Buderus Logano plus GB312 Installation Instructions

Table of Contents
Logano plus GB312 – 6 720 647 367 (2012/11)2
Table of Contents
1 General safety instructions and explanation of symbols . . . . 4
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Standards, regulations and directives . . . . . . . . . . . . . . 6
2.2.1 National regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Compliance with standards and regulations . . . . . . . . . . 6
2.3.1 Massachusetts Installations Only: . . . . . . . . . . . . . . . . . . 6
2.4 Notes on installation and operation . . . . . . . . . . . . . . . . . 7
2.4.1 Other important information . . . . . . . . . . . . . . . . . . . . . . 7
2.5 Heating system water quÅality . . . . . . . . . . . . . . . . . . . . 7
2.6 Tools, materials and equipment . . . . . . . . . . . . . . . . . . . 7
2.7 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.8 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.9 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.10 Dimensions and specifications . . . . . . . . . . . . . . . . . . . 10
2.10.1 Logano plus GB312 dimensions . . . . . . . . . . . . . . . . . . 10
2.10.2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3 Transporting the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Lifting and carrying the boiler . . . . . . . . . . . . . . . . . . . . 13
3.2 Transporting the boiler on rollers . . . . . . . . . . . . . . . . . 14
4 Installing the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.1 Boiler room requirements . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 Recommended wall clearances . . . . . . . . . . . . . . . . . . . 15
4.3 Leveling the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5 Openings for combustion air supply and venting . . . . . . . . . 16
6 Installing the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.1 Connecting the flue pipe to the boiler . . . . . . . . . . . . . . 18
6.2 Installing the flue system . . . . . . . . . . . . . . . . . . . . . . . . 18
6.3 Installing the wall termination for a horizontal flue . . . . 19
6.4 Installation of the roof penetration of
a vertical flue system . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.5 Connecting the air supply (for direct vent operations) 20
6.6 Installing the combustion air wall termination . . . . . . . 21
6.7 Installing the combustion air roof termination . . . . . . . 22
6.8 Design of flue and air pipe for direct vent operation . . 23
6.9 Connecting the heating system . . . . . . . . . . . . . . . . . . . 24
6.9.1 General safety instructions . . . . . . . . . . . . . . . . . . . . . . 24
6.9.2 Connecting the boiler to the heating system . . . . . . . . 25
6.9.3 B-kit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.9.4 Connecting the central heating supply . . . . . . . . . . . . . 26
6.9.5 Fitting the heating system return . . . . . . . . . . . . . . . . . 26
6.9.6 Installing the DHW Tank . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.9.7 Installing the condensate drain . . . . . . . . . . . . . . . . . . . 26
6.10 Filling the heating system and checking
for water leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.11 Connecting the fuel supply . . . . . . . . . . . . . . . . . . . . . . 28
6.11.1 Installing gas feed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.11.2 Installation at high altitudes . . . . . . . . . . . . . . . . . . . . . 29
6.12 Electrical supply connections . . . . . . . . . . . . . . . . . . . . 29
6.12.1 Connecting power supply . . . . . . . . . . . . . . . . . . . . . . . 29
6.12.2 Leveling the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7 Commissioning the heating system . . . . . . . . . . . . . . . . . . . . 31
7.1 Checking the operating pressure . . . . . . . . . . . . . . . . . 32
7.2 Checking for leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.3 Checking appliance equipment . . . . . . . . . . . . . . . . . . . 33
7.4 Checking the air supply/ventilation and flue pipe
connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.5 Checking the air inlet diaphragm . . . . . . . . . . . . . . . . . 33
7.6 Bleeding the gas supply pipe . . . . . . . . . . . . . . . . . . . . . 33
7.7 Making the heating system ready for operation . . . . . . 34
7.8 Commissioning the control unit and burner without
programming unit RC35 . . . . . . . . . . . . . . . . . . . . . . . . 34
7.9 Starting up the controls and the burner with RC35
programming unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.9.1 Boiler intended to be used with Logamatic 4000 . . . . 34
7.9.2 Boiler intended to be used with RC35 . . . . . . . . . . . . . 34
7.9.3 Continuing commissioning procedure with RC35 . . . . 34
7.10 Switching on the boiler on the BC10 . . . . . . . . . . . . . . 35
7.10.1 Conducting a flue gas test . . . . . . . . . . . . . . . . . . . . . . . 35
7.10.2 Opening the Service menu and viewing monitor data
on the RC35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7.11 Adjusting and checking CO
2
level at maximum output 35
7.11.1 CO
2
content, natural gas type A . . . . . . . . . . . . . . . . . . 36
7.12 Adjusting and checking CO
2
level at minimum output . 36
7.12.1 CO
2
content, natural gas type A (minimum output) . . 36
7.12.2 Reading off and comparing CO
2
levels . . . . . . . . . . . . . 36
7.13 Checking and monitoring CO
2
level
at maximum output . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7.14 Recording measured values . . . . . . . . . . . . . . . . . . . . . 36
7.14.1 Switching the status display on the BC10 to show
the boiler temperature status . . . . . . . . . . . . . . . . . . . . 37
7.14.2 Returning to operating mode from the flue gas test . . . 37
7.14.3 Flue pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.14.4 Carbon monoxide content . . . . . . . . . . . . . . . . . . . . . . . 37
7.15 Function testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.15.1 Checking the (flame) ionization current . . . . . . . . . . . . 37
7.16 Measuring the inlet gas pressure . . . . . . . . . . . . . . . . . . 37
7.17 Checking for leaks during operation . . . . . . . . . . . . . . . 38
7.18 Installing outer casing panels . . . . . . . . . . . . . . . . . . . . 38
7.19 Informing the owner/operator and handing
over technical documentation . . . . . . . . . . . . . . . . . . . 38
7.20 Commissioning log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Buderus Logano plus GB312 Specifications

General

Brand	Buderus
Model	Logano plus GB312
Category	Boiler
Language	English