AHT RIO H 68 G Beiblatt Zu Betriebsanleitung Seite 2

AHT Cooling Systems GmbH
Supplementary sheet SNr.: 356215 EL/1216 „supplement to chapter 9.3"
to operating manual
SNr. 313659 Commercial refrigerating appliance
NUCAB, RIO, SAO PAULO, SHANGHAI
:
Subject new control range with electronic temperature controller DIXELL
Model
RIO H 68 G
9.3 DIXELL electronic temperature
controller
The above mentioned models are equipped with
an electronic temperature controller of type
"DIXELL". The setpoint for the internal tempera-
ture can be set in the following ranges:
Control range for internal temperature
-17°C to -30°C (1,4°F to -22°F)
The controller is located on the front, from where
it can be operated using the keys. Three keys are
provided as operating elements that are used as
follows:
1.
Abb. 3.1: Controller type DIXELL- operating elements and
display indicators (symbols)
Operating
element
1. [SET]-key Display or
change the setpoint
Factory-set setpoint :
-27°C ( -16,6°F)
2. [Up] - key
Increase setpoint
3. [Down] - key
Decrease setpoint
All other buttons on the display are
blocked for the operator.
Type
R-404A
B 830(B)(F)(M)(-5)
9.3.1 Setting the setpoint
Display the set setpoint:
To leave the setpoint display:
The actual value is displayed again.
Change the set setpoint:
2
9.3.2 Error message and -acknowledgement
3
An alarm is displayed in alternation with the tem-
perature through an error code * (flashing dis-
play) (→ see table below). There is also the op-
tion of outputting an acoustic signal through an
additional buzzer that has been installed
1.) The acoustic alarm (where available) is
Function
2.) The error code appears (in alternation with the
/
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Dimensions [mm]
L x T x H / W x D x H
680 650 x 880
Press [SET] key
Wait 15 sec. or
press the [SET] key again.
Press the [SET] key for at least 2 sec.
The setpoint is shown on the display and the
LED symbol °C/°F flashes.
Next, the setpoint can be increased or de-
creased with the [UP]/[DOWN] key.
The new setting will be adopted automatically
15 seconds after the last key has been pressed
or by pressing the [SET] key.
acknowledged by briefly pressing any key.
temperature) until the error is resolved.
Error code* Meaning
P1 Room sensor 1 defective or
missing
P2 Room sensor 2 defective or
missing
HA High-temperature alarm
Internal temperature
LA Low-temperature alarm
Internal temperature
SNr.: 356215 EL/1216