Rotex GW-20 H42 Installationsanleitung Seite 54

TABLE OF CONTENTS
1 Safety instructions
2 Unit description
2.1 General ........................................................................................................................................................................................... 5
2.2 Functioning ..................................................................................................................................................................................... 5
2.3 Operating modes ............................................................................................................................................................................ 5
2.4 PC Interface .................................................................................................................................................................................... 7
2.5 Test programs ................................................................................................................................................................................. 7
3 Main components
3.1 Accessories ..................................................................................................................................................................................... 9
4 Installation
4.1 Installation measurements ............................................................................................................................................................ 10
4.2 Installation space .......................................................................................................................................................................... 12
4.3 Assembly ...................................................................................................................................................................................... 13
5 Connecting
5.1 Connecting CH installation ............................................................................................................................................................ 15
5.2 Connecting electronically .............................................................................................................................................................. 17
5.3 Connect room thermostat ............................................................................................................................................................. 18
5.4 Connecting gas ............................................................................................................................................................................. 19
5.5 Flue and air supply duct ................................................................................................................................................................ 20
5.6 Outlet systems .............................................................................................................................................................................. 21
5.7 Flue material ................................................................................................................................................................................. 23
5.8 Connection to a flue system without air inlet (B23, B33) ............................................................................................................. 25
5.9 Connection to a sealed flue system. ............................................................................................................................................. 26
6 Commissioning the unit and the Installation
6.1 Filling and air purge of unit and installation................................................................................................................................... 34
6.2 Commissioning the unit ................................................................................................................................................................. 35
6.3 Switching off the unit ..................................................................................................................................................................... 36
7 Setting and adjustment
7.1 Direct via operating panel ............................................................................................................................................................. 37
7.2 Parameter settings via the service code ....................................................................................................................................... 38
7.3 Parameters ................................................................................................................................................................................... 38
7.4 Setting maximum CH power ......................................................................................................................................................... 40
7.5 Setting pump setting ..................................................................................................................................................................... 40
7.6 Weather dependent regulation...................................................................................................................................................... 41
7.7 Conversion to different type of gas ............................................................................................................................................... 42
7.8 Gas/air regulation .......................................................................................................................................................................... 42
7.9 Setting gas/air regulation .............................................................................................................................................................. 43
8 Malfunctions
8.1 Show last malfunction ................................................................................................................................................................... 45
8.2 Malfunction codes ......................................................................................................................................................................... 45
8.3 Other faults ................................................................................................................................................................................... 46
9 Maintenance
10 Technical specifications
10.1 Technical Product Fiche in accordance to CELEX-32013R0811 ................................................................................................. 52
10.2 Electrical diagram ......................................................................................................................................................................... 53
10.3 NTC resistances ........................................................................................................................................................................... 53
11 Warranty conditions
© 2018 Rotex Heating Systems GmbH
All rights reserved.
The information provided applies to the product in its standard version. Rotex Heating Systems GmbH can therefore not be held liable for any damages arising from
any specifications of the product which deviate from the standard version. The available information has been compiled with the greatest possible care, but Rotex
Heating Systems GmbH can not be held liable for any mistakes in the information, or for any consequences thereof. Rotex Heating Systems GmbH cannot be held
liable for any damage arising from work carried out by third parties.
Subject to change.
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