Burner Component Overview; Cm2 Pre-Mix Cylinder Burner 186/246/311 - Viessmann Vitocrossal 200 CM2 186 Service Instruction

Vitocrossal 200 CM2 186 to 311 Service

Burner Component Overview

CM2 pre-mix cylinder burner 186/246/311

Legend
A Boiler door
B Air pressure switch 1
C Fan
D Burner display and programming unit
E Gas valve with gas pressure switch
F Gas supply pipe
G Burner test firing valve
H Cylinder burner assembly
I Ignition electrodes
Note: Solenoid valve (choke valve) for CM2 model 186
(not shown).
J Ionization electrode
K Gas pipe
L AC-EMI suppression filter device
M Ignition unit
N Thermal insulation block
O Manual shut-off valve
P Venturi mixing pipe
Q Air pressure switch 2
R Burner control sub-base
S Servomotor and burner inlet damper (for models 246 / 311)
Burner Service
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