ACP AXP5203 Manuel de service télécharger pdf (Page 32)

Illustration Component Test Results

Transformer

Discharge Capacitor

Remove all wires from terminals.

Measure resistance from:

230 to COM..................................................

208 to COM..................................................

230 to Ground..............................................

208 to Ground..............................................

Terminal 5 to 6.............................................

Terminal 4 to Ground...................................

Less than 1 Ω

Infinite

Less than 1 Ω

Approximately Ω

Convection blower

motor

Use Service test to verify operation

ST1-1 to ST1-3

BK BU

Convection heating

element (Top)

Disconnect wires from terminals.

Measure resistance across heating

element.

Element 2000 W .......................

Approximately 19 - 22 Ω

Heating

element (Bottom)

Disconnect wires from terminals.

Measure resistance across heating

element.

Element 3000 W .........................

Approximately 14

Ω

Resistance thermal

device (RTD)

Temperature

32°F

.............................................................

350°

...........................................................

Resistance

1000 Ω

1654 Ω

0 1

2 4

6 8

Relay (Power)

This relay contains a

diode in the coil

circuit.

Measure resistance from:

Terminal 0 to terminal 1 (coil) ...........

0 1

2 4

Approximately 6 to 7 M

NOTE: Analog meter is recommended

for measurement.

NOTE: If using a digital meter it must

contain a battery of 6 volts minimum.

Wire harness High voltage board

to display module

harness

Test continuity of wires ....................... Indicates continuity

Ω

----------------------------------------------

Line Voltage

ST2

GN - YL - OR -BU-------------------------------

Disconnect ST2

Fan should operate at

High Speed

Primary switch

Secondary switch

Monitor Interlock

switch

Com

ST1

ST2

NC to Com

NO to Com

Indicates continuity

Indicates infinity

COM

NC to Com

NO to Com

Indicates continuity

Indicates infinity

1 to 2

1 to 3

Indicates continuity

Indicates infinity

(0°C)

(177°C)

3 1

Limiter

Note: Unit must have

power applied to test

Limiter.

Red - Orange Lead Terminals

Line Voltage

Yellow - Yellow Leads disconnected from

Limiter

24vdc across yellow leads

(Polarity must be correct)

Terminal 6 - Terminal 7

0 Ω

Indicates continuity

.......................

GND

Power supply board

-24 Volt

Red to White lead - J2 Power Supply Board

Approximately 24vdc

Component Testing Procedures

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 41 42

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ACP AXP5203 Manuel de service Page 32

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