Helmer Scientific i.Series
®
and Horizon Series
™
Freezer - Undercounter
Operation Manual
360376/C
15
6
Horizon Series™ Operation
6.1
Initial Power Up
1.
Plug the power cord into a grounded outlet that meets the electrical requirements on the product specification label.
2. Switch AC ON/OFF switch ON.
3. Remove the 9 V battery from the literature box and install it.
4. Press
Down Arrow
(Mute) if high temperature alarm sounds.
Notes
•
For models equipped with the optional Access Control, switch the back-up battery key switch ON.
•
During a power failure, the back-up battery continues to provide power to the optional Access Control lock (if equipped).
If the back-up battery is not functioning, the optional Access Control lock will not secure the door.
• If an alarm condition other than High Temperature occurs, refer to the service manual for troubleshooting.
Horizon Series™ temperature monitor and control interface.
6.2
Display Minimum and Maximum Monitor Temperature Recordings
Notes
• This feature is standard on Horizon Series™ models with serial numbers of 2015494 or higher. Some exceptions may
exist. For confirmation on your unit, please contact Helmer Technical Service.
• Units that do not include the minimum and maximum recording feature will not display .C or .F when entering the
program mode.
• This feature only applies to the primary monitor probe.
The minimum and maximum recording feature allows the user to view a minimum temperature occurrence and a maximum
temperature occurrence within a given period of time. The timer provides a time reference in which those temperatures occurred.
View minimum temperature recording.
1. Press and hold the
Down
Arrow button for 1 second and listen for a single beep.
2. The display will alternate between
LO
and a valid temperature value five (5) times followed by a single beep to indicate
exit back to the temperature display.
View maximum temperature recording.
1. Press and hold the
Up
Arrow button for 1 second and listen for a single beep.
2. The display will alternate between
HI
and a valid temperature value five (5) times followed by a single beep to indicate exit
back to the temperature display.
High and Low
T
emp Lamps
LED Display
SEL
Button
CONTROL
and
MONIT
OR Lamps
UP
and DOWN
Arrows
SET
Button
Horizon Series Operation
