Follett EREF4-00000 Installation, Operation And Service Manual - Page 11
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The Power Supply and/or the Battery Replacement ––––––––––––––––––––
Important cautions
• When power cord is connected to mains, high voltage is still present on the refrigerator's electrical
components; regardless the panel switch is in the OFF position!
• Always disconnect power before servicing refrigerator.
• Servicing is allowed only by qualified personnel.
1. Shut down unit by moving rocker switch on the lower front panel to the
OFF position and removing power cord from receptacle.
2. Remove 6 screws from front panel and slide panel forward to access the battery
(Fig.12.1) and the power supply unit (Fig.12.4).
3. Disconnect front panel wiring harness at two 9-pin connectors.
4. Disconnect wires from the battery observing wires dependence to
battery polarity (battery "+" = red wire).
5. Remove two bolts (Fig.12.3) securing battery bracket (Fig. 12.2) to refrigerator
base (if needed, remove seven screws from the EREF rear lower panel for better
access to the bolt at the back of power supply unit) and take out the power
supply unit.
6. Disconnect the wire from the battery.
7. Remove the bracket with the power supply.
8. Replace the battery and prepare the power supply for replacement.
9. Remove bolts that secure the power supply.
10. Replace power supply.
11. Secure the bracket to the power supply unit by two bolts.
12. Secure battery bracket with the power supply to the EREF base.
13. Reconnect the power supply in accordance to the wiring diagram from page
13.
14. Reconnect wires to the battery observing wires dependence to battery polarity
(battery "+" = red wire).
15. Reconnect front panel wiring harness at two 9-pin connectors.
16. Keeping wiring clear of condenser, replace front panel (and rear panel if it was removed).
17. Restore power and test operation.
The Data Logger Replacement
1. Shut down unit by moving rocker switch on the lower front panel to the OFF position and removing power
cord from receptacle.
2. Remove six screws from front panel and slide panel forward to access back of data logger.
3. Use flat screwdriver to carefully remove data logger ambit bracket from recorder side hooks and slide the
ambit bracket back and off the recorder placing it on the wires.
4. Disconnect front panel wiring harness at the 9-pin data recorder connector.
5. Carefully push the data logger and wires out through front of front panel.
6. Disconnect wires from the data logger.
7. Replace the data logger and connect the wiring diagram in accordance the wiring diagram located on the
internal surface of the front panel.
Note: Before starting to put the wiring through the bracket, make sure that the bracket is placed close to the back
of the rear panel next to the data logger opening. Place the bracket so that the two pivots are pointing to
the rear wall of the removed panel.
8. After the wires are connected, insert replacement data logger back through front of panel and slide bracket onto
data logger and lock it on recorder side hooks. The bracket pivots should press on the back of EREF front
panel.
9. Slide bracket onto data logger and lock it on logger side hooks. The bracket pivots should press the back of
EREF front panel.
10. Reconnect 49-pin connector of wiring harness.
11. Keeping wiring clear of condenser, replace front panel.
12. Restore power and test operation.
Fig. 12
1
3
EREF Refrigerator
4
2
11