110
5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Service
Air Pressure Switches
(continued)
Compensation lines (for CA3 3.5, 4.0, 5.0 and 6.0)
Replacement lines must be cut to length. See following table
for required length.
Line
7
in. (mm)
Burner model 1.5/2.0 MMBTU
Length in. (mm)
A
a
(6)
7 (200)
B
d
(4)
6/9 (150/230)
C
d
(4)
1
e
(35)
D
d
(4)
10
f
(270)
E
d
(4)
15/17 (380/430)
F
d
(4)
15/13
c
(380/350)
G
a
(6)
13
c
(350)
Compensation lines (for CA3 2.5 and 3.0)
Replacement lines must be cut to length. See following table
for required length.
Line
7
in. (mm)
Burner model 1.25/1.5 MMBTU
Length in. (mm)
1
a
(6)
8
f
(220)
2
a
(6)
1 (48)
3
a
(6)
2 (72)
4
d
(4)
8
a
(209)
5
a
(6)
19
a
(490)
6
d
(4)
12 (326)
7
d
(4)
11
(302)
8
a
(6)
10 (255)
9
a
(6)
21
(533)
Legend
A
Gas train
B
Air pressure switch 1
C
Air pressure switch 2
D
Solenoid valve
E
Venturi mixing pipe
F
Burner frame
G
Gas feed nozzles
