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Manual RS8DZ702 © Danfoss 03-2012 EKC 202 / 302
Connections
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.
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 202A
EKC 302A
EKC 202B
EKC 302B
EKC 202C
or
or
or