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5600 336 - 04 

CombiPLUS Kit for Vitodens 100-W, WB1B  Quick Start 

Installation

Connecting the CombiPLUS  

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 

to the adaptors 

N

.

 

Carefully form the flex pipes 

to align  

 

with the extension fittings on the top of 

 

the CombiPLUS  

A

.

 

Note:

The flex pipes 

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 6

b

” 



a

”.

 

Slide the CombiPLUS  

up and install 

 

the flex pipes 

to the extension fittings  

 

of the CombiPLUS 

A

.

2

 Tighten the two lag bolts located in the

  

CombiPLUS  

mounting bracket slots.

 

Install the supplied washers 

on to the  

  

lag bolts 

I

.

 

Install the lag bolts/washers through the

  

upper mounting holes of the CombiPLUS  

 

mounting bracket and into the wall  

 

anchors (if used) and tighten.

Connecting the CombiPLUS Piping

1

N

A

N

2

I

J

A

I

J

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

Summary of Contents for CombiPLUS Kit

Page 1: ...B 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 ...

Page 2: ...itting x2 C Locking clip x2 D Heating circuit gasket x2 E DHW gasket x2 F c Heating circuit adaptor x2 G b DHW adaptor x2 H Flow restrictor WB1B 26 only I Lag bolt x4 J a plain washer x4 K Anchor x4 L 7 flex pipe x2 N c Adaptor x2 O c tee P c PRV 150 psi Q Control 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 ...

Page 3: ...ion procedures 1 Align 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 2 Hang the boiler on the installed wall mounting bracket 3 Install supplied boiler fittings as shown 3 1 2 mm ...

Page 4: ...cked 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...

Page 5: ...ht 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 2 Install 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 3 Reinstall the flow tube cap en...

Page 6: ...ust the template to the boiler in this position when connecting the 7 flex piping 2 Drill 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 3 Install the supplied anchors K into the wall if required 4 Install the supplied washers J on to the lag bolts I Install the lag bolts washers into the wall ...

Page 7: ...al 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 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 an...

Page 8: ...e control cable Q through 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 2 Connect the electrical connectors in the CombiPLUS A as shown Installation 1 2 A Q R A A Pump connection Diverting valve motor connection Flow sensor connection ...

Page 9: ... 1 Loosen 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 2 Release and hold the boiler control locks located on both sides of the boiler and rotate forward and down 3 Release the four captive screws on the power pump module cover by rotating them 90 degrees with a Phillips screw driver Set the cover...

Page 10: ...ule and discard 2 Remove 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 3 Remove 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 p...

Page 11: ...er pump line of terminal block X3 as shown Connect the green yellow ground wire to terminal block X2 any open terminal 3 The control cable Q has two connectors Connect the DHW temperature sensor flow sensor five pin connector to terminal plugin X7 Connect the diverter valve six pin connector to terminal plugin X10 Note For additional wiring details see the wiring diagram 4 Install the supplied anc...

Page 12: ...90 degrees with a Phillips screw driver 2 Rotate the boiler controls up and in Ensure that the locking clips are engaged 3 Install the boiler cover by inserting it straight on from the front 4 Tighten the boiler housing captive screws located at the bottom front of the boiler 5 Install the CombiPLUS A cover by inserting it straight on from the front 6 Using a Phillips screw driver install and tigh...

Page 13: ... codes require a different relief valve substitute the valve supplied by the manufacturer The heat exchanger is approved for a max operating pressure of 150 psig The DHW pressure relief valve must be installed in vertical position in the domestic hot water supply as close to the CombiPLUS heat exchanger as possible Drain pipe of same diameter as valve outlet must be routed to safe place of disposa...

Page 14: ...r central position SERV will appear on the screen Note If one or both of the rotary selector dials are already in the central position take it or them out of the central position and then simultaneously turn both rotary selectors back to the central position 3 Turn the rotary selector fully to the right will appear on the display 4 Adjust the control by turning the rotary selector tr The display s...

Page 15: ...15 5600 336 04 CombiPLUS Kit for Vitodens 100 W WB1B Quick Start Wiring Diagram Electrical ...

Page 16: ...CombiPLUS Kit for Vitodens 100 W WB1B Quick Start 5600 336 04 Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper ...

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