Bedienungsanleitung Dometic Elite Control DX systems (Seite 10 von 24) (Englisch)

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Programming Elite Control Operations Manual

8 L-2230 ENGLISH

PROGRAMMING

PROGRAMMING PROCEDURE

1. Enter Program Mode. (See “Entering Program Mode” on page 7 for details.)

2. Press and release the Mode button to increment from one program parameter to the next. Press and release the Fan

button to decrement from one program parameter to the previous.

3. Use the Up and Down buttons to change the parameter’s setting.

4. Press the Power button to exit Program Mode and return the control to Off Mode. Or, to memorize the changes as the

new defaults, simultaneously press the Up and Down buttons (optional).

PROGRAMMABLE PARAMETERS

The system’s default parameters may be changed by the installing dealer or end user. Once new values are entered and

memorized, the factory defaults are overwritten and the new parameters become the default values. You can restore the original

factory default parameters manually. A summary of the parameters, the permitted values, and original factory default settings of

each are listed in Table 2, page 12.

P-1: High Fan Limit

Values for the upper fan-speed limit range from 56 to 95. Set a higher number to increase the fan speed or a lower number to

slow the fan speed.

P-2: Low Fan Limit

Values for the lower fan-speed limit range from 30 to 75. Set a higher number to increase the fan speed or a lower number to

slow the fan speed.

P-3: Compressor Staging Time Delay

The compressor staging delay is for installations where more than one system operates from the same power source. Setting

different staging delays allows compressors to start at different times when power is interrupted. Stage the units at least five

seconds apart. Minimum delay is 5 seconds and maximum is 135 seconds.

P-4: Temperature Calibration

This feature calibrates the ambient sensor within a range of ±10°F. Adjust this parameter to display the correct room-

temperature reading. Note that setting increments are in °F even when the control is set to display °C.

P-5: Failsafe Level

There are four failsafe levels. See “Failsafe and Fault-Handling Codes” on page 13 for details.

P-6: Low Voltage Monitor

(Available only in software revision A15 and newer.) The Elite has a built-in voltmeter circuit that monitors the AC input

voltage. Depending on whether the input power supply is 115VAC or 230VAC, this parameter can be set to “OFF”, to “95” (for

115VAC input power) or to “195” (for 230VAC input power). The factory default setting is OFF.

When this parameter is set to 95/195, the Elite checks the AC input voltage prior to each cooling or heating cycle and prevents

the compressor from starting if the voltage is less than 95VAC/195VAC. This provides extra protection for the compressor and

components within the system during low voltage (brownout) conditions. If this low voltage condition occurs, the fault code

“LAC” appears in the LED display. The fault will continue until the AC input voltage rises above 95VAC/195VAC, at which time

the LAC fault code clears automatically and the cooling or heating cycle will commence.

After the compressor is started, the low voltage monitor continues to check the AC input voltage. If it drops below the specified

setting and remains below for 5 minutes, the system will shut down and the “LAC” fault will be displayed. The system will remain

shut down until the voltage goes back above the specified setting. Once the voltage is restored, after the normal fault recovery

NOTE

If you have any reason to contact Dometic about the system or programming the control, you must have the software

identification number and air conditioning unit serial number available. The serial number may be found on the

dataplate label.

IMPORTANT

If you have any programming problems or confusion occurs, reset the Memorized Default Settings by entering

Program Mode and setting P-15 to “rSt”.

IMPORTANT

Once the high and low fan speed limits are set, the unit automatically readjusts the remaining speed to produce three

equally spaced fan speeds in both Automatic and Manual Fan Modes.

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