Viessmann Vitoligno 250-S Installation And Service Instructions For Contractors page 73

Specification
(cont.)
108
20
AGA
o
≥100 n
Fig. 56
AGA Flue gas connection
E Drain
KR Boiler return
KV Boiler flow
SA Safety connection for thermally activated safety
valve
SG Sight glass/transport hook
TS Temperature sensor for thermally activated
safety valve
Hopper door
A
Boiler module with high limit safety cut-out
B
Ash chamber door
C
b 45
c
SG
80
l
q 365
p
d 183
KR KV
E
g = =
≥800
Primary air damper with servomotor
D
Boiler circuit pump
E
Sockets for electrical connection
F
Valve of return temperature raising facility with
G
servomotor
Cleaning door, top
H
Flow temperature sensor (in boiler)
K
Flange for fitting the burner trolley, combustion
L
chamber maintenance cover (on both sides)
Return temperature sensor (in boiler)
M
Cleaning door, bottom
N
Motor, flue gas fan
O
Specification
SA
TS
h
73