Viessmann Vitodens 100-W, Vitodens 100-WB1A, 7826 213 Installation Instructions Manual

Installation Instructions

for use by heating contractor

Heating Return Connection Pipe,

for Vitodens 100-W, WB1A boilers

Part No. 7826 213

Safety and Installation Requirements

Please ensure that these instructions are read and understood before commencing installation. Failure to comply with the
instructions listed below can cause product/property damage, severe personal injury, and/or loss of life.

Please file in Service Binder

Working on the equipment

The installation, adjustment, service,
and maintenance of this product must
be done by a licensed professional
heating contractor who is qualified and
experienced in the installation, service,
and maintenance of hot water boilers.
There are no user serviceable parts on
the boiler, burner, or control.

Ensure main power supply to
equipment, the heating system, and all
external controls has been deactivated.
Close main gas supply valve. Take
precautions in both instances to avoid
accidental activation of power during
service work.

Ensure that the installation
literature of other applicable
components is referenced.

Removing Front Enclosure Panel

AC

D

1. Remove the screw at the top of
boiler .

2. Press down on springs at bottom
of boiler and remove the front
enclosure panel .

3. Drain heating water from boiler.

4. Flip control console down .

7826 213 v1.0 CA 11/2007

B

Installation

Burner Removal

E

B A

F C

D

1. Disconnect electrical cables from
gas valve , and ignition
transformer unit .

2. Remove connection hose from
air pressure switch.

3. Loosen the fitting on the gas
connection pipe.

4. Loosen four screws, remove
burner and disconnect all
electrical cables from blower
motor .

CAUTION

To avoid damage to the burner, do
not lay burner on its cylindrical
burner tube.
Failure to heed this caution may
cause damage to the burner tube,
which may lead to improper
operation.

2

7826 213 v1.0 CA