Connections
9
Burner Set-up (Beckett)
(continued)
Electrical connections (with Vitotronic control)
(continued)
Burner wiring harness (supplied)
Fig. 7
Legend
BL
Blue
O
Orange
BK
Black
W
White
G
Green / Ground
R
Red
*
If Beckett burner is being installed,
cut this length to 6” for connection
to burner junction box (located
under the burner primary control).
Installations must follow these codes
and requirements:
- National Electrical Code, ANSI/NFPA
70, latest edition and any addtional
national, state or local codes.
- In Canada, CSA C22.1 Canadian
Electrical Code Part 1 and any local
codes.
- Wiring must be N.E.C. Class 1. If
original wire as supplied with boiler
must be replaced, type 105°C wire
or equivalent must be used. Supply
wiring to boiler and additional control
wiring must be 14 ga. or heavier.
- Provide electrical ground at boiler as
required by codes.
5
3
5
1
0
5
0
v
2
.5
Electric shock hazard. Can cause
severe personal injury or loss of life if
power source, including service
switch on boiler, is not disconnected
before installing or servicing.
WARNING
Jumper
RED
Viessmann #41-plug
control connection
BL
O
BK
W
G
R
B4
S3
T2
T1
N
G
L1
18” *
B
lu
e
Closed end connectors are factory installed on
RED, ORANGE and BLUE wires. These RED,
ORANGE and BLUE wires may or may not be
used in your burner application. See wiring
diagram in this manual which is specific to your
burner application. Do not remove or cut any of
the closed end connectors of the RED, ORANGE
or BLUE wires, unless it is necessary to do so.
RED wire is live (120VAC) at all times. Do not
remove or cut its closed end connector unless it
is necessary to do so. Failure to heed the above
instructions may cause severe personal injury or
loss of life.
