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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
Mass Rate @ 100%
Model No.
(@ 9% CO2) (G20)
EKW45CE
EKW60CE
EKW85CE
EKW115CE
EKW145CE
EKW175CE
EKW205CE
EKW235CE
8.8.5
TYPE C
53
When installing the heater as a Type C
on opposite sides of the building.
To install a Type C
terminal or air inlet, the procedure for either a Type C
53
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 EKW45CE – EKW145CE, use Lochinvar
Part Number FTG0001 and for the EKW175CE – EKW235CE 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.
Mass Rate @ 23%
(@ 9% CO2) (G20)
16.0
3.7
22.3
5.1
30.4
7.0
42.5
9.8
53.2
12.2
63.9
14.7
74.6
17.1
85.2
19.6
TABLE 8.6
FLUE GAS MASS RATES
appliance, it should be noted that the terminals must not be installed
53
Mass Rate @ 100%
Mass Rate @ 23%
(@ 10.5% CO2) (G31)
(@ 10.5% CO2) (G31)
16.7
23.2
31.6
44.2
55.4
66.6
77.6
88.8
(horizontal) or a Type C
13
3.8
5.3
7.3
10.2
12.7
15.3
17.9
20.4
(vertical)
33
23
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