General Information; Equipment; Product Information - Viessmann Vitocrossal 200 CM2 400 Service Instructions Manual

General Information

Equipment

Tools
Assortment of flathead and Phillips screwdrivers

Pipe wrenches

Open-ended wrenches

Pipe sealant

Assortment of Hex keys

Flashlight

Approved leak detection fluid for natural gas and

propane gas
Cleaning supplies
Plastic hand brush

Cleaning/service brush

Vacuum cleaner

Clean rags

Testing/analysis equipment
(use only calibrated equipment)
Flue gas analyzer to measure % CO

(i.e. Bacharach fluid samplers or a suitable electronic
analyzer)
Multimeter to measure 0-120 VAC, 0-20 amps AC

and 0-100 microamps DC
Pressure gage to measure gas pressure 0 - 28 "w.c.

A non-electric MagnehelicR pressure gage (0 - 10 psig)
may also be used.
Carbon monoxide measuring equipment (0 - 400 ppm)

Bacharach calculator or suitable tables to calculate

efficiency
Stack thermometer dial settings range 0 to 250º F

(121º C)
d in. NPT male to ¼ in. barb adaptor fitting, as well

as tubing for pressure measurement

Product Information

High efficiency gas-fired hot water condensing boiler.
For operation with modulating boiler water temperatures
in closed loop, forced circulation hot water heating
systems.
The Vitocrossal 200, CM2 boilers are CSA certified with
Viessmann burners which must be used in conjunction
with this boiler series.
The proper burner size must be verified and the burner
is factory adjusted so that the maximum input of the
appropriate boiler size is always observed. The gas burner
must always be installed according to the instructions
provided by the burner manufacturer.
The boiler model selected should be based on an accurate
heat loss calculation of the building. The boiler selected
must be compatible with the connected radiation.
6
Vitocrossal 200, CM2 400, 500, 620 and 620 TX Service
Technical information
The following is a list of literature applicable to the
Vitocrossal 200, CM2 boiler:



For installation of the heating system, please refer also
to the technical literature of other System Technology
devices:



Replacement parts
For a complete listing of replacement components, please
see Parts List starting on page 59 of these instructions.
Order replacement components from your Viessmann
or O
2 2
distributor.
Use only original Viessmann recommended components
when replacing defective parts. Installation of incorrect
replacement parts can cause hazardous operation and
will void warranty.
The Vitocrossal 200 boiler is suitable for a maximum
operating pressure of 75 psig and a maximum boiler
water temperature of 210° F (99° C).
This boiler does not require a flow switch.
Exposing the boiler to pressures and temperatures in
excess of those listed will result in damages, and will
render warranty null and void.
Installation Instructions
Service Instructions
Operating Instructions
Installation Instructions for Viessmann boiler control
Installation Instructions for Viessmann indirect-fired
hot water storage tank(s)
Installation Instructions for burner and accessories
CAUTION
WARNING