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Checking Universal Comm. Kit installation
1. Check that Control assembly is correctly installed.
You can choose either indoor unit attachment type or indoor unit separation type.
Check the length of connection cable of Control assembly is correct.
Check that the connection of Control assembly connecting cable is correct.
the separation type, it is essential.)
Make sure the Control assembly is not exposed to sunlight or rain.
2. Check that the EEV Assembly is correctly installed.
Check whether IN and OUT pipe connection is correct.
3. Check that the EVA IN/OUT sensor is correctly installed.
exchanger, check that you have insulated the attached sensor.
you have insulated the attached sensor.
4. Amount of additional refrigerant for universal comm. Kit:
•
function.
CAUTION
Test operation
1. Before supplying power, measure the grounding between the power terminal(1phase: L, N) and
• Do not measure the communication terminal as the communication circuit may get damaged.
• For the communication terminal, check the short circuit using a general circuit tester.
CAUTION
2. Before supplying power, check the voltage of the power(L, N), and turn the switch on.
N
L
3.
operates correctly.
Thermal resistance of insulator for refrigerant pipe
Leakage of refrigerant gas
Drainage status
Power connection status
Connection status with a circuit breaker and grounding status
Correct operation for each operation mode
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