Maintenance - SOLAR AC DC DLMDWA1-ACDC-18K Installation Manual

Before the test run:
Verify that:
•
The unit's electrical system is safe and will operate properly.
•
The gas leak checks have been performed.
•
Confirm that the low- and high-pressure valves are fully open.
The test should run for at least 30 minutes.
Connect power to the unit.
Press the On/Off button on the controller. The indoor unit will respond.
Press the MODE button to scroll the functions one at a time:
COOL – Select the lowest temperature. Allow to run for 5 minutes.
HEAT – Select the highest possible temperature. Allow to run for 5 minutes.
After the Test Run is completed, return the unit to normal operating temperature.
Wrap the pipe connections with insulation.
Commissioning checklist
Checks to be performed
Solar Array Voc maximum less
than 380 Volts. Must be
compensated for temperature
Solar array earthed
Solar array operating current test
AC and DC leakage test
Indoor and outdoor unit earthed
All electrical connections proper
and secured
All pipe connections leak tested
Water drains properly
Condensate pump working if
installed
Piping properly insulated
Test Cooling function
Test Heating function
Eco Mode limits AC input current

Maintenance

Each year:
Indoor unit:
Turn off the air conditioner.
Remove and clean or replace air filters.
Revision 25 July 2021
Commissioning Check list
Pass Fail Notes
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