4
Set-up and installation
Installation and operating instructions
15
Gas Combi Unit
Floor-standing gas condensing boiler with integrated heat storage
008.1543899_02 – 04/2019 – EN
4
Set-up and installation
WARNING
Incorrectly erected and installed gas appliances may not
operate properly and are dangerous for the health and
safety of individuals.
▪ The GCU compact must only be set up and installed by
heating engineers authorised and trained by gas or en-
ergy supply companies.
Incorrect set-up and installation would render the manufacturer's
guarantee void. If you have questions, please contact our Technical
Customer Service.
4.1
Dimensions and connection
dimensions
Fig. 4-1
Installation dimensions for flue gas connection on the
rear (for values, see
)
A
Side view
B
Front view
C
Top view
Fig. 4-2
Installation dimensions for flue gas connection on the
side or upwards (for values, see
)
A
Side view
B
Front view
C
Top view
Dim.
GCU compact 3xx
GCU compact 5xx
h1
1380
h2
1895
h3
1745
1740
h
R
2095
r1
165
130
s1
440
370
s2
200
s3
300
s4
435
335
s
D
200
t
615
790
w
595
790
Tab. 4-1
Connection and installation dimensions of the GCU com-
pact in mm (based on
)
Summary of Contents for GCU compact Series
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