Installation Of The Exhaust And Air Intake System - Buderus Logamax plus GB142-24 Installation Instructions Manual

6
Installation
▶ Screw on the flue gas adapter using 6 screws ( fig. 16).
Fig. 16 Connecting the flue gas adapter
6.7

Installation of the Exhaust and Air Intake system

NOTICE:
▶ Consult local and state codes pertaining to special
building code and fire department requirements.
Adhere to national code requirements.
NOTICE:
▶ Observe the listed maximum lengths of vent system,
which are boiler model dependent. The maximum
permissible lengths are listed in table 4, page 18.
An optional concentric vent/air intake body ( fig. 17 and 18) can be
used for the installation of a vertical venting system as well as for a
horizontal venting system. The concentric vent/air intake body can be
ordered by Buderus Hydronic Systems, part no. BRYKGAVTO601CV.
Other optional vent kits are:
383-500-397 Plastic Vent Kit
2
1
Fig. 17 Vertical venting system (sealed combustion)
[1] Exhaust 3" (80 mm)
[2] 10"- 0" min. (250 mm - 0 mm min.)
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3
4
5
72150200-19.1TD
[3] 12" (300 mm) over maximum snow level or 24" (600 mm)
whichever is greater
[4] Intake 3" (80 mm)
[5] 3" × 1.5" (80 × 38.1 mm)
Fig. 18 Horizontal venting system (sealed combustion)
[1] Exhaust 3" (80 mm)
[2] Intake 3" (80 mm)
[3] 24" max. (610 mm max.)
[4] 3" × 1.5" (80 × 38.1 mm)
The boiler can also be operated with separate air intake and exhaust
piping ( fig. 18 and fig. 19).
Fig. 19 Horizontal venting system (non sealed combustion only) -
Situation 1
[1] Exhaust 3" (80 mm)
[2] Intake 3" (80 mm)
[3] 3" × 1.5" (80 × 38.1 mm)
The termination shall be at least 4 ft (1,220 mm) for the U.S. and 6 ft
(1,830 mm) for Canada away from a gas utility gauge, service regulator
or the like (for non sealed combustion applications only).
Logamax plus GB142-24/30/45/60 – 6720820104 (2017/05)
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1
4
72150200-27.1TD
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1 3
72150200-20.1TD