1592023140 XM678D GB r2.8 01.09.2017.docx
XM678D
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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
XM678D
ECP-024
Terminal 61 (+)
Te
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).
Energy Saving
Press for 3 sec 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.
