Buderus Logano G234X Installation And Maintenance Instructions

Logano G234X - Technical specifications are subject to change without prior notice.
2
Contents
1 Explanation of symbols and safety
information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . 3
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . 3
2 Product description . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Standards, regulations and directives . . . . 5
2.2.1 National regulations . . . . . . . . . . . . . . . . . . . 5
2.2.2 Boiler operating conditions . . . . . . . . . . . . . 5
2.3 Notes on installation and operation . . . . . . 5
2.3.1 Other important information . . . . . . . . . . . . . 5
2.4 Tools, materials and equipment . . . . . . . . . . 6
2.5 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.6 Product description . . . . . . . . . . . . . . . . . . . 6
2.7 Package Contents . . . . . . . . . . . . . . . . . . . . 6
2.8 Dimensions and specifications . . . . . . . . . . 7
2.8.1 Logano G234X dimensions . . . . . . . . . . . . 7
2.8.2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . 8
2.8.3 Main gas orifice identification and rated
orifice pressure . . . . . . . . . . . . . . . . . . . . . . . 8
3 Moving the boiler . . . . . . . . . . . . . . . . . . . . . . . . 9
4 Placing the boiler . . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Boiler room requirements . . . . . . . . . . . . . 10
4.2 Recommended wall clearances . . . . . . . . 10
4.3 Leveling the boiler . . . . . . . . . . . . . . . . . . . 11
5 Installing the boiler . . . . . . . . . . . . . . . . . . . . . 12
5.1 Preparations . . . . . . . . . . . . . . . . . . . . . . . . 12
5.2 Connecting the heating system . . . . . . . . . 12
5.2.1 General safety instructions . . . . . . . . . . . . 12
5.2.2 Connect the central heating supply and
return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.3 Electrical connection . . . . . . . . . . . . . . . . . 14
5.3.1 Connecting power supply . . . . . . . . . . . . . 14
5.3.2 Mount the Logamatic 2000 control unit
(accessory) . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.3.3 Installing the rear boiler cover . . . . . . . . . . 17
5.4 Connecting the gas supply . . . . . . . . . . . . 18
5.4.1 Installing gas feed . . . . . . . . . . . . . . . . . . . . 18
5.4.2 Converting boiler to propane . . . . . . . . . . . 20
5.4.3 Installation at high altitudes . . . . . . . . . . . . 20
5.5 Filling the heating system and checking
for water leaks . . . . . . . . . . . . . . . . . . . . . . . 21
5.6 Install front wall of boiler . . . . . . . . . . . . . . 22
5.7 Connecting the flue . . . . . . . . . . . . . . . . . . 23
5.7.1 Check openings for combustion air supply
and venting . . . . . . . . . . . . . . . . . . . . . . . . . .23
5.7.2 Requirements for connection to chimneys
or venting systems . . . . . . . . . . . . . . . . . . . .24
5.7.3 Installing the flue pipe . . . . . . . . . . . . . . . . . 25
5.7.4 Connecting flue pipe . . . . . . . . . . . . . . . . . 25
5.7.5 Installation of vent damper . . . . . . . . . . . . . 25
5.7.6 Installing electrical connection of vent
damper . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
6 Commissioning the heating system . . . . . . . 27
6.1 Test safety valve . . . . . . . . . . . . . . . . . . . . . 27
6.2 Making the heating system ready for
operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
6.3 Start-up instructions . . . . . . . . . . . . . . . . . . 29
6.4 Making boiler ready for operation . . . . . . . 30
6.4.1 Commission the heating system with
aquastat control . . . . . . . . . . . . . . . . . . . . . .30
6.4.2 Placing heating system with
Logamatic 2000 control unit in operation .30
6.5 Then carry out start-up procedures. . . . . . 30
6.6 Shutting off gas supply to boiler . . . . . . . . 34
6.7 Inform owner/operator, hand over
technical documentation . . . . . . . . . . . . . . .34
6.8 Commissioning log . . . . . . . . . . . . . . . . . . . 35
7 Shut down the heating system . . . . . . . . . . . . 36
7.1 Normal shut-down . . . . . . . . . . . . . . . . . . . . 36
7.2 Shutting down the boiler in an emergency 36
7.2.1 Action in an emergency . . . . . . . . . . . . . . . 36
8 Heating system inspection and
maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.1 Why is regular maintenance important? . . 37
8.2 Checking the flue system including the
combustion air supply, inlet and outlet air
openings . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
8.3 Inspection of the boiler and burner . . . . . . 37
8.4 Preparing boiler for cleaning . . . . . . . . . . . 38
8.5 Cleaning the boiler . . . . . . . . . . . . . . . . . . . 39
8.5.1 Cleaning the boiler with cleaning brushes 39
8.5.2 Wet cleaning (chemical cleaning) . . . . . . . 40
8.6 Cleaning the burner . . . . . . . . . . . . . . . . . . 41
8.7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . 42
8.8 Maintenance log book . . . . . . . . . . . . . . . . 44
9 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
10 Circuit diagrams . . . . . . . . . . . . . . . . . . . . . . . . 61

Buderus Logano G234X Specifications

General

Brand	Buderus
Model	Logano G234X
Category	Boiler
Language	English