13
5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
*
CA3 boilers
2.5-3.0 3.5-6.0
Total height in.
(mm)
78
c
(1999)
84
(2136)
Height excluding upper panels, upper in.
frame elements, burners and piping (mm)
77
(1977)
77
c
(1975)
Positioning boiler
The boiler must be placed on a foundation.
A minimum height of 4 in. (100 mm) is required in order
to allow for the condensate siphon connection.
Preinstallation
Unpacking and Placement of Boiler
Unpacking boiler
1
.
Unscrew back panel.
2
.
The remaining packaging parts are screwed together.
Open the packaging parts in the following order:
Front panel
Top panel
Left side panel
Right side panel
3
.
Raise boiler from the packaging platform with a lift
truck or forklift.
It is essential to use appropriate lifting devices
certified of lifting to a minimum of the boiler
weight.
Lifting the boiler
1. There is a boiler lifting location for the forks of a lift
truck or forklift on the right and left side of the boiler.
2. There is a boiler lifting location for the forks of a lift
truck or forklift on the front of the boiler.
IMPORTANT
WARNING
If flue gas connection is damaged leakage may occur.
Do not lift boiler at the flue gas connection.
When lifting the boiler from the side ensure the forks of
the lift truck or forklift are centered. Refer to the crosshair
mark located on the side of the boiler.
Reducing Boiler Height
Reducing the overall height of the boiler during placement
The overall boiler height can be reduced for placement.
Panels, frame elements with piping and burners can be
dismantled for this purpose.
4
.
Remove burners. See page 96.
1. Release gas connection.
2. Disconnect electrical connections.
3. Dismantle electrodes.
4. Disconnect upper burner section and extract with
lifting mechanism.
Note:
A lifting mechanism that can be mounted to
the boiler frame is available as an accessory.
5
.
Dismantle upper frame profiles.
1
.
Dismantle panels.
Top panels
Upper side panels
Upper rear panel
2
.
Dismantle boiler supply header.
3
.
Dismantle upper frame profile.
Dismantle the upper panels and upper frame elements
with piping and burners
*
Height does not include the concrete pad or seismic
brackets.
CA3
Model
2.5
3.0
3.5
4.0
5.0
6.0
a in.
(mm)
74
c
(1900)
74
c
(1900)
82
f
(2100)
82
f
(2100)
114
d
(2900)
114
d
(2900)
b in.
(mm)
33
(860)
33
(860)
39
e
(1000)
39
e
(1000)
39
e
(1000)
39
e
(1000)
lb.
(kg)
4388
(1990)
4388
(1990)
4982
(2260)
5093
(2310)
6592
(2990)
7187
(3260)
Boiler weight
With seismic feet
(available for models 2.5 thru 6.0)
Boiler model
2.5
3.0
3.5
4.0
5.0
6.0
a in.
(mm)
85
a
(2165)
85
a
(2165)
94
(2388)
94
(2388)
125
(3175)
125
(3175)
b in.
(mm)
48
a
(1225)
48
a
(1225)
53
(1346)
53
(1346)
53
(1346)
53
(1346)
