Connecting The Combiplus Piping - Viessmann Vitodens 100-W WB1B Series Installation And Service Instructions Manual

Connections

Connecting the CombiPLUS Piping

N
1.
L or M
2. J
I
28
N
L or M
A
A
J
I
Vitodens 100-W, WB1B Installation & Service
Connecting the CombiPLUS A using the supplied piping,
adaptors and mounting hardware.
1. Install the adaptors N to the tees at the bottom
of the boiler. Install the flex pipes L or M to the
adaptors N.
Carefully form the flex pipes L or M to align
with the extension fittings on the top of the
CombiPLUS A.
Note:The flex pipes L or M must be bent due to
the offset in the fittings between the boiler and
the CombiPLUS.
The nominal length of the 7" flex pipe after
bending is 6b" ! a".
The nominal length of the 12" flex pipe after
bending is 10b" ! a".
Slide the CombiPLUS A up and install the flex
pipes L or M to the extension fittings of the
CombiPLUS A.
Note: L is a 7" pipe and M is a 12" pipe.
IMPORTANT
DO NOT overtighten the flex pipe fittings.
When connecting the flexible pipes do not overtighten
the hex nuts. This is a gasketed design and should be
hand tightened plus b turn with a wrench.
2. Tighten the two lag bolts located in the CombiPLUS
A mounting bracket slots.
Install the supplied washers J on to the
lag bolts I.
Install the lag bolts/washers through the upper
mounting holes of the CombiPLUS A mounting
bracket and into the wall anchors (if used) and
tighten.
Legend
A CombiPLUS
L 7" flex pipe (x2)
M 12" flex pipe (x2)
N c" Adaptor (x2)