4 Installation
8 Installation and maintenance instructions HOME 0020224355_00
3.3 Functional elements: Combination unit
14
12
11
10
8
9
7
5
6
4
3
2
1
16
15
18 17
13
1 Electronics box
2 Heating circuit expan-
sion relief valve
3 Plate heat exchanger
4 Condensate siphon
5 Flue pipe
6 Pressure sensor
7 Flue gas analysis point
8 Ignition transformer
9 Gas valve
10 Air intake pipe
11 Ignition electrode
12 Fan
13 Primary heat exchanger
14 Heating expansion
vessel
15 Volume flow sensor
16 Heating pump
17 Bypass
18 3-way valve
3.4 CE label
The CE label shows that the products comply with the basic
requirements of the applicable directives as stated on the
identification plate.
The declaration of conformity can be viewed at the manufac-
turer's site.
4 Installation
4.1 Transporting the unit
Important: With regard to the regulations of 1992 concern-
ing the manual handling of loads, the unit exceeds the
weight that can be lifted by a single person.
4.1.1 General
▶ Hold the load as close as possible to your body. Avoid
rotational movements. Instead, reposition your feet.
▶ If the unit is being lifted by two persons, ensure your
movements are coordinated during lifting.
▶ Avoid bending your upper body – do not lean forwards or
to the side.
▶ Wear suitable non-slip protective gloves in order to pro-
tect your hands against sharp edges. Ensure that you are
carrying the load securely.
▶ If required, get somebody to assist you in this.
4.1.2 Unloading the box from the delivery van
▶ It is recommended that two people lift the unit together.
▶ Lift the box using the straps provided.
▶ Use safe lifting techniques – keep your back straight and
bend your legs at the knee.
▶ Hold the load as close as possible to your body.
▶ If the unit is being lifted by two persons, ensure your
movements are coordinated during lifting.
▶ If required, get somebody to assist you in this.
4.2 Unpacking the product
1. Remove the product from its box.
2. Remove the protective film from all of the product's
components.
4.3 Checking the scope of delivery
▶ Check that the scope of delivery is complete.
Quantity Description
1
Heat generator
1
Bag with accessories
– Bag with seals
– Condensate drain hose
– Drain spigot of the expansion relief valve
– Installation template
– Hanging bracket
– Bag containing the hydraulic connections
1 Enclosed documentation
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