Viking DFUW244CL, Service Manual

Page: 62 / 87

57
10.3 Quick Reference Sheet
TruProtect
™
“Basic” Function “
Quick
” R
eference
Function / Feature
Description
Control Confirmation / Comment
Turn Unit On & Off
Pressing and holding the “
ON/OFF
” key for five seconds will turn the unit “
ON”
and “
OFF
”.
The display will be blank when the refrigeration system is off
. Lights will still
function, but will time
-out in 15 minutes after each activation if door is left open
or display lighting is on, to prevent overheating
.
Adjust T
emperature Set P
oint
To adjust the temperature set
-point, press the “SET” key
. When a compartment is
in “SET” mode, a “SET” icon will be displayed. P
ressing either the “
W
ARMER
” or
“COLDER
” keys located on the display pad will raise or lower the set temperature
by one (1) °F or °C (depending on your setting).
“SET” mode will automatically time
-out in ten (10) seconds and default back to
actual content temperature if no keypad activity occurs, or you may exit “SET” mode by pressing the “SET” key until “SET” icon disappears.
Display “
Actual” T
emperature
No action required. The display represents “
real-time” temperature of each com
-
partment
’s stored wine and/or contents, unlike some competitive product displays
that only show or lock
-in on set
-point. Therefore, some minor temperature fluctua
-
tion around your desired set
-point is normal.
Temperature variation in “compartment
” air
, above and below set
-point, is a
normal effect of refrigeration system cycling on and off
. Stored items will not
experience the full temperature swing of the compartment air due to the damp
-
ening effect of their thermal mass.
Select °F or °C Display
Pressing the “°F/C
” key will toggle the display between F
ahrenheit and Centigrade
temperature display
.
Temperature variation in “compartment air
” above and below set point is a
normal effect of the refrigeration system cycling on and off
.
Black
-Out Mode
No action required. The display automatically shuts off when the door is closed.
In addition, the control panel is hidden when the door is closed.
Display Lighting
The display lighting can be enabled with the door closed by pressing the “LIGHT” key
.
Display lighting stays on continuously
.
Sabbath Mode
Press and hold the “SET” key while pressing the “°F/C
” key four (4) times in seven
(7) seconds.
The display will flash “SA
” seven (7) times then the unit will enter Sabbath Mode.
The display
, audible alarms, message center and lights will be disabled. Sab
-
bath Mode will automatically time
-out in 72 hours, or can be exited by repeating
the enabling process.
Sentry System
™
No action required. System monitoring is automatically enabled unless system has been shut off (see below).
TruP
rotect
™ message center displays a green “
ON” when
TruP
rotect
™ is en
-
abled and an amber “
OFF
” when
TruP
rotect
™ is disabled.
Door Ajar Alarm
No action required if
TruP
rotect
™ is enabled.
An audible alarm will sound 3-times every 30 seconds and the message center will display an amber “DOOR AJAR
”.
High/L
ow T
emp Alarm
No action required if
TruP
rotect
™ is enabled. NO
TE
: This alarm may occur when
changing set
-points in excess of 10 °F
, and/or high usage, this is normal.
An audible alarm will sound 6-times every minute and the message center will display a red “HI/L
OW TEMP UPPER
” or a red “HI/L
OW TEMP L
OWER
” if prod
-
uct temperature excursions occur for a duration outside acceptable limits.
Power F
ailure Alarm
No action required if
TruP
rotect
™ is enabled. NO
TE
: This alarm may occur upon
initial
installation
since
the
unit
was
run
at
the
factory
to
verify
quality
, this
is
normal.
The message center will display an amber “POWER F
AIL
URE” whenever power is
interrupted to the unit. There is no audible alarm with a power failure.
Reset Alarms
Close door to reset “DOOR AJAR
” Alarm. P
ress the “
ON/OFF
” key to reset all
other alarms.
Although pressing the “
ON/OFF
” key resets the alarms, the alarm will resume if
the “alarm condition
” still exists.
Enable/Disable
TruP
rotect
™
Press and hold the “SET” key for five (5) seconds to enable or disable the
TruP
ro
-
tect
™.
The message center displays a green “
ON” when the alarms are enabled. The
message center displays an amber “
OFF
” when the alarms are disabled.
2010 - Viking Preferred Service SMR-0005