Keston HEAT 2 45 Installation & Servicing page 6

Table 1 Performance Data (Natural Gas & Propane)
Keston Heat2 Model
Boiler Output
(non-condensing)
Mean 70°C
Boiler Output
(condensing)
Mean 40°C
Boiler Input
Max Rate
Boiler Input
Min Rate
Gas Rate
Flue Gas Flow Rate
CO (±0.5%)
2
DB
NO
x
Efficiency
*SEDBUK 2009
* The value is used in the UK Government's Standard Assessment Procedure (SAP) for energy ratings of dwellings. The test data from which it has
been calculated have been certified by a notified body.
Table 2 General Data
Keston Heat2 Model
Gas Supply
Gas Supply Connection
Flow Connection
Return Connection
Max Pressure (sealed sys)
Bar (psi)
Maximum Static Head m
Electricity Supply
Fuse Rating A
Power Consumption W
IP Rating
Nominal flue dia - Concent.
Condensate Drain
Water Content
L
Packaged Weight
Kg
Unpackaged Weight
Kg
Note.
Gas consumption is calculated using the following calorific values
at 15 C and 1013.25 mbar.
o
G31 Gross CV - 95.7 MJ/m
3
G20 Gross CV - 37.8 MJ/m
3
G31 Gross CV - 2567 Btu/ft
3
G20 Gross CV - 1014 Btu/ft
3
For l/s divide the gross heat input (kW) by the gross C.V. of the
gas (MJ/m )
3
For ft/h divide the gross heat input (Btu/h) by the gross C.V. of
3
the gas (Btu/ft ).
3
For m /h multiply l/s by 3.6.
3
6
SECTION 1 - GENERAL
Max kW
Min kW
Max kW
Min kW
Nett kW
Gross kW
Nett kW
Gross kW
3
Max Rate m /hr
Max Rate m 3 /hr
Max Rate %
Min Rate %
Weighted mg/kWh
Seasonal %
%
45P
3P-G31-37mbar
180
45 45P
42.6 42.6
12 12
45 45
12.7 12.7
43.2 43.2
47.9 47.9
12.2 12.2
13.5 13.5
4.56 1.78
65.8 68.03
9.5 10.8
8.7 9.9
60.6 60.6
28.5 43.1
96 96
89.2 89.2
45
2H – G20 – 20mbar
3
G /
4
1
G1 /
4
1
G1 /
4
6.0 (87.0)
61.0
230V - 50Hz
4.0
180
IP20
Twin 50mm
25
5.0
TBA
TBA
HEALTH & SAFETY DOCUMENT NO. 635
The electricity at work regulations, 1989. The manufacturer's
notes must NOT be taken, in any way, as overriding statutory
obligations.
IMPORTANT. These appliances are CE certified for safety
and performance. It is, therefore, important that no external
control devices, e.g. flue dampers, economisers etc., are
directly connected to these appliances unless covered by
these Installation and Servicing Instructions or as otherwise
recommended by Keston in writing. If in doubt please enquire.
Any direct connection of a control device not approved by Keston
could invalidate the certification and the normal appliance
warranty. It could also infringe the Gas Safety Regulations and
the above regulations.
55 55P
52.1 52.1
12 12
55 55
12.7 12.7
52.7 52.7
58.5 58.5
12.2 12.2
13.5 13.5
5.57 2.18
80.6 83.71
9.7 10.7
8.7 9.9
64.2 64.2
35.4 48.4
96.7 96.7
89.6 89.6
55 55P
3P - G31 - 37mbar
241 241
Installation & Servicing