Start-Up Work - Buderus 800-24 Installation And Servicing Instructions

2 Initial start-up
2.2

Start-up work

2.2.1 Checking the boiler equipment
NOTE!
The burner must only be put into operation
with the correct injectors (table 5).
Subject to modifications resulting from technical improvements !
24 Installation and servicing instructions condensing gas boiler 800 - 24/29/43/60 and 800 - 24T25/29T25 H/V • edition 02/2006
fig. 30 Purging the gas supply pipe (SIT gas units)
Type of gas Factory setting of gas burners
When delivered ready for operation and set
to Wobbe index 14.1 kWh/m
15 °C, 1013 mbar), applicable for Wobbe in-
Natural
dex range 11.3 to 15.2 kWh/m
gas E
Inscription on type of gas label:
(includes
Category setting: G 20 ­ 2E_20 mbar
natural
gas H)
Formerly: set to Wobbe index 15.0 kWh/m
(referred to 0 °C, 1013 mbar), applicable for
Wobbe index range 12.0 to 15.7 kWh/m
After change-over (see Installation Instruc-
tions: "Changing to another type of gas")
suitable for LPG.
LPG
Inscription on type of gas label:
Category setting: 3P G 31_30-50 mbar
Table 4 Gas burner factory settings
Gas boiler Type of gas
Natural gas H
800-24
(24T25 H/V)
LPG
Natural gas H
800-29
(29T25 H/V)
LPG
Natural gas H
800-43
LPG
800-60 Natural gas H
Table 5 Gas and air injector diameters
3
(referred to
3
.
3
Gas injec- Air injec-
tor diame- tor diame-
ter [mm] ter [mm]
4.65 21.55
3.45 20.10
5.00 23.30
3.90 23.00
6.40 29.30
4.85 27.40
8.00 36.40
Buderus • http://buderus-domestic.co.uk
3
.