Fri-Jado Cold MCC, Service Manual

Page: 46 / 147

Page 46 Rev 3 Service Manual MCC Hot / Cold 2021
7.0
Operation MCC Cold
7.0 Cold Units
The display value is not
the product temperature!
When switched on, the display performs a lamp test; the
display and LED’s will flash for several seconds to check
all function are working correctly.
7.0.1 Control Panel
Temperature controller
1 Display
2 Up and Down keys
3 Escape/Stand-by key
4 Enter key
EWPlus 961/971/974 EO LVD
Versatile high-performance controllers thanks to the new
Energy Saving algorithms for plug-in refrigerated cabinets.
EN
USER INTERFACE
EW
PLUS
EO LVD
Reduced SET / Economy LED
Permanently on: Energy Saving active
Flashing: Reduced SET active
Quick flashing: access to level2 parameters
Off: otherwise
Fans LED
Permanently on: fans active
Off: otherwise
Compressor LED
Permanently on: compressor active
Flashing: a delay, a protection or a
locked start-up
Off: otherwise
Defrost LED
Permanently on: defrost active
Flashing: manual or D.I. activation
Off: otherwise
Alarm LED
Permanently on: alarm active
Flashing: alarm acknowledged
Off: otherwise
Aux LED
Permanently on: Aux output active
Flashing: Deep Cooling cycle active
Off: Aux output not active
°C LED
Permanently on: °C setting (dro = 0)
Off: otherwise
°F LED
Permanently on: °F setting (dro = 1)
Off: otherwise
NOTE
When switched on, the device performs a Lamp Test; the
display and LEDs will flash for several seconds to check that
they all function correctly.
KEYs
set
UP
Press and release
•
Scroll menu items
•
Increases values
Press for at least 5 sec
•
Activates the Manual Defrost function
DOWN
Press and release
•
Scroll menu items
•
Decrease values
Press for at least 5 sec
•
Function can be configured by the user
(see parameter H32)
STAND-BY (ESC)
Press and release
•
Returns to the previous menu level
•
Confirms parameter value
Press for at least 5 sec
•
Activates the Standby function (OFF)
(when outside the menus)
SET (ENTER)
Press and release
•
Displays alarms (if active)
•
Opens Machine Status menu
Press for at least 5 sec
•
Opens Programming menu
•
Confirm commands
MOUNTING - DIMENSIONS
The device is designed for panel mounting. Drill a 29x71 mm hole and insert the instrument; secure it with the special brackets
provided. Do not install the instrument in damp and/or dirty places; in fact, it is suitable for use in places with ordinary or normal levels
of pollution. Keep the area around the instrument cooling slots adequately ventilated.
74mm
32m
m
29m
m
71mm
70mm
67m
m