Specifications
RK0YG302 © Danfoss 04/2007 47
EKC 102
Power supply
230 V a.c. or 115 V a.c. See controller.
Sensors
Sair is thermostat sensors.
Saux is an extra sensor for measuring e.g. the condenser tempe-
rature.
S5 is a defrost sensor and is used if defrost has to be stopped
based on temperature.
It may however also be used as product sensor or condenser
sensor.
Digital On/O signals
A cut-in input will activate a function. The possible functions are
described in menu o02.
EKC 102A
Relays
The general connections are:
Relay 1
Refrigeration. The contact will cut in when the controller
demands refrigeration
Relay 2
Alarm. The relay is cut out during normal operation and cuts
in in alarm situations and when the controller is dead
(de-energised)
Refrigeration 2. The contact will cut in when refrigeration step 2
has to be cut in
Defrost. The contact will cut in when defrost is in progress
Relay 3
Fan
The controller cannot be hooked up with a monitoring unit
type m2 or AK-SM
Electric noise
Cables for sensors, 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 DI input should be avoided
EKC 102B EKC 102C
or or
or
EKC 102D
(115 V)
(115 V)
(115 V)
(115 V)(115 V)(115 V)
(115 V)
Connections