Operating Instructions and Installation Instructions
VARINO GRANDE 350 - 600
We reserve the right to make changes to dimensions and construction 1 Edition 10.07.2015
© Copyright YGNIS AG CH-Ruswil
Table of Contents
1. Precautions 2
2. Description 3
2.1. Fully modulating gas condensing unit 3
2.2. Conformity and registration 4
3. Scope of supply 4
4. Technical data 5
4.1. Main data / operating conditions 5
4.2. Water quality 5
4.3. Dimensions 7
4.4. Technical specifications 9
4.5. Correction values for different operating conditions 10
5. Description of the boiler control panel 11
5.1. Burner management: 11
5.2. Governor types 11
6. Installation guide 12
6.1. General comments relating to installation 12
6.2. Storage 12
6.3. Combustion air supply 12
6.4. Placement into the boiler room 13
6.5. Planning dimensions 13
6.6. Installing the unit 14
6.7. Hydraulic connection 15
6.8. Gas connection 16
6.9. Electrical installation 16
6.10. Flue gas installation 19
7. Operating conditions 20
7.1. Fuel 20
7.2. Combustion air 20
7.3. Filling the installation and water quality 20
7.4. Requirements for operation 20
8. Commissioning the condensing unit 21
9. Operation 22
9.1. Explanation of the control unit 22
9.2. Operating level (status display) 22
9.3. Parameter level 23
9.4. Information level 24
9.5. Explanations of the operating hours and pulse counter display 25
9.6. Display of interruptions in the condensing unit 25
9.7. Start process of the condensing unit 25
9.8. Test program/chimney sweep operation 26
9.9. Help in the event of errors 27
9.10. Closing down the condensing unit after the heating season (summer operation) 28
9.11. Commissioning the boiler when starting heating 28
10. Maintenance 29
11. Spare parts 29
Annex 1: Error codes 30
Annex 2 31