BS 5440.2
:
Air Supply
BS 5482.1
:
Domestic Propane & Butane Burning Installations
BS 7074.1
:
Expansion Vessels
BS 7593
:
Treatment of Water in Hot Water Central Heating
Systems
BS 7671
:
Requirments for Electrical Installations.IEE Wiring
Regulations 16th Edition.
For Timber Framed Buildings, British Gas Publications DM2.
Also
British Gas
Publications 'Guidance Notes For The Installation Of Domestic Gas Condensing
Boilers'
and
'Specification For Domestic Wet Central Heating Systems'.
1.4
PERFORMANCE DATA
1.5
GENERAL DATA
WD51/2/1997 Chapter 1 : General Instruction
The Keston 170 Condensing Boiler
Installation & Servicing Instructions
Page : 3
Boiler Input (gross)
kW
55.0
Btu/h 187,600
Boiler Output To Water
kW
49.8
(80
o
C Flow 60
o
C Return)
Btu/h
170,000
Boiler Output To Water
kW
52.4
(60
o
C Flow 40
o
C Return)
Btu/h
179,000
Boiler Output To Water
kW
54.5
(50
o
C Flow 30
o
C Return)
Btu/h
186,000
Burner Setting Pressure
mbar
10.0
(Hot)
in wg
3.94
Gas Comsumption After
l/s
1.42
10 mins Running
Ft
3
/hr
180.73
(CV of Gas - 38.7 MJ/m
3
)
(1038 Btu/Ft
3
)
Max. Operating Flow Temp.
o
C
80.00
Max. Head (Open Systems)
m
30.50
Ft
100.0
Max. Press. (Sealed Sys.)
Bar
2.70
Min. Head (Open Systems)
m
2.5
Ft
8.0
Inlet Gas Pressure
mbar
20.0
in wg
8.0
Gas Orifice Size
mm
4.5
Air Orifice Size
mm
23.0
Recommended Temperature
o
C
10 to 15
Differential
Main Burner
Keston Premix
Gas Control
White Rogers 36E Series
Combustion Fan
Keston
Type LPB 103 220/240
0.6 kW 2900 RPM
Direct Spark
RAM Electronics
Ignition
Ignition
Full Sequence Control
Air Press. Switch
Tridelta FS6717-1428
Filter
Keston Filter
Gas Supply
0.75 inch BSPT Male
Connection
(22mm to gas cock)
Flow Connection
35mm Copper
Return Connection
35mm Copper
Power Supply
230V 50Hz
Pwr Consumption
610 W
Ext Fuse Rating
10 Amp
s
Weight - Full
68 kg (150 lbs)
Weight - Empty
61 kg (134 lbs)
Data Badge Posn
Right Hand Panel Inside
Case
Water Content
7.0 litres
