Thetford NR740 Manual do Utilizador descarregar pdf (Página 9)

Refrigerator Service Manual

DC0040(K), DC0051(K), DE0040, DE0051, DE0240T, DE0251T,

DC0740(X), DE0740(X), DC0751(X), DE0751(X) Models

Troubleshooting - Procedure I

Proper Ventilation

Ventilation is necessary for the correct operation of the refrig-

erator. Good ventilation also increases the life of the refrigera-

tor's cooling system. The current models are equipped with

built-in ventilation systems that draw cooler air through the

lower intake vent. This air is then circulated over the cooling

unit to remove excess heat from the cooling system. The heat-

ed air is then rejected through the upper vent. If this airow is

blocked or decreased, the refrigerator will not cool correctly.

CAUTION: Do not block the vents by closet

or cabinet doors.

Reducing the vent area can cause the following:

Shortened life of the refrigeration-cooling unit. ■

Poor cooling performance of the refrigerator. ■

Continuous operation of the refrigerator. ■

Fast battery discharge. ■

Voiding the refrigerator warranty. ■

AC 85~132V

ORANGE

WHITE

AC IN(L)

AC IN(N)

B3P-VH

AC/DC

converter

AC/DC PART

DC OUT + RED

DC OUT - BLACK

DC INPUT

CN1

B2P-VH

FAN MOTOR

24V DC

RED BLACK

XHP-2

B2B-XH-A

CONDENSOR

COUPLING

CN2

B3P-VH VHR-3N

SK515-N

INVERTER

ELECTRONIC

CURRENT

PROTECTOR

RED

BLACK

BATTERY IN +

BATTERY IN -

FUSE

BATTERY

MONITOR

(OPTIONAL)

ELECTRONIC

THERMOSTAT

DC/DC

converter

INPUT HIGH

VOLTAGE

PROTECTOR

HIGH TEMPERATURE

PROTECTER

BUZZER (OPTIONAL)

LOW TEMPERATURE

PROTECTER

DC 39V FOR 40W

DC 41V FOR 60W

CN4

B2B-EH

EHR-2

BLACK BLACK

EVAPORATOR

THERMISTOR

AMBIENT

THERMISTOR

AMBIENT

THERMISTOR

DC/AC PART

DC 12~32V

FUSE

ART01957

Wiring Schematic

1 2 3 4 5 6 7 8 9 10 11 12

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