23
8.8.4
TYPE C
43
This appliance can operate on a U-Duct common flue system. The maximum lengths for the interconnecting flue can
be found in
Table 3.1
.
Concrete components of the U-Duct must meet the requirements of
BS EN 1858
.
Model No.
Mass Rate @ 100%
(@ 9% CO2) (G20)
Mass Rate @ 23%
(@ 9% CO2) (G20)
Mass Rate @ 100%
(@ 10.5% CO2) (G31)
Mass Rate @ 23%
(@ 10.5% CO2) (G31)
EKB45CE
16.0
3.7
16.7
3.8
EKB60CE
22.3
5.1
23.2
5.3
EKB85CE
30.4
7.0
31.6
7.3
EKB115CE
42.5
9.8
44.2
10.2
EKB145CE
53.2
12.2
55.4
12.7
EKB175CE
63.9
14.7
66.6
15.3
EKB205CE
74.6
17.1
77.6
17.9
EKB235CE
85.2
19.6
88.8
20.4
TABLE 8.6
FLUE GAS MASS RATES
8.8.5
TYPE C
53
When installing the boiler as a Type C
53
appliance, it should be noted that the terminals must not be installed
on opposite sides of the building.
To install a vertical Type C
53
terminal or air inlet, the procedure for a Type C
33
terminal should be followed. To install
a horizontal Type C
53
terminal or air inlet the following procedure should be followed:
To install a Type C53 terminal or air inlet, the procedure for either a Type C
13
(horizontal) or a Type C
33
(vertical)
terminal should be followed noting that the annular space of the terminal should be sealed off.
8.9
FLUE TERMINAL GUARDING
If a horizontal flue terminal is to be fitted less than 2 metres from ground level or in a location where it can be touched
from a window, door or balcony, a terminal guard must be fitted. For the EKB45CE – EKB145CE, use Lochinvar Part
Number FTG0001 and for the EKB175CE – EKB235CE use Lochinvar Part Number FTG0002. For further
information please contact Lochinvar Limited.
The terminal guard is constructed from plastic-coated mild steel and is suitable for use on condensing appliances
only. The guard should be installed centrally around the terminal ensuring a gap of at least 50mm between the guard
and terminal is maintained.
