Vaillant ecoTEC plus 418 - Page 5

4.3.4
Water connections
4.3.5
Condensate trap and syphonic drain Connection
4.3.6
Installing the flue system
4.4
Electrical connections
4.4.1
Connections to main supply
4.4.2
Wiring system
4.4.3
Electrical board layout
4.4.4
Controls
4.4.5
External electrical controls
4.4.6
Connection details for external time switches and boiler
terminal strip
4.4.7
Vaillant optional plug in timer accessories
4.4.8
Connection details using the VR 65 control centre
5
Commissioning (Part I)
5.1
Preliminaries - all systems
5.1.1
Gas supply
5.1.2
Gas pressure statement - Natural gas
5.1.3
Initial Lighting
5.1.4
Ignition problems
5.1.5
Flue problems
5.1.6
Testing - Gas
6
Natural Gas to LPG conversion
7
Functional checks commissioning (part II)
7.1
Functional Checks
7.2
Heating