EVCO S.p.A.
EV3 MVC & EVD MVC | Application manual ver. 1.0 | Code 144EV3MVI104
page 43 of 72
TK/OC configuration
I67 - I69 parameter value Description
0 Disabled (or DO)
1 Heaters
In model EVD the TK1 triac output has been replaced with an open collector output.
8.4 Digital outputs
The parameters between I47 and I62 configure the function associated with the digital outputs.
Both analogue and triac outputs can be configured as digital outputs if disabled as analogue outputs as previously explained
(parameters I63-I69).
DO configuration
As with the digital inputs, the parameters configuring the function assigned to each digital output consist of an absolute value indicating
the function and by a sign showing its polarity.
Negative = Normally closed (NC)
Positive = Normally open (NO)
The value 0 indicates that no function is associated with the digital output.
Absolute value parameters
I47 - I61
Description
0 Disabled
1 Supply fan
2 Return fan
3 Compressor
4 Reversing valve
5 Recovery heat exchanger/bypass damper
6 External air damper
7 Open water valve
8 Close water valve
9 Step 1 heater
10 Step 2 heater
11 Humidifier
12 Alarm
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