Supply voltage
230 V AC or 115 V AC
DO1
AKV valve
Connection of expansion valve type AKV, AKVA, AKVH or AKVP.
The coil must be a
230 V or 115 V AC coil
.
Compressor
Connection of a relay. The coil must be a
230 V or 115 V AC
coil
.
Max. 0.5 A.
Solenoid valve
The coil must be a
230 V or 115 V AC coil
.
Max. 0.5 A.
DO2
Alarm
There is a connection between terminal 10 and 12 in alarm
situations and when the controller is without power.
Light, Rail heat, Compressor/Suction line valve
There is connection between terminal 10 and 11 (10 and 12 at
light) when the function is on.
DO3
Fan
There is connection between terminal 13 and 14 when the fan
is on.
DO4
Defrost
There is connection between terminal 15 and 16 when
defrosting takes place.
DO2-DO4 + AO1 and Application 4 / 9
Here, the different outputs can be custom defined in q02-q09
Display (RJ12 plug)
If readings/operation of the controller is required, an external
display can be connected.
The max. cable length is 100 m.
Electric noise
Cables for sensors, low voltage DI inputs and data communication
must
be kept separate from other electric cables:
- Use separate cable trays
- Keep a distance between cables of at least 10 cm
- Long cables at the low voltage DI input should be avoided
Installation considerations
Accidental damage, poor installation, or site conditions, can give
rise to malfunctions of the control system, and ultimately lead to a
plant breakdown.
Every possible safeguard is incorporated into our products to
prevent this. However, a wrong installation could still present
problems. Electronic controls are no substitute for normal, good
engineering practice.
Danfoss will not be responsible for any goods, or plant
components, damaged as a result of the above defects. It is the
installer's responsibility to check the installation thoroughly, and
to fit the necessary safety devices.
Special reference is made to the necessity of signals to the
controller when the compressor is stopped and to the need of
liquid receivers before the compressors.
Your local Danfoss agent will be pleased to assist with further
advice, etc.
© Danfoss | DCS (vt) | 2019.10
AN300028324304en-000401 | 7
