Emerson XM678D - How to Program the Parameters (Pr1 and Pr2); User Interface; Fast Access Menu

1592023140 XM678D GB r2.8 01.09.2017.docx XM678D 4/15
7.2 EMERSON ECP-024 CONNECTION
The Emerson ECP-024 rechargeable accumulator can be connected to the XM678D
to close the stepper valve in case of power interruption.
Wiring connection
XM678
D
ECP
-
024
Terminal 61 (+) Terminal +
Terminal 62 (-) Terminal -
About conditions of use and limitation please refer to the ECP-024 manuals.
8. USER INTERFACE
8.1 DIRECT COMMAND INTERFACE
8.2 ICONS
Cooling output
↓
With icon ON the output
is active, while with
blinking icon there is a
delay.
MEASUREMENT UNIT
°C, Bar and (time)
are ON depending on
the selection.
Light →
← Fan
Defrost →
AUX
← Auxiliary relay
Energy saving
→
← Multimaster
Enabled
Generic alarm
→
← Clock / time
DURING PROGRAMMING
: blink the measurement units of temperature and
pressure
8.3 KEYBOARD COMMANDS
Single commands:
LIGHT relay
Press light button.
AUX relay
Press down arrow.
Manual defrost
Press and hold for 3 sec the defrost button
ON/OFF
Press for 3
sec
the
ON/OFF
button (if the function is
enabled).
E
nergy
S
aving
Press for 3
s
ec
the
ON/OFF
button (if the function is
enabled).
Double commands:
Press and hold for about 3 sec to lock (Pon) or unlock (PoF) the
keyboard.
Pressed together to exit from programming mode or from menu; on
submenus rtC and EEV this combination allow to come back to
previous level.
Pressed together for 3 sec allow to access to first level of
programming mode.
8.4 HOW TO MODIFY THE SET POINT FOR AIR TEMPERATURE
REGULATION
The thermostat set point is the value that will be used to regulate the air temperature.
The regulation output is controlled by the electronic valve or by the relay.
BEGIN
Press SET button for 3 sec, the measurement units
will blink together.
Value
modification
or
With the arrows it’s possible to change the value
within the LS and US parameters value.
EXIT
By pressing SET it is possible to confirm the value
that will blink for about 2 sec.
In any case, it is possible to wait for about 10 sec to exit. In order to show the air
temperature set is sufficient to press and release the SET button, the value is displayed
for about 60 sec.
9. HOW TO PROGRAM THE PARAMETERS (PR1 AND
PR2)
The device provide 2 programming levels: Pr1 with direct access and Pr2 protected
with a password (intended for experts).
ACCESS
to Pr1
Press and hold for about 3 sec to have access to
the first programming level (Pr1).
Select
item
or
Select the parameter or submenu using the
arrows.
Show
value
Press SET button.
Modify
or
Use the arrows to modify the value.
Confirm
and store
Press SET key: the value will blink for 3 sec, and
then the display will show the next parameter.
EXIT
Instantaneous exit from the programming mode,
otherwise wait for about 10 sec (without press any
button).
9.1 HOW TO HAVE ACCESS TO “PR2”
To enter Pr2 programming menu:
1. Access to a Pr1 menu by pressing both SET+DOWN keys for 3 sec, the first
parameter label will be showed;
2. Press DOWN key till the Pr2 label will be showed, then press SET;
3. The blinking PAS label will be showed, wait some seconds;
4. Will be showed “0 - -” with blinking 0: insert the password [321] using the keys
UP and DOWN and confirming with SET key.
GENERAL STRUCTURE: The first two item rtC and EEV are related to submenus
with others parameters.
 SET+UP keys on rtC or EEV submenus allow coming back to parameter list,
 SET+UP keys on parameter list allow immediate exit.
9.2 HOW TO MOVE PARAMETER FROM PR1 TO PR2 AND VICE
VERSA
Enter on Pr2; select the parameter; press together [SET + DOWN]; a left side LED ON
gives to the parameter the presence on Pr1 level, a left side LED OFF means that the
parameter is not present on Pr1 (only Pr2).
10. FAST ACCESS MENU
This menu contains the list of probes and some values that are automatically evacuate
by the board such as the superheat and the percentage of valve opening. The values:
nP or noP stands for probe not present or value not evacuate, Err value out of range,
probe damaged not connected or incorrectly configured.
Entering
fast
access
menu
By press and release the
UP
arrow
.
The
duration
of the menu in case of inactivity is about 3 min.
The values that will be showed depend on the
configuration of the board.