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Split-type air conditioners Mitsubishi Electric MSZ-FH25VE, MSZ ...

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10-7. TEST POINT DIAGRAM AND VOLTAGE<br />

Indoor power P.C. board, Indoor electronic control P.C. board, Receiver board, Display board, Switch board<br />

<strong>MSZ</strong>-<strong>FH25VE</strong> <strong>MSZ</strong>-FH35VE<br />

Indoor power P.C. board<br />

Connector Terminal<br />

Fuse (F11) Varistor (NR11) Indoor fan motor<br />

Block (CN201)<br />

(CN211)<br />

(+)0 or 15 VDC<br />

(+)3-6 VDC<br />

15 VDC<br />

(–) GND (highvoltage<br />

DC)<br />

325 VDC<br />

5 VDC<br />

GND<br />

Connector to indoor<br />

electronic control<br />

P.C. board (CN202)<br />

Indoor electronic control P.C. board<br />

Room temperature<br />

thermistor RT11 (CN111)<br />

Interlock switch (CN1R1)<br />

Air purifying device (CN1T1)<br />

Display board CN110<br />

~ pin<br />

Receiver board<br />

(CN301)<br />

i-see SENSOR<br />

MOTOR MT<br />

i-see SENSOR<br />

CN151<br />

Vane motor MV1<br />

(horizontal)<br />

Vane motor MV2<br />

(vertical)<br />

Switch board<br />

Emergency operation switch (E.O.SW) (SW1)<br />

OBH623<br />

~ pin<br />

, , ,<br />

, pin<br />

~ pin<br />

~ 26 pin<br />

~ pin<br />

12 VDC<br />

Indoor coil thermistor<br />

RT12, RT13 (CN112)<br />

5 VDC<br />

12 VDC<br />

33<br />

Room temperature thermistor (RT11)<br />

Indoor coil thermistor (RT12, RT13)<br />

Resistance (kΩ)<br />

GND Timer short mode point<br />

JPG JPS (Refer to 8-1.)<br />

Resistor (R111)<br />

Temperature (°C)<br />

Connector to indoor<br />

power P.C. board<br />

(CN102)<br />

To disable "Auto restart<br />

function" cut the Jumper<br />

wire to JR77 (Refer to 8-4.)

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