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3.4
Balanced flue operation
The boiler meets the requirements specified by the ap-
probation principles of the DIBT for balanced flue oil
combustion equipment to EN 15034/15035
(
Chapter 3.2, page 10 "Declaration of Conformity").
The entire system (ventilation air pipe - burner/boiler -
flue gas pipe) corresponds to the types of oil combustion
equipment shown in the table on the right. The additional
designation "x" declares that the combustion equipment
meets the sealing demands and can therefore be opera-
ted independently of the equipment and ventilation in the
boiler room.
Observe the country-specific standards and regulations
concerning the operation of balanced flue oil combustion
equipment.
Installation
type
OC
Concentric combustion air supply and flue gas routing horizontal through the outside wall. The terminals are loca-
13x
ted close beside each other in the same pressure area. Combustion air supply and flue gas routing are part of the
combustion equipment.
OC
Concentric combustion air supply and flue gas routing vertical via roof. The terminals are located close beside
33x
each other in the same pressure area. Combustion air supply and flue gas routing are part of the combustion
equipment.
OC
Connection to air-flue gas system (LAS, simply laid); ventilation air pipe from air shaft and connecting piece for
43x
chimney are part of the combustion equipment.
OC
Separate combustion air supply and flue gas routing (tested together with the boiler). The terminals are located in
53x
different pressure areas. Ventilation air and flue gas pipes are part of the combustion equipment.
Please note: When routing the flue gas horizontally, then the terminals must not be on opposite walls of the buil-
ding.
OC
Designed for the connection to a combustion air supply and flue gas routing system, not tested with the boiler.
63x
OC
Connection to a flue gas system (underpressure operation). Ventilation air pipe and connecting piece to the chim-
83x
ney are part of the combustion equipment.
Tab. 12 Balanced flue installation types
Please ensure that, when connecting the appliance to a
balanced flue system that has not been tested with the
boiler (OC
), the country-specific requirements (parti-
63x
cularly concerning the design of the terminal) and the
specifications of the general building regulations apper-
taining to the system are observed.
For the technical details regarding the sizing of the ba-
lanced flue system for OC
Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.
, see the adjacent Tab. 13.
63x
Routing combustion air and
flue gas
Residual head
Max. permiss. inlet pressure
drop on the air inlet
connector
Tab. 13 Design details for OC
Specification
GB125
Pa
30/50
Pa
200
63x
3
13
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