UM AER 01 N 1GB
Table Of Contents
- CONTENTS
- 1. INTRODUCTION
- 2. INPUTS/OUTPUTS DESCRIPTION
- 3. ROOM AIR TEMPERATURE CONTROL
- 3.1. SUMMER/WINTER SWITCHING
- 3.2. UNIT ON/OFF
- 3.3. COMPRESSOR CONTROL
- 3.4. DEFROST MODE
- 3.5. MAIN FAN
- 3.6. TEMPERATURE-BASED FREECOOLING AND FREEHEATING CONTROL
- 3.7. THREE DAMPERS ECONOMIZER OPTION
- 3.8. Supply air temperature minimum limit
- 3.9. FRECO OPTION
- 3.10. THERMODYNAMIC RECOVERY OPTION - TRECO
- 3.11. AUXILIARY HEATING
- 3.12. Set point compensation
- 4. ROOM AIR QUALITY CONTROL
- 5. SMOKE DETECTOR
- 6. SCHEDULING
- 7. USER INTERFACE
- 8. ALARM MANAGEMENT
- 9. SERVICING (CAREL)
- 10. MENU DESCRIPTION (CAREL)
English
37SysAer
* with delay from compressors start-up
Manual : The alarm is displayed until a manual reset but the function(s) linked to the alarm automatically
restart if the alarm cause is not present any more.
Automatic: The alarm is displayed while the alarm is active and automatically disappears
Code Alarm description Action Reset Delay Notes
AL26
B7 sensor fail
- OAT
- CST 1
/
Circuit 1 OFF
Manual 60 s
Stops the
functions
Needed for EEV1
AL27
B8 sensor fail
- OAT
- CST 2
/
Circuit 2 OFF
Manual 60 s
Stops the
functions
Needed for EEV2
AL28
Electrical Heater thermal lockout Heater 1 OFF Manual No View only
AL30
Smoke detector
General OFF, parametrable
actions on Economizer and
extractor fan
Automatic No
AL31
Circuit 1 High pressure cutout Circuit 1 OFF Automatic No
AL32
Circuit 2 High pressure cutout Circuit 2 OFF Automatic No
AL33
Circuit 1 Low pressure cutout Circuit 1 OFF Automatic Yes, fixed*
AL34
Circuit 2 Low pressure cutout Circuit 2 OFF Automatic Yes, fixed*
AL35
PLAN network failure (on the Master unit) /
AL36
PLAN network failure (on each Slave unit) / Manual Yes, fixed
AL37…AL66
General alarm of each Plan unit / Automatic No View only
AL67
B1 sensor fail (I/O expansion RAH OR IAQ) / Manual 60 s
Stops the
functions
AL68
B2 sensor fail (I/O expansion IAH) / Manual 60 s
Stops the
functions
AL69
B3 sensor fail (I/O expansion OAT) / Manual 60 s
Stops the
functions
AL70
B4 sensor fail (I/O expansion SAT) / Manual 60 s
Stops the
functions
AL71
MI/O expansion communication failure / Manual 30 s
Stops the
functions
AL72
Main blower thermostat lockout Gas burner OFF Manual No
AL73
Main blower thermostat cutout Gas burner OFF Automatic No
AL74
Gas burner internal board alarm Gas burner OFF Manual No
Display and board
reset
AL75
Return blower thermal lockout General OFF Manual No
AL78
Circuit 1 de-frosting frequency alarm too
high
Manual No
AL79
Circuit 1 de-frosting frequency warning
too high
Automatic No
AL80
Circuit 1 de-frosting time alarm too long De-frosting off Manual No
AL81
Circuit 2 de-frosting frequency alarm too
high
Manual No
AL82
Circuit 2 de-frosting frequency warning
too high
Automatic No
AL83
Circuit 2 de-frosting time alarm too long De-frosting off Manual No
AL84
Thermodynamic recovery alarm Thermo recovery off Automatic No
Refer to the
thermo. recov.
screen