Table Of Contents - Buderus Logano plus GB312 Applications Manual

GB312 Applications Manual

Table of Contents

1 Product description
1.1 Package contents
1.2 Dimensions and specifications
2 Installing the boiler
2.1 Recommended wall clearances
2.2 Leveling the boiler
3 Water quality requirements
3.1 Maintenance of user manual
3.2 Prevention of damage by corrosion
3.3 Water hardness
3.4 Checking max quantity of first fill water based
on water quality
3.5 pH requirements
3.6 Operator's log
4 Openings for combustion air supply
& venting
5 Venting requirements
5.1 Connecting the air supply (for direct vent operations)
5.2 Installing the wall exit for air supply pipe
5.3 Installing the roof exit for air pipe
5.4 Design of flue and air pipe for balanced flue operation
(refer to NFPA54 ANSIZ223.1 for dimensions)
5.5 Venting system calculation/sizing chart
6 Piping the boiler
6.1 Connecting central heating supply
6.2 Fitting the heating system return
6.3 Installing the DHW Tank
6.4. Installing the condensate drain
6.5 Connecting the fuel supply
6.6 Pipe sizing
4 7 CSD-1 Kit
6 7.1 Operating Addendum for the GB312 in High
7 Temperature Applications
10 8 Internal boiler wiring diagram
10
11
9 MC10 wiring diagram
12
10 Sequence of operations
12
12
13
11 High altitude adjustment
13
11.1 General
13
11.2 Adjustments
15
11.3 CO ² adjustment of the burner / adjustment
of the gas valve
11.4 Setting for speed of burner fan
16
12 Examples of installations
12.1 Legend
12.2 Single boiler systems
17
12.3 Multiple boiler systems
19
19
20
13 Pump and low loss header selection
21
13.1 Pump & low loss header (hydro-separator) selection
22
13.2 Low loss header selection per manufacturer
26
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