EVCO S.p.A.
EV3 HRV & EVD HRV | Application manual ver. 1.0a | Code 1443DHRVE104
page 4 of 74
8.1 Parameters .................................................................................................................................... 38
8.2 Configuring inputs .......................................................................................................................... 43
8.2.1 Configuring input functions .................................................................................................... 44
8.2.2 Universal input type configuration........................................................................................... 45
8.3 Analogue Output Configuration ......................................................................................................... 45
8.3.1 Configuring type AO .............................................................................................................. 45
8.3.2 Exclusions ........................................................................................................................... 46
8.3.3 Configuring AO function......................................................................................................... 46
8.4 Configuring triac and open collector outputs ....................................................................................... 46
8.5 Configuring digital outputs ............................................................................................................... 47
9 SERIAL PORTS ...................................................................................................................................... 48
10 FUNCTIONING OF THE CONTROLLER ....................................................................................................... 49
10.1 Regulation in the incremental neutral zone ........................................................................................ 49
10.2 Activating free heating/cooling ......................................................................................................... 49
10.2.1 Summer mode (free-cooling) ................................................................................................. 49
10.2.2 Winter mode (free-heating) ................................................................................................... 49
10.3 Regulating the ventilation ................................................................................................................ 50
10.3.1 External air damper .............................................................................................................. 50
10.4 Regulating the recovery heat exchanger ............................................................................................ 50
10.4.1 Defrosting cross-flow or rotary recovery heat exchanger ........................................................... 51
10.5 Regulating the mixing chamber damper ............................................................................................. 51
10.6 Temperature regulation ................................................................................................................... 52
10.6.1 Treatment coils .................................................................................................................... 52
10.6.2 Winter pre-heating (Hot Start) ............................................................................................... 53
10.6.3 Off-band mode activation ...................................................................................................... 53
10.7 Regulating the compressor ............................................................................................................... 53
10.7.1 Defrosting the refrigeration circuit .......................................................................................... 54
10.8 Constant capacity/pressure regulation ............................................................................................... 54
10.9 CO
2
regulation ................................................................................................................................ 55
10.10 Humidity regulation ........................................................................................................................ 55
10.10.1 Winter dehumidification ......................................................................................................... 55
10.10.2 Summer dehumidification ...................................................................................................... 55
10.10.3 Humidification ...................................................................................................................... 56
10.11 External air limitation ...................................................................................................................... 56
11 INTERNAL STATUS ................................................................................................................................ 56
12 SIGNALS AND ALARMS .......................................................................................................................... 60
13 ACCESSORIES ...................................................................................................................................... 64
13.1 INTRABUS/RS-485 EVIF22ISX serial interface .................................................................................... 64
13.2 RS-485/USB EVIF20SUXI serial interface ........................................................................................... 65
13.3 0025100010 drip protector .............................................................................................................. 66
13.4 CJAV connection kit ......................................................................................................................... 66
14 TECHNICAL SPECIFICATIONS ................................................................................................................. 67
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