General Information; About These Installation Instructions; Necessary Tools - Viessmann VITODENS 200-W Service Instructions Manual

General Information

About these Service Instructions
Take note of all symbols and notations intended to draw attention to potential hazards or important product
information. These include "WARNING", "CAUTION", and "IMPORTANT". See below.
WARNING
Indicates an imminently hazardous situation which,
if not avoided, could result in loss of life, serious injury
or substantial product/property damage.
CAUTION
Indicates an imminently hazardous situation which,
if not avoided, may result in minor injury or product/
property damage.
IMPORTANT


Necessary Tools

Testing/analysis equipment (Use only calibrated equipment)
H Multimeter to measure 0 - 120 V, 0 - 12A AC and
0-100 mA DC
H Flue gas analyzer to measure % CO
Bacharach fluid samplers or suitable electronic analyzer)
H Manometer to measure gas pressure 0 to 11 "w.c.
(accurately) and up to 28 "w.c. gas pressure (or a non-
electric Magnehelic® manometer may also be utilized)
H Stack thermometer 0 to 500°F (0 to 260°C)
H Bacharach calculator or suitable tables to calculate
efficiency
H Carbon monoxide measuring equipment 0 to 400 ppm
6
Warnings draw your attention to the presence of
 Cautions draw your attention to the presence of
 Helpful hints for installation, operation or maintenance
 This symbol indicates that additional, pertinent
 This symbol indicates that other instructions must
Cleaning supplies
H Plastic hand brush
H Rags
or O (i.e.
2 2
Special items
H Approved leak detection fluid for natural gas and
H Pipe joint sealant
Vitodens 200-W B2HA 112, 150 Service
potential hazards or important product information.
potential hazards or important product information.
which pertain to the product.
information is to be found.
be referenced.
liquid propane gas