Fetco MBS-1221 - E CALIBRATION

Go to fetco.com for the latest versions of all information Page 9 User Guide & Operator instructions MBS-1221 P202Re0August 2021
E CALIBRATION
Brewer Sensors and Keypad
POSITION Program Items Factory set Default Programming Range Increments Notes
E1 Ready Temp. Offset
-3°F
-2°C
-2° to -10°F
-1° to -5° C
1°F
1°C
Compensates output to
measured temperature
E2 LLC Sensitivity
NORMAL
(“NORMAL” for
most water)
HIGH
(Biased for reverse
osmosis water or
very pure water)
NORMAL
HIGH
Liquid level control
sensitivity.
High,1300Ω is for reverse
osmosis water or very
pure water.
E3
Slow flow rate
from supply
OFF OFF/ON
Toggle +/-
YES or NO
Trims fill system for low
supply or Flojet use
E5 Brew valve flow rate: 1.60L/54oz/0.42G
1.30-1.90Liter
0.34-0.52G
0.05L
0.013G
Adjusts flow rate
E9 Dilute valve flow 2.55L/0.67G
1.75-3.30Liter
0.46-0.86G
0.05L
0.013G
Adjusts flow rate
Use this formula to compensate for minor discrepancies in actual volume versus programmed volume.
See “PROGRAM” E5 For valve settings and calibration. Factory set brew valve flow rates are in liter/min
Default Brew Valve Flow Rate—MBS-1221 Brewers
MBS-1220
Oz/L/G/minute
Range
ACTUAL VOLUME
X
CURRENT
SETTING
=
NEW
SETTING
Brew Valve FR
54/160/0.42
45oz-64oz
Dilute Valve FR
86oz/2.55L/0.67G
38oz-112oz
PROGRAMMED
VOLUME
Set FR lower to increase volume, set higher to decrease volume.
Use the formula above to determine the correct setting