Eliwell EWPlus 974 User Manual

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
Aux LED
Permanently on: Aux output active
Flashing: Deep Cooling cycle active
Off: Aux output not active
Defrost LED
Permanently on: defrost active
Flashing: manual or D.I. activation
Off: otherwise
HEAT mode LED
Permanently on: compressor in HEAT mode
Off: otherwise
(only EWPlus 961)
°C LED
Permanently on: °C setting (dro = 0)
Off: otherwise
NOTE:
If the instrument is set in the COOL mode, in order to use
it in the HEAT mode it is necessary to reprogramme the
instrument by using the properly programmed Copycard.
The same procedure should be followed to pass from the
HEAT mode to the COOL mode.
°F LED
Permanently on: °F setting (dro = 1)
Off: otherwise
Alarm LED
Permanently on: alarm active
Flashing: alarm acknowledged
Off: otherwise
NOT USED
(only EWPlus 961)
EWPlus 961/971/974
Electronic controllers for refrigeration units
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.
USER INTERFACE
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
• Attiva la funzione Stand-by (OFF)
(quando non sono all’interno dei menu)
SET (ENTER)
Press and release
• Displays alarms (if active)
• Opens Machine Status menu
Press for at least 5 sec
• Opens Programming menu
• Confirm commands
KEYs
EN
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.
74 mm
32 mm
29 mm
71 mm
70 mm
59 mm

Eliwell EWPlus 974 Specifications

General

Brand	Eliwell
Model	EWPlus 974
Category	Controller
Language	English