ecoTEC plus 937 installation and maintenance manual22
4.8 Mounting the combination boiler
2
1
Fig. 4.4 Mounting the combi boiler on the shift load storage
tank
• Lift the combi boiler out of the packaging (see Section
3.4).
• Lift the combi boiler (2) onto the shift load storage
tank so that it is located slightly above the shift load
storage tank (1).
h
Note!
Lift the combi boiler at both sides of the base.
• Lower the combi boiler slowly onto the hanging
bracket on the shift load storage tank so that the
installation carrier on the rear of the combi boiler fully
engages in the hanging bracket on the shift load
storage tank.
4.9 Removing the front case
1
2
Fig. 4.5 Removing/fixing the front case
Proceed as follows to remove the front cladding:
• Release the screw (1) on the base of the unit.
• Push the two retaining clips (2) on the base of the unit
inwards until the front case releases.
• Hold the front case by the bottom edge, pull forwards
and remove the front case from the unit.
4.10 General instructions concerning the heating
system
a
Caution!
Clean the heating system thoroughly before
connecting the appliance!
This will remove small particles such as solder
residues, ash, hemp, putty, rust, dirt particles
and similar substances from the pipework.
Otherwise there is a danger that these particles
can deposit in the appliance and cause damage.
h
Note!
The heating system is fitted with an expansion
tank (10 l/0.75 bar).
• Before connecting the unit, make sure that this
volume is adequate. Otherwise the installation must be
fitted with an additional expansion vessel (see
Section 3.11.6).
4 Sequence of operations during installation
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