Checking The Scope Of Delivery; Selecting The Installation Site; Permissible Height Difference Between The Outdoor Unit And The Indoor Unit - Vaillant uniTOWER plus Operating Instructions Manual

A
B
4. Unscrew the four fixing tabs at the front and rear of the
pallet and remove them.
4.2

Checking the scope of delivery

▶
Check that the scope of delivery is complete and intact.
Quantity Designation
Product
1
1 Enclosed documentation
Bag with installation material
1
Single-phase 230 V main power supply cable
1
2
(3 x 6 mm )
Three-phase 400 V main power supply cable
1
(5 x 1.5 mm
cold water control pack: pressure reducing valve
1 3,5 bar, expansion relief valve 6 bar, manifold,
tundish
Set: Potable water expansion vessel 8 l, piping,
1
documentation
4.3

Selecting the installation site

▶
The installation site must be below 2000 metres above
sea level.
▶
Select a dry room that is frost-proof throughout and in
which the maximum installation height is not exceeded
and the environmental temperature is neither above nor
below the permitted range.
– Permissible environmental temperature: 7 to 35 ℃
–
Permissible relative air humidity: 40 to 75 %
▶
Ensure that the required minimum clearances can be
maintained.
▶
Observe the permissible height difference between the
outdoor unit and indoor unit (→ Section 4.4).
▶
When selecting the installation site, you must take into
consideration that, when the product is in operation, it
transfers vibrations to the floor and the nearby walls.
▶
Ensure that the floor is even and offers sufficient load-
bearing capacity to bear the weight of the product.
22
A
B
2
)
▶
Ensure that the pipes are routed appropriately.
4.4 Permissible height difference between the
outdoor unit and the indoor unit
In relation to the outdoor unit's installation site, the indoor
unit's installation site may be located higher or lower.
The permissible height difference depends on the unit type
of the outdoor unit:
4.4.1 Outdoor unit with unit type S or M
Unit type Product example
VWL 35/6 A 230V S2 to VWL 75/6 A
S, M
230V S2
The permissible height difference between the outdoor unit
and the indoor unit is limited to 15 m.
4.4.2 Outdoor unit with unit type L
Unit type Product example
VWL 105/6 A 230V S2 to VWL 125/6 A
L
S2
Observe the permissible height difference (→ Installation
instructions for the outdoor unit with unit type L)
Installation and maintenance instructions 0020291525_04