Engel ST90F User Manual

NH3 L
MODEL INPUT
SB47F
DC12/24V
SR48F
SR90F
AC22OV-240V,DC1 2/24V
ST90F
ST68F
SR70F
CAUTIONS:
1.
Never store gasoline or other namable vapors and liquids
as these sometimes cause explosion.
2.
Do not touch evaporator and metal parts of cabinet inside
by wet hand. Sometimes, it cause frostbite to your hand.
3.
Do not remove or modify all the electrical live parts to
avoide electric shock and trouble of your refrigerator.
4.
If the supply cord is damaged, it must be replaced by
the manufactureror its service agent or a similarly gualified
person in order to avoid a hazard.
Suitable for camping use ;
The appliance shall not be exposed to rain.
ST9OF-G4
GL
MODEL 
JPT 006C
SERIAL NO.

SAWAFUJI ELECTRIC CO.,LTD.
(Cat. No. 5490 349 1000)
Printed in Japan

Engel ST90F Specifications

General

Brand	Engel
Model	ST90F
Category	Refrigerator
Refrigerant	R134a
Warranty	3 years
Temperature Range	-18°C to +10°C
Material	Steel
Insulation	Foam
Battery Protection	Yes
Capacity	90 liters
Power Source	12/24V DC & 110-240V AC
Voltage	12/24V DC, 110-240V AC

Summary

Instructions for Use

Current Sources

Details on connecting the refrigerator to AC mains or DC batteries, and automatic switching.

Connection to AC Mains

How to connect the refrigerator to a 220V-240V, 50Hz AC power source.

Connection to DC Batteries

Instructions for connecting to 12V or 24V DC batteries, emphasizing polarity and voltage.

Automatic Battery/Mains Switching

Explanation of how the refrigerator automatically switches between AC and DC power sources.

Safety Devices

Information on built-in safety features, particularly the polarity guard for DC battery operation.

Polarity Guard for DC Battery Operation

Details the polarity guard function for DC battery operation to prevent inverter damage.

Installation and Operation

Guidance on choosing a location, initial cleaning, and setting the thermostat for optimal operation.

Defrosting

Procedure for defrosting the refrigerator when frost builds up on the evaporator to maintain cooling efficiency.

Cleaning

Laying-up

Instructions for storing the refrigerator when it will be unused for an extended period.

Technical Advice for DC Operation

Provides technical guidance for DC operation, including connection methods, fuses, and cable specifications.

Application of Engine Generator

Advice on using an engine generator as a power source for the refrigerator safely.

Acoustic Noise Information

Information regarding the sound pressure level of the refrigerator according to ISO 7779.

How to Replace Door Panel

How to Replace Door Panel (SB47F/SR48F/SR70F)

Step-by-step instructions for replacing the decorative door panel on specific Engel refrigerator models.

How to Change Opening Direction

Procedure for changing the door opening direction of the refrigerator.

Venting

Model Dimensions and Ventilation

Table detailing ventilation opening sizes and external dimensions for various Engel models.

Venting Requirements

Guidelines for ensuring adequate airflow over the condenser for efficient refrigerator operation.