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

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)

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.

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.

DO NOT overtighten the adaptor fittings.

IMPORTANT

Installing the extension fitttings B and

system connections D, E, F and G

to the CombiPLUS A.

Installation

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.).

Gasket

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.

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

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

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

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

Pump connection

Diverting valve

motor connection

Flow sensor connection

Water Temperature

sensor connection

To remove,

push to

unlock

5600 336 - 04

CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start Installation

Accessing the Boiler Controls

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.

5600 336 - 04

CombiPLUS Kit for Vitodens 100-W, WB1B Quick Start

Preparing the Boiler Power Pump Module

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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