EVCO S.p.A.
EVBOX1 | Installation guide ver. 2.0 | Code 144BOX1E204
page 12 of 100
The following table shows the meaning of the parts inside the devices
PART MEANING
3 tab fastening the front shell to the back shell
4 handle of the access door to the magneto-thermal switch or differential magneto-thermal circuit breaker
5 handle to remove the cover of the screws fastening the front shell to the back shell
15 if present, magneto-thermal switch or differential magneto-thermal circuit breaker
18 K3 digital output (evaporator fan)
19 K2 digital output (defrosting)
20 K1 digital output (compressor)
21 device power supply
22 if present, driver for unipolar stepper electronic expansion valves connected to a removable male only screw terminal board
23 if present, driver for unipolar stepper electronic expansion valves connected with male only JST connector
24 BUS RS-485 polarisation jumper
25 RS-485 MODBUS port
26 RS-485 MODBUS port termination resistor insertion jumper
27 digital inputs (micro port, multifunction 1 and multifunction 2)
28
analogue inputs 1 and 2 (room temperature and evaporator temperature) and analogue input 3 (can be set through a
configuration parameter to condenser temperature, critical temperature, evaporator 2 temperature or CPT temperature)
29 if present, analogue inputs 4 and 5 (evaporation temperature and vapour pressure)
30
in the EVB1204 and EVB1214 models, K4 digital output (can be set through a configuration parameter to room light,
demister heating elements, auxiliary, alarms, door resistors, neutral area operation resistors, condenser fan, compressor 2,
defrosting 2, evaporator fan 2, pump down valve, on/stand-by or man in cold room; manufacturer default is room light).
in the remaining models, K6 digital output (can be set through a configuration parameter to demister heating elements,
auxiliary, alarms, door resistors, neutral area operation resistors, condenser fan, compressor 2, defrosting 2, evaporator
fan 2, pump down valve, on/stand-by or man in cold room; manufacturer default is alarm).
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