Wiring Harness Connection To Honeywell High Limit And Riello Burner Subbase (With Aquastat Control) - Viessmann VITOROND 100 Installation And Service Instructions Manual

Burner
Burner Set-up (Riello)

Wiring harness connection to Honeywell high limit and Riello burner subbase (with Aquastat control)

WARNING
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.
Fig. 46
Legend
Burner motor
Capacitor
R Red
BK Black
BL Blue
BR Brown
G Green / Ground
W White
48
(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.
G
B1 BK
C1
W
B2
C2
Red wire not
L2
used in this
L1
application
R
Room thermostat
- 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.
G
BK
W
BL
BK
W BL
R
Riello Riello factory-wired
burner base sub-base
IMPORTANT
Red wire not used in this application.
Use wire nuts to cap both ends (inside
high limit control and Riello burner sub
base)
W
W
BK
BR