Table of Contents
Advertisement
8.8.5
TYPE C
53
When installing the heater as a Type C
installed on opposite sides of the building or closer than 500mm apart (centre to centre).
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. An approved terminal guard, Lochinvar
Part No. FTG0001 is available; please contact Lochinvar Limited for further information.
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.
9.0
AIR SUPPLY
The following information is based on single water heater installations only. If more than one water heater is being
used, BS6644 should be consulted to calculate the necessary requirements.
9.1 COMBUSTION VENTILATION
When used as a Type C appliance, provided sufficient clearance is provided, ventilation for combustion is not
necessary as the combustion air is ducted directly from outside.
When used as a Type B appliance, the combustion air requirements are as follows:
Gross
Input
Model
(kW)
SHW45-325CE
43.9
SHW60-325CE
58.6
TABLE 9.1
COMBUSTION VENTILATION REQUIREMENTS SHW45-325CE – SHW60-325CE
Gross
Net
Model
Input
Input
(kW)
(kW)
SHW85-435CE
83.5
75.3
SHW115-435CE 117.2
105.6
SHW145-435CE 146.5
132.0
TABLE 9.2
COMBUSTION VENTILATION REQUIREMENTS SHW85-435CE – SHW145-435CE
appliance, it should be noted that the terminals must not be
53
Net
Ventilation
Input
(Room)
(kW)
(cm
)
2
39.6
165
52.8
230
Plant Room
Low
Medium
Summer Use
Summer Use
High
Low
High
Low
(cm
)
(cm
)
(cm
)
(cm
)
2
2
2
2
152
304
228
380
212
424
318
530
264
528
396
660
(horizontal) or a Type C
13
Compartment
(Direct to Outside)
High
Low
(cm
)
(cm
)
2
2
200
400
265
530
High
Low
Summer Use
Summer Use
High
Low
High
Low
(cm
)
(cm
)
(cm
)
(cm
)
2
2
2
2
304
456
380
760
424
636
530
1060
528
792
660
1320
(vertical)
33
Compartment
(To Internal Space)
High
Low
(cm
)
(cm
)
2
2
400
800
530
1060
Enclosure
Medium
High
Summer Use
Summer Use
High
Low
High
Low
(cm
)
(cm
)
(cm
)
(cm
)
2
2
2
2
456
836
532
912
636
1166
742
1272
792
1452
924
1584
20
Hide quick links:
Advertisement
Table of Contents
