Viessmann Vitocrossal 200 CM2 186 Service Instruction page 7

Vitocrossal 200 CM2 186 to 311 Service
Important Regulatory and Installation Requirements
Instructing the system user
The installer of the system is responsible to ensure the
system operator/ultimate owner is made familiar with
the functioning of the system, its activation, and its
shut-down.
Initial start-up
Initial start-up must be performed by a qualified heating
contractor. Completion of the Maintenance Record by
the heating contractor is also required.
Working on the equipment
The installation, adjustment, service, and maintenance of
this equipment must be done by a licensed professional
heating contractor who is qualified and experienced in
the installation, service, and maintenance of hot water
heating systems. There are no user serviceable parts on
this equipment.
Ensure main power supply to equipment, the heating
system, and all external controls has been deactivated.
Close main gas supply valve. Take precautions in all
instances to avoid accidental activation of power during
service work.
Technical literature
Literature applicable to all aspects of the Vitocrossal 200,
CM2:
- Technical Data Manual
- Installation Instructions
- Service Instructions
- Operating Instructions
- Wiring diagrams
Additional applicable literature:
- Viessmann boiler controls manuals
(continued)
 T he following topics must be covered:
Proper system operation sequence. Explain the
equipment as well as the need for combustion air.
Demonstrate an emergency shut-down, what to
do and what not.
Explain that there is no substitute for proper
maintenance to help ensure safe operation.
 T he Maintenance Record is located on page 64 of
this manual.
 P lease carefully read this manual prior to attempting
start-up, maintenance or service. Any warranty is
null and void if these instructions are not followed.
For information regarding other Viessmann System
Technology componentry, please reference
documentation of the respective product.
Viessmann offers frequent installation and service
seminars to familiarize our partners with our products.
Please inquire.
 T he completeness and functionality of field supplied
electrical controls and components must be verified
by the heating contractor. These include low water
cut-offs, flow switches (if used), staging controls,
pumps, motorized valves, air vents, thermostats, etc.
 L eave all literature at the installation site and advise
the system operator/ultimate owner where the literature
can be found. Contact Viessmann for additional copies.
General Information
7