Air Supply; Combustion Ventilation; Cooling Ventilation - Lochinvar ECOKNIGHT EKW116CE Installation, Commissioning, Maintenance And User Instructions
Floor standing gas fired condensing circulating type water heater
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- Installation manual (88 pages) ,
- Installation, commissioning, maintenance and user instructions (96 pages)
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12.0 AIR SUPPLY
The following information is based on single water heater installations only. If more than one water heater is being used, BS5440-2
or BS6644 (as appropriate) should be consulted to calculate the necessary requirements.
COMBUSTION VENTILATION
When used as a Type C (room sealed) 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 (open flue) appliance, the combustion air requirements are as follows:
Input
Input
Model
(Gross)
(Net)
kW
kW
EKW116CE
117.2
105.6
EKW146CE
146.5
132.0
EKW176CE
175.8
158.4
EKW206CE
205.2
184.5
EKW236CE
234.5
211.3
12.1.1
COMBUSTION VENTILATION REQUIREMENTS EKW116CE – EKW236CE
COOLING VENTILATION
When used as a type C (room sealed) appliance, installed in a compartment or an enclosure, as shown in Figure 5.2.1, cooling
ventilation should be provided as follows:
Input
Model
(Gross)
kW
EKW116CE
117.2
EKW146CE
146.5
EKW176CE
175.8
EKW206CE
205.2
EKW236CE
234.5
12.2.1
COOLING VENTILATION REQUIREMENTS
When used as a type B (open flue) appliance, provision for cooling ventilation is included in the combustion ventilation allowance.
Plant Room
Low
Medium
Summer Use
Summer Use
High
Low
High
Low
(cm
)
(cm
)
(cm
)
(cm
2
2
2
212
424
318
530
264
528
396
660
318
636
477
795
370
740
555
925
424
848
636
1060
Enclosure/Compartment
Input
(Direct to Outside)
(Net)
kW
High
(cm
)
2
105.6
530
132.0
660
158.4
795
184.5
925
211.3
1060
High
Low
Summer Use
Summer Use
High
Low
High
)
(cm
)
(cm
)
(cm
)
2
2
2
2
424
636
530
528
792
660
636
954
795
740
1110
925
848
1272
1060
Enclosure/Compartment
(To Internal Space)
Low
High
(cm
)
(cm
)
2
2
530
1060
660
1320
795
1590
925
1850
1060
2120
Enclosure
Medium
Summer Use
Summer Use
Low
High
Low
High
(cm
)
(cm
)
(cm
)
(cm
2
2
2
1060
636
1166
742
1320
792
1452
924
1590
954
1749
1113
1850
1110
2035
1295
2120
1272
2332
1484
Water heater Room
Low
High
(cm
)
(cm
)
2
2
1060
212
1320
264
1590
318
1850
370
2120
424
High
Low
)
(cm
)
2
2
1272
1584
1908
2220
2544
Low
(cm
)
2
212
264
318
370
424
46
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