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EH222 and Condensing Unit
Remote Low Side Cuber Service Manual
Controller Operation
Control Button Use (from standby - status light off)
Set purge level, 1-5 (1 is minimum, 5 is maximum) or
Automatic:
•
Hold off button in for 3 seconds. Release.
•
Press and release the On button to cycle through
and select one of the five purge settings or to use
the automatic setting.
Recall diagnostic code:
•
Hold off button in for 3 seconds. Release.
•
Press and release the Harvest button to cycle
through each of the last 10 error codes from most
recent to oldest.
Clear diagnostic code:
•
Hold Clean and Harvest buttons in for 3 seconds
to clear all prior codes.
Reset control:
•
Depress and release Off, then depress and
release On
Start Test Mode:
•
Hold Off button in for 3 seconds. Release.
•
Hold Clean button in for 3 seconds. Release.
Lock / Unlock control:
•
Hold On button in for 3 seconds, keep holding
then press and release Off twice.
Empty reservoir:
•
Hold Clean button in for 3 seconds. Release.
Pump and purge valve will be ON for 30 seconds.
Repeat as needed.
Test Mode:
•
Depress Off for 3 seconds, release. Then depress
Clean for 3 seconds.
•
The sump will fill the first 30 seconds of the test.
If the sump is full it will overflow into the bin. At 30
seconds the Water Inlet Valve will shut off and the
Water Pump will turn on. You will be able to see
and hear the water running over the plates. After
10 seconds the Purge and Vapor Inlet Valves will
turn on. Water will be purging from the machine.
After 10 more seconds the compressor will start. 5
seconds later the VIV will close. The compressor
will run for a total of 20 seconds. After which
everything will turn off for 5 seconds. After that
time the VIV will open and you'll be able to hear
the hissing as the pressure is equalized. After 10
seconds all will be off and the output test will be
complete.
Change De-Scale Notification Interval
•
Like the others, this feature is accessible only
from standby (Status Light
•
Press and hold harvest button for 3 seconds.
•
This will allow control to enter Time to Clean
Adjustment State.
•
Display current time to clean months on 7
segment display.
•
Pressing clean button repeatedly will cycle
through one of 4 possible settings:
6 months (4380 hours) (default)
5 months (3650 hrs)
4 months (2920 hrs)
3 months (2190 hrs)
August 2013
Page 38
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