48 50N EXV SCB Input Output Connections a48 9308 ...
Страница 140: ...140 Fig 23 48N Typical Modulating Gas Heat Unit Control Wiring ...
Страница 141: ...141 Fig 24 50N Typical Electric Heat Unit Control Wiring ...
Страница 144: ...144 Fig 27 48N Typical Gas Heat Section Wiring Nominal Ton 120 to 150 Units ...
Страница 145: ...145 Fig 28 48 50N Typical Power Component Control Wiring 460 v ...
Страница 146: ...146 Fig 29 48 50N Component Control Wiring 575 v Nominal Ton 075 to 150 Units ...
Страница 147: ...147 Fig 30 48 50N Component Arrangement Power Box ...
Страница 148: ...148 Fig 31 48 50N Component Arrangement Control Box ...
Страница 168: ...168 Fig 47 Sensor and Ignition Position Fig 48 Combustion Blower Details SENSOR DETAILS IGNITION DETAILS ...
Страница 240: ...240 APPENDIX D VFD INFORMATION CONT Fig G VFD Bypass Wiring Diagram WHEN USED ...