Connections - Danfoss EKC 202B Manual

Connections

EKC 202A
or
EKC 302A
or
Power supply
230 V a.c.
Sensors
Sair is thermostat sensors.
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.
16
EKC 202B
EKC 302B
Manual RS8DZ702 © Danfoss 03-2012
EKC 202C
or
Digital On/Off signal
A cut-in input will activate a function. The possible functions are
described in menu o02.
Relays
The general connections are:
Refrigeration. The contact will cut in when the controller demands
refrigeration
Defrost.
Fan.
Alarm. The relay is cut out during normal operation and cuts
in in alarm situations and when the controller is dead
(de-energised)
Light. The contact will cut in when the controller
demands light.
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 202 / 302