13
The buttons;
Figure 7. Display
Figure 6. Keypads
Display
BUT.
NO
FUNCTION
NORMAL OPERATION
START UP
ON
OFF
FLASH
1
COMPRESSOR
ON
OFF
CALL
ON
2
FAN
ON
OFF
CALL
ON
3
DEFROST
ON
OFF
CALL
ON
4
Auxiliary output (AUX)
Output active
Output not active
-
ON
5
Clock (RTC)
RTC available, enabled (tEN=1) and
at least one time band has been set
RTC not available or not enabled
(tEN=0) or no time band set
ON (if the clock
is fitted)
6
alarm
alarm in progress
no alarm in progress
on
7
digits
three digits with decimal point and range -199 to 999. See parameters /4, /5, /6 for the type of probe displayed, values
in °C/°F and decimal point
Keypads
BUT
NO.
NORMAL OPERATION
START UP
pressing the button alone
pressing with other buttons
1
more than 3 s: switch ON/OFF
pressed together with 3 activates / deactivates
the continuous cycle
2
- 1 s: displays/sets the set point
- more than 3 s: accesses the parameter
setting menu (enter password 22)
- mutes the audible alarm (buzzer)
for 1 s RESET
current EZY set
Pressed
together (2 and
3) activate
parameter
reset procedure
3
more than 3 s: activates / deactivates the
defrost
pressed together with 1 activates / deactivates
the continuous cycle
for 1 s displays
firmware version
Preliminary configurations
Once the electrical connections have been completed, simply power-up the controller to make it
operative.
Turbo air recommends to check that the display does not show any alarm signals (see par.
Table 7), and finally set the parameters as desired (see par. Table 5,6).
The main parameters are as follows:
Control parameters
Defrost parameters
Alarm parameters
st
set point
d0
type of defrost
Ad
temperature alarm delay
rd
set point differential
dI
interval between two defrosts
AL
low temperature alarm threshold/deviation
dt
end defrost temperature
AH
high temperature alarm threshold/deviation
dP
maximum defrost duration
Содержание SMART 7 STI022LR404A2
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