Handleiding
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Mute: You may mute the alarm by pressing and releasing the wrench button. The red ringing bell and all error codes will
still be displayed. When the fault is remedied the control will return to normal operation and will automatically clear the
codes from the display.
EO = Air sensing probe - Open or shorted
E1 = Evap. coil probe - Open or shorted
Error codes may be encountered if either the controller or the display case is malfunctioning. The following is a list of
error codes that may be encountered.
Table 1 - Error Codes and Resolutions
Code
Description
Cause
Resolution
E0
Temperature probe
error
Probe signal is
interrupted or short-
circuited
Check to ensure probe wires and quick
disconnect are secure in control.
Check probe resistance to table below. If 0
resistance is present check wiring insulation. If
infinite resistance is present check for breaks in
wiring (meter will likely read overload or very
high in the mega-ohm range).
Ensure that probes are wired per the wiring
diagram provided.
Replace probe if other remedies fail, or if probe
resistance deviates from “
” below
E1
Defrost probe error
See E0
EE
Unit parameter
reading error
Operating conditions
Remedy abnormal operating conditions. The
control is rated to operate in a range of 14 to
122°F (-10 to 50°C) and less than 90%RH non-
condensing.
Replace control if problem persists.
EF
Operating parameter
reading error
See EE
10.5 ELECTRONIC CONTROL OPERATION
This unit is equipped with an electronic temperature control. The control parameters are set at the factory and cannot be
manually changed in the field. The pre set control parameters are listed on the chart in the Settings Chart below.
Operation
The control uses two sensors, one located in the air stream and one located on the evaporator coil. The sensor
located in the air stream is referred to as the temperature control sensor. The sensor located on the evaporator coil
is referred to as the defrost probe.
The temperature control sensor is located on the plastic tub behind the evaporator coil to the left in the cold air
stream. The sensor location is critical for proper operation on the unit. Do not move or relocate this sensor.
The coil sensor is strapped to the evaporator coil. This sensor location is critical for proper operation of the unit.
Do not move or relocate this sensor.
The temperature control is set to cut in at 39°F (3.9°C). The Temp control cuts out at 26°F (-3.3°C) at the coldest
setting “9” and 36°F (2.2°C) at the warmest setting “1”.
Defrost Cycle
The control is programmed to initiate defrost via two different methods. There are 3 programmed defrost cycles in
the case which will initiate a defrost cycle every 8 hours. The unit does not have a time clock so the defrost cycles
cannot be set for any specific time of day.
The unit also has an ‘On demand’ defrost feature that will initiate a defrost when the temperature differential
between the evaporator temperature and the air temperature is more than 20°F (11.1°C) for 5 minutes after 30
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Productinformatie
| Merk | Federal |
| Model | UCR3633C |
| Categorie | Koelkast |
| Taal | Nederlands |
| Grootte | 3848 MB |
