Engel F Series Manuale utente

MT60F-U1

2006.9

THE TABLE OF CONTENTS

1. SPECIFICATIONS 1

2. UNIT BLOCK DIAGRAM 2

3. WIRING DIAGRAM 2

4. INSTALLATION 3

4-1 INSTALLATIOＮ AND VENTING

4-2 WIRE GAUGE IS IMPORTANT

5. TROUBLE SHOOTING 4～5

5-1 BLOCK DIAGRAM

5-2 TYPICAL TROUBLE

5-3 TECHNICAL DATA

6. CHECKING POINTS ＆ MEASURING 6

6-1 Compressor input voltage

6-2 Compressor coil resistance

6-3 Thermistor resistance

7. WORKING ORDER FOR REPLACEMENT 7～8

7-1 Cooling Unit

7-2 Power Supply

1. SPECIFICATIONS

STORAGE VOLUME ℓ（liter）

DOOR

CABINET

DOOR

CABINET

LBS.

F SERIES MODEL

COMPRESSOR RATING

EXTERIOR FINISH

INTERIOR FINISH

INPUT VOLTAGE

RATED AMPERAGE

INTERIOR DIMENSIONS

W×D×H

EXTERIOR DIMENSIONS

W×D×H

AC85〜132V 50/60Hz

DC 11V〜32V

4.2A

(Input voltage DC 12.8 V, Ambient temperature 30℃）

1.2A/AC120V

TEMPERATURE CONTROL Electronic thermostat

AC 16 V, 3A 48W

REFRIGERANT

AVERAGE INSIDE ROOM

TEMPERATURE

(at Ambient temperature 30℃）

MT60F-U1

31.1×19.3×17.2

(Max. 31.6×20.5×17.4)

790×490×436

(Max. 801.5×520×441)

Melamine coating steel plate

A.B.S. Resin

20.4×14.9×12.4

517×378×315

Dichlorodifluoromethane (R-134a)

7℃±3℃

by Thermostat control NOTCH 1

TEMPERATURE CONTROL NOTCH 5

OR FREEZE

(at Ambient temperature 30℃）

Under −18 ℃

WEIGHT

2 . BLOCK DI AGRAM

3.WIRING DAIGRAM

AC85〜132V

50/60Hz

OPTIONAL PARTS

AC85〜132V

50/60Hz

DC11〜32V

4. INSTALLATION

4-1 INSTALLATION AND VENTILATION

(1) Your shockproof fridge should be installed on a solid surface board or floor. .

(2) Be sure your fridge is not put in direct sunshine, near a gas stove, heater or other

heat-generating appliances.

(3) Adequate ventilation and suitable distance from each wall (at least 150mm or more)

result in maximum cooling performance and minimum electric current consumption for

"free standing use" (refer to the fig. as below).

(4) Avoid installing your fridge close to a kitchen sink and faucet.

(5) If you would like to use the fridge under the counter or in the fixing box, please make

sure the following air ventilating condition.

① Make the openings for ventilation at top and bottom cover both side.

② Opening size must be larger than 160㎠ for each opening (additional air circulation

above the condenser is expected better cooling performance).

［CAUTION］

Insufficient ventilation results in poor cooling performance, compressor continuous

operating, to be accelerated battery discharge and sometimes to be shortened

the fridge life.

4-2 WIRE GAUGE IS IMPORTANT !

Please use following wire for the connection from refrigerator to battery.

Shorter than 3.7 m (12 ft.)

From 3.7 m (12 ft.) to 6.1 m（20 ft.)

Distance Between Fridge and battery DC 12 volt series

Wire gauge

From 6.1 m (20 ft.) to 9.6 m（31.5 ft.)

SWG ♯ 18 (AWG ♯ 16) / 1.2㎟

SWG ♯ 16 (AWG ♯ 14) / 2.1㎟

SWG ♯ 14 / 3.2 ㎟

(AWG ♯ 12 / 3.3 ㎟)

㎠

㎜

㎠

5. TROUBLE SHOOTING

5-1 BLOCK DIAGRAM

Check Result Judge Repair

Interval moving

Input voltage 　DC12V, 0～10A 　The compressor is Replace the

Compressor Yes 　DC12V, 4.2A 　DC24V, 0～5A 　locked, or contaminated cooling unit

works 　DC24V, 2.1A

No Lower than rated Gas is leaking or no compression

No amperage ( surface of condenser is

ambient temperature

No cooling DC cord 　Wiring and couplers No good Change couplers

fuse blow 　are connected

out (12V) Thermister is broken (∞Ω） Replace the

thermister

Yes Resistance of Disconnect the coupler and check

the thermister 2-10kΩ ( good ), ∞Ω ( bad )

Compressor coil is

open circuit.

