Adjust Max Ref Duration; Adjust Fast Cool Duration; Adjust Door Open Alarm Delay; Adjust Compressor Dwell Time - Viking VCRB5301 Service Manual

Service Procedures

Adjust MAX REF duration

While in Mode B, press and release "MAX
REF" one time, this will result in "MAX REF"
illuminating on the display along
with the current numeric value in
hours that MAX REF is set at.
Factory default for this adjustment
is 4 hours. Range is 1 to 20 hours
in 1 hour increments.
The duration is adjusted using the
"HIGHER and LOWER" pads.

Adjust FAST COOL duration

While in Mode B, press and
release "FAST COOL" one time,
this will result in "FAST COOL"
illuminating on the display along
with the current numeric value in hours that
FAST COOL is set at. Factory
default for this adjustment is 2
hours. Range is 1 to 20 hours in 1
hour increments.
The duration is adjusted using the
"HIGHER and LOWER" pads.

Adjust Door Open Alarm delay

While in Mode B, press and release "ALARM
OFF" one time, this will result in "DOOR
28
OPEN" illuminating on the display
along with the current numeric
value in minutes that the delay
is set at. Factory default for this
adjustment is 3 minutes. Range
MAX
is 1 to 20 minutes in 1 minute
REF
increments.
The duration is adjusted using the
HIGHER
"HIGHER and LOWER" pads.
LOWER

Adjust Compressor Dwell Time

This adjustment is not a field adjustment and
should not be performed by technicians. This
is a factory only adjustment. If you see "Cdt"
in the display, immediately exit Mode B by
holding "ACTIVATE CONTROLS" for three
seconds until you get three audible beeps.
FAST
Return to your previous actions.
COOL
Adjust FAST COOL duration
While in Mode B, press and
release "FAST COOL" one time,
HIGHER
this will result in "FAST COOL"
illuminating on the display along
LOWER
with the current numeric value in
hours that FAST COOL is set at.
Factory default for this adjustment
is 2 hours. Range is 1 to 20 hours
in 1 hour increments.
The duration is adjusted using the "HIGHER
and LOWER" pads.
ALARM
OFF
HIGHER
LOWER
FAST
COOL
HIGHER
LOWER
©2012 Viking Preferred Service