Lochinvar EFW 85 Installation, Commissioning, User And Maintenance Instructions page 48

C83
Air inlet
Air inlet
C93
48
Closed
Air supply
Flue outlet
from outside
Closed
Air supply
from outside
E93.1804.014
* Separate air supply duct from external wall.
*Flue gas discharge through individual or shared
flue ducting built into the building.
* Air supply inlet and flue gas outlet at different air
pressure zones.
* Condensate is not allowed to go to the boiler.
* Technical data:
nominal T
flue gas
nominal Q
fluegas
maximum T
fluegas
min. load T
fluegas
min. load Q
fluegas
nominal % O
2
1) technical specifications datasheet
* Flue duct: Material: PP or SS
CE approved
Type C93 . A type C9 appliance incorporating a
fan upstream of the combustion chamber/heat-
exchanger.
Minimum required diameter/ cross section area:
boiler diameter
EFW 85, 105, 125 100 mm
EFW 155 150 mm
85 °C
see 3.3 1)
90 °C
35 °C
1)
see 3.3
1)
see 3.3
area
2
7854 mm
2
17671 mm