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Midea 3M-79K Manual

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A: Lo packed valve B: Hi packed valve
C and D are ends of indoor unit connection.
CAUTION
Gas leak check
1. Soap water method:
Apply a soap water or a liquid neutral
detergent on the indoor unit connection
or outdoor unit connections by a soft
brush to check for leakage of the
connecting points of th piping. If bubbles
come out, the pipes have leakage.
2.
Leak detector
Use the leak detector to check for leakage.
15
A, B,C,D are points for one-four type.
A, B,C,D, E are points for one-five type.
Indoor unit
check point
Outdoor unit
check point
37
Fig.70
NOTE: The illustration is for explanation
purpose only. The actual order of A, B, C
D and E on the machine may be slightly
different from the unit you purchased. The
actual shape shall prevail.
E
Test running
Perform test operation after completing gas leak check at the flare nut connections and
electrical safety check.
Check that all tubing and wiring have been properly connected.
Check that the gas and liquid side service valves are fully open.
1. Connect the power, press the ON/OFF button on the remote controller to turn the unit on.
2. Use the MODE button to select COOL, HEAT, AUTO and FAN to check if all the functions
works well.
3. When the amient temperature is too low(lower than 17 C), the unit cannot be controlled by
the remote controller to run at cooling mode, manual operation can be taken. Manual
operation is used only when the remote controller is disable or maintenance necessary.
Press the Manual control button to select the AUTO or COOL, the unit will operate under
Forced AUTO or COOL mode(see User Manual for details).
4. The test operation should last about 30 minutes.
Hold the panel sides and lift the panel up to an angle until it remains fixed with a clicking
sound.
Manual control
Button
Fig.71
Manual control
button
AUTO/COOL
TEST RUNNING
… 38


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Others manual(s) of Midea 3M-79K

Midea 3M-79K User Manual - English - 33 pages

Midea 3M-79K Installation Guide - German - 39 pages

Midea 3M-79K User Manual - German - 33 pages


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