Daikin AHT MONTREAL XL 175 (U) NAM, Operating Instructions Manual

Page: 37 / 104

AHT Cooling Systems GmbH | en-US Control and display elements | 5
440195_1_0521 37 / 104
– Freezer
– Ice cream freezer
Switching between the operating modes is done via
the controller
[see
}
Chapter 5.2] .
NOTICE
Property damage caused by missing interior.
§
Operate unit with wall grille at any setting.
§ Operate the unit in Area of use/operating mode
Refrigerator with wall grilles, bottom inlays and
floor grilles.
The waste heat generated in the unit is discharged to
the ambient air via a heat condenser.
Unit automatically defrosts in regular cycles to keep
the inner tank free of frost and ice
[see
}
Chapter 4.1] .
Unit works properly even if frost/ice accumulates on
the surface of the inner tank.
A limited number of semi-automatic defrosts can be
performed
[see
}
Chapter 5.2.4] .
4.1 Automatic defrosting
The appliance features automatic defrosting.
The following display messages and symbols appear
during automatic defrosting
[see
}
Chapter 5] .
Controller Display Symbol
AHT
The frequency, duration, and time of defrosting are
preset.
Defrosting frequency
– Once/week
Defrosting period
– Up to 70 min
Defrosting time
– Start time is controlled with a real time clock and
takes place during the night.
The defrost cycle ends automatically when the ice/
frost is removed.
The end of the defrost cycle is triggered by the internal
temperature sensor or the software-based maximum
timeout time.
The accumulated condensation water is guided out of
the device interior into the machine room and evapo-
rated there.
CAUTION
Leakage of defrosting water.
Slipping hazard.
§
Check for puddles in front of and under
the appliance.
§
Remove any defrosting water that es-
capes immediately.
§
Contact the maintenance service immedi-
ately
[see
}
Chapter 11.3.2] .
If automatic defrosting takes place during business
hours, contact the maintenance service
[see } Chap-
ter 11.3.2] .
For unit with Area of use/operating mode Refrigerator/
Ice cream freezer semi-automatic defrosting can be
initiated if required
[see
}
Chapter 5.2.4] .
After each automatic or semi-automatic defrost, it is
blocked for 84 hours.
Automatic defrost and semi-automatic defrost (button
) are set inactive in Area of use/operating mode
Freezer.
5 Control and display
elements
5.1 Temperature display
Interior appliance temperature display
– Display screen at the control element
[see
}
Chapter 5]
Check of interior temperature
Responsibility
– Operating personnel
Frequency
– several times daily
5.2 Control elements and
displays
Keys are available as control elements, with the fol-
lowing assignments:
Fig. 3: Control elements
Key Function
Switch cooling function on and
off
Start semi-automatic defrosting
Application change
Increase bus address
Key lock
Acknowledge acoustic alarm
Call up error code
Key lock
Switch appliance lighting on
and off