WRG 35 Decentralised heat
recovery unit
Table of contents
1. Scope of delivery .................................... 33
1.1 WRG 35-SR Shell kit ....................... 33
1.2 WRG 35-1-SE Final assembly set ... 33
1.3 WRG 35H-SE Final assembly set
with hygrostat ........................................ 33
1.4 RLS 4-1 Room air control ................ 33
1.5 RLS 5 Room air control ................... 33
1.6 Special accessories......................... 33
2. Symbols used......................................... 34
2.1 Warning symbols ............................. 34
2.2 Other symbols ................................. 34
3. WRG 35 Product information.................. 34
3.1 Intended use ................................... 34
3.2 Predictable misuses ........................ 34
3.3 Product description ......................... 35
3.4 System overview ............................. 37
3.5 Ventilation unit ................................. 38
3.6 RLS 4-1 room air control ................. 39
3.7 RLS 5 Room air control ................... 39
3.8 WRG 35 Network ............................ 39
4. Essential safety instructions ................... 40
4.1 General safety instructions .............. 40
4.2 Regulations for operation with
fireplaces ............................................... 40
5. Operation with RLS 4-1 Room air control .. 41
6. Operation with RLS 5 Room air control .. 42
6.1 Displays, operating elements .......... 42
6.2 Setting ventilation levels .................. 43
6.3 Program structure, Menus ............... 43
6.4 Activate Party operation. ................. 45
6.5 Activate Standby operation ............. 45
6.6 Week timer ...................................... 45
6.7 Vacation program ............................ 47
6.8 Sensor values ................................. 47
6.9 Settings menu ................................. 47
6.10 Service menu ................................ 49
7. Cleaning, maintenance .......................... 50
7.1 Safety instructions ........................... 50
7.2 Changing the air filter ...................... 50
7.3 Changing the filter change interval .. 51
7.4 Cleaning the fly screen .................... 51
8. Faults, Messages ................................... 51
8.1 Filter change display ....................... 51
8.2 RLS 4-1 Fault codes ....................... 51
8.3 RLS 5 Fault codes........................... 52
9. Installation preparations ......................... 53
9.1 Transport......................................... 53
9.2 Requirements at the installation
site ................................ .................. 53
10. Installation (Specialist installer) ............ 53
10.1 Important notes ............................. 53
10.2 Dimensions ................................... 53
10.3 Control cable preparations,
network ................................................. 54
10.4 Installation Shell kit ....................... 55
10.5 Installing Extension sleeve ............ 56
10.6 Installation Compensation frame .. 56
10.7 Installation Final assembly set and
Room air control .................................... 57
10.8 Electrical connection ..................... 57
11. Commissioning .................................... 58
11.1 Function test with RLS 4-1 ............ 58
11.2 Function test with RLS 5 ............... 59
12. Accessories .......................................... 59
13. Technical data ...................................... 59
14. Disposal ............................................... 60
14.1 Packaging ..................................... 60
14.2 Air filter .......................................... 60
14.3 ventilation unit ............................... 60
15. Wiring diagram ..................................... 60