Technical information

Section 6.0
Control Overview—Burner Control Wiring Diagnosis
Connection of Boiler Control Wiring to Burner
General Overview
A Control Unit
B 2nd stage or modulating connection
C Hour counter connection
D Burner fault connection
E Basic control/burner circuit connections
F Burner
[40] Power supply connection of control 120VAC
[41] Burner, 1st Stage
[90] Burner, 2nd Stage/Modulation
[150] Plugs for external equipment
[151] Safety circuit. Emergency shut-off
BK Black
BN Brown
BU Blue
GNYE Green/Yellow
F6 Fixed High Limit
S1 Power Switch
F2 Fuse 2
TR Adjustable High Limit
K1 Call for heat relay
Section 6
5346540 v1.0 09/2006 Technical information subject to change without notice
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