![Viessmann D2RA Installation Instructions For Contractors Download Page 27](http://html.mh-extra.com/html/viessmann/d2ra/d2ra_installation-instructions-for-contractors_1016875027.webp)
27
Routing flexible cables to the wiring chamber of the Vitotronic control unit
Cables:
■
Required cable length inside the appliance plus dis-
tance to wall:
1400 mm
■
Height of wall outlet:
1160 mm
C
B
< 42 V
230 V~
1x
2x
< 42 V
230 V~
D
A
Fig. 17
A
LON communication module
B
Main PCB
C
Internal extension (accessories)
D
Cable grommet for power cable
Remove the existing cable grommet when using
cables with a larger cross-section (up to
7
14 mm). Secure the cable with fitted cable
grommet
D
(white).
Installation sequence
Electrical connections
(cont.)
5678 044 GB
Installation
Summary of Contents for D2RA
Page 113: ...113 Maintenance Checking the Vitotronic 200 H accessories cont 5678 044 GB Maintenance ...
Page 133: ...133 Parts lists Sorption module hydraulics cont 5678 044 GB Components ...
Page 136: ...136 0001 0002 0003 0004 0005 Fig 83 Parts lists Miscellaneous 5678 044 GB Components ...
Page 163: ...163 5678 044 GB ...