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Thermo Scientific Revco
9 Revco Value
PLUS
OFF
POWER ON
ALARM ON
1
Figure 2. Revco Value
Optional Backup System
9.1 Revco Value
PLUS
Before the initial start up, take some time to become familiar
with the controls on your Revco Value
1. Three position keyed Power On Switch.
2. Power On Indicator. This green LED lights when power is
connected to the freezer and the key switch is in the ON
position.
3. Alarm On Indicator. This indicator lights when the alarm is
activated.
4. Power Failure Indicator. This indicator lights when there is a
power failure to the freezer.
5. Control Setpoint. Press this pad to set the cabinet
temperature.
6. Cabinet Temperature Indicator. Displays cabinet temperature
in operating mode, parameters and values when in program
mode (refer to Section 8.7 on page 7).
7. Digital Temperature Display Window. This window displays
chamber temperature, alarm values, etc. depending on the
operating status of the freezer and the procedure being
performed.
8. Decrement Pad (
). Use this pad to decrease temperature
values.
9. Increment Pad (
). Use this pad to increase temperature
values.
The following indicators are available only when the freezer is
equipped with the optional backup system (refer to Section 10.5
on page 10).
10. Backup System Supply On Indicator.
11. Backup System Empty Indicator
12. Backup System Battery Low Indicator.
Upright Freezers
PLUS
Models – Operation
2
5
6
POWER FAILURE
3
4
Control Panel with
PLUS
Control Panel
freezer.
PLUS
7
10
11
SUPPLY
ON
CABINET
TEMPERATURE
CONTROL
SET POINT
9.2 Turning the Power On
To start up your freezer, complete the following steps:
1. Plug the freezer into the power outlet.
2. Turn the power switch in back of the freezer, on the bottom
right, to the ON position.
3. If you do not have the CO
remove the panel near the lower left corner of the front of the
freezer and turn on the Battery Enable switch. Replace the
panel.
If you do have the CO
until the freezer has pulled down to operating setpoint before
turning on the Battery Enable switch. Refer to Section 10 on
page 9 for backup system installation and operation
instructions.
4. Turn the key switch to the POWER ON position. The Power
On LED and the Cabinet Temperature LED illuminate.
The alarm function is not active at this time. Refer to
Note:
Section 9.5 for information about setting the alarms.
The Low Battery indicator may flash during startup, indicating
that the battery is recharging.
9.3 Error Messages
If at any time during startup and operation, an error message
appears in the main display, be sure to call Technical Service
immediately. Error messages are of the form "ErXX".
ErX1 indicates incorrect voltage or frequency, and ErX2 and
ErX3 indicate sensor failure.
Installation and Operation
BACKUP SYSTEM
BATTERY
SUPPLY
EMPTY
LOW
8
9
/LN
backup option installed,
2
2
/LN
backup option installed, wait
2
2
12
8
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