IDEAL HE15 Installation And Servicing page 19

19 DETERMINING THE FLUE LENGTH AND FLUE PACKS REQUIRED
IMPORTANT. The boiler MUST be installed in
a vertical position
Dimension X - Wall thickness.
Dimension L - Wall thickness plus boiler spacing.
FLUE KITS
Pack B - supplied as standard
Finishing Kit - supplied as an optional extra
Pack D - optional extension kit for side flue or rear flue outlet.
Refer to 'Flue Extension Ducts'.
Note. MAXIMUM FLUE LENGTHS:
HE15, 18 AND 24 - 6M (HORIZONTAL FLUE)
HE30 AND 36 - 3M (HORIZONTAL FLUE)
HE15, 18 AND 24 - 8M (VERTICAL FLUE)
HE 30 AND 36 - 5M (VERTICAL FLUE)
90 ELBOW KIT (EQUIVALENT FLUE LENGTH RESISTANCE = 1M)
O
45 ELBOW KIT (EQUIVALENT FLUE LENGTH RESISTANCE = 0.75M)
O
225mm 225mm
20 FLUE ASSEMBLY - Exploded View
An optional flue duct extension kit is required
for wall thicknesses greater than :
Side 545mm
Rear 705mm
LEGEND
1. Duct assembly
2. Flue turret
3. Turret fixing screws
4. Flue connector
5. Flue connector screws
6. Turret gasket
7. Foam sealing tape
mexico HE -
Installation & Servicing
INSTALLATION
Side flue
length L
(21 1 / ")
2
(27 3 / ")
4
Flue Outlet
Total Flue length dimension
Rear flue
dim. X+75
Up to 775 mm
Up to 1680 mm
Up to 2585 mm
Up to 3490 mm
Up to 4395 mm
Up to 5300 mm
Up to 6000 mm
Note. The flue duct MUST be inclined at 1.5
degrees to the horizontal to allow condensate to
drain back into the boiler and out through the
condensate drain. (Only necessary if using one or
more 'D' extension duct packs)
75 mm
2
3
6
Side flue Extra packs
dim. L+225 required
Up to 775 mm
Up to 1680 mm Pack D - 1 off
Up to 2585 mm Pack D - 2 off
Up to 3490 mm Pack D - 3 off
Up to 4395 mm Pack D - 4 off
Up to 5300 mm Pack D - 5 off
Up to 6000 mm Pack D - 6 off
Boiler pushed
back to the wall
Rear flue
length X
7
4
5
Rear flue arrangement shown
Flue
none
1
19