Viessmann CombiPLUS Kit Fiche technique
Installation
Quick Start Guide
5600 336 - 04 07/2015
for use with Installation Instructions
CombiPLUS Kit
Optional on demand hot water for Vitodens 100-W, WB1B series boilers
This Installation Quick Start Guide is not
intended to replace the actual Installation
Instructions for the Vitodens 100-W, WB1B
Series Boilers and the CombiPLUS Kit.
For complete instructions follow the Installation
Instructions that are included with the boiler.
Vitodens 100-W, WB1B with CombiPLUS Kit installed.
Please file in Service Binder
2
5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start
Component Legend
Parts
Shown are the components that are
included with the CombiPLUS Kit.
Legend
ACombiPLUS
BExtension fitting (x2)
CLocking clip (x2)
DHeating circuit gasket (x2)
EDHW gasket (x2)
Fc” Heating circuit adaptor (x2)
Gb” DHW adaptor (x2)
HFlow restrictor (WB1B-26 only)
ILag bolt (x4)
Ja” plain washer (x4)
KAnchor (x4)
L7” flex pipe (x2)
Nc” Adaptor (x2)
Oc” tee
Pc” PRV, 150 psi
QControl cable
R Pump cable
S Scald danger label
T CombiPLUS mounting template
U Conduit Clip (x2)
V #10 Anchor (x2)
W #10 Wood Screw (x2)
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5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start
Mounting the boiler
Installation
Refer to the Vitodens 100-W, WB1B Installation
Instructions for more detailed boiler installation
procedures.
1Align and mark the wall mounting bracket
using the supplied boiler mounting template.
Install the mounting bracket to the wall
and ensure the bracket is level. Use the
supplied lag bolts and anchors (if required)
and ensure the bracket is securely fastened
to the wall.
2Hang the boiler on the installed wall
mounting bracket.
3Install supplied boiler fittings as shown.
3
1
2
mm
4
5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start
CombiPLUS Preparations for all Vitodens
1Using a Phillips screw driver,
remove all four screws holding the
CombiPLUS A cover and set aside.
2Remove the cover by pulling straight
out from the CombiPLUS A and
set aside.
3Lubricate both extension fitting B
O-rings with supplied lubricant and
install each O-ring to the lower
portion of the extension fittings B.
Insert each of the extension fittings
Bon a slight angle through the
rubber grommets and into the main
supply/return connections of the
CombiPLUS A. Ensure that the
extension fittings B are fully seated.
4Insert a locking clip Cinto the lower
portion of each extension fitting B.
Note: Pull up on each extension fitting
B to ensure that they are locked
in place.
See page 13 for water flow
directions in piping and fittings.
Note: Use a two-hand wrench method
when tightening fittings or piping
onto the boiler and CombiPLUS
connectors. Use one wrench to
prevent the boiler and CombiPLUS
pipes from twisting and the second
wrench to tighten the fitting or
piping. Failure to support the boiler
or CombiPLUS connections could
damage the boiler and/or the
CombiPLUS internal piping.
5Insert heating circuit gaskets D
into the female end of each heating
circuit adaptor E. Install the
assembled heating circuit adaptors E
to the system water supply/return
connections on the CombiPLUS A.
6Insert DHW gaskets F into the
female end of each DHW adaptor G.
Install the assembled DHW adaptors
Gto the DHW/DCW connections on
the CombiPLUS A.
1
2
3
4
B
C
B
C
A
DO NOT overtighten the adaptor fittings.
IMPORTANT
5
6
GE
DF
G
E
DF
A
Installing the extension fitttings B and
system connections D, E, F and G
to the CombiPLUS A.
Installation
5
5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start Installation
Additional CombiPLUS Preparations for Vitodens 100-W, WB1B-26 only
The CombiPLUS A flow restrictor must be
exchanged when used with the Vitodens 100-W,
WB1B-26.
1Remove the two 4 mm hex head cap
screws from the flow tube cap and set
aside.
Gently remove the flow tube cap by pulling
straight up (ensure not to damage the
gasket) and set aside.
Remove the factory installed (14L/min)
flow restrictor (a small flat screw driver
maybe required to unseat the restrictor)
and discard.
2Install the new flow restrictor H(for
the WB1B-26 model only) supplied with
the installation fittings.
Color Specification:
WB1B-26, black on white, 10L/min.
WB1B-35, brown on white, 14L/min.
3Reinstall the flow tube cap (ensure not
to pinch or damage the gasket).
4Reinstall the two 4 mm hex head cap
screws securing the flow tube cap.
