Switching On The Optyma; Tm Control Single-Phase; Compressor Activation/Deactivation Conditions; Manual Defrosting - Danfoss OPTYMA Control AK-RC 101 Operation And Maintenance Manual

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Variables Explanation
Fd Fan differential below Fst
LSE Min. limit of set point setting
HSE Max. limit of set point setting
tA NO – NC alarm relay switching
AU Auxiliary/alarm relay control
StA Temp. setting for aux. relay
In1 Man in cold room alarm
Select input INP1 on the board as compressor
protection alarm or as man-in-room alarm
(contact NC).
P1 Password type of protection
( active when PA does not equal 0)
PA Password
(see P1 for the type of protection)
reL Software release

Switching on the OPTYMA

After wiring the electronic controller correctly,
connect 230 V a.c.; the display panel will

Compressor activation/deactivation conditions

The OPTYMA Control single-phase activates the
TM
compressor when cold room temperature exceeds

Manual defrosting

To defrost just press the dedicated key (see page 8)
to activate the elements relay. Defrosting will not
take place if the end-of-defrost temperature setting
(d2) is lower than the temperature detected by the
12
Control single-phase
TM
RS8FD402 © Danfoss A/S 2014/11
Value
0...+10K
-45...HSE
45... LSE
0 = activates when alarm is on
1 = deactivates when alarm is on
0 = alarm relay
1 = manual auxiliary relay
controlled via AUX key
2 = automatic auxiliary relay
managed by StA temp. setting
with 2°C differential
3 = not used
4 = pump-down function (see 5.15)
5 = free voltage contact for
condensing unit (AUX relay and
compressor relay in parallel)
6 = Relay used to control a heating
element in the crankcase.
The relay is on when the
compressor is stopped.
7 = The relay function is cancelled
and data communication is
permitted
-45...+45°C
0 = compressor protection
1 = man-in-room alarm
0 = display set point only
1 = display set point, AUX, light
access
2 = access to programming not
permitted
3 = access to second level
programming not permitted
0...999
0 = not active
The version can be read
immediately emit a beep and all the LEDs will come
on simultaneously for a few seconds.
setting+differential (r0); it deactivates the
compressor when the cold room temperature is
lower than the setting.
evaporator sensor. Defrosting ends when the end-
of-defrost temperature (d2) or maximum defrost
time (d3) is reached.
When using data communication, the defrost cycle
can be started from the system unit.
OPTYMA
Default
2K
-45°C
45°C
1
0
0
0
3
0
-
Control single-phase AK-RC 101
TM