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©
Danfoss A/S (RA Marketing/MWA), Nov. 08
RS8FE102, 080R9278
19
OPTYMA
TM
Control three-phase
Operation and Maintenance Guide
Level 2 - Programming (Installer Level)
To access the second programming level press the
UP (
) and DOWN (
) keys and the LIGHT key
simultaneously for a few seconds.
When the first programming variable appears the
system automatically goes to stand-by.
1. Select the variable to be modified by pressing the
UP (
) and DOWN (
) keys.
When the parameter has been selected it is
possible to:
• view the setting by pressing the SET key.
• modify the setting by holding the SET key
down and pressing the (
) or (
) key.
2. When the configuration settings have been
completed, exit the menu by pressing the
(
) and (
) keys simultaneously and keep
them pressed until the room temperature
reappears.
3. Changes are saved automatically when you exit
the configuration menu.
4. Press the STAND-BY key to enable electronic
control.
List of Level 2 variables (Installer Level)
Variables Explanation
Value
Default
AC
Door switch status
0 = normally open
1 = normally closed
0
F3
Fan status with compressor off
0 = fans run continuously
1 = fans only run when
compressor is working
1
F4
Fan pause during defrost
0 = fans run during defrost
1 = fans do not run during defrost
1
dE
Sensor presence
If the evaporator sensor is disabled defrosts are
carried out cyclically with period d0: defrosting
ends when an external device trips and closes the
remote defrost contact or when time d3 expires.
0 = evaporator sensor present
1 = no evaporator sensor
0
d1
Defrost type, cycle inversion (hot gas) or with
heater elements
1 = hot gas
0 = element
0
Ad
Not to be used
Ald
Minimum and maximum temperature
signalling and alarm display delay
1 - 240 min
120 min
C1
Minimum time between shutdown and
subsequent switching on of the compressor.
0 - 15 min
0 min
CAL
Correction of sensor signal
-10 - +10
0
Pc
Compressor protection contact status
0 = NO
1 = NC
0 = NO
doC
Compressor safety time for door switch: when
the door is opened, the evaporator fans shut down
and the compressor will continue working for time
doC, after which it will shut down.
0…5 minutes
0
Fst
Fan shutdown temperature
The fans will stop if the temperature value detected
by the evaporator sensor is higher than this value.
-45 - +45°C
+45°C
Fd
Fan differential below Fst
0 - +10K
2K
Содержание OPTYMA
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