Samsung MXD-K100XN, Installation Manual

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Installation
After Installation
AHU-KIT Installation Check
1) Ensure that Control-KIT is correctly installed.
• You can choose the built-in type or auxiliary type depending on installation environment.
• Ensure that the Control-KIT cables are correctly connected.
• Control-KIT should be fireproofed and avoid direct sunlight upon installation.
(Especially for individual type)
• Avoid installing the unit in a location exposed to direct sunlight or rain.
• Do not install the Control-KIT in or on the outdoor unit.
2) Ensure that EVA IN/OUT sensor is correctly attached.
• EVA IN sensor should be attached after the distributor, on the coldest part of the heat exchanger piping.
Ensure that the sensor is insulated.
• EVA Out sensor should be installed on the middle of inlet and outlet ports.
Test Operation
1) Before turning the power on, use DC 500V insulation tester to check the power terminal (L,N) and the earthing on AHU-KIT.
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2) Test the voltage of power(L, N) before turning on the power.
220V
N
L
<ELB>
3) Check the list below after installation and make sure the AHU-KIT units are properly operating.
• Installation environment (resistance level etc.)
• Refrigerant leak test
• Power cable
• Insulation on refrigerant pipe.
• Drainage
• Circuit breaker connection and earthing
• Normal system operation
• Insulation tester may damage the communication circuit.
• Communication terminal should be tested with ordinary circuit tester to check the short circuit.
CAUTION