Classic FF 340 - 360 LF -
Installation & Servicing
13
INSTALLATION
Clas 1770
Jacking screw for boiler alignment
Flue length
2.5 Min
4.5 Max
Flue length
2.5 Min
4.5 Max
Rear flue installation
Side flue installation
1. Unpack the boiler.
2. Remove the casing as follows and place to one side to
avoid damage.
a. Undo the 2 casing retaining screws (a) retaining the
casing to the back panel.
b. Swing the bottom of the boiler casing up until the
controls pod casing has cleared the controls then
unhook the top from the back panel.
3. Remove the boiler from its packaging base. The boiler may
now be stood upright on its controls support protection
frame to ease handling and installation.
4. Unpack the boiler terminal box and, if applicable, the
extension flue box(es).
9
PACKAGING AND CASING REMOVAL
FLUE KITS
Pack B: supplied as standard.
Pack D*: optional extension kit for side flue
or rear flue outlet. Refer to Frame 34 'Flue
Extension Ducts'
1. A maximum of 5 extension ducts (plus
the standard flue duct) may be used
together.
2. Flue extensions of greater than 1m (39")
should be supported with the bracket
provided. If the stand-off brackets have
been used it is necessary, in order to
keep the flue aligned, to use the spacer
bracket with the support bracket.
It is MOST IMPORTANT that the boiler is installed
in a vertical position.
(a) Casing retaining
screws, 2 off
Packing base
Controls pod casing
10 DETERMINING THE FLUE LENGTH
Flue length mm
Accessories
Product No.
2500 to 3450
B Pack 1 off + D Pack, 3 off
153883, 3 off
3450 to 4400
B Pack 1 off + D Pack, 4 off
153883, 4 off
4400 to 4500
B Pack 1 off + D Pack, 5 off
153883, 5 off
INST
ALLA
TION
Summary of Contents for Classic FF 340 LF
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