Samsung MH026FNCA Please do cool mode try-runor heat mode try run, CONNECTED 0=A;1=B;2=C;3=D

Troubleshooting

Switch Setting and Testing Operation (cont.)

ROTARY SWITCH “SW02 ” POSITION ACCORDING TO REFRIGERANT CIRCUIT

CONNECTED (0=A;1=B;2=C;3=D )

INSTALLATION TEST MODE (with all indoor units functioning)

Please do cool mode try-run or heat mode try run.

Cool mode try-run :Push the [K2 ] button three times.

Heat mode try-run :Push the [K2 ] button once.

After 12 minutes of stationary condition check each indoor unit air treatment:

Cooling mode (indoor unit check) → Inlet air temp.-Outlet air temp : From 10°K to 12°K (indicative delta T)

Heating mode (indoor unit check) → Outlet air temp.-Inlet air temp : From 11°K to 14°K (indicative delta T) In heating mode,the indoor fan motor can remain off to avoid cold air blown into conditioned space.

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