Viessmann VITOCAL 151-A Installation And Service Instructions Manual page 35

Positioning the indoor unit
Pressure points
Ø d
b
Fig. 25
a 478 mm
b 478 mm
c 677 mm
d 64 mm
Relocating the ON/OFF switch
Depending on the installation situation, the ON/OFF
switch can be installed either on the right or the left
side of the indoor unit. The ON/OFF switch is factory-
fitted on the left side of the appliance.
2.
Fig. 26
(cont.)
Note
Observe the permissible floor load.
■
■ Level the appliance horizontally.
■ If the adjustable feet are used to compensate for an
uneven floor (max. 10 mm), distribute the pressure
load on the individual feet evenly.
The total weight of the indoor unit with filled DHW cyl-
inder and 1 heating/cooling circuit is 386 kg.
Each pressure point (each with an area of 3217 mm
is subject to a load of up to 96.5 kg.
Open the electrical wiring chamber of the HPMU. Dis-
connect the cable of the ON/OFF switch and remove.
See chapter "Electrical connection".
1. Remove the retainer with the ON/OFF switch. Pull
2. Insert and fit the retainer with the ON/OFF switch
1.
out the ON/OFF switch with its cable.
into the required opening. Reconnect the cable in
the HPMU wiring chamber and relieve strain.
Installation sequence
2
)
35