Determining The Flue Length - IDEAL Henrad WH 30 FF Installation And Servicing Manual

7 PACKAGING AND CASING REMOVAL
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).
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DETERMINING THE FLUE LENGTH

It is MOST IMPORTANT that the boiler is installed
in a vertical position.
REAR FLUE
INSTALLATION
SIDE FLUE
INSTALLATION
Note.
Vertex and roof flue kits are available as optional
extras for vertical flue installation, supplied with
separate fitting instructions.
Henrad WH -
FF
Installation
INSTALLATION
Flue length
for rear
Flue length for side
Jacking screw for
boiler alignment
(a) Casing retaining
screws, 2 off
Packing base
Controls pod casing
FLUE KITS
Pack B1: supplied as standard.
Extn Duct Kit* : optional extension kit for side flue
or rear flue outlet. Refer to 'Flue Extension Ducts'
1. A maximum of 2 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.
Flue length mm Accessories
Up to 600 B1 Pack, 1 off
600 to 1550* B1 Pack 1 off + Extn Duct, 1 off 153930+153931
1550 to 2500* B1 Pack 1 off + Extn Duct, 2 off
2500 to 3000* B1 Pack 1 off + Extn Duct, 3 off
*
Not for 100 FF model
Product No.
153930
153930+
153931, 2 off
153930+
153931, 3 off
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