Optyma Plus
TM
User
Guide RS8GD602 © Danfoss 2015-10
15
continued
Code
Min.
Max.
Fac.
Actual
*) Can only be set when regulation is stopped (r12=0)
**) Can be controlled manually, but only when r12=-1
Select signal for display view. 1=Suction pressure in degrees, Ts. 2=Condensing pressure in
degrees, Ts
o17
1
2
1
Pressure transmitter working range Ps - min. value
o20
-1 bar
5 bar
-1
Pressure transmitter working range Ps- max. value
o21
6 bar
200 bar
12
Refrigerant setting:
2=R22. 3=R134a. 13=User defined. 17=R507. 19=R404A. 20=R407C. 21=R407A. 37=R407F
*
o30
0
37
0
Input signal on DI2. Function:
(0=not used, 1=External safety function. Regulate when closed, 2=external main switch,
3=Night operation when closed, 4=alarm function when closed, 5=alarm function when
open. 6=on/off Status for monitoring.
o37
0
6
0
Pressure transmitter working range Pc– min. value
o47
-1 bar
5 bar
0 bar
Pressure transmitter working range Pc – max. value
o48
6 bar
200 bar
32 bar
Setting of condensing unit type (is factory set when the controller is mounted and cannot be
subsequently changed)
*
o61
0
45
0
The sensor input S3 is to be used to measure the discharge gas temperature (1=yes)
o63
0
1
1
Replace the controllers factory settings with the present settings
o67
Off
On
Off
Defines the use of the Taux sensor: 0=not used; 1=measuring of oil temperature; 2=other
optional use
o69
0
2
0
Period time for heating element in crankcase (ON + OFF period)
P45
30 s
255 s
240 s
Difference for heating elements 100% ON point
P46
-20 K
-5 K
-10 K
Difference for heating elements 100% OFF point
P47
5 K
20 K
10 K
Read-out of operating time for condenser unit. (Value must be multiplied by 1,000). The value
can be adjusted.
P48
-
-
0 h
Read-out of compressor operating time. (Value must be multiplied by 1,000). The value can be
adjusted.
P49
-
-
0 h
Read-out of operating time of heating element in crankcase. (Value must be multiplied by
1,000). The value can be adjusted.
P50
-
-
0 h
Read-out of number of HP alarms. The value can be adjusted.
P51
-
-
0
Read-out of number of LP alarms. The value can be adjusted.
P52
-
-
0
Read-out of number of Td alarms. The value can be adjusted.
P53
-
-
0
Oil return management. Compressor speed for the counter starting point
P77
25 Hz
70 Hz
40 Hz
Oil return management. Limit value for counter
P78
5 min.
720 min. 20 min.
Oil return management. Boost-speed
P79
40 Hz
100 Hz
50 Hz
Oil return management. Boost-time.
P80
10 s
600 s
60 s
Service
Readout pressure on Pc
u01
bar
Readout temperature Taux
u03
°C
Status on DI1 input. 1=on=closed
u10
Status on night operation (on or off) 1=on=night operation
u13
Readout superheat
u21
K
Readout temperature at S6 sensor
u36
°C
Status on DI2 input. 1=on=closed
u37
Readout the compressor capacity in %
u52
%
Status on relay to compressor. 1=on=closed
** u58
Status on relay to fan. 1=on=closed
** u59
Status on relay to alarm. 1=on=closed
** u62
Status on relay "Aux". 1=on=closed
** u63
Status on relay to heating element in crank case. 1=on=closed
** u71
Status on high voltage input DI3. 1=on=230 V
u87
Readout condensing pressure in temperature
U22
°C
Readout pressure Ps
U23
bar
Readout suction pressure in temperature
U24
°C
Readout ambient temperature Tamb
U25
°C
Readout discharge temperature Td
U26
°C
Readout suction gas temperature Ts
U27
°C
Readout the voltage on the output AO1
U44
V
Readout the voltage on the output AO2
U56
V
Factory setting
If you need to return to the factory-set values, it can be done in this way:
- Cut out the supply voltage to the controller
- Keep upper and lower button depressed at the same time as you reconnect the supply voltage