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EV3934LM2
Evco EV3934LM2 User Manual
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EVCO S.p.A.
EV3 HRV & EVD HRV
| Application manual ver. 1
.0a | Code 1443DHRVE104
page 31 of 74
Connector 2
Part
Description
6
unused
7
unused
8
unused
9
INTRABUS port
signa
l
10
INTRABUS port re
ference (GND
)
5.6
Termination
resistor f
or the RS-485
MODB
US line
To terminate the
RS-485 MOD
BUS
line of the EV3
HRV, place
micro-sw
itch 1 in pos
ition ON. D
o not touch mi
cro-switch
2.
To terminate the
RS-485
line of th
e EVD HRV,
place micro-s
witch 1 in
position ON.
30
32
Table of Contents
Table of Contents
3
Introduction
5
Models Available, Purchasing Codes and Technical Features
5
Description
7
Description of EV3 HRV
7
Description of EVD HRV
8
Description of EV3K11
9
Description of EVJ LCD
10
Measurements and Installation
11
Measurements and Installation of EV3 HRV
11
Measurements and Installation of EVD HRV
11
Measurements and Installation of EV3K11
12
Measurements and Installation of EVJ LCD
13
Models for Wall Mounting
13
Models for Wall Mounting with Back-Slot for Flush Mounting Box
13
Installation Precautions
14
User Interface
15
Key Functions
15
Display
16
Home Page
16
Icons
16
Led Evd Hrv
19
Electrical Connection
20
Example of EV3 HRV Electrical Connection
20
Example of EVD HRV Electrical Connection
21
Example 1 of EV3K11 Electrical Connection
22
Example of EVJ LCD Electrical Connection
23
Models for Wall Mounting
23
Models for Wall Mounting with Back-Slot for In-Wall Box
25
Description of Connectors
26
Description of Connectors for EV3 HRV
26
Description of Connectors for EVD HRV
28
Description of EV3K11 Connectors
29
Description of Connectors for EVJ LCD
30
Termination Resistor for the RS-485 MODBUS Line
31
Precautions for Electrical Connection
32
Menu
33
Access Levels
33
Menu Settings
33
Quick Menus
34
Time Band Setpoint (EVJ LCD Only)
34
Time Band Settings (EVJ LCD Only)
34
Enabling Time Bands
35
Selecting the Operating Modes
36
Selecting the Heating/Cooling Mode
36
Selecting the Time Band Mode
36
Manual Mode (T01 = 0)
36
Time Band Mode (T01 = 1)
36
Holiday Mode (T01 = 2 or 3)
37
Configuring a Device
38
Parameters
38
Configuring Inputs
43
Configuring Input Functions
44
Universal Input Type Configuration
45
Analogue Output Configuration
45
Configuring Type AO
45
Exclusions
46
Configuring AO Function
46
Configuring Triac and Open Collector Outputs
46
Configuring Digital Outputs
47
Serial Ports
48
Functioning of the Controller
49
Regulation in the Incremental Neutral Zone
49
Activating Free Heating/Cooling
49
Summer Mode (Free-Cooling)
49
Winter Mode (Free-Heating)
49
Regulating the Ventilation
50
External Air Damper
50
Regulating the Recovery Heat Exchanger
50
Defrosting Cross-Flow or Rotary Recovery Heat Exchanger
51
Regulating the Mixing Chamber Damper
51
Temperature Regulation
52
Treatment Coils
52
Winter Pre-Heating (Hot Start)
53
Off-Band Mode Activation
53
Regulating the Compressor
53
Defrosting the Refrigeration Circuit
54
Constant Capacity/Pressure Regulation
54
CO 2 Regulation
55
Humidity Regulation
55
10.10.1 Winter Dehumidification
55
10.10.2 Summer Dehumidification
55
10.10.3 Humidification
56
External Air Limitation
56
Internal Status
56
Signals and Alarms
60
Accessories
64
INTRABUS/RS-485 EVIF22ISX Serial Interface
64
RS-485/USB EVIF20SUXI Serial Interface
65
0025100010 Drip Protector
66
CJAV Connection Kit
66
Technical Specifications
67
4
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Evco EV3934LM2 Specifications
General
Brand
Evco
Model
EV3934LM2
Category
Controller
Language
English
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