Royal Vendors Merlin IV Service And Parts Manual page 34

Section 3. Vender Programming
67100-8 AND BEFORE:
Note: The "FriG" Mode is only applicable in venders
using Electronic Refrigeration Mode. However, if the
"FriG" setting is set to "1", without the use of electronic
control, the display will show unnecessary "FriG" errors.
OPERATION: If <enter> is pressed when the display
shows "FriG", the controller will enter the Refrigeration
Mode, and the display will show "Cuti." Pressing
<up> or <down> allows you to cycle through all the
"FriG" functions. When completely fi nished with all
programming in the "FriG" Mode, pressing <exit>
while the display is showing any of the earlier listed
"FriG" functions will return you to the "FriG" display.
From "FriG," pressing <down> will take you to "tinE."
Pressing <up> will take you to "PAS."
• Cut-in function ("Cuti"): If <enter> is pressed when
the display shows "Cuti," the controller will enter the
cut-in setting function and the display will show the
current cut-in temperature setting (factory setting:
41°F). Pressing <up> or <down> allows you to
change the cut-in setting. The setting can be adjusted
from 39°F to 45°F (4°C to 7°C). Pressing <exit> at
any time during this process will save any change
and return you to the beginning of the cut-in function
where the display shows "Cuti." From "Cuti,"
pressing <down> will take you to "rELY." Pressing
<up> will take you to "Cuto."
• Cut-out function ("Cuto"): If <enter> is pressed
when the display shows "Cuto," the controller will
enter the cut-out setting function. The display will
show the current cut-out temperature setting (factory
setting: 29°F). Pressing <up> or <down> will allow
you to change the cut-out setting. The setting can be
adjusted from 24°F to 34°F (-4°C to 1°C). Pressing
<exit> at any time during this process will save any
change and return you to the beginning of the cut-out
function where the display shows "Cuto." From
"Cuto," pressing <down> will take you to "Cuti."
Pressing <up> will take you to "dEG."
• Degree system function ("dEG"): If <enter> is
pressed when the display shows "dEG," the controller
will enter the degree system function. The display
will show "dEG" and fl ash the current degree system
setting. Pressing <up> or <down> will allow you
to change the current setting. Program to "F" for
Fahrenheit (factory setting) or "C" for Celsius.
Pressing <exit> at any time during this process will
save any change and return you to the beginning of
the degree system function where the display shows
34
"dEG." From "dEG," pressing <down> will take you
to "Cuto." Pressing <up> will take you to "dSP."
• Display temperature function ("dSP"): If <enter> is
pressed when the display shows "dSP," the controller
will enter the display temperature function. The
display will show "dSP" and fl ash the current setting.
Pressing <up> or <down> allows you to change
the current setting. Program to "1" to show the
temperature on the LED display during the sales
greeting or "0" to not show the temperature during
the greeting. Pressing <exit> at any time during this
process will save any change and return you to the
beginning of the display temperature function where
the display shows "dSP." From "dSP," pressing
<down> will take you to "dEG." Pressing <up> will
take you to "FrG."
• Refrigeration master control function ("FrG"): If
<enter> is pressed when the display shows "FrG,"
the controller will enter the refrigeration master
control function. The display will show "FrG" and
fl ash the current setting. Pressing <up> or <down>
allows you to change the current setting. Program
to "1" for the refrigeration unit to operate normally
or "0" to disable the unit. Pressing <exit> at any
time during this process will save any change and
return you to the beginning of the refrigeration master
control function where the display shows "FrG."
From "FrG," pressing <down> will take you to
"dSP." Pressing <up> will take you to "rELY."
• Relay test function ("rELY"): If <enter> is pressed
when the display shows "rELY," the controller will
enter the relay test function to allow you to test the
various vender relays. The display will show "Fan"
(which is the test mode for the optional evaporator
fan motor relay). Pressing <up> or <down> allows
you to cycle through each relay test mode available.
RELAY TEST
MODE MENU
Fan
Htr
LitE
CnPr
Merlin IV Service and Parts Manual
MEANING
Evaporator fan relay test
(requires optional kit)
Heater relay test (requires
optional kit)
Illumination relay test
(requires optional kit)
Compressor relay test