Overview of AHT Controllers
Electronic Controllers
Description | AHT 001 | AHT 201 | AHT 601 | CAREL | SLV | SLV-ECO |
Manufacturer | WURM | WURM | WURM | CAREL | DANFOSS | DANFOSS |
Operation
AHT 001 / AHT 201
Switching the unit ON/OFF:
- Press the Defrost button.
- "DEF" appears on the display.
- To switch on again, press Defrost. The current temperature is displayed.
- Attention: The unit cannot be completely switched off, only set to standby mode.
Setpoint adjustment:
- Press the"+" button.
- "SETP" flashes with the current setpoint.
- Adjust using the"+" or"-" button.
Setpoints:
- Fresh meat: +1°C
- Frozen food:-19°C
AHT 601
Switching the unit ON/OFF:
- Press Standby.
- "---" appears on the display.
- Press Standby again to restart.
Setpoint adjustment:
- Press the"+" button.
- "A1" or "A3" appears.
- Select using"+" or"-" buttons.
Setpoints:
- A1 = Frozen food-19°C
- A3 = Fresh meat +1°C
Note: The MAN-DEFROST button is inactive.
CAREL
Switching the unit ON/OFF:
- Press Standby/Reset.
- "---" appears on the display.
- Press again to restart.
Setpoint adjustment:
- Press the white button to the right of the display.
- The setting changes between Fresh Meat and Frozen Food.
Setpoints:
- LED +1°C = Fresh Meat
- LED -19°C = Frozen Food
SLV
Switching the unit ON/OFF:
- Press Standby/Reset.
- Press again to restart.
Setpoint adjustment:
- Press the +/- button.
- "A1" or "A3" appears.
- Select with +/-.
Setpoints:
- A1 = Frozen food-19°C
- A3 = Fresh meat +1°C
Note:
- Automatic defrosting is not possible in meat mode.
- Press MAN-DEFROST for an additional defrost cycle in frozen-food mode.
SLV-ECO
Switching the unit ON/OFF:
- Press Standby/Reset.
- Press again to restart.
Setpoint adjustment:
- Press the +/- button.
- "A1", "A2", "A3", or "A4" appears.
- Select with +/-.
Setpoints:
- A1 = Frozen food-19°C
- A2 = Frozen food-21°C
- A3 = Fresh meat +1°C
- A4 = Positive-temperature operation
Note:
- Automatic defrosting is not possible in meat mode.
- Press MAN-DEFROST for an additional defrost cycle in frozen-food mode.
Alarm Indication
AHT 001 / AHT 201
- Unit beeps and a flashing dot or alarm message appears.
- Press DEFROST to switch the unit off and on again.
- Alarm is suppressed for 90 minutes.
- CONTACT CUSTOMER SERVICE!
AHT 601 / CAREL
- Unit beeps and a flashing dot or alarm message appears.
- Press STANDBY to switch off and on again.
- Alarm is suppressed for 90 minutes.
- CONTACT CUSTOMER SERVICE!
SLV / SLV-ECO
- Unit beeps and a flashing dot or alarm message appears.
- Press STANDBY/RESET to acknowledge the alarm.
- A permanent dot remains on the display.
- CONTACT CUSTOMER SERVICE!
Period of Use
Controller | Period |
AHT 001 | 2001-2006 |
AHT 201 | 2004-2007 |
AHT 601 | 2005-present |
CAREL | 2005-2008 |
SLV | 2006-present |
SLV-ECO | since 07/2011 |
Use at Lidl
Controller | Period |
AHT 001 | 2001-06/2004 |
AHT 201 | 06/2004-11/2006 |
AHT 601 | 12/2005-present |
CAREL | 11/2003-09/2006 |
SLV | 11/2005-10/2011 |
SLV-ECO | since 07/2011 |