Alarm And Error Messages; Repair; Controller Failure - Danfoss Optyma Plus New generation Installation

M
anual

Alarm and Error Messages

Repair

Controller failure

(if the controller fails, there is a
possibility to run the condensing
unit in "manual" mode. Proceed as
follows)
-K1
-F1
3,15A
1 3 5 33 43
34 44
-Q1 I > I > I >
2 4 6
-X1
PE
L N PE
power supply
Zuleitung
alimentation
220-240V1N~/50Hz
C I
ontroller nstallatIon
• In case of "malfunctions" 3 small LED symbols
will flash on the controller's screen. Acknowl-
edge with a short press on upper button. Here
some examples below ...
• Disconnect the condensing unit from power supply (turn hardware main switch off )
• Remove wire from controller terminal 22 (safety input DI3) and terminal 25 (room thermostat DI1) and
put them together
• Remove wire from controller terminal 24 (room thermostat DI1) and terminal 11 (compressor supply)
and put them together
• H1, H2, H3 : Remove wire 6* and connect it with terminal bridge for wire 11 and 24.
• H4 : Remove wire U2* from fan speed controller and connect it with wire 11 and 24.
• Remove wire from controller terminal 14 (crankcase heater) and connect it to compressor contactor K2
terminal 22
• Remove wire from controller terminal 12 (supply crankcase heater), extend this wire approximately
40cm and connect it to compressor contactor K2 terminal 21
• Pay attention: Remove the big terminal block from the controller or remove the complete controller
• Connect the condensing unit back to power supply (turn hardware main switch on)
• See wiring diagram below ...
room thermostat
T>
Raumthermostat
thermostat d'ambiance
1 3 5
-K2
2 4 6
10
11
14
-C1
12
13 13
M
-M1
1~
-C2
compressor
Verdichter
compresseur
* Option: A fan pressure switch or fan speed controller can be connected in series to wire n°6
FRCC.ES.010.A1.02
A17 Safety Input Alarm (DI3: High condensing
A96 Discharge Gas Temperature High
E20 Condensing Pressure Transmitter Error
E31 Ambient Temperature Sensor Error
E32 Discharge Temperature Sensor Error
E33 Suction Gas Temperature Sensor Error
E39 Evaporating Pressure Transmitter Error
-B1 -R1 -R2 -R3 -R4
P
U
1 2 3
1
-B5
P>
2
*Option
.
-X1
6
M
-M2
1~
-K2
-C3
. .
-X1
PE N1
fan motor
Lüftermotor
ventilateur résistance de carter
A2 Low Suction Pressure Alarm
/ low suction pressure)
-B2
P
U
1 2 3
21
-K2
22
.
-X1
22
-B3
P>
.
14
.
-X1
20
-B4
P<
.
-X1
15
A1
-R5
A2
. .
N2
PE
crankcase heater
Kurbelwannenheizung
7