Torque screws to 4.5 Nm (40 lb.in.).
2
1
3
4
A
A
H
Gasket
6
5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start
Mounting the CombiPLUS
Prepare the wall and mount the CombiPLUS A
using the supplied template and mounting hardware.
1Pull the bottom of the boiler away from the wall
approximately 1/2” (12 mm) and slide the top of the
CombiPLUS mounting template Tbetween the wall
and the boiler. Release the boiler and allow the weight
of the boiler to hold the template in place.
The top outline on the template shows the lower
imprint of the boiler (shown in dotted lines). Adjust
the template to the boiler in this position when
connecting the 12” flex piping.
The second outline on the template shows the lower
imprint of the boiler (shown in solid lines). Adjust the
template to the boiler in this position when connecting
the 7” flex piping.
2Drill a hole through the top mounting hole as shown
on the template (x2). Drill a hole in the centre of the
slot as shown on the template (x2).
Remove the template.
3Install the supplied anchors K into the wall (if
required).
4Install the supplied washers J on to the lag bolts I.
Install the lag bolts/washers into the wall anchors
(if used) and through the slots of the CombiPLUS A.
Note: Leave the lag bolts loose enough to allow
up and down adjustments in the slot.
Note: Refer to the installation Instructions for
additional mounting options.
1
2
3
4
A
IJ
K
K
IJ
T
Shown is the maximum distance between the boiler
and CombiPLUS using field supplied fittings and pipes.
Note: The maximum distance between the boiler and the
CombiPLUS is restricted by the communication
cable to 36” (915 mm).
CombiPLUS installation options
Installation
7
5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start Installation
Connecting the CombiPLUS A using the
supplied piping, adaptors and mounting
hardware.
1Install the adaptors Nto the tees at the
bottom of the boiler.
Install the flex pipes L to the adaptors N.
Carefully form the flex pipes L to align
with the extension fittings on the top of
the CombiPLUS A.
Note:The flex pipes L must be bent due
to offset in the fittings between the
boiler and the CombiPLUS.
The nominal length of the 7” flex pipe
after bending is 6b” a”.
Slide the CombiPLUS A up and install
the flex pipes L to the extension fittings
of the CombiPLUS A.
2Tighten 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.
Connecting the CombiPLUS Piping
1
N
L
A
N
L
2
IJ
A
IJ
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.
IMPORTANT
8
5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start
Connecting the CombiPLUS Wiring
Connecting the CombiPLUS A wiring using
the supplied control and pump cables.
1Remove both standard knock-outs from the
rear right side of the CombiPLUS A.
Route the control cable Qthrough one
knock-out and the pump cable R through
the other.
Note: There are optional knock-outs on the
front left side of the CombiPLUS A
(if required).
Secure the cables inside the CombiPLUS A
using the locknuts provided.
2Connect the electrical connectors in the
CombiPLUS A as shown.
Installation
1
2
A
Q
R
AA
Pump connection
Diverting valve
motor connection
Flow sensor connection
Water Temperature
sensor connection
To remove,
push to
unlock
9
5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start Installation
Accessing the Boiler Controls
1
2
3
Removing the boiler and power pump module
covers to provide access to the power pump
module.
1Loosen the boiler housing captive screws
(located at the bottom front of the boiler).
Remove the cover by pulling straight out
from the boiler and set aside.
2Release and hold the boiler control locks
(located on both sides of the boiler) and
rotate forward and down.
3Release the four captive screws on the
power pump module cover by rotating them
90 degrees with a Phillips screw driver.
Set the cover aside.
10
5600 336 - 04
CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start
Preparing the Boiler Power Pump Module
1
2
3
Jumper pin
Jumper pin
Hole plug
Jumper cable
Hole plug
Preparing the power pump module for connection
to the CombiPLUS wiring.
When handling static sensitive
components, avoid damage
caused by static discharge
by following Electro-Static
Discharge safety procedures.
1Remove the jumper pin from terminal X8
of the power pump module and discard.
2Remove the jumper cable from terminal
block X4 (terminals 3 & 4, room thermostat
connection) of the power pump module and
discard (for room thermostat connection
only).
3Remove the second and fourth hole plug
from the base of the power pump module
and discard.
Note: Once the CombiPLUS is installed and the
jumper pin is removed, if not programmed
for use with the CombiPLUS, the boiler will
provide DHW heating based on the built-in
resistors (DHW input connections of the
power pump module). If the jumper pin
is not removed the boiler will not provide
on demand hot water via the CombiPLUS.
For programming see page 14.
Installation
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