![Itho Daalderop HRU ECO 350 Installation Manual Download Page 4](http://html1.mh-extra.com/html/itho-daalderop/hru-eco-350/hru-eco-350_installation-manual_2095588004.webp)
4
Content
1. Safety and regulations
5
1.1.
Security
5
1.2.
Standards and guidelines
6
2. Product information
7
2.1.
Versions
7
2.2.
Accessories
7
2.3.
Technical data
8
2.4.
Capacity chart
9
2.5.
Capacity
9
2.6.
Dimension drawings
10
2.7.
Spare parts
11
2.8.
Schemes
12
3. Installation
15
3.1.
Installation requirements
15
3.2.
Installing the ventilation unit
15
3.3.
Connecting condensation drain
20
3.4.
Connecting the channels
21
3.5.
Dipswitch settings
22
3.6.
Connecting electrically
22
4. Operation
23
4.1.
Ventilation modes
23
4.2.
Controls
23
4.3.
Sensors
24
4.4.
Signing in and out of wireless controls and
24
sensors
5. Commissioning
25
5.1.
Preparation
25
5.2.
Commissioning
26
5.3.
Adjusting capacity
26
5.4.
Adjusting the supply/discharge balance
27
6. Inspection and maintenance
28
6.1.
Inspection and maintenance schedule
28
6.2.
Inspection, cleaning/replacing filters
29
6.3.
Resetting dirt filter indication
30
6.4.
Cleaning mosquito filter
30
6.5.
Replace engine frost valve
30
6.6.
Inspection/Cleaning valves
31
6.7.
Inspect and clean fans
31
6.8.
Inspecting/cleaning channels
33
7. Malfunctions
34
8. Service parts
39
9. Warranty
41
10. Statements
42