IDEAL imax W45, Installation And Servicing Manual

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12 -
Installation & Servicing
INSTALLATION
10 VENTILATION
9 MOUNTING THE BOILER
The ventilation requirements of these boilers is dependant
on the type of flue system used, and their heat input. All
vents must be permanent with no means of closing, and
positioned to avoid accidental obstruction by blocking or
flooding.
W45, W60, W45P and W60P
Detail reference should be made to BS. 5440 Pt. 2. In IE
refer to the current edition of I.S. 813.
The following notes are for general guidance only:
If installed as a room sealed appliance in a room or internal
space, then no purpose provided ventilation is required.
If installed as an open flued appliance in a room or internal
space then a permanent air vent is required. The sizes
given below are for vents directly communicating with
outside air. For other situations refer to BS. 5440 Pt. 2. In IE
refer to the current edition of I.S. 813.
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• Due care should be taken when lifting the boilers,
with respect to their weights, see below.
W45 = 87kg
W60 = 88kg
W80 = 101kg
• Lift the boiler onto the wall mounting plate as shown.
Note: It is not necessary to hold the boiler at an angle
to engage the wall mounting plate.
• Using the remaining coach screw, secure the bottom
of the boiler to the wall through the attached bracket.
Boiler Size W45 & W45P W60 & W60P
Minimum vent free 190 265
area (cm
2
)
If installed in a compartment, then permanent air vents are
required at high and low level. These vents may
communicate direct to outside air, or to a room/internal
space. If to a room/internal space, it must itself be
adequately ventilated as above.
W80, W80P and multiple boiler installations
Detail reference should be made to BS. 6644 for inputs
between 60kW and 2MW. In IE refer to the current edition of
I.S.820. The following notes are for general guidance only:
If ventilation is to be provided by means of permanent high
and low vents communicating direct with outside air, then
reference can be made to the sizes below. For other
ventilation options refer to BS. 6644. In IE refer to the current
edition of I.S.820.
Total input Position Air vent areas (air
rating of boilers vents direct from outside)
Up to 2 MW HIGH LEVEL 270cm
2
plus
2.25cm 2 per kW
in excess of 60 kW
total rated input
Up to 2 MW LOW LEVEL 540cm 2 plus
4.5 cm 2 per kW
in excess of 60 kW
total rated input
W80 and W80P
450
900
225
450
High Level
Low Level
W45/W45P
To room or internal
space
To room or internal
space
450
450
225
225
Open-flued Roomsealed
Minimum vent free
area (cm
2 )
positioned at:
W45, W60, W45P and W60P
Direct to outside air Direct to outside air
W60/W60P W45/W45P W60/W60P W45/W45P W60/W60P W45/W45P W60/W60P
300
300
600
1200
300
600
600
600
INST
ALLA
TION