7. ELECTRICAL CHECKS
After installation, confirm that all electrical wiring is installed in accordance with local and national
regulations before proceeding.
WARNING: All wiring must comply with local and national electrical codes and must
be installed by a licensed electrician.
Check all Connections
Check all wiring connections to ensure there are no loose or uncovered ends exposing
bare connections or wire. Using a multimeter, verify the proper voltage at each
connection point.
Check Grounding Work
Measure grounding resistance by visual detection and with grounding resistance tester.
Grounding resistance must be less than 5 ohms.
8. TEST RUN
8.1 BEFORE TEST RUN
Only perform test run after completing all the following steps:
• Electrical Safety Checks - Confirm that the electrical system is safe and operating
properly.
• Gas Leak Checks - Check all flare nut connections and confirm that the system is not
leaking.
• Confirm that gas and liquid (high and low pressure) valves are fully open.
8.2 INSTRUCTIONS
Perform the test run for at least 30 minutes.
1. Connect power to the unit.
2. Press the ON/OFF button on the remote controller to turn it on.
3. Press the MODE button to scroll through the following functions, one at a time:
a. COOL - Select the lowest possible temperature.
b. HEAT - Select the highest possible temperature.
4. Let each function run for 5 minutes, and perform each of the checks listed in the table
below:
CHECK TO PERFORM PASS FAIL
Unit is properly grounded
All electrical terminals are properly covered
Indoor and outdoor units are securely installed
All line set connection points do not leak
Water drains properly from the drain hose
All line set is properly insulated
Unit performs Cool function properly
Unit performs Heat function properly
Indoor unit louvers rotate up and down properly
Indoor unit responds to remote control
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