Burner - Riello
17
Burner Set-up (Riello)
(continued)
Wiring diagram (with Vitotronic control)
(continued)
Installations must follow these codes
and requirements:
- National Electrical Code, ANSI/NFPA
70, latest edition and any additional
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
M
1 2 3 4 5 6 7
L
12
8
N
11
10
9
Oil valve
Capacitor
AL 1009
Burner Fan-Off
Timer
BL
BL
BL
BK
BK
Y
W
BR
W
W
B
K
R
G
Y
W
B
L
BK
Air pressure
switch
R
R
NC
NO
G
L
1
T
1
T
2
N
S
3
B
4
BL
O
G
BRN
BL
W
W
O
BK
R
G
Riello burner sub-base
Factory
installed
jumper
R
G
W
B
K
B
L
O
41
1
2
41
1
2
2
Blue wire not used
in this application.
DO NOT cut or
remove closed end
connector from
the wire.
Power supply. Provide disconnect means
and overload protection as required.
Control case must be connected
to earth ground.
120 VAC receptacle
(field supplied)
120 VAC
power
supply
to boiler
Low water
cut-off
(if required)
(field supplied)
Main
ON / OFF
switch
(field supplied)
120 VAC
Power supply
installer must
provide 15A
overcurrent
protection
Legend
BL
Blue
BK
Black
O
Orange
W
White
G
Green / Ground
R
Red
GY
Gray
BR
Brown
Y
Yellow
Vitotronic Control
(Refer to corresponding Vitotronic Control manual)
G
L
1
T
1
T
2
N
S
3
B
4
X
Refer to Vitotronic
200 / 300 (KW2 / KW3)
manual for alternate
connection location of
LWCO.
Fig. 15
Ensure that the burner cycles ON and
OFF on proper call for heat before
leaving the job site. Failure to do so
may lead to boiler runaway situation,
which may lead to property damage,
personal injury or death.
WARNING
