Vermont Casting MSY-D36NA Test Point Diagram and Voltage, Power monitor receiver P.C. board

Page 30

9-7. TEST POINT DIAGRAM AND VOLTAGE

MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA

Indoor electronic control P.C. board

Cement resistor (R111)

 

Power supply input

Varistor (NR11)

208 / 230 VAC

 

 

}

Fuse (F11) 250 V 3.15 A

Release of Auto restart function Solder the Jumper wire JR07 (Refer to 7-3.)

Power monitor receiver P.C. board

Indoor fan motor (CN211)

294 / 325 VDC

(-) Fiducial terminal of cathode side on measur- ing high-voltage DC

15 VDC

(+)3-6 VDC

(+)0 VDC or 15 VDC

5 VDC

Indoor coil thermis- tor RT12(MAIN) RT13(SUB) (CN112)

Horizontal vane motor(CN151)

Room temperature

thermistor(RT11)

(CN111)

}Timer short

mode point

JPG, JPS (Refer to 7-1.)

12 VDC Vertical vane motor (CN152)

Indoor coil thermistor [RT12 (MAIN), RT13 (SUB)] Room temperature thermistor (RT11)

40

SW P.C. board

Resistance (kΩ)

30

20

10

0

32

50

68

86 104 122 140

 

Temperature (°F)

30

Image 30
Contents MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA Page Technical Changes Accessories Part Names and FunctionsSpecification Operating Range Outlet AIR Speed and Coverage RangeOutlines and Dimensions MSZ-D36NA MSY-D30NA MSY-D36NAWiring Diagram Refrigerant System Diagram UnitinchHow to modify the remote controller P.C. board Service FunctionsTimer Short Mode P.C. Board Modification for Individual OperationAuto Restart Function OperationOperation Indicator lamp Microprocessor ControlFAN Operation MSY Cool OperationHeat Operation MSZ Feel Control Operation MSYAuto Change Over ··· Auto Mode Operation MSZ Mode selectionFuzzy control Auto Vane Operation Vertical vane 3 4 Swing 5Program Timer Minute Time Delay Operation Changing Temperature Indication F /CEMERGENCY/TEST Operation Troubleshooting procedure TroubleshootingBefore troubleshooting, check the following How to replace batteriesFailure Mode Recall Function OFFIndoor unit failure mode table Eration IndicaInstruction of Troubleshooting StartTroubleshooting Check Table Lighted Blinking Not lightedTrouble Criterion of Main Parts Troubleshooting Flow Check of indoor fan motorCheck of remote controller and receiver P.C. board Indoor electronic control P.C. board How to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios Test Point Diagram and Voltage Power monitor receiver P.C. boardSW P.C. board Removing the panel Disassembly InstructionsBoard, the power monitor receiver P.C. board and the SW Removing the electrical box, the electronic control P.CRemoving the nozzle assembly Removing the vertical vane motorRemoving the horizontal vane motor Removing the line flow fan and the indoor fan motor Page Page New publication, effective Feb Distributed in Feb . No. OBH501Made in Japan