In case open-circuit: ∞Ω

Input voltage and Replace cooling unit

resistance at the AC 14～18V Compressor is locked, or

terminal of coil short-circuit

compressor. In case locked: 1.23Ω ※1

AC 14〜18V (normal) Lower than approx. 14V In case short-circuit: 0Ω

1.23Ω( normal ) ※1

Input voltage,12〜30V

Ambient temp. 25℃ 　 AC 0V Power Supply is broken Replace

Power Supply

Check +, - Input connection: No Go to A

at input cord +, - is reversed. Check the fridge

from battery.

Yes Check the vehicle.

Bat. Voltage, wiring,

fuse, etc.

※1 This data come from Laboratory standard measurement.

6-1

6-2

6-3

6-2

5-2 TYPICAL TROUBLE

Source Measuring Result Operations

Compressor coil is open circuit Compressor coil resistance is ∞Ω Replace the cooling unit

No cooling ( Normal: 1.23Ω ※1 )

Power Supply brake down Power Supply output voltage is AC 0V Replace the Power Supply

Control Compressor does not ( Normal: AC14〜18V )

indicating lamp operate. Wire thermistor is open circuit Thermistor resistance is ∞Ω Replace the thermistor

is lighting ( Normal: 2kΩ〜10kΩ )

* Cooling Unit gas leak Replace the cooling unit

* Fan motor brake down Replace the fan motor

Cooling performance is * Input voltage is lower than DC 10V Charge the battery

not enough. * Ambient temperature is higher than 30℃

* Ventilation for compressor and condenser is not At least make clearance

enough 100 mm between fridge and wall

* To be stored too much in the fridge Make good circulation of cold air

* The special fuse of the DC cord blow out Replace the fuse

Control indicating lamp is not light * Fuse of the vehicle blow out Replace the fuse

* DC power line of the vehicle is not good Check the vehicle

5-3 TECHNICAL DATA

※1 This data come from Laboratory standard measurement.

Measuring Points Normal data

Compressor input voltage At the terminals of the compressor Approx.　AC 14V 〜 18V

Power Supply output voltage At the output cords from the Power Supply Approx.　AC 13V 〜 18V

( Unfasten the output cords to the compressor)

Compressor coil resistance Between compressor terminals Approx. 1.23Ω ※1

( Unfasten output cords from compressor)

Thermister resistance Between 2 pins of the thermistor connecter Approx. 2KΩ 〜 10KΩ

DC cord Fuse resistance Both side of Fuse Normal: 0Ω

Checking items

Condition

6. CHECKING POINTS ＆ MEASURING

6-1 Compressor input voltage (Fig. 1)

・Measure at 2 poles coupler of Power Supply

　or at the input terminals of the compressor.

(Keep to connect the compressor when you measure it.)

Readings Judgment

Approx. AC14〜18V Normal

AC 0 V Power Supply is broken

6-2 Compressor coil resistance (Fig.2)

Unfasten 2 poles coupler to the compressor and measure.

Readings Judgment

Approx. 1.23 Ω　※1 Normal

∞Ω Broken (open circuit)

0Ω Broken (short circuit)

※1 This data come from Laboratory standard measurement.

6-3 Thermistor resistance （Fig.3)

Unfasten the 3 poles coupler at the Power Supply and meature

Readings Judgment

Approx. 2 kΩ〜10 kΩ Normal

∞Ω Broken (open circuit)

0Ω Broken (short circuit)

Note ) Compressor runs continuously when you make to short circuit at this coupler.

Approx. AC14V or lower

and interval moving Compressor is locked

7. WORKING ORDER FOR REPLACEMENT

7-1 Cooling Unit

1. Remove Motor Cover (Fig.1)

Remove 4 screws which hold Motor Cover.

2. Remove 3 screws at Evaporator (Fig.2)

Take out the basket first,

3. Take out Cover Pipe (Fig.3)

① Take off the cover.

② Remove 4 screws.

③ Pull out cover pipe.

④ Detach the rubber holders.

4. Remove 2 screws at the hanger of

the compressor. ( Fig. 4-① )

5. Remove 2 screws at condenser. (Fig.4ー②)

6. Remove the earth screw. (Fig.4-③)

7. Take out Cooling Unit. (Fig.5)

① Take out Cooling Unit from the cabinet.

② Remove the screw which holds thermistor.

8. Take off the input cord from the compressor. (Fig.6)

① Take off the live side.

② Take off the earth side.

7-2 Power Supply

1. Remove the screws at Power Supply. (Fig.7)

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