Douglas BF 10-LPG Instalasi & Panduan Pengguna - Halaman 4

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DOUGLAS & Co. BF 10H-NG BF 10-LPG HEATER UNITS
INSTALLATION USER INSTRUCTION MANUAL
Page 4 of 20
DOUGLAS & Co.
BF10H
INSTALLER SECTION.
HEATER & BALANCED FLUE ASSEMBLY
1.
GENERAL DESCRIPTION :
The design of this balanced flue system is intended for situations where access to the external
wall face may be limited. This may be due to height or limited location access to boundary.
The external wall balanced flue must be free from any
combustible materials (such as
TREES, leaves, ETC.).
Install in accordance with AS5601, AS/NZS3500.4.2, NZS5261 and all local building, water and
gas fitting regulations.
2.
LOCATION :
The appliance should be installed in a frost-protected, well ventilated room, as near as possible to the
most frequently used tap. In order to prevent corrosion, make sure that the combustion air is kept free
of aggressive substances. Substances that especially contribute to corrosion are halogenated
hydrocarbons (e.g chlorine, fluorine), which are contained in solvents, paint, adhesives, propellant
gases, various household cleaners, etc. Provide a clearance of 25 mm around the top and both
sides and 150 mm underneath the appliance
3.
WATER SUPPLY:
Pipes of suitable bore according to local conditions and in compliance with pertinent regulations to
be used.
Cold
er inlet, and hot water outlet, are marked in accordance with AGA requirements.
Use only Gate Valve or Full Flow Ball Valve. Non-Return
Valves MUST NOT BE USED.
Cold water - flush all lines prior to connection.
Make sure water filter is fitted to inlet point of water valve. Fit inline water strainer where appropriate.
4.
GAS CONNECTION :
Size gas supply pipe as per AS5601. Note: inadequate
pipe sizing may void the warranty.
5.
INSTALLATION OF BALANCED FLUE UNIT :
There are four parts to the BF 10 H Balanced Flue Unit.
They are : 1. External Wall Assembly. This assembly
comprises the external and internal flue
chambers pre-assembled by Douglas & Co. with the leaf
protection grille.
2. Outer Air Duct. This duct carries air to the Heater
burners and also provides a physical
support and atmosphere seal to the System.
3. Inner Flue Elbow. This heat exchange elbow mounts
above the burner chamber within
the Heater and carries hot burner exhaust gases into
the inner flue duct.
4. Inner Flue Duct. This duct carries hot burner exhaust
gases to the external flue outlet.
Both 3 & 4 also exchange heat with the entry air thereby
assisting with combustion preheat.